Nothing is worse than trying to provide a login in SSH and you misspell the username. Client comes complaining that it doesn’t work because the login you provided differs from what you actually typed into the terminal. The notorious whoops.

Below is the easiest way to change the username.

# usermod -l NEWUSER OLDUSER ( Read more... )

Big title, easy solution.

In linux, you should login and have a home folder for your user. In your home folder there should be a .ssh folder as well. Inside this folder will be your .ssh config settings, private keys, known_hosts, etc. How about we add one more called config.

This is what I have:

ls -al ~/.ssh/-rw-rw-r-- 1 havoc havoc 104 Nov ( Read more... )

Instead of using the kill command one by one, just throw it in a for statement and let it kill the processes all at once.

for i in `ps aux | grep 'sshd: root' | grep ? | awk '{print $2}'`; do kill -9 $i; done