How To Install dnssec-trigger-control on CentOS 8

One-liner Install Command

If you are only interested in the installation command, here is a quick answer for you:

sudo yum makecache && sudo yum -y install dnssec-trigger

sudo dnf makecache && sudo dnf -y install dnssec-trigger

But if you are interested in the details with step-by-step instructions, the following information will be helpful.

What is dnssec-trigger-control and How to Install It?

First things first, you will need access to a server or computer running CentOS 8. This guide was written specifically with a server running CentOS 8 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install dnssec-trigger-control on CentOS 8. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install dnssec-trigger-control on CentOS 8 using dnf

First, update dnf packages database with dnf by running the next command:

sudo dnf makecache --refresh

After updating database, You can install dnssec-trigger-control using dnf by running the following command:

sudo dnf -y install dnssec-trigger

Install dnssec-trigger-control on CentOS 8 using yum

Because dnssec-trigger-control is available in CentOS 8’s default repositories, it is possible to install it from these repositories using the yum packaging system.

To begin, update local packages database with yum using the following command.

sudo yum makecache --refresh

Now can install dnssec-trigger-control package on your server/computer by running the following command:

sudo yum -y install dnssec-trigger

How to upgrade (update) a single package dnssec-trigger-control using yum?

To update all the packages available on the system:

yum update

If you want to update a specific package like dnssec-trigger-control in this example you should use the following command:

yum update dnssec-trigger

To downgrade a package to an earlier version:

yum downgrade dnssec-trigger

How to Upgrade dnssec-trigger-control on CentOS 8 with dnf?

When you run the dnf update, all system packages with available updates are updated. However, if you want to upgrade a single package, then you would have to pass the package name as the argument to the dnf update command.

dnf update dnssec-trigger

How To remove dnssec-trigger-control from CentOS 8

To uninstall only the dnssec-trigger-control package you can execute the following command:

sudo dnf remove dnssec-trigger

Extra info and code examples

Dnssec-trigger reconfigures the local unbound DNS server. This unbound DNS server performs DNSSEC validation, but dnssec-trigger will signal it to use the DHCP obtained forwarders if possible, and fallback to doing its own AUTH queries if that fails, and if that fails prompt the user via dnssec-trigger-applet the option to go with insecure DNS only.

Conclusion

You now have a full guide on how to install dnssec-trigger-control using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the dnssec-trigger-control from CentOS 8.

See also: