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March 2, 2022 – 2:00 pm

Books have been written on the subject of awk and sed. Here’s a small sample of commands I put together over the years that are useful for everyday system administration tasks. Most of these tasks …

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Article Archive for January 2014

Installing CentOS 6.x From USB

January 16, 2014 – 12:23 am
computer frustration

If at all possible, don’t do it. Find a blank DVD-RW and burn the ISO file. Most current Linux distros can be easily put on a USB stick using freely-available utilities and installed without a hassle. CentOS is not one of them. It would appear, CentOS was designed specifically to make installation from a USB stick a professional challenge for a seasoned sysadmin.

Matching Installed RPMs on Two Systems

January 6, 2014 – 10:02 pm
dump truck

The basic problem is this: you have server “A” with a bunch of packages -let’s say PHP-related stuff – installed you need for you application. You need to get the same application working on server “B”, which is not an exact copy of server “A” and is missing some of the packages.