How To Install ps_mem on CentOS 8
Introduction
In this tutorial we learn how to install ps_mem on CentOS 8.
What is ps_mem
The ps_mem tool reports how much core memory is used per program (not per process). In detail it reports sum(private RAM for program processes) + sum(Shared RAM for program processes) The shared RAM is problematic to calculate, and the tool automatically selects the most accurate method available for the running kernel.
We can use yum or dnf to install ps_mem on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install ps_mem.
Install ps_mem on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install ps_mem using dnf by running the following command:
sudo dnf -y install ps_mem
Install ps_mem on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install ps_mem using yum by running the following command:
sudo yum -y install ps_mem
How To Uninstall ps_mem on CentOS 8
To uninstall only the ps_mem package we can use the following command:
sudo dnf remove ps_mem
ps_mem Package Contents on CentOS 8
/usr/bin/ps_mem
/usr/share/doc/ps_mem
/usr/share/doc/ps_mem/LICENSE
/usr/share/man/man1/ps_mem.1.gz
References
Summary
In this tutorial we learn how to install ps_mem on CentOS 8 using yum and dnf.