Dev {Tricks}

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How to install WHM & CPanel on Ubuntu 20.04 LTS Linux

Create a configuration file to install the specific cPanel version that supports Ubuntu 20.04.

vi /etc/cpupdate.conf

Add below text and save.

CPANEL=98

1. Disable Firewall

systemctl status firewalld.service

In case firewall and rules active then disable them

iptables-save > ~/firewall.rules
systemctl stop firewalld.service
systemctl disable firewalld.service

Disable SELinux

Edit the /etc/selinux/config file

vi /etc/selinux/config

Set the SELINUX parameter to disabled, and then reboot the server.

SELINUX=disabled
Perl installation

yum -y install perl

2. Run system update

apt update & apt upgrade

3. Set fully qualified hostname

3.a. Check your existing hostname

hostname

3.b. Set fully qualified hostname

hostname server.example.com

3.c. Now, open file /etc/hosts

vi /etc/hosts

Add hostname with IP. For example

123.255.123.2.89 server.example.com server

3.d. Save the file and reboot

3.e. Confirm the hostname

hostname

4. Install Cpanel/WHM on Ubuntu 20.04 LST Server

cd /home && curl -o latest -L https://securedownloads.cpanel.net/latest && sh latest

Let the system perform the installation.

5. Access WHM/CPanel Web interface and confirm license.

https://server-IP-address:2086

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How to install Cpanel/WHM on AlmaLinux 8 Server

Steps by setup CPanel on AlmaLinux 8

1: Run system update

yum update
yum upgrade

2. Install Perl and Curl

yum install perl curl

3. Download the WHM cPanel installation script

cd /home && curl -o latest -L https://securedownloads.cpanel.net/latest

4. Run the Cpanel installation script

sh latest

Note: If you get a hostname error then you can set that by using the command-

hostname you-host.name.com

5. Log in to WHM with root user and password and accept the Terms and conditions…

https://Server_IP:2087
https://you-host.name.com:2087

7. WHM Dashboard

Now create a cPanel account on it to start hosting a website.

Some configuration paths for cPanel and WHM files

CPanel directories

/usr/local/cpanel

Third-party tools

/usr/local/cpanel/3rdparty/

Directories of addons or cPanel add-ons

/usr/local/cpanel/addons/

Basic files like PHPMyAdmin, themes

/usr/local/cpanel/base/

CPanel binaries

/usr/local/cpanel/bin/

CGI files

/usr/local/cpanel/cgi-sys/

Access to cPanel & Error event files

/usr/local/cpanel/logs/

WHM files

/usr/local/cpanel/whostmgr/

Apache configuration

/etc/httpd/conf/httpd.conf

Configuration of the Exim mail server

/etc/exim.conf

Named configuration files

/etc/named.conf

Configuration files ProFTP and Pureftpd

/etc/proftpd.conf and /etc/pure-ftpd.conf

CPanel user files

/var/cpanel/users/username

CPanel configuration files (tweak settings)

/var/cpanel/cpanel.config

Network configuration files

/etc/sysconfig/network

Addons and subdomain information

/etc/userdomains

CPanel update files

/etc/cpupdate.conf

Clamav configuration files

/etc/clamav.conf

MySQL configuration files

/etc/my.cnf

PHP.ini configuration files

/usr/local/lib/php.ini

 

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How to install Linux Screen utility?

  1. Check whether Screen is installed 
    which screen
  2. If Screen is not installed on your system, run the following command:
    1. If your system uses yum, you can install Screen with the command below 
      yum install screen
    2. If your system uses apt, you can install Screen with the command below 
      apt install screen
  3.  To run a Screen session, enter the screen command. 
    screen
  4. If your session disconnects for some reason, log back in to your server and run the screen -r command. 
    screen -r

    This will reconnect you to your Screen session.