Open /etc/ssh/sshd_config using your text editor of choice and ensure these lines: You can upload your pre-generated SSH key to your new server using the ssh-copy-id command: $ ssh-copy-id you can log into your new server without having to type in a password. You'll want to use an SSH key to log into your new server. Give your new user account sudo rights by appending ( -a) the sudo group ( -G) to the user's group membership: $ usermod -a -G sudo 3. Start out by creating a new user: $ adduser Instead, create your own account (" "), give it sudo rights, and use it to log into your server. You should never log into your server as root. On Fedora, CentOS, or RHEL: $ sudo dnf upgrade 2.
#AUTHENTICATION SERVERS ARE DOWN UBUNTU SERVER MINECRAFT UPDATE#
On Ubuntu and Debian: $ sudo apt update & sudo apt upgrade -y The first thing you should do to secure your server is to update the local repositories and upgrade the operating system and installed applications by applying the latest patches. I also encourage you to research this material and extend it where applicable. While it focuses on Debian/Ubuntu, you can apply everything presented here to other Linux distributions. This primer will introduce you to basic Linux server security. Running Kubernetes on your Raspberry Pi.A practical guide to home automation using open source tools.6 open source tools for staying organized.An introduction to programming with Bash.A guide to building a video game with Python.