If you currently use screen as your terminal window manager, you should take a look at tmux. This isn’t a screen vs tmux post, but I made the switch a few years back, and I’ve become a lot more pro...

IBM provide a number of resources to keep up to date with security advisory announcements. IBM X-Force Exchange provide an API, IBM Support provide email notifications (along with RSS/Atom feeds), ...

More often than not, I find myself having to compare two Hardware Management Console (HMC) logical partition (LPAR) profile configurations. Sometimes this is to ensure that a profile in a disaster ...

An AIX installation will come with a default configured paging space logical volume (hd6). You can increase the size of the logical volume to suit your needs, but at some stage, you may have a requ...

Most will be familiar with using the emgr command to install emergency fixes (eFixes) on AIX. You can additionally use a Network Installation Management (NIM) server in either a push or pull operat...

There are several ways to find the WWPNs for a virtual fibre channel adapter. You can log into the individual LPAR’s, get them from the Hardware Management Console (HMC), or from another asset disc...

Something that I do quite frequently is verify that I have a valid mksysb image for the AIX LPAR that I’m about to make changes on (for example, before applying a service pack). You can do this fro...

For a while now, IBM have diverted their efforts in storage multipathing from SDDPCM to the default AIX PCM. This brings a few advantages, but specifically for me, it means the driver is now update...

IBM have created a self-service portal for its customers to allow them to request their own Elastic Capacity on Demand codes for their registered systems. In my time using the new website, the code...

I built a basic two-node PowerHA SystemMirror (HACMP) cluster for my team a little while ago to use as a test environment for patch updates. While it wasn’t a true reflection of how the production ...