How to Monitor your CentOS 7 Server using Cacti

Cacti is a free and open source network graphing solution. It uses RRDTool for data gathering and graphing. It provides many features such as remote and local data collectors, network discovery, device management automation, graph templating etc. In this tutorial, we will install Cacti on CentOS 7 server. Prerequisite Minimal CentOS 7 server Root privileges… Read More »

Category: VPS

How to Upgrade Kernel on CentOS 7

The Kernel is the brain for an operating system. It’s like the core element of every OS. Speaking of Linux, the Linux kernel – created by Linus Torvalds – is a monolithic, Unix-like kernel. Some popular OSs that use the Linux kernel are Ubuntu, CentOS, and Debian. In this tutorial, I will show you how… Read More »

Category: VPS

How to Save Command Output to a File in Linux

There are many things you can do with the output of a command in Linux. You can assign the output of a command to a variable, send it to another command/program for processing through a pipe or redirect it to a file for further analysis. In this short article, I will show you a simple… Read More »

Category: VPS

How to Clear BASH Command Line History in Linux

The bash history keeps a record of all commands executed by a user on the Linux command line. This allows you to easily run previously executed commands by using the “up arrow” or “down arrow” keys to scroll through the command history file. In this article, we will show you two simple ways to clear… Read More »

Category: VPS

How to Get Domain and IP Address Information Using WHOIS Command

WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information. The protocol stores and delivers database… Read More »

Category: VPS

How to change PHP version on cPanel

How to change PHP version on cPanel In some cases, correct functioning of your website depends on a PHP version installed on the server. This guide describes how to change php version on shared servers PHP Selector function, it is possible to select the necessary PHP version as well as enable/disable certain PHP modules and… Read More »

How to Check Service Status and Server Information in WHM

How to Check Service Status and Server Information in WHM This tutorial is helpful to check the server status of various services and server information in WHM. View the Services Currently Running on the Server 1. Log in to your WHM. 2. Click the Server Status link in the left navigation menu. Once you’ve clicked… Read More »

Category: VPS

8 useful touch commands

In Linux every single file is associated with timestamps, and every file stores the information of last access time, last modification time and last change time. So, whenever we create new file, access or modify an existing file, the timestamps of that file automatically updated. In this article we will cover some useful practical examples… Read More »

Category: VPS

How to Set or Change Hostname in CentOS 7

A computer hostname represents a unique name that gets assigned to a computer in a network in order to uniquely identify that computer in that specific network. A computer hostname can be set to any name you like, but you should keep in mind the following rules: 1.hostnames can contain letters (from a to z).… Read More »

Category: VPS

Basic Who commands

This article will explain some useful examples of who command for Linux newbies. 1. If you run who command without any arguments, it will display account information (user login name, user’s terminal, time of login as well as the host the user is logged in from) on your system similar to the one shown in… Read More »

Category: VPS