CentOS 7.0

How to Change RunLevel on CentOS 7 / RHEL 7

In Linux operating systems, specifically Redhat Enterprise Linux (RHEL) and CentOS, the method to change the runlevel via /etc/inittab has become obsolete as of RHEL 7 and CentOS 7. These…

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How to Change Hostname on CentOS 7.0/RHEL 7.0

In web hosting environments, the ability to change the hostname of your server is a crucial skill. This tutorial is designed for webmasters and website administrators who are using CentOS…

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How to Check Opened Port on Linux VPS Server

In the Linux operating system, the “netstat” command can be used to check the opened ports on a VPS (Virtual Private Server) server. Opened ports are important to identify because…