How to install webmin on CentOS 7 step by step guide

In this article we learn what is webmin, how to install webmin on CentOS 7 and how to access it through the web browser.

What is webmin

Webmin is the open source most popular hosting control panel. Webmin is a web based interface for the unix based server used by system admin to manage the whole linux system using this web based interface. Normally webmin depends on the perl language and by default it is running on TCP port 10000.

Installation steps of webmin on CentOS 7

To install the webmin first we need to install wget .To install wget package we execute the below command.

[root@localhost ~]# yum install wget -y

Loaded plugins: fastestmirror

Loading mirror speeds from cached hostfile

* base: centos.excellmedia.net

* extras: centos.excellmedia.net

* updates: centos.excellmedia.net

Resolving Dependencies

--> Running transaction check

---> Package wget.x86_64 0:1.14-18.el7 will be installed

--> Finished Dependency Resolution

Dependencies Resolved

========================================================================================================================================================================

Package Arch Version Repository Size

========================================================================================================================================================================

Installing:

wget x86_64 1.14-18.el7 base 547 k

Transaction Summary

========================================================================================================================================================================

Install 1 Package

Total download size: 547 k

Installed size: 2.0 M

Downloading packages:

wget-1.14-18.el7.x86_64.rpm | 547 kB 00:00:02

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

Installing : wget-1.14-18.el7.x86_64 1/1

Verifying : wget-1.14-18.el7.x86_64 1/1

Installed:

wget.x86_64 0:1.14-18.el7

Complete!

After installing the wget package we create a repo file under “/etc/yum.repos.d” name webmin.repo and add the below line in the repo file.

[root@localhost ~]# cat /etc/yum.repos.d/webmin.repo

[Webmin]

name=Webmin Distribution Neutral

mirrorlist=http://download.webmin.com/download/yum/mirrorlist

enabled=1

To fetch the GPG key we execute the below command.

[root@localhost ~]# wget http://www.webmin.com/jcameron-key.asc

--2018-12-18 22:20:57-- http://www.webmin.com/jcameron-key.asc

Resolving www.webmin.com (www.webmin.com)... 216.105.38.10

Connecting to www.webmin.com (www.webmin.com)|216.105.38.10|:80... connected.

HTTP request sent, awaiting response... 200 OK

Length: 1320 (1.3K) [text/plain]

Saving to: ‘jcameron-key.asc’

100%[==============================================================================================================================>] 1,320 --.-K/s in 0s

2018-12-18 22:20:58 (43.5 MB/s) - ‘jcameron-key.asc’ saved [1320/1320]

After fetching the GPG key now it is the time to install the key to sign the webmin package.

[root@localhost ~]# rpm --import jcameron-key.asc

After import the key we execute the below command to install the webmin package

[root@localhost ~]# yum install webmin

Loaded plugins: fastestmirror

Webmin | 2.9 kB 00:00:00

Webmin/primary_db | 87 kB 00:00:02

Loading mirror speeds from cached hostfile

* base: centos.excellmedia.net

* extras: centos.excellmedia.net

* updates: centos.excellmedia.net

Resolving Dependencies

--> Running transaction check

---> Package webmin.noarch 0:1.900-1 will be installed

--> Processing Dependency: perl(Net::SSLeay) for package: webmin-1.900-1.noarch

--> Processing Dependency: perl(Encode::Detect) for package: webmin-1.900-1.noarch

--> Running transaction check

---> Package perl-Encode-Detect.x86_64 0:1.01-13.el7 will be installed

---> Package perl-Net-SSLeay.x86_64 0:1.55-6.el7 will be installed

--> Finished Dependency Resolution

Dependencies Resolved

========================================================================================================================================================================

Package Arch Version Repository Size

========================================================================================================================================================================

Installing:

webmin noarch 1.900-1 Webmin 21 M

Installing for dependencies:

perl-Encode-Detect x86_64 1.01-13.el7 base 82 k

perl-Net-SSLeay x86_64 1.55-6.el7 base 285 k

Transaction Summary

========================================================================================================================================================================

Install 1 Package (+2 Dependent packages)

Total download size: 21 M

Installed size: 79 M

Is this ok [y/d/N]: y

Downloading packages:

(1/3): perl-Encode-Detect-1.01-13.el7.x86_64.rpm | 82 kB 00:00:02

(2/3): perl-Net-SSLeay-1.55-6.el7.x86_64.rpm | 285 kB 00:00:03

(3/3): webmin-1.900-1.noarch.rpm | 21 MB 00:04:18

------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Total 85 kB/s | 21 MB 00:04:19

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

Installing : perl-Encode-Detect-1.01-13.el7.x86_64 1/3

Installing : perl-Net-SSLeay-1.55-6.el7.x86_64 2/3

Operating system is CentOS Linux

Installing : webmin-1.900-1.noarch 3/3

Webmin install complete. You can now login to https://localhost.localdomain:10000/

as root with your root password.

Verifying : webmin-1.900-1.noarch 1/3

Verifying : perl-Net-SSLeay-1.55-6.el7.x86_64 2/3

Verifying : perl-Encode-Detect-1.01-13.el7.x86_64 3/3

Installed:

webmin.noarch 0:1.900-1

Dependency Installed:

perl-Encode-Detect.x86_64 0:1.01-13.el7 perl-Net-SSLeay.x86_64 0:1.55-6.el7

Complete!

How to start and enable the webmin service

To start the webmin service we execute the below command.

[root@localhost ~]# systemctl start webmin

To enable the service we execute the below command.

[root@localhost ~]# systemctl enable webmin

How to verify using web browser

By default webmin is running on the TCP pot no 10000 . To verify webmin service open the web browser and type https:// <server_ip>:10000 and you will get the below output.

How to install webmin on CentOS 7 step by step guide

How to install webmin on CentOS 7 step by step guide