By default, Ubuntu Server does not come with OpenJDK installed. OpenJDK must be installed manually from the repository. However, sometimes even after running “sudo apt-get update”, the OpenJDK package is not found on the repository, even though it should be available for installation. The installation … Read more
Linux is an operating system suited for software development. In Linux, you can build and run various software written in different languages, such as C, C++, Python, and Java. However, in default, mainstream Linux distributions do not bundle development tools – they have to be … Read more
CentOS is a versatile Linux distribution that allows you to install various applications, covering a lot of your needs. One of the niches that CentOS covers nicely is to be a server, particularly TFTP server. What is TFTP, and how is it different from a … Read more
Sudo, or “superuser do” is a very powerful command in Linux. It essentially allows you to run the command as root, the highest level of user in the Linux hierarchy, and analogous to administrator user account in Windows. Root users can execute very sensitive commands, … Read more
Nowadays, the use of virtual machines is widespread as virtualization allows you to run more than one operating system on one computer at the same time. One of the most popular hypervisors to run virtual machine is VMware. With VMware Workstation, you can install various … Read more
Most of Linux users are already familiar with the sudo command available from the terminal. The sudo command allows user able to run programs or commands with administrator privileges – usually can only be run by root user. If you ever need to add a … Read more
In today’s Linux guide, I’ll show you how to restart Ubuntu X Server from the command line or terminal. In some cases session might freezes and you’re stuck because don’t know what to do to resolved it. If you’re wondering, X Server provides you with … Read more
The latest stable version of PHP 7.4.0 has been released to the public a few days ago and brings many improvements, as well as new features. It’s generally available for public since November 28 2019, so we can safely use PHP 7.4 on our server. … Read more
Using an obsolete PHP version is clearly not recommended, especially for a web hosting environment. However, in some cases you might encounter compatibility issues with your web software system requirements with a PHP version you’re using, which ultimately requires you to use an older PHP7 … Read more
If you’ve read our previous tutorials, you should understand how to install and setup the LEMP stack on the Ubuntu LTS server. Installing the LEMP stack on the Ubuntu LTS and CentOS servers is very different. Well, in this tutorial we will guide you on … Read more