How To Install systemtap-exporter on CentOS 8
Introduction
In this tutorial we learn how to install systemtap-exporter on CentOS 8.
What is systemtap-exporter
This package includes files for a systemd service that manages systemtap sessions and relays prometheus metrics from the sessions to remote requesters on demand.
We can use yum or dnf to install systemtap-exporter on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install systemtap-exporter.
Install systemtap-exporter 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 systemtap-exporter using dnf by running the following command:
sudo dnf -y install systemtap-exporter
Install systemtap-exporter 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 systemtap-exporter using yum by running the following command:
sudo yum -y install systemtap-exporter
How To Uninstall systemtap-exporter on CentOS 8
To uninstall only the systemtap-exporter package we can use the following command:
sudo dnf remove systemtap-exporter
systemtap-exporter Package Contents on CentOS 8
/etc/stap-exporter
/etc/stap-exporter/EXAMPLE
/etc/stap-exporter/EXAMPLE-BPF
/etc/stap-exporter/EXAMPLE_NOERROR
/etc/stap-exporter/autostart-also_ran.stp
/etc/stap-exporter/errno.stp
/etc/stap-exporter/syscallerrorsbypid.stp
/etc/stap-exporter/syscalllatency.stp
/etc/stap-exporter/syscallsbypid.stp
/etc/stap-exporter/syscallsrw.stp
/etc/stap-exporter/timeout.stp
/etc/stap-exporter/topsys.stp
/etc/sysconfig/stap-exporter
/usr/lib/systemd/system/stap-exporter.service
/usr/sbin/stap-exporter
/usr/share/man/man8/stap-exporter.8.gz
References
Summary
In this tutorial we learn how to install systemtap-exporter on CentOS 8 using yum and dnf.