When working with the key * with BASH, becareful. And simply try to avoid it when you can. * usually does not select hidden files. Unless you tell it other wise withRead More…

Find Largest Files and directories ### CHEATSHEET ALL OF THESE OPERATE INTO CURRENT DIRECTORY: ### # One command, one liner per line. du -a . | sort -n -r | head -nRead More…

I got it from Nixcraft article here, so here is the source: http://www.cyberciti.biz/faq/how-do-i-find-the-largest-filesdirectories-on-a-linuxunixbsd-filesystem/ I mention this method in finding largest files articles (also sourced from above link):  Largest Files It looks like this: forRead More…

Monitor pinging multiple targets using the below script (sends 4 pings to each target, one after the other). read the comments for more details (how the output looks like etc.) Make theRead More…

alias dud='du -chd 1' alias dud2='du -chd 2' alias dud3='du -chd 3' alias dud4='du -chd 4' alias duds='du -chd 1 | sort -h' alias duds2='du -chd 2 | sort -h' alias duds3='duRead More…

To monitor a log that gets truncated ############################## This is how to monitor a log that keeps getting truncated (shrunk when it reaches a certain size). You can roll over its outputRead More…

Rename – perlrex program – Renaming Movies – example 1 ############################################### NOTE: these are not my movies. Just helping a friend out with renames, and thought it would be nice for an articleRead More…

I got my resource completely through here: http://www.commandlinefu.com/commands/view/12626/diff-two-directories-by-finding-and-comparing-the-md5-checksums-of-their-contents. First you need md5deep and sort (which comes with every linux, just not the md5deep program): apt-get update; apt-get install md5deep; Which says toRead More…