How To Install iotop-c on CentOS 7
Introduction
In this tutorial we learn how to install iotop-c on CentOS 7.
What is iotop-c
iotop-c does for I/O usage what top(1) does for CPU usage. It watches I/O usage information output by the Linux kernel and displays a table of current I/O usage by processes on the system. It is handy for answering the question “Why is the disk churning so much?”. iotop-c requires a Linux kernel built with the CONFIG_TASKSTATS, CONFIG_TASK_DELAY_ACCT, CONFIG_TASK_IO_ACCOUNTING and CONFIG_VM_EVENT_COUNTERS config options on. iotop-c is an alternative re-implementation of iotop in C, optimized for performance. Normally a monitoring tool intended to be used on a system under heavy stress should use the least additional resources as possible.
We can use yum or dnf to install iotop-c on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install iotop-c.
Install iotop-c on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install iotop-c using yum by running the following command:
sudo yum -y install iotop-c
Install iotop-c 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 iotop-c using dnf by running the following command:
sudo dnf -y install iotop-c
How To Uninstall iotop-c on CentOS 7
To uninstall only the iotop-c package we can use the following command:
sudo dnf remove iotop-c
References
Summary
In this tutorial we learn how to install iotop-c on CentOS 7 using yum and dnf.
