How To Install nsntrace on CentOS 8
Introduction
In this tutorial we learn how to install nsntrace on CentOS 8.
What is nsntrace
The nsntrace program uses Linux network namespaces to perform network traces of a single application. The traces are saved as pcap files. And can later be analyzed by for instance Wireshark.
We can use yum or dnf to install nsntrace on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install nsntrace.
Install nsntrace 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 nsntrace using dnf by running the following command:
sudo dnf -y install nsntrace
Install nsntrace 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 nsntrace using yum by running the following command:
sudo yum -y install nsntrace
How To Uninstall nsntrace on CentOS 8
To uninstall only the nsntrace package we can use the following command:
sudo dnf remove nsntrace
nsntrace Package Contents on CentOS 8
/usr/bin/nsntrace
/usr/lib/.build-id
/usr/lib/.build-id/fd
/usr/lib/.build-id/fd/a5cfbcc3587b89530bdf3462a7dac91bb3bce3
/usr/share/licenses/nsntrace
/usr/share/licenses/nsntrace/LICENSE
/usr/share/man/man1/nsntrace.1.gz
References
Summary
In this tutorial we learn how to install nsntrace on CentOS 8 using yum and dnf.