Articles

 "You have new mail in /var/spool/mail/root" - Delete Mail

While logged in as root user, you may get an alert similar to: You have new mail in...

 "You have new mail in /var/spool/mail/root" - Reading Mail

While logged in as root user, you may get an alert similar to: You have new mail in...

 508 Resource Limit is Reached

If your website is on a cPanel hosting account, you may have noticed the following error message:...

 Bind Additional IPs to NIC - CentOS & Apache

This article explains the process of binding multiple IP addresses to the Network Interface Card...

 Create PKCS #12 Archive from Command Line Using OpenSSL

The PKCS#12 or PFX format is a binary format for storing the server certificate, any intermediate...

 Delete Login History on Linux Server

On the Linux systems there are three standard commands that show the information about last...

 Disable Network Manager on CentOS 6

This article will provide the steps to disable Network Manager in CentOS 6. Network Manager is...

 Disable Network Manager on CentOS 7

This article will provide the steps to disable Network Manager in CentOS 7. Network Manager is...

 Disable SELinux in CentOS 7

This article will provide the steps to disable SELinux in CentOS 7. SELinux is a security...

 Enable Browser Caching with cPanel Includes Editor

Enable browser caching to reduce website loading times, reduce server load, and reduce bandwidth...

 Enable Browser Caching with htaccess File

Enable browser caching to reduce website loading times, by taking advantage of caching of...

 Forcing HTTP Requests to HTTPS with htaccess

This article provides a guide for redirecting HTTP traffic to HTTPS using your website's...

 Generating CSR and Private Key on Apache ModSSL Server

This guide demonstrates the process of generating a Certificate Signing Request (CSR) and Private...

 HTTP Error 503 Service Unavailable

If your website is on a cPanel hosting account, you may have noticed the following error message:...

 How to Change MySQL User Password in Linux Server

MySQL and MariaDB are the most popular open source database systems meant for Linux based...

 How to Change Root Password Using SSH

This article explains the method of changing the root password on a Linux Server using SSH....

 How to Create Sudo User on CentOS

This article provides step-by-step setup guide for adding Sudo user to CentOS system. The sudo...

 How to Find the Public IP Address of Linux Server

This guide will provide steps to find the public IP address for Linux VPS or dedicated servers....

 How to Use Sudo

This article provides a guide to using a Sudo user on CentOS server. From the command line,...

 Import SSH Keys on CentOS 7 Server

This article provides a guide for importing SSH keys to CentOS 7 VPS server or Dedicated Server....

 Install EPEL with PowerTools for CentOS 8

This tutorial provides a guide to install EPEL with PowerTools for CentOS 8 VPS or dedicated...

 Locating php.ini file

A critical file you often need to manage is the php.ini file. It controls many import aspects of...

 Modify Server Hostname Using SSH in CentOS

Change the hostname on a running system On any Linux system, the hostname can be modified using...

 Modify Directory and Subdirectory Permissions

This article demonstrates the process of chmod file and subfolder permissions per directory,...

 Online htaccess File Generator

Instructions Fill the options and push "generate" button in order to get your .htaccess...

 Recursive Find and Replace Command Line Method

Reference this guide for help with mass find-and-replace file manipulation in Linux servers....

 Set Server Time Zones with Timedatectl

This article provides a guide to setting the server time and server time zone settings using...

 Update CentOS Server Packages with Yum

This guide provides step-by-step tutorial for updating a CentOS server's core packages using the...

 Using htaccess File to Block IPs

If your webserver is Apache, you may block access to your website from specific IP addresses...

 View Server PHP Environment with phpinfo.php

The phpinfo() function outputs a huge amount of information about the system you're using, such...

 htaccess RewriteRule Examples

Here are some useful mod_rewrite RewriteRule redirect examples that you can use in your .htaccess...