Commands by tokland (1)

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

Convert all .flac from a folder subtree in 192Kb mp3
find . -type f -iname '*.flac' # searches from the current folder recursively for .flac audio files | # the output (a .flac audio files with relative path from ./ ) is piped to while read FILE; do FILENAME="${FILE%.*}"; flac -cd "$FILE" | lame -b 192 - "${FILENAME}.mp3"; done # for each line on the list: # FILE gets the file with .flac extension and relative path # FILENAME gets FILE without the .flac extension # run flac for that FILE with output piped to lame conversion to mp3 using 192Kb bitrate

Delete Empty Directories
Deletes empty directories and prints an error if directory is not empty.

check open ports without netstat or lsof

Show device drivers and their properties (Windows XP)
Show device drivers and their properties, including digital signatures /si and in table format /fo.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Make vim open in tabs by default (save to .profile)
I always add this to my .profile rc so I can do things like: "vim *.c" and the files are opened in tabs.

OpenSSL one line CSR & Key generation

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Screenshot Directly To Clipboard
This will take a screenshot of a selected area and save it as foo.png as well as sending it straight to the clipboard for pasting into GIMP, Anki, Zim, etc.

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