Stupid Linux Tricks

Fun Stuff

• Format JSON from the command line with: jq

Lock Down Account

adduser <user>
id <user>

# For sudo permissions for your new admin user, use the following command.

echo '<user> ALL=(ALL) ALL' >> /etc/sudoers

vi /etc/ssh/sshd_config

# Change this line:

#PermitRootLogin yes

# Edit to this:

PermitRootLogin no

# Ensure that you are logged into the box with another shell before restarting sshd to avoid locking yourself out of the server.

Use Private Key for login

Run the following command on the machine that you will be sshing from.

ssh-keygen -t rsa -b 2048 -v
ssh-copy-id -i ~/hetzner.pub [email protected]

Add a user to the Sudoers Group

sudo usermod -aG sudo <user>