How do you close "smtp port 25" on ubuntu, xubuntu ?

How do you close "smtp port 25" on ubuntu, xubuntu ?

You probably have Postfix installed and running.


$ sudo apt-get remove postfix

Window Manager or Window Borders doesn't load

When Window Manager or Window Borders doesn't load in xubuntu
do the next;

open Terminal, Terminator or ALT+F2

$ rm -rf ~/.cache/sessions

$ xfwm4 --replace &

Install Medibuntu on Ubuntu 12.04 LTS Precise Pangolin

Install Medibuntu on Ubuntu 12.04  LTS  Precise Pangolin

$ sudo -E wget --output-document=/etc/apt/sources.list.d/medibuntu.list http://www.medibuntu.org/sources.list.d/$(lsb_release -cs).list && sudo apt-get --quiet update && sudo apt-get --yes --quiet --allow-unauthenticated install medibuntu-keyring && sudo apt-get --quiet update

$ sudo apt-get install app-install-data-medibuntu apport-hooks-medibuntu

Check md5sum of ISO on Linux

Check md5sum of ISO on Linux

Open Terminal, Terminator or any coomand line:

$ cd ~/Downloads

$ md5sum FILE-NAME