Introduction
In this tutorial we learn how to install check_postgres on CentOS 8.
What is check_postgres
Script for checking the state of one or more Postgres databases and reporting back in a Nagios-friendly manner. It is also used for MRTG.
We can use yum or dnf to install check_postgres on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install check_postgres.
Install check_postgres 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 check_postgres using dnf by running the following command:
sudo dnf -y install check_postgres
Install check_postgres 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 check_postgres using yum by running the following command:
sudo yum -y install check_postgres
How To Uninstall check_postgres on CentOS 8
To uninstall only the check_postgres package we can use the following command:
sudo dnf remove check_postgres
check_postgres Package Contents on CentOS 8
/usr/bin/check_postgres.pl
/usr/share/doc/check_postgres
/usr/share/doc/check_postgres/README.md
/usr/share/doc/check_postgres/TODO
/usr/share/doc/check_postgres/check_postgres.pl.html
/usr/share/licenses/check_postgres
/usr/share/licenses/check_postgres/LICENSE
/usr/share/man/man1/check_postgres.pl.1.gz
References
Summary
In this tutorial we learn how to install check_postgres on CentOS 8 using yum and dnf.
