How to apply patches for AIX 5.3, TL8 / Technology Level 8

Just a very brief how to on the patching.
You can download the TL8 patch set from the following URL: http://www-933.ibm.com/eserver/support/fixes/fixcentral/pfixpacks/53

First you’ll generally want to commit all existing filesets in cases there are any issues with TL8, so you can back out more easily.
The following will commit all previously applied filesets:
/usr/lib/instl/sm_inst installp_cmd -c -f'all' '-g' '-X' '-V2'

Transfer the patch cluster to your server and decompress. Once that’s complete, run the following to preview the process:

/usr/sbin/install_all_updates -d -p -V -Y

Verify that everything looks good, then continue with:
/usr/sbin/install_all_updates -d -V -Y
Sit back and wait… Once complete, it would generally be a good idea to run through errpt, as well as a reboot then check it out again. Watch the console on boot for any odd boot messages or errors starting any services.

Verify the patching by checking the oslevel:
oslevel -s

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