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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
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polls the pirate bay mirrors list and chooses a random site and opens it for you in firefox
Given a hosts list, ssh one by one and echo its name only if 'processname' is not running.
Monitoring system in one line :
DISK : disk space
MEM: memory ( mem , swap, Total)
CPU : all information about cpu activity
LOAD : load average
Top 30 History Command line with histogram display
capture 2000 packets and print the top 10 talkers
Caution: distructive overwrite of filenames
Useful for concatenating pdfs in date order using pdftk
Reduced to only one command. :)
Thx Mass1 for the sharing
This command makes a small graph with the histogram of size blocks (5MB in this example), not individual files. Fine tune the 4+5*int($1/5) block for your own size jumps : jump-1+jump*($1/jump)
Also in the hist=hist-5 part, tune for bigger or smaller graphs
Calculate the date of Sysadmin day (last Friday of July) of any given year
Downloads a CRL file, determines the expiration time, and checks when it will expire
Great for moves, re-installs etc since it is not version specific yet is architecture specific.
Centos yum list is well know for wrapping lines .
Recently in Debian Wheezy the dpkg command refuses to work with wildcards, so this is the one-liner alternative. (alternative to #13614)
Recently in Debian Wheezy the dpkg command refuses to work with wildcards, so this is the one-liner alternative.
Gets the Hardware UUID of the current machine using system_profiler.
I just use this to see my ip on the server I'm working on