Commands by int19h (4)

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Btrfs: Find file names with checksum errors
Btrfs reports the inode numbers of files with failed checksums. Use `find` to lookup the file names of those inodes. The files may need to be deleted and replaced with backups.

Convert a flv video file to avi using mencoder

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"

Write comments to your history.
A null operation with the name 'comment', allowing comments to be written to HISTFILE. Prepending '#' to a command will *not* write the command to the history file, although it will be available for the current session, thus '#' is not useful for keeping track of comments past the current session.

Instead of saying RTFM!

Twitpic upload and Tweet

add the result of a command into vi
':r!ls -l' results in listing the files in the current directory and paste it into vi

Lookup your own IPv4 address

Recall “N”th command from your BASH history without executing it.

Coping files, excluding certain files
Preserve file structure when coping and exclude some file o dir patterns


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