Commands by benjabean1 (6)

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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.

Rename files in batch

Creating ISO Images from CDs/DVDs
create an iso from your cd/dvd-rom device . You need to umount /dev/cdrom before using the cli

Generate a random password 30 characters long

Install pip with Proxy
Installs pip packages defining a proxy

IP addresses connected to port 80
IP addresses and number of connections connected to port 80.

Kill a process by its partial name
pkill is a standard command and kills processes Byte part of their name.

Remove old kernel packages

Append stdout and stderr to a file, and print stderr to the screen [bash]
Useful for cron jobs -- all output will be logged but only errors will cause email to be sent. NB the order of "2>&1" and ">> logfile" is important, it doesn't work if you reverse them (everything goes to the logfile, nothing left for tee).

Count number of bytes that are different between 2 binary files


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