Manage CentOS 8|RHEL 8 With Cockpit Web Console

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This guide will show you how to manage CentOS 8|RHEL 8 Linux from Cockpit web console. Cockpit is a free and open-source web-based administration console for Linux systems – CentOS, RHEL, Fedora, Ubuntu, Debian, Arch e.t.c. The cockpit is pre-installed with CentOS 8|RHEL 8 Base operating system – both server and workstation. It allows you to monitor and adjust system configurations with ease.

Cockpit Features of Cockpit

Cockpit allows you to perform the following system operations:

  • Service Management – Start, stop, restart, reload, disable, enable, mask e.t.c
  • User Account Management – Add users, delete, Lock, assign Administrator role, set password, force password change, Add Public SSH keys e.t.c.
  • Firewall Management
  • Cockpit Container management
  • SELinux Policy management
  • Journal v2
  • iSCSI Initiator configurations
  • SOS-reporting
  • NFS Client setup
  • Configure OpenConnect VPN Server
  • Privileged Actions – Shutdown, Restart system
  • Join Machine to Domain
  • Hardware Device Management
  • System Updates for dnf, yum, apt hosts
  • Manage the Kubernetes Node

Install Cockpit on CentOS 8|RHEL 8 Linux

The Cockpit web interface is installed on CentOS 8|RHEL 8 by default, but it is not activated. Before you can use it, ensure it is installed and service started.

sudo dnf -y install cockpit

Once Cockpit has been installed on CentOS 8, start and enable the service.

 sudo systemctl enable --now cockpit.socket

If you have activated firewalld service, allow Cockpit port to be accessed from machines within the network.

sudo firewall-cmd --add-service=cockpit --permanent
sudo firewall-cmd --reload

Access Cockpit Web Console on CentOS 8|RHEL 8 Linux

The Cockpit web console can be accessed on the URL [https://(serverip or hostname):9090/].

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The login screen should be displayed as shown above. Login with a local admin user added during installation or root user account. The system overview page should show up next.

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Use the left panel to choose a configuration option to do on your CentOS 8|RHEL 8 server. The example below will enable automatic updates on CentOS 8 system.

This is done on Software Updates > Automatic Updates

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The “ON” button should turn blue, indicating the system will be updated automatically.

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Using Cockpit Terminal on CentOS 8|RHEL 8

There’s an embedded terminal in Cockpit which gives you flexibility to jump between a terminal and the web interface at any time.

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Explore more Cockpit features such as multiple servers management from a single Cockpit session.

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A systems engineer with excellent skills in systems administration, cloud computing, systems deployment, virtualization, containers, and a certified ethical hacker.