How To Install jitterentropy-rngd on CentOS 7
Introduction
In this tutorial we learn how to install jitterentropy-rngd on CentOS 7.
What is jitterentropy-rngd
The CPU Jitter Random Number Generator provides a non-physical true random number generator that works equally in kernel and user land. The only prerequisite is the availability of a high-resolution timer that is available in modern CPUs. Upon starting as a service, it will block until it has written 256 bytes of entropy (which happens almost immediately) A whitepaper is available at http
We can use yum or dnf to install jitterentropy-rngd on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install jitterentropy-rngd.
Install jitterentropy-rngd on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install jitterentropy-rngd using yum by running the following command:
sudo yum -y install jitterentropy-rngd
Install jitterentropy-rngd 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 jitterentropy-rngd using dnf by running the following command:
sudo dnf -y install jitterentropy-rngd
How To Uninstall jitterentropy-rngd on CentOS 7
To uninstall only the jitterentropy-rngd package we can use the following command:
sudo dnf remove jitterentropy-rngd
References
Summary
In this tutorial we learn how to install jitterentropy-rngd on CentOS 7 using yum and dnf.
