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“Webmin” installation on Linux syste

Hello Everyone,

Today we are installing “webmin”

Being as a windows administrator working on Linux system it’s quite difficult to understand black screen. so you can do most of your work using webmin, it’s PHP based GUI application so can configure your linux system, can take system backup, manage your postfix server & do more.

“What is webmin”

Webmin is a web-based system configuration tool for Unix-like systems, although recent versions can also be installed and run on Windows.[4] With it, it is possible to configure operating system internals, such as users, disk quotas, services or configuration files, as well as modify and control open source apps, such as the Apache HTTP Server, PHP or MySQL.[5][6]

Webmin is largely based on Perl, running as its own process and web server. It defaults to TCP port 10000 for communicating, and can be configured to use SSL if OpenSSL is installed with additional required Perl Modules.

It is built around modules, which have an interface to the configuration files and the Webmin server. This makes it easy to add new functionality. Due to Webmin’s modular design, it is possible for anyone who is interested to write plugins for desktop configuration.

Webmin also allows for controlling many machines through a single interface, or seamless login on other webmin hosts on the same subnet or LAN.

Webmin interface


Let’s start webmin installation

I already install one centos 6.4 OS

First command should be

Yum install update

For debian & ubuntu

Apt-get install update

Webmin RPM available on http://www.webmin.com

Or you can download it using wget command

You have to install wget

Yum install wget

cd /opt

wget http://www.webmin.com/jcameron-key.asc

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

–2015-04-18 13:11:06– http://www.webmin.com/jcameron-key.asc

Resolving www.webmin.com…

Connecting to www.webmin.com||: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


2015-04-18 13:11:11 (177 MB/s) – “jcameron-key.asc” saved [1320/1320]


wget http://www.webmin.com/download/rpm/webmin-current.rpm

[root@mail opt]# wget http://www.webmin.com/download/rpm/webmin-current.rpm

–2015-04-18 13:13:24– http://www.webmin.com/download/rpm/webmin-current.rpm

Resolving www.webmin.com…

Connecting to www.webmin.com||:80… connected.

HTTP request sent, awaiting response… 302 Found

Location: http://prdownloads.sourceforge.net/webadmin/webmin-1.740-1.noarch.rpm [following]

–2015-04-18 13:13:30– http://prdownloads.sourceforge.net/webadmin/webmin-1.740-1.noarch.rpm

Resolving prdownloads.sourceforge.net…

Connecting to prdownloads.sourceforge.net||:80… connected.

HTTP request sent, awaiting response… 301 Moved Permanently

Location: http://downloads.sourceforge.net/project/webadmin/webmin/1.740/webmin-1.740-1.noarch.rpm [following                                                                                        ]

–2015-04-18 13:13:36– http://downloads.sourceforge.net/project/webadmin/webmin/1.740/webmin-1.740-1.noarch                                                                                       .rpm

Resolving downloads.sourceforge.net…

Connecting to downloads.sourceforge.net||:80… connected.

HTTP request sent, awaiting response… 302 Found

Location: http://softlayer-sng.dl.sourceforge.net/project/webadmin/webmin/1.740/webmin-1.740-1.noarch.rpm [fo                                                                                       llowing]

–2015-04-18 13:13:41– http://softlayer-sng.dl.sourceforge.net/project/webadmin/webmin/1.740/webmin-1.740-1                                                                                      .noarch.rpm

Resolving softlayer-sng.dl.sourceforge.net…

Connecting to softlayer-sng.dl.sourceforge.net||:80… connected.

HTTP request sent, awaiting response… 200 OK

Length: 25030571 (24M) [application/octet-stream]

Saving to: “webmin-current.rpm”


100%[===========================================================================================================================================================>] 25,030,571 23.0K/s   in 9m 41s


2015-04-18 13:23:28 (42.1 KB/s) – “webmin-current.rpm” saved [25030571/2503057


Import PGP key


rpm –import jcameron-key.asc

[root@mail opt]# rpm –import jcameron-key.asc



now install webmin

yum install webmin-current.rpm


[root@mail opt]# yum install webmin-current.rpm

Loaded plugins: fastestmirror

Setting up Install Process

Examining webmin-current.rpm: webmin-1.740-1.noarch

Marking webmin-current.rpm to be installed

Loading mirror speeds from cached hostfile

* base: centosmirror.go4hosting.in

* extras: centosmirror.go4hosting.in

* updates: centosmirror.go4hosting.in

ox-backend                                                                                                                                                                  | 1.3 kB     00:00

ox-frontend                                                                                                                                                                  | 1.3 kB     00:00

ox-usm                                                                                                                                                                      | 1.3 kB     00:00

Resolving Dependencies

–> Running transaction check

—> Package webmin.noarch 0:1.740-1 will be installed

–> Processing Dependency: /usr/bin/perl for package: webmin-1.740-1.noarch

–> Processing Dependency: /usr/bin/perl for package: webmin-1.740-1.noarch

–> Running transaction check

—> Package perl.x86_64 4:5.10.1-136.el6_6.1 will be installed

–> Processing Dependency: perl-libs = 4:5.10.1-136.el6_6.1 for package: 4:perl-5.10.1-136.el6_6.1.x86_64

–> Processing Dependency: perl-libs for package: 4:perl-5.10.1-136.el6_6.1.x86_64

–> Processing Dependency: perl(version) for package: 4:perl-5.10.1-136.el6_6.1.x86_64

–> Processing Dependency: perl(Pod::Simple) for package: 4:perl-5.10.1-136.el6_6.1.x86_64

–> Processing Dependency: perl(Module::Pluggable) for package: 4:perl-5.10.1-136.el6_6.1.x86_64

–> Processing Dependency: libperl.so()(64bit) for package: 4:perl-5.10.1-136.el6_6.1.x86_64

–> Running transaction check

—> Package perl-Module-Pluggable.x86_64 1:3.90-136.el6_6.1 will be installed

—> Package perl-Pod-Simple.x86_64 1:3.13-136.el6_6.1 will be installed

–> Processing Dependency: perl(Pod::Escapes) >= 1.04 for package: 1:perl-Pod-Simple-3.13-136.el6_6.1.x86_64

—> Package perl-libs.x86_64 4:5.10.1-136.el6_6.1 will be installed

—> Package perl-version.x86_64 3:0.77-136.el6_6.1 will be installed

–> Running transaction check

—> Package perl-Pod-Escapes.x86_64 1:1.04-136.el6_6.1 will be installed

–> Finished Dependency Resolution


Dependencies Resolved



Package                                            Arch                                 Version                                             Repository                                     Size



webmin                                               noarch                               1.740-1                                            /webmin-current                                 64 M

Installing for dependencies:

perl                                                 x86_64                               4:5.10.1-136.el6_6.1                               updates                                        10 M

perl-Module-Pluggable                               x86_64                               1:3.90-136.el6_6.1                                 updates                                         40 k

perl-Pod-Escapes                                     x86_64                               1:1.04-136.el6_6.1                                 updates                                         32 k

perl-Pod-Simple                                     x86_64                               1:3.13-136.el6_6.1                                 updates                                       212 k

perl-libs                                           x86_64                               4:5.10.1-136.el6_6.1                              updates                                       578 k

perl-version                                         x86_64                               3:0.77-136.el6_6.1                                 updates                                        51 k


Transaction Summary


Install       7 Package(s)


Total size: 76 M

Total download size: 11 M

Installed size: 100 M

Is this ok [y/N]: y

Downloading Packages:

http://centosmirror.go4hosting.in/centos/6.6/updates/x86_64/Packages/perl-5.10.1-136.el6_6.1.x86_64.rpm: [Errno 12] Timeout on http://centosmirror.go4hosting.in/centos/6.6/updates/x86_64/Packages/perl-5.10.1-136.el6_6.1.x86_64.rpm: (28, ‘Operation too slow. Less than 1 bytes/sec transfered the last 30 seconds’)

Trying other mirror.

(1/6): perl-5.10.1-136.el6_6.1.x86_64.rpm                                                                                                                                    | 10 MB     00:03

(2/6): perl-Module-Pluggable-3.90-136.el6_6.1.x86_64.rpm                                                                                                                      | 40 kB     00:00

(3/6): perl-Pod-Escapes-1.04-136.el6_6.1.x86_64.rpm                                                                                                                           | 32 kB   00:00

(4/6): perl-Pod-Simple-3.13-136.el6_6.1.x86_64.rpm                                                                                                                           | 212 kB     00:00

(5/6): perl-libs-5.10.1-136.el6_6.1.x86_64.rpm                                                                                                                              | 578 kB     00:01

(6/6): perl-version-0.77-136.el6_6.1.x86_64.rpm                                                                                                                              | 51 kB     00:00


Total                                                                                                                                                                 16 kB/s | 11 MB     11:46

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded

Running Transaction

Installing : 1:perl-Pod-Escapes-1.04-136.el6_6.1.x86_64                                                                                                                                       1/7

Installing : 1:perl-Module-Pluggable-3.90-136.el6_6.1.x86_64                                                                                                                                   2/7

Installing : 4:perl-libs-5.10.1-136.el6_6.1.x86_64                                                                                                                                            3/7

Installing : 1:perl-Pod-Simple-3.13-136.el6_6.1.x86_64                                                                                                                                        4/7

Installing : 3:perl-version-0.77-136.el6_6.1.x86_64                                                                                                                                          5/7

Installing : 4:perl-5.10.1-136.el6_6.1.x86_64                                                                                                                                                 6/7

Installing : webmin-1.740-1.noarch                                                                                                                                                            7/7

Operating system is CentOS Linux

Webmin install complete. You can now login to http://mail.local:10000/

as root with your root password.

Verifying : 3:perl-version-0.77-136.el6_6.1.x86_64                                                                                                                                           1/7

Verifying : 1:perl-Pod-Simple-3.13-136.el6_6.1.x86_64                                                                                                                                         2/7

Verifying : 1:perl-Module-Pluggable-3.90-136.el6_6.1.x86_64                                                                                                                                  3/7

Verifying : 4:perl-5.10.1-136.el6_6.1.x86_64                                                                                                                                                  4/7

Verifying : 4:perl-libs-5.10.1-136.el6_6.1.x86_64                                                                                                                                             5/7

Verifying : webmin-1.740-1.noarch                                                                                                                                                             6/7

Verifying : 1:perl-Pod-Escapes-1.04-136.el6_6.1.x86_64                                                                                                                                      7/7



webmin.noarch 0:1.740-1


Dependency Installed:

perl.x86_64 4:5.10.1-136.el6_6.1           perl-Module-Pluggable.x86_64 1:3.90-136.el6_6.1       perl-Pod-Escapes.x86_64 1:1.04-136.el6_6.1       perl-Pod-Simple.x86_64 1:3.13-136.el6_6.1

perl-libs.x86_64 4:5.10.1-136.el6_6.1       perl-version.x86_64 3:0.77-136.el6_6.1



[root@mail opt]#



Webmin default port is 10000, we need to open this port in IPTABLE


[root@mail opt]# vi /etc/sysconfig/iptables

# Firewall configuration written by system-config-firewall

# Manual customization of this file is not recommended.






-A INPUT -p icmp -j ACCEPT

-A INPUT -i lo -j ACCEPT

-A INPUT -m state –state NEW -m tcp -p tcp –dport 22 -j ACCEPT

-A INPUT -m state –state NEW -m tcp -p tcp –dport 10000 -j ACCEPT

-A INPUT -j REJECT –reject-with icmp-host-prohibited

-A FORWARD -j REJECT –reject-with icmp-host-prohibited



Save & exit


Restart the iptable service


[root@mail opt]# /etc/init.d/iptables restart

iptables: Setting chains to policy ACCEPT: filter         [ OK ]

iptables: Flushing firewall rules:                         [ OK ]

iptables: Unloading modules:                               [ OK ]

iptables: Applying firewall rules:                         [ OK ]



Restart the webmin service


[root@mail opt]# /etc/init.d/webmin restart

Stopping Webmin server in /usr/libexec/webmin

Starting Webmin server in /usr/libexec/webmin

Pre-loaded WebminCore


Now you can access it using

http://ip:10000 or http://FQDN:10000


You can see the modules below even you can add more modules using same console



It’s Done






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