How To Install ciphertest on CentOS 8

ciphertest is An SSL cipher checker

Introduction

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

What is ciphertest

cipherTest.sh is an SSL cipher checker in that it uses gnutls, which has support for many more configurations than openssl. It tests potentially ~3,200 different configurations but does some pre-optimization so that it minimizes “failed” checks.

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

Install ciphertest 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 ciphertest using dnf by running the following command:

sudo dnf -y install ciphertest

Install ciphertest 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 ciphertest using yum by running the following command:

sudo yum -y install ciphertest

How To Uninstall ciphertest on CentOS 8

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

sudo dnf remove ciphertest

ciphertest Package Contents on CentOS 8

/usr/bin/ciphertest
/usr/share/doc/ciphertest
/usr/share/doc/ciphertest/LICENSE
/usr/share/doc/ciphertest/README
/usr/share/licenses/ciphertest
/usr/share/licenses/ciphertest/COPYING

References

Summary

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