SHA256:Wewuzm5MjMkiTQA4zFKPpGWpOcEE7TGRlFSgYGpsWHE Your public key has been saved in /home/sysadmin/.ssh/id_rsa.pub
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Your identification has been saved in /home/sysadmin/.ssh/id_rsa Sample output: Generating public/private rsa key pair.Įnter file in which to save the key (/home/sysadmin/.ssh/id_rsa):Įnter passphrase (empty for no passphrase): Linux users can use the following command, and Windows users use puttygen.exe to generate ssh key pair. To configure this, create an ssh key pair on your local system.
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This is strongly recommended to use key-based ssh login instead of password login. Disable Root SSH Login – Also you would like to disable root login via ssh.Change Default Port – It will be good to change default ssh port as default ports are always on attackers.To change default port edit OpenSSH configuration file /etc/ssh/sshd_config and do the following changes. We recommended changing the default SSH port, it helps you to secure your system from hack attempts. Now add the newly created user to the sudo group, So that it can get all sudo privileges. Let’s create an account for system administration and enable sudo access for that. We never recommend using root user to work on Ubuntu 20.04.
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Now, execute the following commands to update apt cache and upgrade all packages on your system. Upgrade Your Systemįirst of all, log in to the Ubuntu 20.04 system via the system terminal. This tutorial includes steps that are useful for configuring for a server to apply basic security to the server.įollow the below steps. Now after installing the Ubuntu server 20.04 server, proceed for the post-installation steps on your server. We recommend using the LTS version of Ubuntu for your servers like Ubuntu 20.04 LTS (Focal Fossa). In this tutorial, we are assuming that you already have fresh installed Ubuntu Ubuntu 20.04 LTS (Focal Fossa) server.
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