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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 will fail with the following error: user@computer:~/Java$ sudo apt-get install …

How to Fix “unable to locate package openjdk-8-jdk” in Ubuntu Server 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 installed separately through the package manager upon successful installation of …

How to Install build-essentials in CentOS or Ubuntu 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, such as formatting a hard drive and installing new hardware …

How to Fix Ubuntu Permission Denied When Using sudo Command 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 graphical desktop interface in the Linux environment. X server can …

How to Restart Ubuntu X Window Server From Command Line Read More »

When we installed and configured VestaCP with the Ubuntu 18.04 LTS server we got a serious error message with the MySQL 5.7 database server. This error message was clearly seen after the initial installation process of VestaCP was completed, where we had a problem when configuring the database for the web. This problem allows us …

How To Fix MySQL Plugin ‘auth_socket’ is not loaded” Read More »

Running LEMP Stack (Linux, Nginx, MySQL/MariaDB, and PHP) without a control panel will certainly be quite difficult for beginners. Well, if you have LEMP Stack running on your cloud server, surely you will need a web-based interface administration tool to handle your MySQL or MariaDB database server. Out there we have two choices of administration …

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If you’re running Nginx on an Ubuntu LTS Server, you might want to configure your server with MultiPHP Version. Of course, this is very useful if you have a site that is only compatible with old stable PHP versions, or some of your web applications require a different PHP version. For example, WordPress as the …

How To Install MultiPHP Version with Nginx on Ubuntu 16.04/18.04/19.04 LTS Server Read More »