Posts by Category

VMware

Managing VIO with viocli

5 minute read

VIO 2.0 comes with several command line utilities, in a previous post I showed the usage of viopatch to perform patching of an existing VIO installation. In ...

How to enable Ceilometer in VIO 2.0

3 minute read

Ceilometer is the main telemetry and metering project within OpenStack Telemetry, the goal of Ceilometer is to collect all the data generated by the differen...

Quick tip - Troubleshooting networkd

less than 1 minute read

To troubleshoot networkd in case of failure we can enable debug mode using the following procedure, this is applicable to Photon OS or any other linux system...

Network configuration in Photon OS

2 minute read

Photon instances are usually meant to be configured automatically with Cloud-config, this includes hostname, network settings, additional packages, etc. Howe...

Python script to reconfigure an ESXi for HA

1 minute read

If you have following my blog for some time you may remember a post from 2011 where I wrote about the procedure perform a Reconfigure for HA operation in an ...

You can run Cockpit in Photon OS

1 minute read

I have written in the past about using Cockpit with Fedora and CentOS 7 here and here. Today playing with one of my Lightwave instances I discovered that Coc...

VMware Lightwave multi-node domain setup

3 minute read

VMware Lightwave is an identity and management access service for Cloud-Native apps. It was released to the community last year and the source code can be ac...

Upgrading VMware Integrated OpenStack

3 minute read

In a previous article I showed the process to patch an existing VIO 1.0 installation, which as you were able to see it is a clean and easy process. VMware an...

How to patch your VIO environment

1 minute read

VMware has released the first patch for VMware Integrated OpenStack. This patch release comes with improvements around the installer, Keystone service and fi...

How to setup ESXi for NSX

4 minute read

In the series of posts about OpenStack and KVM we saw how to add a KVM node to NSX for multi-hypervisor environments as a transport node. In this post we wil...

Taking Chargeback API for a ride - Part 2

9 minute read

In the first post of the series we discussed Chargeback API basics and how to interact with it using Firefox REST Client. In this second and final post we wi...

Some vCenter Chargeback Manager tips

less than 1 minute read

After the previous article about SSL certificate generation in Chargeback I decided that it was worth to write a couple more tips in a second blog post. This...

Linux Kernel 3.7 and VMware Tools issue

1 minute read

I got aware of this issue last week after installing a Fedora 18 virtual machine on Fusion 5. The installation of the Tools went as expected but when the ins...

VMworld 2012 - Day -1

2 minute read

This year I finally manage to go to VMworld. It’s been held in the beautiful Barcelona, just a few hundred kilometers from Madrid, and now that the event is ...

VMworld 2012 Europe… I’ll be there

less than 1 minute read

Yes, this year I managed to get myself to the European edition of VMworld. I’m really excited about it, and the best is that I’ll be lucky enough to have spa...

VCSA 5.1– Deployment and upgrade

5 minute read

In the last post we discussed about the new features and changes that comes with version 5.1 of the VMware vCenter Server Appliance. In this new one I will e...

VCSA 5.1– A quick look

1 minute read

Yesterday was a very exciting day, VMware finally announced the new vCloud Suite 5.1. With new products and features announced, each one of them as great as ...

Change ESXi 5 iSCSI iqn with esxcli

less than 1 minute read

After my previous post about getting the iqn of an ESXi using esxcli Andy Banta (@andybanta) commented on Twitter that you can also change the iqn of the hos...

How to get iSCSI iqn using esxcli in ESXi 5

less than 1 minute read

Back in 2010 I wrote a post about how to get the iSCSI iqn of an ESXi 4.x server using vSphere CLI from the vMA or any other system with vCLI installed on it.

VMworld 2012, it’s time to vote

1 minute read

I know that I owe you an apology, it’s been more than a month since my last post but you know how is to join a new company. I had some of the more amazing we...

vExpert 2012, one more time :-)

less than 1 minute read

When I got home after a morning playing airsoft with some friends I found on my twitter stream a very nice surprise. My friend Josep Ros (@josepros) was con...

How to upgrade the vMA 5

2 minute read

Last week vSphere 5 Update 1 was released by VMware, along with the main products some of the SDKs and automation tools were also updated, including the vMA ...

More HP sauce on ESXi 5.0

2 minute read

On my first post about HP ESXi 5.0 customized image I discussed about the new esxcli namespaces added by HP. But those tools aren’t the only ones included.

Change ESXi 5.0 hostname with esxcli

2 minute read

Yes another post about esxcli, what can I say I’m studying very hard for my VCP5 and from time to time this kind of unknown information, at least for me, ari...

List packages installed in ESXi 4.1 and 5.0

4 minute read

Today a co-worker has asked me how to list the packages installed in an ESXi 4.1 Update 1 server, in the ESX COS we had the RedHat rpm command but in ESXi th...

vMA 5 rejects SSH connections

less than 1 minute read

If you deploy vMA 5.0 within your virtual infrastructure will find the first time you try to access it by SSH that the appliance is continuously rejecting yo...

DNS configuration with esxcli

less than 1 minute read

With release of ESXi 5.0 the esxcli command has been also vastly improved. One of this new capabilities is the possibility to manage the DNS configuration of...

A first look into the vMA 5

3 minute read

Like the rest of components of vSphere the vMA, vSphere Management Appliance, has been updated to the new version. In this post I will discuss the changes an...

List ARP table entries of an ESXi

less than 1 minute read

Like we found before for netstat there is no arp command available from within ESXi Tech Support Mode, so how can you list the ARP table entries if you need ...

How to get the network connections of an ESXi

less than 1 minute read

We are going to suppose that you are trying to troubleshoot your ESXi network problems and as an experienced sysadmin one of the first things to do is gettin...

Retrieving ESX(i) hardware info with PowerCLI

less than 1 minute read

We all know how to look for the basic hardware info of an ESX(i) server, just open the vSphere Client go to Summary tab and you will presented with the famil...

Install ESXi from the Onboard Administrator

1 minute read

Installing an ESXi server, or any other operative system, using the c-Class Blade Enclosure Onboard Administrator and the server ILO is a very easy and strai...

Change vSphere PowerCLI proxy settings

1 minute read

Today I was performing a test in the vSphere cluster I have in my laptop and when I tried to connect to my vCenter Server with PowerCLI I got the following e...

HP P4000: Setup a two-node cluster

1 minute read

This post will outline the necessary steps to create a standard (no-multisite) HP P4000 cluster with two nodes. Creating a two-node cluster is a very similar...

HP resources for VMware

11 minute read

The reason for this post is trying to be a single point of reference for HP related VMware resources.

Enabling vSphere Web Access

1 minute read

If you are in the virtualization business you’ll probably know that since the release of vSphere back in 2009 the web access the ESX servers has been disable...

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Virtualization

Python script to reconfigure an ESXi for HA

1 minute read

If you have following my blog for some time you may remember a post from 2011 where I wrote about the procedure perform a Reconfigure for HA operation in an ...

Taking Chargeback API for a ride - Part 2

9 minute read

In the first post of the series we discussed Chargeback API basics and how to interact with it using Firefox REST Client. In this second and final post we wi...

Some vCenter Chargeback Manager tips

less than 1 minute read

After the previous article about SSL certificate generation in Chargeback I decided that it was worth to write a couple more tips in a second blog post. This...

Linux Kernel 3.7 and VMware Tools issue

1 minute read

I got aware of this issue last week after installing a Fedora 18 virtual machine on Fusion 5. The installation of the Tools went as expected but when the ins...

VCSA 5.1– Deployment and upgrade

5 minute read

In the last post we discussed about the new features and changes that comes with version 5.1 of the VMware vCenter Server Appliance. In this new one I will e...

VCSA 5.1– A quick look

1 minute read

Yesterday was a very exciting day, VMware finally announced the new vCloud Suite 5.1. With new products and features announced, each one of them as great as ...

Change ESXi 5 iSCSI iqn with esxcli

less than 1 minute read

After my previous post about getting the iqn of an ESXi using esxcli Andy Banta (@andybanta) commented on Twitter that you can also change the iqn of the hos...

How to get iSCSI iqn using esxcli in ESXi 5

less than 1 minute read

Back in 2010 I wrote a post about how to get the iSCSI iqn of an ESXi 4.x server using vSphere CLI from the vMA or any other system with vCLI installed on it.

VMworld 2012, it’s time to vote

1 minute read

I know that I owe you an apology, it’s been more than a month since my last post but you know how is to join a new company. I had some of the more amazing we...

vExpert 2012, one more time :-)

less than 1 minute read

When I got home after a morning playing airsoft with some friends I found on my twitter stream a very nice surprise. My friend Josep Ros (@josepros) was con...

How to upgrade the vMA 5

2 minute read

Last week vSphere 5 Update 1 was released by VMware, along with the main products some of the SDKs and automation tools were also updated, including the vMA ...

More HP sauce on ESXi 5.0

2 minute read

On my first post about HP ESXi 5.0 customized image I discussed about the new esxcli namespaces added by HP. But those tools aren’t the only ones included.

Change ESXi 5.0 hostname with esxcli

2 minute read

Yes another post about esxcli, what can I say I’m studying very hard for my VCP5 and from time to time this kind of unknown information, at least for me, ari...

List packages installed in ESXi 4.1 and 5.0

4 minute read

Today a co-worker has asked me how to list the packages installed in an ESXi 4.1 Update 1 server, in the ESX COS we had the RedHat rpm command but in ESXi th...

vMA 5 rejects SSH connections

less than 1 minute read

If you deploy vMA 5.0 within your virtual infrastructure will find the first time you try to access it by SSH that the appliance is continuously rejecting yo...

DNS configuration with esxcli

less than 1 minute read

With release of ESXi 5.0 the esxcli command has been also vastly improved. One of this new capabilities is the possibility to manage the DNS configuration of...

A first look into the vMA 5

3 minute read

Like the rest of components of vSphere the vMA, vSphere Management Appliance, has been updated to the new version. In this post I will discuss the changes an...

List ARP table entries of an ESXi

less than 1 minute read

Like we found before for netstat there is no arp command available from within ESXi Tech Support Mode, so how can you list the ARP table entries if you need ...

How to get the network connections of an ESXi

less than 1 minute read

We are going to suppose that you are trying to troubleshoot your ESXi network problems and as an experienced sysadmin one of the first things to do is gettin...

Retrieving ESX(i) hardware info with PowerCLI

less than 1 minute read

We all know how to look for the basic hardware info of an ESX(i) server, just open the vSphere Client go to Summary tab and you will presented with the famil...

Install ESXi from the Onboard Administrator

1 minute read

Installing an ESXi server, or any other operative system, using the c-Class Blade Enclosure Onboard Administrator and the server ILO is a very easy and strai...

Change vSphere PowerCLI proxy settings

1 minute read

Today I was performing a test in the vSphere cluster I have in my laptop and when I tried to connect to my vCenter Server with PowerCLI I got the following e...

Mapping VLAN to ports in HPVM

1 minute read

Long time since my last post about HP Integrity Virtual Machines, well you know I’ve been very occupied with vSphere and Linux but that doesn’t mean that I c...

HP P4000: Setup a two-node cluster

1 minute read

This post will outline the necessary steps to create a standard (no-multisite) HP P4000 cluster with two nodes. Creating a two-node cluster is a very similar...

HP resources for VMware

11 minute read

The reason for this post is trying to be a single point of reference for HP related VMware resources.

HP Lefthand P4000 VSA verbose boot

less than 1 minute read

If you are a user of the P4000 VSA you’ll be use to the quiet boot sequence of the SAN/iQ software. Just a couple of messages until you get the login prompt.

HP Lefthand VSA minimum memory requirements

1 minute read

These week I’ve trying to stretch the virtualization resources of my homelab as much as possible. In my obsession to run as many VMs as possible I decided to...

Enabling vSphere Web Access

1 minute read

If you are in the virtualization business you’ll probably know that since the release of vSphere back in 2009 the web access the ESX servers has been disable...

Configure AVIO Lan in HPVM Linux guests

4 minute read

The  AVIO Lan drivers for Linux HPVM guests are supported since HPVM4.0 but as you will see enabling it is a little more complicated than in HP-UX guests.

HPVM memory management

6 minute read

Like other virtualization software, HP Integrity Virtual Machines comes with several memory management capabilities. In this new post about HPVM I will try t...

OpenVZ in CentOS 5.4

6 minute read

First something I completely forgot in my first post. I discovered OpenVZ thanks to Vivek Gite’s great site nixCraft. This post and the previous one are insp...

Guest migration in HPVM 3.5

3 minute read

As I already said many times my current HPVM version is 3.5 so it doesn’t support guest online migration. But lacking the online migration feature doesn’t me...

Cloning HPVM guests

11 minute read

Our next step in the wonderful HPVM World is… cloning virtual machines.

Moving vNICs between vSwitches

1 minute read

Following with my re-learning HPVM process today I’ve been playing around with my virtual switches and a question had arise.

Coming back to the IVM world

8 minute read

Yes I have to admit it, it’s been a while since the last time I created an Integrity Virtual Machine. In my last job didn’t have HPVM and here the VMs were a...

OpenBSD and VirtualBox

1 minute read

I’ve been using OpenBSD since the 3.0 version as desktop, in my home servers and even in production systems, some time ago I decided to virtualize my OpenBSD...

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Sysadmin

Playing with OpenStack Vagrant provider

3 minute read

Since Vagrant is so tightly integrated in my personal development and learning workflow and my job basically revolves around OpenStack it was about time for ...

Quick tip - Troubleshooting networkd

less than 1 minute read

To troubleshoot networkd in case of failure we can enable debug mode using the following procedure, this is applicable to Photon OS or any other linux system...

Network configuration in Photon OS

2 minute read

Photon instances are usually meant to be configured automatically with Cloud-config, this includes hostname, network settings, additional packages, etc. Howe...

Python script to reconfigure an ESXi for HA

1 minute read

If you have following my blog for some time you may remember a post from 2011 where I wrote about the procedure perform a Reconfigure for HA operation in an ...

You can run Cockpit in Photon OS

1 minute read

I have written in the past about using Cockpit with Fedora and CentOS 7 here and here. Today playing with one of my Lightwave instances I discovered that Coc...

DNF, the new Fedora package manager

3 minute read

Fedora 22 was released a few months ago and amongst many new features it came with a replacement for yum as package manager called dnf, or DaNdiFied YUM, oh ...

FirewallD quickstart guide

4 minute read

FirewallD, or Dynamic Firewall Manager, is the replacement for the IPTables firewall in Red Hat Enterprise Linux. The main improvement over IPTables is the c...

How to install Cockpit on CentOS 7

1 minute read

Being used to have Cockpit in my Fedora 21 Server VMs I decided that having it also on my CentOS machines would be awesome, unfortunately I quickly found tha...

Managing your Fedora Server with Cockpit

1 minute read

Cockpit is a new web based server manager to administer Linux server, it will provide the system administrators with a user friendly interface to manage thei...

How to setup ESXi for NSX

4 minute read

In the series of posts about OpenStack and KVM we saw how to add a KVM node to NSX for multi-hypervisor environments as a transport node. In this post we wil...

Linux Kernel 3.7 and VMware Tools issue

1 minute read

I got aware of this issue last week after installing a Fedora 18 virtual machine on Fusion 5. The installation of the Tools went as expected but when the ins...

Change ESXi 5 iSCSI iqn with esxcli

less than 1 minute read

After my previous post about getting the iqn of an ESXi using esxcli Andy Banta (@andybanta) commented on Twitter that you can also change the iqn of the hos...

How to get iSCSI iqn using esxcli in ESXi 5

less than 1 minute read

Back in 2010 I wrote a post about how to get the iSCSI iqn of an ESXi 4.x server using vSphere CLI from the vMA or any other system with vCLI installed on it.

How to upgrade the vMA 5

2 minute read

Last week vSphere 5 Update 1 was released by VMware, along with the main products some of the SDKs and automation tools were also updated, including the vMA ...

Change ESXi 5.0 hostname with esxcli

2 minute read

Yes another post about esxcli, what can I say I’m studying very hard for my VCP5 and from time to time this kind of unknown information, at least for me, ari...

List packages installed in ESXi 4.1 and 5.0

4 minute read

Today a co-worker has asked me how to list the packages installed in an ESXi 4.1 Update 1 server, in the ESX COS we had the RedHat rpm command but in ESXi th...

vMA 5 rejects SSH connections

less than 1 minute read

If you deploy vMA 5.0 within your virtual infrastructure will find the first time you try to access it by SSH that the appliance is continuously rejecting yo...

DNS configuration with esxcli

less than 1 minute read

With release of ESXi 5.0 the esxcli command has been also vastly improved. One of this new capabilities is the possibility to manage the DNS configuration of...

List ARP table entries of an ESXi

less than 1 minute read

Like we found before for netstat there is no arp command available from within ESXi Tech Support Mode, so how can you list the ARP table entries if you need ...

How to get the network connections of an ESXi

less than 1 minute read

We are going to suppose that you are trying to troubleshoot your ESXi network problems and as an experienced sysadmin one of the first things to do is gettin...

Retrieving ESX(i) hardware info with PowerCLI

less than 1 minute read

We all know how to look for the basic hardware info of an ESX(i) server, just open the vSphere Client go to Summary tab and you will presented with the famil...

How to create a new file system in OpenBSD

4 minute read

Another self-reference short post that can be useful for any OpenBSD newbie and because I love to go through the basics from time to time just to don’t lose ...

Mapping VLAN to ports in HPVM

1 minute read

Long time since my last post about HP Integrity Virtual Machines, well you know I’ve been very occupied with vSphere and Linux but that doesn’t mean that I c...

How to rescan the SCSI bus in Linux

1 minute read

You are in front of a Linux box, a VM really, with a bunch of new disks that must be configured and suddenly you remember that there is no ioscan in Linux, y...

Enabling vSphere Web Access

1 minute read

If you are in the virtualization business you’ll probably know that since the release of vSphere back in 2009 the web access the ESX servers has been disable...

LVM and file system basics in HP-UX & Linux

16 minute read

Now that my daily work is more focused on Linux I found myself performing the same basic administration tasks in Linux that I’m used to do in HP-UX. Because ...

Mirroring VxVM root disk group

5 minute read

Mirroring the root disk group of an HP-UX server is a very straightforward process that can be performed by simply use the vxrootmir command an use the new m...

OpenBSD network interface trunking

2 minute read

Network interface trunking is the OpenBSD equivalent of HP-UX Auto-Port Aggregation feature. It allows to combine two or more physical interfaces into a virt...

Configure AVIO Lan in HPVM Linux guests

4 minute read

The  AVIO Lan drivers for Linux HPVM guests are supported since HPVM4.0 but as you will see enabling it is a little more complicated than in HP-UX guests.

Patching a server using Dynamic Root Disk

4 minute read

Dynamic Root Disk, or DRD for short, is a nice and handy tool that every HP-UX Sysadmin should know how to use. In an HPVM related post I showed how to use D...

EMC PowerPath basic commands

3 minute read

PowerPath is a multipathing software for Unix operating systems from EMC. If you have ever worked or you are going to work in an environment that includes EM...

Guest migration in HPVM 3.5

3 minute read

As I already said many times my current HPVM version is 3.5 so it doesn’t support guest online migration. But lacking the online migration feature doesn’t me...

Cloning HPVM guests

11 minute read

Our next step in the wonderful HPVM World is… cloning virtual machines.

Moving vNICs between vSwitches

1 minute read

Following with my re-learning HPVM process today I’ve been playing around with my virtual switches and a question had arise.

Double check! Always!

1 minute read

Today I learned the hard way how important is to check everything at least twice.

Playing with lanadmin & lanscan

7 minute read

Current release of HP-UX, 11.31, has the handy nwmgr to handle networking tasks, but for years instead of nwmgr we’ve been playing with lanscan and lanadmin,...

SSH foolishness

1 minute read

Today it’s been one of those days that you wish to hide very deep under your desk.

UNIX95 and ps command

1 minute read

UNIX95 is a Unix standard defined in the Single UNIX Specification. HP-UX 11i is registered as UNIX95 compliant in its v1 and v2 versions and as UNIX03 (a mo...

vg00 mirroring

5 minute read

This is a small cookbook about mirroring the vg00 I’ve compiled throughout the years, well it’s really more like a list with the commands but I believe it ca...

Configuring APA

4 minute read

Long time since my last post, Christmas you know ;-) BTW Merry Christmas and Happy New Year to all of you.

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HP-UX

Mapping VLAN to ports in HPVM

1 minute read

Long time since my last post about HP Integrity Virtual Machines, well you know I’ve been very occupied with vSphere and Linux but that doesn’t mean that I c...

LVM and file system basics in HP-UX & Linux

16 minute read

Now that my daily work is more focused on Linux I found myself performing the same basic administration tasks in Linux that I’m used to do in HP-UX. Because ...

Mirroring VxVM root disk group

5 minute read

Mirroring the root disk group of an HP-UX server is a very straightforward process that can be performed by simply use the vxrootmir command an use the new m...

Configure AVIO Lan in HPVM Linux guests

4 minute read

The  AVIO Lan drivers for Linux HPVM guests are supported since HPVM4.0 but as you will see enabling it is a little more complicated than in HP-UX guests.

HPVM memory management

6 minute read

Like other virtualization software, HP Integrity Virtual Machines comes with several memory management capabilities. In this new post about HPVM I will try t...

Patching a server using Dynamic Root Disk

4 minute read

Dynamic Root Disk, or DRD for short, is a nice and handy tool that every HP-UX Sysadmin should know how to use. In an HPVM related post I showed how to use D...

EMC PowerPath basic commands

3 minute read

PowerPath is a multipathing software for Unix operating systems from EMC. If you have ever worked or you are going to work in an environment that includes EM...

Guest migration in HPVM 3.5

3 minute read

As I already said many times my current HPVM version is 3.5 so it doesn’t support guest online migration. But lacking the online migration feature doesn’t me...

Cloning HPVM guests

11 minute read

Our next step in the wonderful HPVM World is… cloning virtual machines.

Moving vNICs between vSwitches

1 minute read

Following with my re-learning HPVM process today I’ve been playing around with my virtual switches and a question had arise.

Coming back to the IVM world

8 minute read

Yes I have to admit it, it’s been a while since the last time I created an Integrity Virtual Machine. In my last job didn’t have HPVM and here the VMs were a...

Double check! Always!

1 minute read

Today I learned the hard way how important is to check everything at least twice.

Machinfo on PA-RISC systems

1 minute read

When the HP-UX Itanium version was released  it came with a very handy tool named machinfo. This command prints number and type of CPUs, amount of memory, fi...

Linux LVM commands in HP-UX

9 minute read

Some of the features I always liked about the Linux LVM2 implementation are the lvs, vgs and pvs commands. With these simple commands a short list of the LVs...

Playing with lanadmin & lanscan

7 minute read

Current release of HP-UX, 11.31, has the handy nwmgr to handle networking tasks, but for years instead of nwmgr we’ve been playing with lanscan and lanadmin,...

SSH foolishness

1 minute read

Today it’s been one of those days that you wish to hide very deep under your desk.

Open Source software and HP-UX

1 minute read

HP-UX is a great OS and the default installation provides a plethora of tools for any Unix sysadmin but of course, like almost every operative system, it can...

HP-UX 10.20, still around :-)

less than 1 minute read

Ten years or so ago the first HP-UX I worked with was a 10.20, it was an old D230 HP9000 server.

UNIX95 and ps command

1 minute read

UNIX95 is a Unix standard defined in the Single UNIX Specification. HP-UX 11i is registered as UNIX95 compliant in its v1 and v2 versions and as UNIX03 (a mo...

vg00 mirroring

5 minute read

This is a small cookbook about mirroring the vg00 I’ve compiled throughout the years, well it’s really more like a list with the commands but I believe it ca...

HP-UX.. Is there a future for us?

1 minute read

Is there a future for HP-UX sysadmins? Is our beloved OS going to die like others did? For example True64 just to name one.

Configuring APA

4 minute read

Long time since my last post, Christmas you know ;-) BTW Merry Christmas and Happy New Year to all of you.

Hardening dilemma

less than 1 minute read

When you have to secure a system you probably have come to the dilemma ‘Which method is the best? Bastille or manual hardening?’ at least I did it.

HP-UX security resources

2 minute read

Recently a friend asked me about HP-UX security and where to find useful information. We have to admit it, there are not many resources out there about HP-UX...

Installing a new client with Ignite

11 minute read

Along my career as HP-UX administrator one of the most useful tools has been Ignite-UX. This is, IMHO, the most powerful backup/recovery/deployment tool abov...

ioscan_fc2.sh

5 minute read

My first post is about one small, but great, piece of software I found some time ago in Olivier’s site mayoxide. This script is named ioscan_fc2.sh and you c...

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Microsoft

AKS integration with Azure Container Registry

less than 1 minute read

Since the beginning of the service AKS has been able to use Azure Container Registry, or ACR, to pull the container images used in a deployment initiated eit...

Scaling operations with AKS-Engine

3 minute read

After reviewing how to perform Kubernetes version upgrades with AKS-Engine in a previous post the next logical step is show how to scale our Kubernetes clust...

Kubernetes version upgrade with AKS-Engine

4 minute read

Performing a version upgrade in Kubernetes can be a challenging task. With AKS, and the likes, you have that resolved and solutions like Red Hat OpenShift al...

ACS-Engine is now AKS-Engine

less than 1 minute read

This is post is quick heads up for everybody our there using ACS Engine to spin up container clusters on Azure. Our containers engineering team is depracatin...

My quick take on Helm

4 minute read

Helm is one of those tools I’ve been watching from a safe distance for some time, always curious but never find the time to play with it. I decided to change...

Vagrant ssh in Windows 10 from WSL

3 minute read

Using Vagrant from WSL is perfectly possible as long as you use the Windows version and the Vagrantfile is hosted somewhere under /mnt/c. You can run vagrant...

Migrating from OS X to Windows 10

7 minute read

When I joined Microsoft it was clear to me that I will have to switch to Windows as my main OS. Besides of using Windows 7 on Bootcamp during a couple of wee...

My first three months at Microsoft

1 minute read

When I joined Microsoft my friend, and former VMware colleague, Manfred Hofer asked me to write something about my journey from being a Unix hardcore geek to...

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Cloud-Native

AKS integration with Azure Container Registry

less than 1 minute read

Since the beginning of the service AKS has been able to use Azure Container Registry, or ACR, to pull the container images used in a deployment initiated eit...

Scaling operations with AKS-Engine

3 minute read

After reviewing how to perform Kubernetes version upgrades with AKS-Engine in a previous post the next logical step is show how to scale our Kubernetes clust...

Kubernetes version upgrade with AKS-Engine

4 minute read

Performing a version upgrade in Kubernetes can be a challenging task. With AKS, and the likes, you have that resolved and solutions like Red Hat OpenShift al...

ACS-Engine is now AKS-Engine

less than 1 minute read

This is post is quick heads up for everybody our there using ACS Engine to spin up container clusters on Azure. Our containers engineering team is depracatin...

My quick take on Helm

4 minute read

Helm is one of those tools I’ve been watching from a safe distance for some time, always curious but never find the time to play with it. I decided to change...

Quick tip - Troubleshooting networkd

less than 1 minute read

To troubleshoot networkd in case of failure we can enable debug mode using the following procedure, this is applicable to Photon OS or any other linux system...

Network configuration in Photon OS

2 minute read

Photon instances are usually meant to be configured automatically with Cloud-config, this includes hostname, network settings, additional packages, etc. Howe...

You can run Cockpit in Photon OS

1 minute read

I have written in the past about using Cockpit with Fedora and CentOS 7 here and here. Today playing with one of my Lightwave instances I discovered that Coc...

VMware Lightwave multi-node domain setup

3 minute read

VMware Lightwave is an identity and management access service for Cloud-Native apps. It was released to the community last year and the source code can be ac...

First steps with Pivotal Lattice

2 minute read

Lattice is the latest addition from Pivotal to its portfolio of open source projects. Lattice leverages various components from Cloud Foundry, in order to ru...

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Cloud

AKS integration with Azure Container Registry

less than 1 minute read

Since the beginning of the service AKS has been able to use Azure Container Registry, or ACR, to pull the container images used in a deployment initiated eit...

Scaling operations with AKS-Engine

3 minute read

After reviewing how to perform Kubernetes version upgrades with AKS-Engine in a previous post the next logical step is show how to scale our Kubernetes clust...

Kubernetes version upgrade with AKS-Engine

4 minute read

Performing a version upgrade in Kubernetes can be a challenging task. With AKS, and the likes, you have that resolved and solutions like Red Hat OpenShift al...

My quick take on Helm

4 minute read

Helm is one of those tools I’ve been watching from a safe distance for some time, always curious but never find the time to play with it. I decided to change...

My DevStack local.conf file

less than 1 minute read

One of the pillars of my personal OpenStack ecosystem is DevStack. For those of you new to the OpenStack world DevStack is a tool, basically is a shell scrip...

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Linux

Quick tip - Troubleshooting networkd

less than 1 minute read

To troubleshoot networkd in case of failure we can enable debug mode using the following procedure, this is applicable to Photon OS or any other linux system...

Network configuration in Photon OS

2 minute read

Photon instances are usually meant to be configured automatically with Cloud-config, this includes hostname, network settings, additional packages, etc. Howe...

DNF, the new Fedora package manager

3 minute read

Fedora 22 was released a few months ago and amongst many new features it came with a replacement for yum as package manager called dnf, or DaNdiFied YUM, oh ...

FirewallD quickstart guide

4 minute read

FirewallD, or Dynamic Firewall Manager, is the replacement for the IPTables firewall in Red Hat Enterprise Linux. The main improvement over IPTables is the c...

How to install Cockpit on CentOS 7

1 minute read

Being used to have Cockpit in my Fedora 21 Server VMs I decided that having it also on my CentOS machines would be awesome, unfortunately I quickly found tha...

Managing your Fedora Server with Cockpit

1 minute read

Cockpit is a new web based server manager to administer Linux server, it will provide the system administrators with a user friendly interface to manage thei...

Linux Kernel 3.7 and VMware Tools issue

1 minute read

I got aware of this issue last week after installing a Fedora 18 virtual machine on Fusion 5. The installation of the Tools went as expected but when the ins...

Understanding RAID management in Linux

4 minute read

The first thing you must learn about RAID technologies in Linux is that they have nothing in common with HP-UX, and I mean nothing! Yes there is LVM but that...

How to rescan the SCSI bus in Linux

1 minute read

You are in front of a Linux box, a VM really, with a bunch of new disks that must be configured and suddenly you remember that there is no ioscan in Linux, y...

LVM and file system basics in HP-UX & Linux

16 minute read

Now that my daily work is more focused on Linux I found myself performing the same basic administration tasks in Linux that I’m used to do in HP-UX. Because ...

Installing the HP Lefthand CMC in Linux

less than 1 minute read

May be some of you are not aware of this but the HP Lefthand Central Management Console application is available not only for Windows but for Linux and HP-UX...

Configure AVIO Lan in HPVM Linux guests

4 minute read

The  AVIO Lan drivers for Linux HPVM guests are supported since HPVM4.0 but as you will see enabling it is a little more complicated than in HP-UX guests.

OpenVZ in CentOS 5.4

6 minute read

First something I completely forgot in my first post. I discovered OpenVZ thanks to Vivek Gite’s great site nixCraft. This post and the previous one are insp...

Linux LVM commands in HP-UX

9 minute read

Some of the features I always liked about the Linux LVM2 implementation are the lvs, vgs and pvs commands. With these simple commands a short list of the LVs...

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HP

More HP sauce on ESXi 5.0

2 minute read

On my first post about HP ESXi 5.0 customized image I discussed about the new esxcli namespaces added by HP. But those tools aren’t the only ones included.

Introducing HP iLO app for iOS

less than 1 minute read

Quietly released by HP less than a week ago, the HP iLO Mobile Application for iOS allows you to control your ProLiant server through their iLO console from ...

HP Technology@Work On Tour 2011 - Madrid

1 minute read

The HP Technology@Work On Tour arrived yesterday to Madrid. This event has been a great opportunity for everyone to see the proposals from HP for Converged I...

Install ESXi from the Onboard Administrator

1 minute read

Installing an ESXi server, or any other operative system, using the c-Class Blade Enclosure Onboard Administrator and the server ILO is a very easy and strai...

HP P4000: Setup a two-node cluster

1 minute read

This post will outline the necessary steps to create a standard (no-multisite) HP P4000 cluster with two nodes. Creating a two-node cluster is a very similar...

HP P4000: Generating the CLIQ key file

less than 1 minute read

As I explained in my first post about the SAN/iQ command line, to remotely manage a P4000 storage array instead of providing the username/password credential...

How to rescan the SCSI bus in Linux

1 minute read

You are in front of a Linux box, a VM really, with a bunch of new disks that must be configured and suddenly you remember that there is no ioscan in Linux, y...

HP resources for VMware

11 minute read

The reason for this post is trying to be a single point of reference for HP related VMware resources.

HPVM memory management

6 minute read

Like other virtualization software, HP Integrity Virtual Machines comes with several memory management capabilities. In this new post about HPVM I will try t...

New Generation Integrity Servers

2 minute read

Last week was, without any doubt, one of the most exciting of the year. The new Integrity Servers have been finally unveiled.

Tukwila, we are almost there

less than 1 minute read

It seems that finally and after a myriad of delays Tukwila, the brand new quad-core Itanium processor from Intel, is going to be released. Yesterday through ...

OpenVMS Month!

1 minute read

February is the OpenVMS Month. The people of VMSblog have launched a “Call for Participation in the OpenVMS Month”, the event is sponsored by Connect and the...

HP-UX.. Is there a future for us?

1 minute read

Is there a future for HP-UX sysadmins? Is our beloved OS going to die like others did? For example True64 just to name one.

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Storage

How to get iSCSI iqn using esxcli in ESXi 5

less than 1 minute read

Back in 2010 I wrote a post about how to get the iSCSI iqn of an ESXi 4.x server using vSphere CLI from the vMA or any other system with vCLI installed on it.

EMC Symmetrix Timefinder survival guide

7 minute read

During a previous project I had the opportunity to work very closely with the EMC people and Symmetrix arrays, in fact I got a couple of very good friends fr...

HP P4000: Setup a two-node cluster

1 minute read

This post will outline the necessary steps to create a standard (no-multisite) HP P4000 cluster with two nodes. Creating a two-node cluster is a very similar...

HP P4000: Generating the CLIQ key file

less than 1 minute read

As I explained in my first post about the SAN/iQ command line, to remotely manage a P4000 storage array instead of providing the username/password credential...

How to rescan the SCSI bus in Linux

1 minute read

You are in front of a Linux box, a VM really, with a bunch of new disks that must be configured and suddenly you remember that there is no ioscan in Linux, y...

HP resources for VMware

11 minute read

The reason for this post is trying to be a single point of reference for HP related VMware resources.

HP Lefthand P4000 VSA verbose boot

less than 1 minute read

If you are a user of the P4000 VSA you’ll be use to the quiet boot sequence of the SAN/iQ software. Just a couple of messages until you get the login prompt.

HP Lefthand VSA minimum memory requirements

1 minute read

These week I’ve trying to stretch the virtualization resources of my homelab as much as possible. In my obsession to run as many VMs as possible I decided to...

Installing the HP Lefthand CMC in Linux

less than 1 minute read

May be some of you are not aware of this but the HP Lefthand Central Management Console application is available not only for Windows but for Linux and HP-UX...

EMC PowerPath basic commands

3 minute read

PowerPath is a multipathing software for Unix operating systems from EMC. If you have ever worked or you are going to work in an environment that includes EM...

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Containers

AKS integration with Azure Container Registry

less than 1 minute read

Since the beginning of the service AKS has been able to use Azure Container Registry, or ACR, to pull the container images used in a deployment initiated eit...

Scaling operations with AKS-Engine

3 minute read

After reviewing how to perform Kubernetes version upgrades with AKS-Engine in a previous post the next logical step is show how to scale our Kubernetes clust...

Kubernetes version upgrade with AKS-Engine

4 minute read

Performing a version upgrade in Kubernetes can be a challenging task. With AKS, and the likes, you have that resolved and solutions like Red Hat OpenShift al...

ACS-Engine is now AKS-Engine

less than 1 minute read

This is post is quick heads up for everybody our there using ACS Engine to spin up container clusters on Azure. Our containers engineering team is depracatin...

My quick take on Helm

4 minute read

Helm is one of those tools I’ve been watching from a safe distance for some time, always curious but never find the time to play with it. I decided to change...

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Azure

AKS integration with Azure Container Registry

less than 1 minute read

Since the beginning of the service AKS has been able to use Azure Container Registry, or ACR, to pull the container images used in a deployment initiated eit...

Scaling operations with AKS-Engine

3 minute read

After reviewing how to perform Kubernetes version upgrades with AKS-Engine in a previous post the next logical step is show how to scale our Kubernetes clust...

Kubernetes version upgrade with AKS-Engine

4 minute read

Performing a version upgrade in Kubernetes can be a challenging task. With AKS, and the likes, you have that resolved and solutions like Red Hat OpenShift al...

My quick take on Helm

4 minute read

Helm is one of those tools I’ve been watching from a safe distance for some time, always curious but never find the time to play with it. I decided to change...

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Networking

How to assign fixed IP addresses in Neutron

3 minute read

In OpenStack the most common way to provide connectivity to the instances is to rely on DHCP service provided by Neutron, is simple and clean. However there ...

How to setup ESXi for NSX

4 minute read

In the series of posts about OpenStack and KVM we saw how to add a KVM node to NSX for multi-hypervisor environments as a transport node. In this post we wil...

OpenBSD network interface trunking

2 minute read

Network interface trunking is the OpenBSD equivalent of HP-UX Auto-Port Aggregation feature. It allows to combine two or more physical interfaces into a virt...

Moving vNICs between vSwitches

1 minute read

Following with my re-learning HPVM process today I’ve been playing around with my virtual switches and a question had arise.

Playing with lanadmin & lanscan

7 minute read

Current release of HP-UX, 11.31, has the handy nwmgr to handle networking tasks, but for years instead of nwmgr we’ve been playing with lanscan and lanadmin,...

Configuring APA

4 minute read

Long time since my last post, Christmas you know ;-) BTW Merry Christmas and Happy New Year to all of you.

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DevOps

AKS integration with Azure Container Registry

less than 1 minute read

Since the beginning of the service AKS has been able to use Azure Container Registry, or ACR, to pull the container images used in a deployment initiated eit...

Vagrant ssh in Windows 10 from WSL

3 minute read

Using Vagrant from WSL is perfectly possible as long as you use the Windows version and the Vagrantfile is hosted somewhere under /mnt/c. You can run vagrant...

Playing with OpenStack Vagrant provider

3 minute read

Since Vagrant is so tightly integrated in my personal development and learning workflow and my job basically revolves around OpenStack it was about time for ...

Quick tip - Troubleshooting networkd

less than 1 minute read

To troubleshoot networkd in case of failure we can enable debug mode using the following procedure, this is applicable to Photon OS or any other linux system...

Network configuration in Photon OS

2 minute read

Photon instances are usually meant to be configured automatically with Cloud-config, this includes hostname, network settings, additional packages, etc. Howe...

Python script to reconfigure an ESXi for HA

1 minute read

If you have following my blog for some time you may remember a post from 2011 where I wrote about the procedure perform a Reconfigure for HA operation in an ...

You can run Cockpit in Photon OS

1 minute read

I have written in the past about using Cockpit with Fedora and CentOS 7 here and here. Today playing with one of my Lightwave instances I discovered that Coc...

VMware Lightwave multi-node domain setup

3 minute read

VMware Lightwave is an identity and management access service for Cloud-Native apps. It was released to the community last year and the source code can be ac...

First steps with Pivotal Lattice

2 minute read

Lattice is the latest addition from Pivotal to its portfolio of open source projects. Lattice leverages various components from Cloud Foundry, in order to ru...

Managing your Fedora Server with Cockpit

1 minute read

Cockpit is a new web based server manager to administer Linux server, it will provide the system administrators with a user friendly interface to manage thei...

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OpenStack

Playing with OpenStack Vagrant provider

3 minute read

Since Vagrant is so tightly integrated in my personal development and learning workflow and my job basically revolves around OpenStack it was about time for ...

How to assign fixed IP addresses in Neutron

3 minute read

In OpenStack the most common way to provide connectivity to the instances is to rely on DHCP service provided by Neutron, is simple and clean. However there ...

Managing VIO with viocli

5 minute read

VIO 2.0 comes with several command line utilities, in a previous post I showed the usage of viopatch to perform patching of an existing VIO installation. In ...

How to enable Ceilometer in VIO 2.0

3 minute read

Ceilometer is the main telemetry and metering project within OpenStack Telemetry, the goal of Ceilometer is to collect all the data generated by the differen...

Upgrading VMware Integrated OpenStack

3 minute read

In a previous article I showed the process to patch an existing VIO 1.0 installation, which as you were able to see it is a clean and easy process. VMware an...

How to patch your VIO environment

1 minute read

VMware has released the first patch for VMware Integrated OpenStack. This patch release comes with improvements around the installer, Keystone service and fi...

My DevStack local.conf file

less than 1 minute read

One of the pillars of my personal OpenStack ecosystem is DevStack. For those of you new to the OpenStack world DevStack is a tool, basically is a shell scrip...

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Personal

Migrating from OS X to Windows 10

7 minute read

When I joined Microsoft it was clear to me that I will have to switch to Windows as my main OS. Besides of using Windows 7 on Bootcamp during a couple of wee...

My first three months at Microsoft

1 minute read

When I joined Microsoft my friend, and former VMware colleague, Manfred Hofer asked me to write something about my journey from being a Unix hardcore geek to...

That’s NOT all folks!

1 minute read

Well it’s been a while since my last post, near nine months. Too much time for any author that really wants to maintain its site more or less alive.  I’m sur...

VMworld 2012 - Day -1

2 minute read

This year I finally manage to go to VMworld. It’s been held in the beautiful Barcelona, just a few hundred kilometers from Madrid, and now that the event is ...

New journey, new challenges.

less than 1 minute read

The last four weeks I had a bit of a crazy life, but finally the process has come to an end and I can freely speak about it.

vExpert 2012, one more time :-)

less than 1 minute read

When I got home after a morning playing airsoft with some friends I found on my twitter stream a very nice surprise. My friend Josep Ros (@josepros) was con...

Merry Christmas!

less than 1 minute read

With this picture of our son Jaime and our lady Buffy, my wife and me wish to you and your families all the best for this Christmas and the New Year ahead.

1 year…

less than 1 minute read

I really can not believe it but a year has passed since my first “Hello World!” post.

Time for a change

1 minute read

Those of you who follow me on Twitter probably know that I joined the HP Spain Linux Team a couple of weeks ago and since then my life has become very intere...

Happy Birthday to me!

less than 1 minute read

Today is my birthday, 34 years. All kind of gifts would be welcome, specially PA-RISC or Itanium servers, EVAs, ProLiant servers, .

Hello world!

less than 1 minute read

OK, this it. Finally I manage to get some time to start my technical blog.

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Red Hat

DNF, the new Fedora package manager

3 minute read

Fedora 22 was released a few months ago and amongst many new features it came with a replacement for yum as package manager called dnf, or DaNdiFied YUM, oh ...

FirewallD quickstart guide

4 minute read

FirewallD, or Dynamic Firewall Manager, is the replacement for the IPTables firewall in Red Hat Enterprise Linux. The main improvement over IPTables is the c...

How to install Cockpit on CentOS 7

1 minute read

Being used to have Cockpit in my Fedora 21 Server VMs I decided that having it also on my CentOS machines would be awesome, unfortunately I quickly found tha...

Managing your Fedora Server with Cockpit

1 minute read

Cockpit is a new web based server manager to administer Linux server, it will provide the system administrators with a user friendly interface to manage thei...

LVM and file system basics in HP-UX & Linux

16 minute read

Now that my daily work is more focused on Linux I found myself performing the same basic administration tasks in Linux that I’m used to do in HP-UX. Because ...

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Itanium

Configure AVIO Lan in HPVM Linux guests

4 minute read

The  AVIO Lan drivers for Linux HPVM guests are supported since HPVM4.0 but as you will see enabling it is a little more complicated than in HP-UX guests.

HPVM memory management

6 minute read

Like other virtualization software, HP Integrity Virtual Machines comes with several memory management capabilities. In this new post about HPVM I will try t...

New Generation Integrity Servers

2 minute read

Last week was, without any doubt, one of the most exciting of the year. The new Integrity Servers have been finally unveiled.

Guest migration in HPVM 3.5

3 minute read

As I already said many times my current HPVM version is 3.5 so it doesn’t support guest online migration. But lacking the online migration feature doesn’t me...

Cloning HPVM guests

11 minute read

Our next step in the wonderful HPVM World is… cloning virtual machines.

Moving vNICs between vSwitches

1 minute read

Following with my re-learning HPVM process today I’ve been playing around with my virtual switches and a question had arise.

Coming back to the IVM world

8 minute read

Yes I have to admit it, it’s been a while since the last time I created an Integrity Virtual Machine. In my last job didn’t have HPVM and here the VMs were a...

Tukwila, we are almost there

less than 1 minute read

It seems that finally and after a myriad of delays Tukwila, the brand new quad-core Itanium processor from Intel, is going to be released. Yesterday through ...

Back to Top ↑

Blog

That’s NOT all folks!

1 minute read

Well it’s been a while since my last post, near nine months. Too much time for any author that really wants to maintain its site more or less alive.  I’m sur...

My first sponsor

less than 1 minute read

I am very happy to announce that today I get the first sponsor for this blog. The people at Veeam Software has been kind enough to take my blog into consider...

1 year…

less than 1 minute read

I really can not believe it but a year has passed since my first “Hello World!” post.

Hello world!

less than 1 minute read

OK, this it. Finally I manage to get some time to start my technical blog.

Back to Top ↑

BSD

How to create a new file system in OpenBSD

4 minute read

Another self-reference short post that can be useful for any OpenBSD newbie and because I love to go through the basics from time to time just to don’t lose ...

OpenBSD network interface trunking

2 minute read

Network interface trunking is the OpenBSD equivalent of HP-UX Auto-Port Aggregation feature. It allows to combine two or more physical interfaces into a virt...

OpenBSD and VirtualBox

1 minute read

I’ve been using OpenBSD since the 3.0 version as desktop, in my home servers and even in production systems, some time ago I decided to virtualize my OpenBSD...

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EMC

EMC Symmetrix Timefinder survival guide

7 minute read

During a previous project I had the opportunity to work very closely with the EMC people and Symmetrix arrays, in fact I got a couple of very good friends fr...

EMC PowerPath basic commands

3 minute read

PowerPath is a multipathing software for Unix operating systems from EMC. If you have ever worked or you are going to work in an environment that includes EM...

Back to Top ↑

Security

FirewallD quickstart guide

4 minute read

FirewallD, or Dynamic Firewall Manager, is the replacement for the IPTables firewall in Red Hat Enterprise Linux. The main improvement over IPTables is the c...

Hardening dilemma

less than 1 minute read

When you have to secure a system you probably have come to the dilemma ‘Which method is the best? Bastille or manual hardening?’ at least I did it.

HP-UX security resources

2 minute read

Recently a friend asked me about HP-UX security and where to find useful information. We have to admit it, there are not many resources out there about HP-UX...

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Windows

Console2, a Windows CMD replacement

less than 1 minute read

May be you already know it or may be not, but Console2 is one of those pieces of software that when you discover it you ask yourself “How was my life before ...

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Windows 10

Vagrant ssh in Windows 10 from WSL

3 minute read

Using Vagrant from WSL is perfectly possible as long as you use the Windows version and the Vagrantfile is hosted somewhere under /mnt/c. You can run vagrant...

Migrating from OS X to Windows 10

7 minute read

When I joined Microsoft it was clear to me that I will have to switch to Windows as my main OS. Besides of using Windows 7 on Bootcamp during a couple of wee...

Back to Top ↑

Opinion

Tukwila, we are almost there

less than 1 minute read

It seems that finally and after a myriad of delays Tukwila, the brand new quad-core Itanium processor from Intel, is going to be released. Yesterday through ...

HP-UX.. Is there a future for us?

1 minute read

Is there a future for HP-UX sysadmins? Is our beloved OS going to die like others did? For example True64 just to name one.

Back to Top ↑

OpenVMS

OpenVMS Month!

1 minute read

February is the OpenVMS Month. The people of VMSblog have launched a “Call for Participation in the OpenVMS Month”, the event is sponsored by Connect and the...

Back to Top ↑

PA-RISC

Machinfo on PA-RISC systems

1 minute read

When the HP-UX Itanium version was released  it came with a very handy tool named machinfo. This command prints number and type of CPUs, amount of memory, fi...

HP-UX 10.20, still around :-)

less than 1 minute read

Ten years or so ago the first HP-UX I worked with was a 10.20, it was an old D230 HP9000 server.

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Veeam

My first sponsor

less than 1 minute read

I am very happy to announce that today I get the first sponsor for this blog. The people at Veeam Software has been kind enough to take my blog into consider...

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KVM

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Cisco

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Pivotal

First steps with Pivotal Lattice

2 minute read

Lattice is the latest addition from Pivotal to its portfolio of open source projects. Lattice leverages various components from Cloud Foundry, in order to ru...

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Docker

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Cloud-native

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