Commands by eddieb (3)

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How to trim a video using ffmpeg
Will trim the video to 4 seconds starting from the beginning. The -vcodec , -acodec options are required so that ffmpeg knows in what video/audio format you want for the new video.

Randomize lines (opposite of | sort)
Randomizes a file. The opposite of sort is sort -R!

back ssh from firewalled hosts
host B (you) redirects a modem port (62220) to his local ssh. host A is a remote machine (the ones that issues the ssh cmd). once connected port 5497 is in listening mode on host B. host B just do a ssh 127.0.0.1 -p 5497 -l user and reaches the remote host'ssh. This can be used also for vnc and so on.

Find out which process uses an old lib and needs a restart after a system update
Shows the full output of lsof.

quickly backup or copy a file with bash
less symbols, tab completion. including # export SIMPLE_BACKUP_SUFFIX="_`date +%F`" in your .bashrc provides you to easily timestamp your files

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

list files recursively by size

Download an entire website from a specific folder on down

Quick case-insenstive partial filename search
This is a simple command, but extremely useful. It's a quick way to search the file names in the current directory for a substring. Normally people use "ls *term*" but that requires the stars and is not case insensitive. Color (for both ls and grep) is an added bonus.

String to binary
Cool but useless.


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