How To Install shorewall-init on CentOS 8
Introduction
In this tutorial we learn how to install shorewall-init on CentOS 8.
What is shorewall-init
This package adds additional initialization functionality to Shorewall in two ways. It allows the firewall to be closed prior to bringing up network devices. This insures that unwanted connections are not allowed between the time that the network comes up and when the firewall is started. It also integrates with NetworkManager and distribution ifup/ifdown systems to allow for ’event-driven’ startup and shutdown.
We can use yum or dnf to install shorewall-init on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install shorewall-init.
Install shorewall-init 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 shorewall-init using dnf by running the following command:
sudo dnf -y install shorewall-init
Install shorewall-init 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 shorewall-init using yum by running the following command:
sudo yum -y install shorewall-init
How To Uninstall shorewall-init on CentOS 8
To uninstall only the shorewall-init package we can use the following command:
sudo dnf remove shorewall-init
shorewall-init Package Contents on CentOS 8
/etc/logrotate.d/shorewall-init
/etc/sysconfig/shorewall-init
/usr/lib/NetworkManager/dispatcher.d/01-shorewall
/usr/lib/systemd/system/shorewall-init.service
/usr/libexec/shorewall-init
/usr/libexec/shorewall-init/ifupdown
/usr/sbin/shorewall-init
/usr/share/doc/shorewall-init
/usr/share/doc/shorewall-init/changelog.txt
/usr/share/doc/shorewall-init/releasenotes.txt
/usr/share/licenses/shorewall-init
/usr/share/licenses/shorewall-init/COPYING
/usr/share/man/man8/shorewall-init.8.gz
/usr/share/shorewall-init
/usr/share/shorewall-init/version
References
Summary
In this tutorial we learn how to install shorewall-init on CentOS 8 using yum and dnf.