How to Install build-essentials in CentOS or Ubuntu

Installing build-essential in Ubuntu or CentOS

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

How to Fix Ubuntu Permission Denied When Using sudo Command

Fixing permission denied in Ubuntu when using sudo

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

How to Restart Ubuntu X Window Server From Command Line

Ubuntu restart X Server from command line

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

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

MySQL

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 … Read more