Commands by douglas (1)

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Comment out all lines in a file beginning with string

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"

Download all images on a 4chan thread

Generate a graph of package dependencies
Requires: imagemagick and graphviz On Debian systems, displays a graph of package dependencies. Works also with other image formats, like svg : $ apt-cache dotty bash | dot -T svg | display

Download all mp3's listed in an html page

Write on the console without being registered
http://www.linux-party.com/index.php/8157-escribir-en-la-consola-linux-sin-que-quede-registrado-en-el-history

Convert multiple flac files to mp3
make sure that flac and lame are installed sudo apt-get install lame flac

Put a console clock in top right corner
Gives not only date but also some interesting status about the System

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.

MySQL dump restore with progress bar and ETA
Display a progress bar while restoring a MySQL dump.


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