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( seq 1 8 200 ; seq 6 8 200 ) | sort -n | xargs -I{} -n 1 dig +short -x 206.214.251.{} # Star Wars Episode IV in Reverse DNS.
mkdir -p {0..255}/{0..255} # Generate 0 through 255 directories with 0 through 255 subdirectories inside each in one command.
":-P" -- Albert Einstein
PS1=':$( [ $? == 0 ] && echo ") " || echo "( " )' # Emoticon prompt for BASH shows return status as emoticon.
Skimming through config files got so much better right now: In less(1) enter &^[^#] and, presto!, all comments are gone. Thx @m_strehl
<3 BSD
So hopefully you'll be able to defuse the "tar bomb" if you ever are in that situation. Sorry BSD users but you are goners. ;-) #xkcd
tar xvf archive.tar.bz2 # If you didn't know, GNU tar now auto-detects the compression algorithm you need. No option required.
separator(){ printf '%*s\n' $(tput cols) '' | tr ' ' -; } # Function to draw a dividing line in a terminal. Thx @Fluffkin
!!:s/right/rite/ # Fix a typo in the previous command. :-(
make config && make dep && make zImage # This used to be a right of passage for most Linux users. Today few recognize it. #linuxevolves
Happy 23rd Birthday Linux! You are much more than "just the kernel".
Subject: F**k binary # I have to admit, this spam subject did make me run "look f | egrep ^f..k$"
join -o 1.1,2.2,1.3,1.4,1.5,1.6,1.7 -1 1 -2 1 -t: passwd shadow # Merge files together based on fields. -o specifies output format.
jpegtran -rotate 90 -outfile rot90.jpg image.jpg # jpegtran also rotates images, but without quality loss like IM convert. Thx @kaihendry
"What's a pirate sysadmin's favorite command? xargs" --@ljheidel
"What's a pirate sysadmin's favorite command? rsh" --@ljheidel
"What's a pirate sysadmin's favorite command? rsync" --@ljheidel
"What's a pirate sysadmin's favorite command? tar" --@ljheidel
Here, I'll give you a choice, you can choose to like/retween which one you like.
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