Stuff…

Wanted to do a quick “du -sh” on only the directories in / (‘root’) and NOT any of the mounted partitions.  This one liner worked nicely: cd / ls -la / | awk ‘{ print $9 }’ | egrep -v ‘boot|part1|var|\.’ | xargs du -sh

[Read more →]

I wanted to default the configuration of a number of ports on an old Cisco 3548. The latest version of IOS support on this system does not support the range command, so, had to manually run a small script (bash 1 liner on linux) and paste in the contents: $ for i in `seq 40 [...]

[Read more →]

How to remove ^M from within a file: perl -pi -e ‘y/\015//d’filename

[Read more →]