Commands by unixmonkey7743 (1)

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Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

drop first column of output by piping to this

disk space email alert
put it in crontab to get an alert when / is over 89% utilization.

Converts all windows .URL shortcuts in a directory to linux (gnome) .desktop shortcuts

Basic sed usage with xargs to refactor a node.js depdendency

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

Remove all unused kernels with apt-get
This will remove all installed kernels on your debian based install, except the one you're currently using. From: http://tuxtweaks.com/2009/12/remove-old-kernels-in-ubuntu/comment-page-1/#comment-1590

Insert a colon between every two digits
I sometimes have large files of MAC addresses stored in a file, some databases need the information stored with the semicolon (makes for easier programming a device) others don't. I have a barcode to text file scanner which usually butchers MAC addresses so this was the fix> I initially did this in awk ;) awk '{for(i=10;i>=2;i-=2)$0=substr($0,1,i)":"substr($0,i+1);print}' mac_address_list

Tweet from Terminal to twitter !
Tweeting from terminal to twitter accounts..

Show errors in the kernel ring buffer
Much more useful then parsing syslog


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