Installing Glances on Red Hat Enterprise Linux (RHEL) and Compatible Distributions

Glances is a powerful, real-time system monitoring tool for Linux and Windows. It provides a wealth of information about CPU usage, memory, disk I/O, network traffic, processes, and more – either locally or remotely through a web interface. This guide covers installation on various Red Hat-based systems, including:

• Red Hat Enterprise Linux (RHEL) 5, 6, 7, 8
• CentOS 5, 6, 7, 8
• Rocky Linux 8 (and compatible versions)

Glances is a fantastic resource monitor tool for Linux and Windows-based systems. CPU, Disk, Memory, and other resources can be monitored either locally or remotely via the web page.

This is the main Glances website

Red Hat 5 / Red Hat 6 / Centos 5/6 installation instructions

Ensure that you run as root

sudo -i
sudo yum-config-manager --enable rhel-server-rhscl-6-rpms
sudo yum install rh-python36 -y
sudo scl enable rh-python36 bash
sudo pip install --upgrade pip
sudo pip install bottle
sudo pip install glances
sudo glances -w -t 5 &

Red Hat 7 / Centos 7 installation instructions

Ensure that you run as root.

sudo yum-config-manager --enable rhel-server-rhscl-7-rpms
sudo yum install rh-python36 -y
sudo yum install rh-python36-python-pip -y
sudo scl enable rh-python36 bash 
curl -L https://bit.ly/glances | /bin/bash
sudo glances -w -t 5 &

Red Hat 8 / Centos 8 Installation Instructions

sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm

sudo yum install snapd

sudo systemctl enable --now snapd.socket
sudo ln -s /var/lib/snapd/snap /snap
sudo snap install glances

You will need to exit your current putty session and log back in.

Then type Glances

Starting and Using Glances

Basic Usage:

• Local Monitoring: Simply type glances in your terminal.
• Web Interface:
  • Start the web server: sudo glances -w -t 5 & (refreshes every 5 seconds)
  • Access from your browser: http://[your server's IP]:61208

Advanced Usage: Explore Glances’ command-line options and web interface features for customization.

5. Troubleshooting

• “Command not found”:
  • Make sure you’ve activated the correct Python environment (if using RHSCL).
  • Verify Glances is installed in your PATH (sudo ln -s /var/lib/snapd/snap /snap) if using Snap on RHEL8.
• Web interface not accessible:
  • Check your server’s firewall settings.
  • Ensure the web server is running.