Articles

 Building a KMS Server For MS Products' Activation

The tutorial is for those people, who wish to set up their own KMS server with...

 Disk Health Check with Hard Disk Sentinel Linux Edition

First of all, download the latest version of HDSentinel on your server and extract the archive:...

 Failed to download metadata for repo ‘AppStream’

We're writing the tutorial to fix the issue of the mentioned title, because, one of our clients...

 Find the IP address of the client in an SSH session

You could use the command: server:~# pinky that will give to you something like this: Login...

 Fix - Nginx socket() failed (24: Too many open files)

If you have an issue with NGINX like the followings (the output of error_log file): [crit]...

 Google Drive Backup Plugin Problem with aaPanel

Run the following command lines to fix the issue with aaPanel related to the Google Drive plugin...

 How to Install Poptop VPN Server on CentOS 7

Continuing the VPN series, today we cover Poptop, or pptpd. It is easier to configure than other...

 How to Manage a Webuzo v3 Server for Production Usage

First of all, make sure to install Webuzo v3 on your CentOS/Ubuntu server. If you haven't...

 How to add welcome message when SSH start?

You need to change the contents of /etc/motd. Unfortunately, by default, /etc/motd is a link to...

 How to change CLI PHP Version on CyberPanel

Before proceeding with the changes, first of all, we've to check the current CLI PHP version, so...

 How to change root password when SSH logged in

Run the following command: passwd Now type your new passwordOnce done, retype new passwordDone!...

 How to check if Redis connection Establishes with PHP?

In order to check if the Redis connection establishes successfully on your website with PHP,...

 How to clean YUM cache in CentOS / RHEL?

What is yum?The Yellowdog Updater, Modified (yum) is an open-source command-line...

 How to expand the allocated space of /tmp in Linux?

On a Linux server /tmp partition was only 1 GB, it gets full at times, no matter how many times...

 How to extract .tar.gz files in Linux/UNIX OS

A tarball is a group of files that are bundled together using the tar command. Use the...

 How to fix Dovecot/Postfix Issue/s with CyberPanel

Sending emails with CyberPanel does not work by default. Since the team of CyberPanel made it...

 How to install & compile Redis from source on Linux OS

Downloading the source files The Redis source files are available on [this site's Download...

 How to install CyberPanel on CentOS/Ubuntu server

CyberPanel is a LiteSpeed-based control panel that provides a graphical interface for Linux...

 How to install Hostname SSL on Webuzo v3 with ZeroSSL?

If you wish to install SSL on the hostname, log in to Webuzo v3 first with root credentials. Now,...

 How to install Pinguzo on any Linux/UNIX OS

Login to Pinguzo panel using Softaculous account or create an account of Pinguzo To add new...

 How to install Webuzo v3 on CentOS/Ubuntu server

Webuzo is a multi-user shared hosting control panel that allows the deployment of multiple...

 How to install ionCube Loader 12 extension on CyberPanel?

We all already know that CyberPanel is an open-source web hosting control panel that comes with...

 How to restrict direct root access in Linux

We can do it just in two steps. Step One: At first we will create new root user as follows (for...

 How to use CyberPanel Utility Tools with CLI/Terminal

Procedure: Log into your server with SSH (root) Open the Terminal and run:...

 How to use Postfix as Relay for Mailgun SMTP Relay

Mailgun is a popular SMTP Relay/API service, one of my favorites. For transactional emails, I...

 Install Go (Golang) on CentOS 7 / RHEL 7

Go or GoLang, as it is called, is an open-source programming language designed to help ease the...

 Install re2c on RHEL8 / CentOS 8 / AlmaLinux

You can get the following error during steps dependent on re2c, for example, while executing the...

 Installation of Hestia Control Panel on Debian/Ubuntu

Want to get started today? Installation is easy. Just follow a few simple steps: Step 1:...

 Installation of V2Board with aaPanel on Fresh VPS

Requirements CentOS 7 x64-bit 1GB of Memory 20GB of Storage KVM Virtualization...

 Modifying Max Memory and its policy in Redis Config

First of all, log in to your server with SSH (root). Once you've logged into the server, open the...

 NextCloud 12.0 installation with MariaDB and PHP 7.1

NextCloud puts your data at your fingertips, under your control. You store your photos, calendar,...

 Redis Installation on CentOS/RHEL 6/7 cPanel Server

First of all, log in to the server, with SSH (root). Open the Terminal and execute the command...

 Setup Backup Destination and Schedule on Webuzo v3

Log into your Webuzo v3 control panel with the root credentials. Once, you've logged into it, at...

 Troubleshooting High I/O Wait in Linux

Linux has many tools available for troubleshooting some are easy to use, some are more advanced....

 Unique WP Cache Name for Redis or Memcached

If you have multiple WordPress websites on your server, enabling cache at the same time will have...

 Usages of kill cmd, how to terminate processes

One of my biggest pet peeves as a Linux sysadmin is when I see users, or even other sysadmins...