Commands tagged Matrix (7)

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Connect via sftp to a specific port
I use this for connect via sftp to a server listening on a non default ssh port.

get a rough estimate about how much disk space is used by all the currently installed debian packages
The vaule is expressed in megabytes

find and delete empty directories recursively
this will show the names of the deleted directories, and will delete directories that only no files, only empty directories.

pimp text output e.g. "Linux rocks!" to look nice

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.

analyze traffic remotely over ssh w/ wireshark
Please check out my blog article on this for more detail. http://jdubb.net/blog/2009/08/07/monitor-wireshark-capture-real-time-on-remote-host-via-ssh/

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

Find default gateway (proper at ppp connections too)

Generate a Google maps URL for GPS location data from digital photo
This command uses the "exiftool" command which is available here: http://www.sno.phy.queensu.ca/~phil/exiftool/ NB, there should be a degree symbol right after the first "%d" NOT a question mark. For some unknown reason, commandlinefu is not able to handle degree symbol correctly ("?")?

Search some text from all files inside a directory


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