How To Install gkeytool-4.9 on Fedora 34

In this tutorial, we will discuss How To Install gkeytool-4.9 on Fedora 34 using dnf and yum package managers. Also, we will demonstrate how to uninstall and update gkeytool-4.9 as well.

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 gcj-4.9-jre-headless
or if you use dnf:
sudo dnf makecache && sudo dnf -y install gcj-4.9-jre-headless

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

What is gkeytool-4.9 and How to Install It?

First things first, you will need access to a server or computer running Fedora 34. This guide was written specifically with a server running Fedora 34 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 gkeytool-4.9 on Fedora 34. 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 gkeytool-4.9 on Fedora 34 using dnf

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

sudo dnf makecache --refresh

After updating database, You can install gkeytool-4.9 using dnf by running the following command:

sudo dnf -y install gcj-4.9-jre-headless

Install gkeytool-4.9 on Fedora 34 using yum

Because gkeytool-4.9 is available in Fedora 34’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 gkeytool-4.9 package on your server/computer by running the following command:

sudo yum -y install gcj-4.9-jre-headless

How to upgrade (update) a single package gkeytool-4.9 using yum?

To update all the packages available on the system:

yum update

If you want to update a specific package like gkeytool-4.9 in this example you should use the following command:

yum update gcj-4.9-jre-headless

To downgrade a package to an earlier version:

yum downgrade gcj-4.9-jre-headless

How to Upgrade gkeytool-4.9 on Fedora 34 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 gcj-4.9-jre-headless

How To remove gkeytool-4.9 from Fedora 34

To uninstall only the gkeytool-4.9 package you can execute the following command:

sudo dnf remove gcj-4.9-jre-headless

Extra info and code examples

GIJ is a Java bytecode interpreter, not limited to interpreting bytecode. It includes a class loader which can dynamically load shared objects, so it is possible to give it the name of a class which has been compiled and put into a shared library on the class path. The package contains as well a collection of wrapper scripts and symlinks. It is meant to provide a Java-RTE-like interface to the GIJ/GCJ tool set, limited to the headless tools and libraries.

  • Maintainer: unknown
  • Sources url: unknown
  • Section/Category: unknown


You now have a full guide on how to install gkeytool-4.9 using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the gkeytool-4.9 from Fedora 34.

See also:

How To Install gkeytool-4.9 on Debian 11

How To Install gkeytool-4.9 on Fedora 34

How To Install gkeytool-4.9 on Ubuntu 21.04

How To Install gkeytool-4.9 on CentOS 8

How To Install gkeytool-4.9 on Ubuntu 22.04