Commands tagged comm (3)

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Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

Daily watch "question pour un champion" (French TV show)
kaffeine could be replaced by any player able to read mms stream

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

check open ports without netstat or lsof

OpenSSL one line CSR & Key generation

Using mplayer to play the audio only but suppress the video
Sometimes you only want to linsten the audio while output the video will be a waste of CPU resource and an annoying window. With option -vo null, you will enjoy the audio!

Update pandoc via cabal
An alternative to built-in package manager, keep pandoc in sync with upstream releases.

Force the script to be started as root
Place this code at the beginning of your script to ensure that it can only be executed by the root.

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

generate random password
-B flag = don't include characters that can be confused for other characters (this helps when you give someone their password for the first time so they don't cause a lockout with, for example, denyhosts or fail2ban) -s flag = make a "secure", or hard-to-crack password -y flag = include special characters (not used in the example because so many people hate it -- however I recommend it) "1 10" = output 1 password, make it 10 characters in length For even more secure passwords please use the -y flag to include special characters like so: $ pwgen -Bsy 10 1 output>> }&^Y?.>7Wu


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