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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)

Drop all tables from a database, without deleting it
Uses two comands, requieres mysqldump, but works as expected.

List by size all of the directories in a given tree.

Generate a (compressed) pdf from images
use imagemagik convert

Broadcast your shell thru ports 5000, 5001, 5002 ...
run 'nc yourip 5000', 'nc yourip 5001' or 'nc yourip 5002' elsewhere will produce an exact same mirror of your shell. This is handy when you want to show someone else some amazing stuff in your shell without giving them control over it.

check open ports without netstat or lsof

automatically ditch old versions in a conflict
This is not exactly a commandline, but a vim macro to automatically ditch the "old" version of a conflict when dealing with the naster

Create a listing of all possible permissions and their octal representation.

ubuntu tasksel
The command tasksel allows the choice of packages from the command line to get predefined configurations for specific services (usually this option is offered during installation).

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


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