Commands by farwarx (2)

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List your largest installed packages (on Debian/Ubuntu)
dpigs is in the package debian-goodies (debian/ubuntu)

draw line separator (using knoppix5 idea)

Permanent mysql ssh tunnel to server

Have your sound card call out elapsed time.
Useful contexts : You are doing yoga or some other physical training in which you are holding a position. Or you practice the pomodoro productivity technique. Or your girlfriend said "We're leaving in 40 minutes". Design details: sleep executes before espeak to give you a 5 seconds head start. espeak is run in the background so it doesn't mess up the timing.

Vectorize xkcd strips
Uses ImageMagick and potrace to vectorize the input image, with parameters optimized for xkcd-like pictures.

Paste OS X clipboard contents to a file on a remote machine
Redirects the contents of your clipboard through a pipe, to a remote machine via SSH.

Prepare B&W scans for clean looking, searchable PDF
Scan pages in, clean them up in an image editor, save to individual files. Use this command to convert each page to PDF. Combine in Acrobat Professional, and use the built-in OCR with the "Searchable Image (Exact)" option. Gives excellent image quality and file size (avoids awful JPEG image recompression that Acrobat and other OCR systems tend to do.)

File rotation without rename command
Rotates log files with "gz"-extension in a directory for 7 days and enumerates the number in file name. i.e.: logfile.1.gz > logfile.2.gz I needed this line due to the limitations on AIX Unix systems which do not ship with the rename command.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Git diff last two commits
How about this one ?

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