Commands by thiagogo (0)

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Averaging columns of numbers
This example calculates the averages of column one and column two of "file.dat". It can be easily modified if other columns are to be averaged.

Take a file as input (two columns data format) and sum values on the 2nd column for all lines that have the same value in 1st column
Example: $ cat

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Search some text from all files inside a directory

run command on a group of nodes in parallel
The pee command is in the moreutils package.

Broadcast your shell thru UDP on port 5000
Better solution in case of many clients, imo.

tar the current directory wihtout the absolute path
tars the current directory (and its children) in an archive of the same name (plus ".tar" :)) in the parent directory without the absolute path, so that when the archive is extracted, only the current directory name is created for the path. Assumes bash/zsh.

Read info(1) pages using 'less' instead of GNU Texinfo
I like man pages, and I like using `less(1)` as my pager. However, most GNU software keeps the manual in the 'GNU Texinfo' format, and I'm not a fan of the info(1) interface. Just give me less. This command will print out the info(1) pages, using the familiar interface of less!

delete at start of each line until character
GNU grep's PCRE(Perl-compatible regular expressions).

remove password from openssl key file
Strip a password from a openssl key to use with apache httpd server

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