How To Install cifer on Ubuntu 20.04
Introduction
In this tutorial we learn how to install cifer
on Ubuntu 20.04.
What is cifer
cifer is:
Cifer provides many functions designed to aid in cracking classical ciphers; a group of ciphers used historically, but which have now fallen into disuse because of their suceptability to ciphertext-only attacks. In general, they were designed and implemented by hand, and operate on an alphabet of letters (such as [A-Z]).
It operates using text files as input and output, and can perform both brute force and other, more sophisticated, attacks against many classic encryption schemes. In addition, it provides many utilities such as frequency analysis and automated encryption/decryption of texts.
There are three methods to install cifer
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install cifer Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install cifer
using apt-get
by running the following command:
sudo apt-get -y install cifer
Install cifer Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install cifer
using apt
by running the following command:
sudo apt -y install cifer
Install cifer Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install cifer
using aptitude
by running the following command:
sudo aptitude -y install cifer
How To Uninstall cifer on Ubuntu 20.04
To uninstall only the cifer
package we can use the following command:
sudo apt-get remove cifer
Uninstall cifer And Its Dependencies
To uninstall cifer
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove cifer
Remove cifer Configurations and Data
To remove cifer
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge cifer
Remove cifer configuration, data, and all of its dependencies
We can use the following command to remove cifer
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge cifer
References
Summary
In this tutorial we learn how to install cifer
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.