How To Install paperkey on CentOS 7
Introduction
In this tutorial we learn how to install paperkey on CentOS 7.
What is paperkey
A reasonable way to achieve a long term backup of OpenPGP (PGP, GnuPG, etc) keys is to print them out on paper. Paper and ink have amazingly long retention qualities - far longer than the magnetic or optical means that are generally used to back up computer data. A paper backup isn’t a replacement for the usual machine readable (tape, CD-R, DVD-R, etc) backups, but rather as an if-all-else-fails method of restoring a key.
We can use yum or dnf to install paperkey on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install paperkey.
Install paperkey on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install paperkey using yum by running the following command:
sudo yum -y install paperkey
Install paperkey on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install paperkey using dnf by running the following command:
sudo dnf -y install paperkey
How To Uninstall paperkey on CentOS 7
To uninstall only the paperkey package we can use the following command:
sudo dnf remove paperkey
References
Summary
In this tutorial we learn how to install paperkey on CentOS 7 using yum and dnf.