If you're a newbie to Ubuntu, setting up your server can be a bit daunting. But worry not, we've got you covered. In this post, we'll walk you through the initial server setup process using Ubuntu 20.04, 18.04, or 16.04.
To get started, you'll need to create a new user account with sudo privileges. This means you'll have administrative rights to perform any system-level task. Once you've created the new user account, you'll want to set up a strong and secure password to protect your server from any unwarranted access.
Next, you'll want to set up a firewall to protect your server from malicious users. Ubuntu comes with a pre-installed firewall called 'ufw', and we'll show you how to enable it and configure it to suit your needs.
After setting up the firewall, you'll want to install essential system services such as SSH, DNS resolver, and NTP client to ensure your server runs smoothly. In Ubuntu 20.04, the DNS resolver is systemD resolved, which we'll explain how to check its status and configure it correctly.
You'll also want to make sure your server is up-to-date with the latest security updates and packages. We'll show you how to update your server and set up automatic updates to keep your system secure.
Finally, we'll show you how to disable root login and set up a public key authentication to log in securely to your server. By the end of this initial server setup process, you'll have a secure and robust server that's ready to deliver your applications or websites to your users.
So whether you're a developer, sysadmin, or just someone looking to host a personal website, our guide to initial server setup with Ubuntu has got you covered.
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