Commands by Garretjacob (0)

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Get full from half remembered commands
Show all commands having the part known by you. Eg: $apropos pdf | less

Find out when your billion-second anniversary is (was). (on OS X)
This is the same command as this one, but for OS X. http://www.commandlinefu.com/commands/view/3053/find-out-when-your-billion-second-anniversary-is-was.

Substitute audio track of video file using mencoder
Creates a new video file with video stream copied from input file and a different audio stream

Explanation of system and MySQL error codes
perror should be installed if mysql-server package is installed

Rename files in batch

convert a mp4 video file to mp3 audio file (multiple files)

Generate a certificate signing request (CSR) for an existing private key. CSR.csr MUST be exists before
CSR.csr MUST be exists before

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

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Colorized grep in less
Get your colorized grep output in less(1). This involves two things: forcing grep to output colors even though it's not going to a terminal and telling less to handle those properly.


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