UFW(uncomplicated firewall) is a default firewall comes pre-installed on all Ubuntu servers. UFW is a simple firewall to use and you can easily manage it. We will talk about how to configure UFW firewall on Ubuntu for a web server.
The default behavior if you spin up a new server is to login with username and password. Some cloud based providers also provides key based authentication now. If you have just password based login, read on how to authenticate via private key to your Linux server.
If you own or manage Linux servers, you know how it feel when there are updates and you haven't touched it for weeks or months because of work load. Read on how to install the important security updates automatically on Ubuntu server.
OpenProject is another web based project management tool written in Ruby and Angular available under GPLv3 license. If you want to give it a try and know what it offer, follow this article to setup OpenProject on Ubuntu 20.04.