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Author Archives: morsing
Graphing ilcs in Grafana
Graphing of ilcs in AIX is not included in the nimon data output because ilcs comes from the mpstat command and ilcs is not part of the perfstat library that njmon uses. ilcs is “Involuntary Logical CPU switches” and occurs … Continue reading
Posted in AIX, IBM POWER, Performance tuning, Scripting
Tagged aix, IBM power, ilcs, perfomance, POWER, processor pool, processor switches, shared processor pools
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Unable to increase MaxLPs for LV
As part of growing filesystems on AIX, you often hit the message: which is a bit of a legacy setting from the days of small disks and when you could not shrink filesystems. This is easily over-come by running chlv … Continue reading
Yubikey un-block PIN
Un-blocking the Yubikey PIN seems a bit un-documented. Here is how, bear in mind, the password (-P option) is 8 characters max, and if you type anything else in it will tell you the PIN can be max 8 characters, … Continue reading
Posted in Uncategorized
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Capacity and performance check script
Another little script I wrote to check capacity aspects of an AIX LPAR. I call it capacity checks as it is basing most of the checks on counters and averaging out over 90 days. Some of this is based on … Continue reading
Using Hydra when first parameter is a PHP script to load
Hydra is a tool for brute-forcing web-page logins, but you probably already knew that, arriving at this post. I was trying to find the login for a URL that had /index.php?page=sign_in.php at the end. Burp/PHP code revealed is passed “username” … Continue reading
Fixing Alt-Enter maximising XTerm
Using Org-mode, it was incredibly inconvenient when both in FreeBSD and Linux, Alt-Enter, or Alt-Return as XTerm calls it, stole the Alt-Return key combination and just maximised itself. Not sure if this is i3wm related, but could just be that … Continue reading
Posted in Software
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Checking SUSE bootability on POWER
This little script checks the GRUB boot image for the VG/LV/file string pointing to the correct place, e.g. /boot/grub/grub.cfg. This works on SUSE / SLES on POWER. # SLES bootability monitor## Henrik Morsing 1.0 24-FEB-2023 Initial ver=1.0 [[ “${1}” == … Continue reading
Zabbix API shell script to show maintenance association
Just a quick note to show how you can get a server to show which Zabbix maintenance group it is in upon login.
Posted in Automation, Scripting
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Using Ansible command return code
I was using the command module in Ansible but the command I was calling at the other end would cause the module to fail even on informational message. I believe this was partly due to the ‘rc’ value in the … Continue reading
Script to change WWPNS in LPAR profile
This is a script to interactively change WWPNs on adapters in an IBM POWER/Power systems LPAR profile. This is useful if you have to re-create adapters or even whole profiles as the HMC GUI does not allow you to set … Continue reading
Posted in AIX, HMC, IBM POWER, Scripting
Tagged aix, fibre adapter, hmc, hmc scripting, LPAR profile, VFC, WWPNs
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