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How to Install Webmin on REDHAT 8.5

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To Install Webmin on REDHAT 8.5

Introduction

Webmin is a powerful and flexible web-based server management control panel for Unix-like systems that allows the user to configure operating system internals, including users, disk quotas, services, or configuration files, also modify and control open-source apps, such as the Apache HTTP Server, PHP or MySQL

Step 1: Check the Installed version of OS by using the below command

[root@linuxhelp ~]# cat /etc/os-release 
NAME="Red Hat Enterprise Linux"
VERSION="8.5 (Ootpa)"
ID="rhel"
ID_LIKE="fedora"
VERSION_ID="8.5"
PLATFORM_ID="platform:el8"
PRETTY_NAME="Red Hat Enterprise Linux 8.5 (Ootpa)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:8::baseos"
HOME_URL="https://www.redhat.com/"
DOCUMENTATION_URL="https://access.redhat.com/documentation/red_hat_enterprise_linux/8/"
BUG_REPORT_URL=https://bugzilla.redhat.com/

Step 2: Install Prerequisites for Webmin by using the below command

[root@localhost ~]# dnf install -y wget perl perl-Net-SSLeay openssl unzip perl-Encode-Detect perl-Data-Dumper

Updating Subscription Management repositories.
Unable to read consumer identity

This system is not registered with an entitlement server. You can use subscription-manager to register.

AppStream                                                                                                   3.1 MB/s | 3.2 kB     00:00    
BaseOS                                                                                                      2.7 MB/s | 2.8 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                                                              9.2 kB/s | 7.1 kB     00:00    
Safe Remi's RPM repository for Enterprise Linux 8 - x86_64                                                  
Package unzip-6.0-45.el8.x86_64 is already installed.
Package perl-Data-Dumper-2.167-399.el8.x86_64 is already installed.
Dependencies resolved.
============================================================================================================================================
 Package                                    Architecture         Version                                              Repository       Size
============================================================================================================================================
Installing:
 perl                                       x86_64               4:5.26.3-420.el8                                     1                73 k


Verifying        : perl-Compress-Raw-Zlib-2.081-1.el8.x86_64                                                                      110/114 
  Verifying        : perl-IO-Compress-2.081-1.el8.noarch                                                                            111/114 
  Verifying        : perl-IO-Zlib-1:1.10-420.el8.noarch                                                                             112/114 
  Verifying        : perl-Text-Diff-1.45-2.el8.noarch                                                                               113/114 
  Verifying        : python3-pyparsing-2.1.10-7.el8.noarch                                                                          114/114 
Installed products updated.
qt5-srpm-macros-5.15.2-1.el8.noarch                                         redhat-rpm-config-125-1.el8.noarch                            
  rust-srpm-macros-5-2.el8.noarch                                             systemtap-sdt-devel-4.5-3.el8.x86_64                          

Complete!

Step 3: Download Webmin’s GPG key for encryption and signing messages using wget command

[root@linuxhelp ~]# wget https://download.webmin.com/jcameron-key.asc
--2022-06-21 22:35:06--  https://download.webmin.com/jcameron-key.asc
Resolving download.webmin.com (download.webmin.com)... 104.207.151.13, 45.76.69.64
Connecting to download.webmin.com 



jcameron-key.asc                   100%[================================================================>]   1.29K  --.-KB/s    in 0s      

2022-06-21 22:35:07 (47.5 MB/s) - ‘jcameron-key.asc’ saved [1320/1320]

Step 4: Once downloaded, import it using the rpm command by using the below command

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

Step 5 Download Webmin from the official Webmin download page using the wget command

[root@linuxhelp ~]# wget https://prdownloads.sourceforge.net/webadmin/webmin-1.970-1.noarch.rpm

Connecting to prdownloads.sourceforge.net (prdownloads.sourceforge.net)|204.68.111.105|:443... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://downloads.sourceforge.net/project/webadmin/webmin/1.970/webmin-1.970-1.noarch.rpm [following]
--2022-06-21 22:38:36--  https://downloads.sourceforge.net/project/webadmin/webmin/1.970/webmin-1.970-1.noarch.rpm
webmin-1.970-1.noarch.rpm          100%[================================================================>]  38.89M  94.8KB/s    in 8m 0s

Step 6: When the download is complete, install Webmin by using the below command

[root@linuxhelp ~]#  rpm -Uvh webmin-1.970-1.noarch.rpm
Verifying...                          ################################# [100%]
Preparing...                          ################################# [100%]
Operating system is Redhat Enterprise Linux
Updating / installing...
   1:webmin-1.970-1                   ################################# [100%]
Webmin install complete. You can now login to https://linuxhelp:10000/
as root with your root password.

Step 7: Add firewall by default 10000 is a port number for webmin by using the below command

[root@linuxhelp ~]# firewall-cmd --add-port=10000/tcp --zone=public --permanent
Success

Step 8: Reload firewall by using the below command

[root@linuxhelp ~]# firewall-cmd --reload
success

Step 9: To Access Webmin, Search your system IP with webmin default port on browser as shown in the below image snap 1

Step 10: At first, you will get an alert as shown in the below image snap 2

Step 11: click on the ‘Advanced’ tab. And Accept the risk and Continue as shown in the below image snap 3

Step 12: Login Webmin using the root credentials as shown in the below image Snap 4

Step 13: This is the Dashboard page of Webmin snap 5

Conclusion:

We have reached the end of this article. In this guide, we have walked you through the steps required to Install Webmin on REDHAT 8.5. Your feedback is much welcome.

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Frequently asked questions ( 5 )

Q

How do I change my Webmin password if I can't log in?

A

Assuming you have installed Webmin in /usr/libexec/Webmin, you could change the password of the admin user to foo by running
/usr/libexec/webmin/changepass.pl /etc/webmin admin foo

Q

How do I run setup.sh?

A

After extracting the Webmin tar file, cd into the Webmin-1.890 directory and type ./setup.sh. Because the root user on many systems does not have the current directory in his path, just typing setup.sh will not work.

Q

Can I run Webmin or Usermin under Apache?

A

This can be done with some configuration. See this document for details on running Webmin under Apache, or this page for details on running Usermin.

You can also run Webmin under the Zeus web server in a similar way. See this documentation for instructions.

Q

Free Web-Based Control Panel - Webmin 1.791 For Linux?

A

FOLLOW TIS LINK: " https://www.linuxhelp.com/free-web-based-control-panel-webmin/ "

Q

What does the error pam_ck_connector(webmin:session): cannot determine display-device mean?

A

If you see this error in /var/log/auth.log , edit the file /etc/pam.d/webmin and change the line @include common-session to @include common-session-noninteractive . Then run /etc/webmin/restart .

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