mehdishahdoost/secure-ubuntu-server.md

## secure-ubuntu-server.md

      
    Raw
  

              secure-ubuntu-server.md
            
          
    Create user with sudo access

sudo adduser <username>
sudo usermod -aG sudo <username>
su — <username>

Change sshd configs

vim /etc/ssh/sshd_config
PermitRootLogin no
PasswordAuthentication no
ClientAliveInterval 300
ClientAliveCountMax 0
port 2326
X11Forwarding no

restart service
sudo service sshd restart