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Clone current directory into /destination verbosely
Copy every file from current directory to destination preserving modification time.

Quickly display a string as Qr Code
Takes the first argument (string) and display a Qr code version of that.

Downmix first audio stream from 7.1 to 5.1 keeping all other streams
Useful for Roku which does not support 7.1. Useful resources: - https://trac.ffmpeg.org/wiki/Map - https://trac.ffmpeg.org/wiki/Encode/HighQualityAudio - https://superuser.com/questions/852400/properly-downmix-5-1-to-stereo-using-ffmpeg

list files recursively by size

easily strace all your apache processes
This one-liner will use strace to attach to all of the currently running apache processes output and piped from the initial "ps auxw" command into some awk.

Generate random valid mac addresses
Python Alternative

Watch memcache traffic
View all memcache traffic

List docker volumes by container

Find all plain text files that do not contain STRING

Second pass dvd rip... The set of commands was too long, so I had to separate them into two.
This set of commands will rip a dvd title using a 2 pass mencoder xvid encode. It will provide a great quality rip. It will rip as close to 700MB as possible. (note the bitrate of -700000) Enjoy!


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