How To Install whatsup on CentOS 7
Introduction
In this tutorial we learn how to install whatsup on CentOS 7.
What is whatsup
Whatsup is a cluster node up/down detection utility. Whatsup can quickly calculate and output the up and down nodes of a cluster. Whatsup allows some tools, such as Pdsh, to operate more quickly by not operating on down nodes. Whatsup calculates the up and down nodes of a cluster through one of several possible backend tools and several optional cluster node databases.
We can use yum or dnf to install whatsup on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install whatsup.
Install whatsup on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install whatsup using yum by running the following command:
sudo yum -y install whatsup
Install whatsup 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 whatsup using dnf by running the following command:
sudo dnf -y install whatsup
How To Uninstall whatsup on CentOS 7
To uninstall only the whatsup package we can use the following command:
sudo dnf remove whatsup
References
Summary
In this tutorial we learn how to install whatsup on CentOS 7 using yum and dnf.