How to Install Webmin on CentOS 7

Webmin is a web-based system configuration tool for Unix-like systems, although recent versions can also be installed and run on Windows. In this post you will learn how to install and configure Webmin On CentOS 7.

What is Webmin ?

Webmin is to manage multiple hosts from the single web interface. It works like Cpanel and PhpMyAdmin, both are web interfaces. Webmin allows a given user to manage the bind DNS, Postfix, Dovecot, MySQL database user permissions etc all within the context of that particular domain manage by the web interface.

Requirement

  • Fresh installed CentOS 7 with at least 1GB of RAM and core2duo
  • Fully Qualified Domain Name should be a point to on server’s IP address

Steps to install Webmin

1. First of all, update your system from the following command

# sudo yum update -y

Restart your system after update and login with root user

 

2. The second thing is to setup the domain name and FQDN to make Webmin function properly. Edit the files /etc/hostname,  /etc/hosts and put your server name and FQDN as below. I am sharing some screenshot where my hostname is “mta” and FQDN is ” mta.techsbucket.in “. Select your desire hostname and FQDN

# sudo vi /etc/hostname

Press ” i ” for insert, after insert hostname press ” Esc ” and ” wq! ” to write the changes

Now, add the FQDN for your server by following edit command and make it write

# sudo vi /etc/hosts

Reboot the system after changing hostname and FQDN.

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3.  Add the following Webmin yum repository by creating new webmin.repo file as follow

# sudo vi /etc/yum.repos.d/webmin.repo

Add the following repository and save the file

[Webmin]
name=Webmin Distribution Neutral #baseurl=https://download.webmin.com/download/yum
mirrorlist=https://download.webmin.com/download/yum/mirrorlist
enabled=1

 

4. Install the package signed GPG key

wget https://download.webmin.com/jcameron-key.asc 

rpm --import jcameron-key.asc

 

5. Run the install command now

# sudo yum install webmin

 

Another Method to install Webmin

Run the below command to download the file

#  sudo wget http://prdownloads.sourceforge.net/webadmin/webmin-1.930-1.noarch.rpm

Install the dependencies

#  sudo yum -y install perl perl-Net-SSLeay openssl perl-IO-Tty perl-Encode-Detect

Now, run the command to install webmin

#  sudo rpm -U webmin-1.930-1.noarch.rpm

Webmin is supportable with all Fedora, Redhat and older versions of Redhat, CentOS and all the distribution from Redhat or Fedora

 

6. Most Important thing is to add Webmin port in Firewall to open

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To check the firewall status follow below command

#  sudo systemctl status firewalld

If the firewall is Active and Running then add Webmin port ” 10000 ” in the firewall and reload the firewall

#  sudo firewall-cmd --permanent --add-port=10000/tcp

#  sudo firewall-cmd --reload

 

7. Now Access the Webmin into localhost by entering ” localhost:10000 ” or “ yourserver-ip-address:10000 ” into browser.

To Access  Webmin from the windows system  you would have to update hosts file first with the Administrator privileges. The hosts file location is ” c:\windows\system32\drivers\etc\hosts ” edit with notepad.

Open hosts file and add the following entry

yourserver-ipaddress  yourserver-hostname

 

8. Finally, access the webmin from the hostname or ip address with port 10000, login with root user

192.168.10.202:10000

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Video Tutorial

 

I hope you have understand above tutorial. I am requesting if you have any doubt please ask me by comment section about your queries.

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