How to Install Webmin on CentOS 7/RHEL 7/Oracle Linux 7

Webmin is a free, web-based software that is widely used by system administrators for system and server administration. Its graphical interface makes it user-friendly and reduces the likelihood of errors, making it an excellent tool for beginners unfamiliar with Unix or Linux command lines. This comprehensive guide will walk you through the process of installing Webmin on CentOS 7/RHEL 7/Oracle Linux 7. The current version of Webmin at the time of writing is 1.720.

Webmin’s popularity stems from its ease of use and the fact that it allows administrators to perform daily tasks such as system administration and server administration through a web-based interface. This guide will be particularly useful for those who are new to Unix or Linux command lines.

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Installing Webmin on CentOS 7/RHEL 7/Oracle Linux 7

Step 1: Enable Yum Repository for Webmin

The first step in the installation process is to enable the Yum repository for Webmin. To do this, you need to create a file named webmin.repo in the /etc/yum.repos.d/ directory.

[root@centos7 ~]# vi /etc/yum.repos.d/webmin.repo
[Webmin]
name=Webmin Distribution Neutral
#baseurl=http://download.webmin.com/download/yum
mirrorlist=http://download.webmin.com/download/yum/mirrorlist
enabled=1

Step 2: Install GPG Key

Next, you need to install the GPG key. This can be done by importing it using the rpm command as shown below:

[root@centos7 ~]# rpm --import http://www.webmin.com/jcameron-key.asc

Step 3: Install Webmin Software and Dependencies

After installing the GPG key, you can now install the Webmin software along with all the required dependencies. This can be done using the yum install command:

[root@centos7 ~]# yum install webmin -y

Step 4: Start Webmin

Once the installation is complete, you can start Webmin using the following command:

[root@centos7 ~]# /etc/init.d/webmin start

Webmin operates on port 10000 by default. You can access your server on this port using your Fully Qualified Domain Name (FQDN) or IP address. For example, http://192.168.0.x:10000/ or http://FQDN:10000/.

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Install Webmin on CentOS 7

Commands Mentioned

  • vi /etc/yum.repos.d/webmin.repo – This command is used to create and open the webmin.repo file in the /etc/yum.repos.d/ directory.
  • rpm –import http://www.webmin.com/jcameron-key.asc – This command is used to import the GPG key required for the installation of Webmin.
  • yum install webmin -y – This command is used to install the Webminsoftware and all its required dependencies.
  • /etc/init.d/webmin start – This command is used to start Webmin after it has been installed.

Conclusion

Installing Webmin on CentOS 7/RHEL 7/Oracle Linux 7 is a straightforward process that involves enabling the Yum repository for Webmin, installing the GPG key, installing the Webmin software and its dependencies, and starting Webmin. This guide provides a step-by-step walkthrough of the process, making it easy even for beginners.

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Webmin is a powerful tool that simplifies system and server administration, making it an essential tool for system administrators.Remember, Webmin operates on port 10000 by default, so you can access your server on this port using your Fully Qualified Domain Name (FQDN) or IP address.

By following this guide, you should now have a functional Webmin installation on your CentOS 7/RHEL 7/Oracle Linux 7 system. This will allow you to manage your server and perform system administration tasks with ease.

FAQs

  1. What is Webmin?

    Webmin is a free, web-based software used by system administrators for system and server administration. It provides a graphical interface that simplifies the administration process, especially for those unfamiliar with Unix or Linux command lines.

  2. What is the purpose of the GPG key in the Webmin installation process?

    The GPG key is used to verify the authenticity and integrity of the Webmin software package. It ensures that the software has not been tampered with and is from a trusted source.

  3. What port does Webmin operate on by default?

    By default, Webmin operates on port 10000. You can access your server on this port using your Fully Qualified Domain Name (FQDN) or IP address.

  4. What is the yum command used for in the installation process?

    The yum command is used to manage packages in Linux distributions that use RPM Package Manager. In the context of Webmin installation, it is used to install the Webmin software and all its required dependencies.

  5. What is the role of the /etc/yum.repos.d/webmin.repo file in the installation process?

    The /etc/yum.repos.d/webmin.repo file is used to enable the Yum repository for Webmin. This repository contains the software packages for Webmin, which are needed for the installation process.

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