How to Download and Install htop in Centos 8 Server

1. Get centos release and osrelease. You can install htop on Centos 8 Linux and Centos 8 Stream.

cat /etc/centos-release
cat /etc/os-release

2. Install EPEL in the Centos server.

If you get the error, Failed to Download Metadata for Repo AppStream. Let’s fix it following this post.

sudo dnf install -y epel-release
sudo dnf repolist

[root@centos8 ~]# sudo dnf install -y epel-release
stLast metadata expiration check: 8:08:19 ago on Sun 09 Oct 2022 10:57:59 PM +07.
Package epel-release-8-17.el8.noarch is already installed.
Dependencies resolved.
Nothing to do.
Complete!
[root@centos8 ~]# sudo dnf repolist
repo id                                 repo name
appstream                               CentOS Stream 8 - AppStream
baseos                                  CentOS Stream 8 - BaseOS
epel                                    Extra Packages for Enterprise Linux 8 - x86_64
epel-modular                            Extra Packages for Enterprise Linux Modular 8 - x86_64
extras                                  CentOS Stream 8 - Extras
extras-common                           CentOS Stream 8 - Extras common packages

3. Get the information of htop package then install htop on a Centos 8 server.

sudo dnf info htop
sudo dnf install -y htop

[root@centos8 ~]# sudo dnf info htop
Last metadata expiration check: 8:09:45 ago on Sun 09 Oct 2022 10:57:59 PM +07.
Available Packages
Name         : htop
Version      : 3.2.1
Release      : 1.el8
Architecture : x86_64
Size         : 170 k
Source       : htop-3.2.1-1.el8.src.rpm
Repository   : epel
Summary      : Interactive process viewer
URL          : http://hisham.hm/htop/
License      : GPLv2+
Description  : htop is an interactive text-mode process viewer for Linux, similar to
             : top(1).

[root@centos8 ~]# sudo dnf install -y htop
Last metadata expiration check: 8:09:49 ago on Sun 09 Oct 2022 10:57:59 PM +07.
Dependencies resolved.
========================================================================================================================
 Package                   Architecture                Version                          Repository                 Size
========================================================================================================================
Installing:
 htop                      x86_64                      3.2.1-1.el8                      epel                      170 k

Transaction Summary
========================================================================================================================
Install  1 Package

Total download size: 170 k
Installed size: 396 k
Downloading Packages:
htop-3.2.1-1.el8.x86_64.rpm                                                             135 kB/s | 170 kB     00:01
------------------------------------------------------------------------------------------------------------------------
Total                                                                                   115 kB/s | 170 kB     00:01
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                1/1
  Installing       : htop-3.2.1-1.el8.x86_64                                                                        1/1
  Running scriptlet: htop-3.2.1-1.el8.x86_64                                                                        1/1
  Verifying        : htop-3.2.1-1.el8.x86_64                                                                        1/1

Installed:
  htop-3.2.1-1.el8.x86_64

Complete!

Run htop, type htop then hit Enter.