Author Archives: morsing

Starting tactic script for CPU allocation calculations on POWER9/10

Based on Earl Jew’s presentation on the 6th of October 2022, “Simplest starting tactic for Power10 AIX exploitation V1.2″. Excellent IBM POWER VUG materials can be found here: https://ibm.ent.box.com/s/6hn2orvig4r2peu6e39owmp07ewyyf4x And the meeting presentation replay here: https://ibm.ent.box.com/s/5atsp26sxup1ob04c3urbkiovj8epbax This is an analytic … Continue reading

Posted in AIX, IBM POWER, Linux, Performance tuning, Scripting | Tagged , , , , , , , | 1 Comment

NIM certificate issues?

NIM is great, right up to the point where it stops working! Getting this error: This means the client certificate for nimsh isn’t working. You might have been Googling and be told nimclient -c or niminit might fix the problem, … Continue reading

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Growing SAN LUN on Linux

This procedure works on SLES 15, should work on RHEL, but not yet tested. This script is for growing SAN LUNs running via multipath on Linux. Makes it look like AIX and just as easy! Growing SAN LUNs in Linux … Continue reading

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Adding applications to Gnome’s favourites

Having pushed out an application to a stack of workstations, I was looking for an easy command line way to programmatically add it to the favourite / side-bar in Gnome. Annoyingly, the only method I found (the one Google finds … Continue reading

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Maya and Houdini headless install

Starting a job in the animation industry, I looked into automating the tools Maya and Houdini, Maya apparently being a must for most people (No, I’d never heard of either). Maya consists of an RPM for the application plus three … Continue reading

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Adding a Gmail account to your Mutt

Adding a Gmail IMAP inbox along-side your local mailbox can be useful to have easy access to both personal and work emails. It took a bit of fiddling around, but the recipe below worked for me. In your standard .muttrc, … Continue reading

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Roundcube php7.4 after Debian Bullseye upgrade

I upgraded Debian Buster to Bullseye carefully following the procedure. Part of the procedure includes removing old or no longer used packages, which I think deleted something that was actually needed. Not to worry, I managed to fix it. I … Continue reading

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Concurrent/parallel or sequential LPAR migrations

When you run lslparmigr -r sys -m <system>, the value of “num_active_migr._supported” shows how many concurrent migrations are possible. For multiple partitions, LPAR names must be comma separated. The maximum number of partition names that can be specified is displayed … Continue reading

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Removing Java 7 on VIO 3.1

I asked IBM if I could remove Java 7 on our new VIO 3.1 instalattions, and rather than answer the question, they pointed me to this brilliant command: updateios -remove_outdated_filesets It happily removed old Java versions and a few other … Continue reading

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