How To Install clusterssh on CentOS 8

clusterssh is Secure concurrent multiple server terminal control

Introduction

In this tutorial we learn how to install clusterssh on CentOS 8.

What is `clusterssh`

Control multiple terminals open on different servers to perform administration tasks, for example multiple hosts requiring the same configuration within a cluster. Not limited to use with clusters, however.

We can use yum or dnf to install clusterssh on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install clusterssh.

Install clusterssh on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install clusterssh using dnf by running the following command:

sudo dnf -y install clusterssh

Install clusterssh on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install clusterssh using yum by running the following command:

sudo yum -y install clusterssh

How To Uninstall clusterssh on CentOS 8

To uninstall only the clusterssh package we can use the following command:

sudo dnf remove clusterssh

clusterssh Package Contents on CentOS 8

/etc/bash_completion.d
/etc/bash_completion.d/clusterssh
/usr/bin/ccon
/usr/bin/crsh
/usr/bin/csftp
/usr/bin/cssh
/usr/bin/ctel
/usr/share/doc/clusterssh
/usr/share/doc/clusterssh/AUTHORS
/usr/share/doc/clusterssh/Changes
/usr/share/doc/clusterssh/THANKS
/usr/share/doc/clusterssh/TODO
/usr/share/man/man1/ccon.1.gz
/usr/share/man/man1/crsh.1.gz
/usr/share/man/man1/csftp.1.gz
/usr/share/man/man1/cssh.1.gz
/usr/share/man/man1/ctel.1.gz
/usr/share/man/man3/App::ClusterSSH.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Base.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Cluster.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Config.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Getopt.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Helper.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Host.3pm.gz
/usr/share/man/man3/App::ClusterSSH::L10N.3pm.gz
/usr/share/man/man3/App::ClusterSSH::L10N::en.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Range.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Window.3pm.gz
/usr/share/man/man3/App::ClusterSSH::Window::Tk.3pm.gz
/usr/share/perl5/vendor_perl
/usr/share/perl5/vendor_perl/App
/usr/share/perl5/vendor_perl/App/ClusterSSH
/usr/share/perl5/vendor_perl/App/ClusterSSH.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Base.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Cluster.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Config.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Getopt.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Helper.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Host.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/L10N
/usr/share/perl5/vendor_perl/App/ClusterSSH/L10N.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/L10N/en.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Range.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Window
/usr/share/perl5/vendor_perl/App/ClusterSSH/Window.pm
/usr/share/perl5/vendor_perl/App/ClusterSSH/Window/Tk.pm

References

clusterssh website

Summary

In this tutorial we learn how to install clusterssh on CentOS 8 using yum and dnf.