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PulseAudio + Wine

AD connection in RHEL6

Double tunnel:

ssh -L 7777:<IP of target machine>:22 -p <port to gateway machine> <account name on gateway machine>@<IP of gateway machine> -N
ssh -p 7777 <account name on remote machine>localhost -X

Last argument:

In bash, pressing Esc + . produces the last argument of the previous command.

Ignore case on tab completion:

echo "set completion-ignore-case on" > ~/.inputrc

Get the second last column with awk:

cat file | awk '{ print $(NF-1)}'

diff with a file on a remote host:

ssh {remote_host} cat {remote_file} | diff {local_file} -

Increasing entropy

Install rng-tools. Edit the conf file (/etc/default/rng-tools in Debian) and set HRNGDEVICE=/dev/urandom. Start the rng-tools service.