Introduction
In this tutorial we learn how to install hashcash
on Ubuntu 22.04.
What is hashcash
hashcash is:
Hash cash is a payment scheme that uses CPU cycles as the form of payment.
This can be used as a counter-measure for junk email (spam) by using the hash
cash token as a proof of payment for each email that you sent.
There are three methods to install hashcash
on Ubuntu 22.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install hashcash Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install hashcash
using apt-get
by running the following command:
sudo apt-get -y install hashcash
Install hashcash Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install hashcash
using apt
by running the following command:
sudo apt -y install hashcash
Install hashcash 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 hashcash
using aptitude
by running the following command:
sudo aptitude -y install hashcash
How To Uninstall hashcash on Ubuntu 22.04
To uninstall only the hashcash
package we can use the following command:
sudo apt-get remove hashcash
Uninstall hashcash And Its Dependencies
To uninstall hashcash
and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove hashcash
Remove hashcash Configurations and Data
To remove hashcash
configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge hashcash
Remove hashcash configuration, data, and all of its dependencies
We can use the following command to remove hashcash
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge hashcash
References
Summary
In this tutorial we learn how to install hashcash
package on Ubuntu 22.04 using different package management tools: apt
, apt-get
and aptitude
.