SSH Essentials: Working with SSH Servers, Clients, and Keys
SSH is a secure protocol used as the primary means of connecting to Linux servers remotely. It provides a text-based interface by spawning a remote shell. After connecting, all commands…
How To Configure SSH Key-Based Authentication on a Linux Server
SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a Linux server you may often spend much of your time in…
How to Set Up SSH Keys on Ubuntu 20.04
SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with an Ubuntu server, chances are you will spend most of your time…
What is the Linux Kernel and What Does It Do?
A kernel is the lowest level of easily replaceable software that interfaces with the hardware in your computer. It is responsible for interfacing all of your applications that are running…
Linux Permissions Basics and How to Use Umask on a VPS
Linux permissions allow a file or directory owner to restrict access based on the accessor's relationship to each file. This allows for control schemes that provide varying levels of access…
Initial Server Setup with Ubuntu 20.04
When you first create a new Ubuntu 20.04 server, you should perform some important configuration steps as part of the initial setup. These steps will increase the security and usability…
How To Install Apache Tomcat 10 on Ubuntu 20.04
Apache Tomcat is a web server and servlet container that is used to serve Java applications. It’s an open source implementation of the Jakarta Servlet, Jakarta Server Pages, and other…
How to install Java JDK on Ubuntu
This tutorial shows you how to install OpenJDK 8, 11, 16, and other JDK builds on Ubuntu 20. Use APT to Install JDK (OpenJDK 8 and 11) . If we…
How to Install Tomcat 9 on Ubuntu 18.04
Tomcat, often called Apache Tomcat, is one of the most popular applications designed to execute a Java servlet and render web servers with Java page coding.It is an open-source application…
How to install Tomcat 7 on Ubuntu 18.04
Tomcat, often called Apache Tomcat, is one of the most popular applications designed to execute a Java servlet and render web servers with Java page coding. It is an open…