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===== Download and Launching JXClient on Linux Variants =====

This page is a HOWTO for downloading and launching the [[jxclient|JXClient]] on Linux variants for use with the Crossfire.

==== Java or OpenJDK Installation ====

While either Sun Java or OpenJDK will work, the initial instructions are a guide for using OpenJDK Java Runtime Environment (or JRE).

===== Distribution Specific Dependencies =====

==== Check Java Installation and Version ====

Check if you have Java installed and what version with the following command:

  java -version

Some possible output:

  $ java -version
  openjdk version "1.8.0_402"
  OpenJDK Runtime Environment (build 1.8.0_402-8u402-ga-2ubuntu1~20.04-b06)
  OpenJDK 64-Bit Server VM (build 25.402-b06, mixed mode)

  $ java -version
  openjdk version "11.0.22" 2024-01-16
  OpenJDK Runtime Environment (build 11.0.22+7-post-Debian-1deb11u1)
  OpenJDK 64-Bit Server VM (build 11.0.22+7-post-Debian-1deb11u1, mixed mode, sharing)

  $ java -version
  openjdk version "11.0.22" 2024-01-16
  OpenJDK Runtime Environment (build 11.0.22+7-post-Ubuntu-0ubuntu222.04.1)
  OpenJDK 64-Bit Server VM (build 11.0.22+7-post-Ubuntu-0ubuntu222.04.1, mixed mode, sharing)

  $ java -version
  openjdk version "11.0.22" 2024-01-16
  OpenJDK Runtime Environment (build 11.0.22+7-post-Debian-1deb11u1)
  OpenJDK 64-Bit Server VM (build 11.0.22+7-post-Debian-1deb11u1, mixed mode, sharing)

  $ java -version
  openjdk version "17.0.10" 2024-01-16
  OpenJDK Runtime Environment (build 17.0.10+7-Debian-1deb12u1)
  OpenJDK 64-Bit Server VM (build 17.0.10+7-Debian-1deb12u1, mixed mode, sharing)

  $ java -version
  openjdk version "17.0.9" 2023-10-17
  OpenJDK Runtime Environment (Red_Hat-17.0.9.0.9-4) (build 17.0.9+9)
  OpenJDK 64-Bit Server VM (Red_Hat-17.0.9.0.9-4) (build 17.0.9+9, mixed mode, sharing)

  > java -version
  openjdk version "11.0.22" 2024-01-16
  OpenJDK Runtime Environment (build 11.0.22+7-suse-150000.3.110.1-x8664)
  OpenJDK 64-Bit Server VM (build 11.0.22+7-suse-150000.3.110.1-x8664, mixed mode)

  $ java -version
  openjdk version "17.0.10" 2024-01-16
  OpenJDK Runtime Environment (build 17.0.10+7-Ubuntu-123.10.1)
  OpenJDK 64-Bit Server VM (build 17.0.10+7-Ubuntu-123.10.1, mixed mode, sharing)

And if Java is not installed:

  $ java -version
  -bash: java: command not found

If you have Java installed you can proceed to the Download instructions. If Java is not installed, follow the next steps for installing OpenJDK.

==== Distribution Specific Install Instructions ====

==== Arch Linux ====

A quick reference for Arch Linux using the command line interface:

  sudo pacman -S jre8-openjdk

Instructions creation date: 2024-April-4

Last tested date: 2024-April-4

==== Debian ====

For all Debian versions, it is also possible to install Java using `default-jre` package (This dependency package points to the Java runtime, or Java compatible runtime recommended for this architecture)

==== Debian 10 (Buster) ====

A quick reference for Debian 10 (Buster):

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-4

==== Debian 11 (Bullseye) ====

A quick reference for Debian 11 (Bullseye):

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-4

==== Debian 12 (Bookworm) ====

A quick reference for Debian 12 (Bookworm):

  sudo apt install openjdk-17-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-4

==== Devuan ====

For all Devuan versions, it is also possible to install Java using `default-jre` package (This dependency package points to the Java runtime, or Java compatible runtime recommended for this architecture)

==== Devuan Chimaera 4.0 ====

A quick reference for Devuan (Chimaera 4.0):

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-4

==== Devuan Daedalus 5.0 ====

A quick reference for Devuan (Daedalus 5.0):

  sudo apt install openjdk-8-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-4

==== Fedora ====

==== Fedora 37 ====

A quick reference for Fedora 37 using the command line interface:

  sudo dnf install java-17-openjdk

Instructions creation date: 2024-April-4

Last tested date: 2024-April-5
  
==== Fedora 38 ====

A quick reference for Fedora 38 using the command line interface:

  sudo dnf install java-17-openjdk

Instructions creation date: 2024-April-4

Last tested date: 2024-April-5

==== Fedora 39 ====

A quick reference for Fedora 39 using the command line interface:

  sudo dnf install openjdk-8-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-5

==== Linux Mint ====

For all Linux Mint versions, it is also possible to install Java using `default-jre` package (This dependency package points to the Java runtime, or Java compatible runtime recommended for this architecture)

==== Linux Mint 20 (Ulyana) ====

A quick reference for Linux Mint 20 (Ulyana) using command line interface:

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-5

==== Linux Mint 20.1 (Ulyssa) ====

A quick reference for Linux Mint 20.1 (Ulyssa) using command line interface:

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-6

==== Linux Mint 20.2 (Uma) ====

A quick reference for Linux Mint 20.2 (Uma) using command line interface:

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-6

==== Linux Mint 20.3 (Una) ====

A quick reference for Linux Mint 20.3 (Una) using command line interface:

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-6

==== Linux Mint 21 (Vanessa) ====

A quick reference for Linux Mint 21 (Vanessa) using command line interface:

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-6

Last tested date: 2024-April-4

==== Linux Mint 21.1 (Vera) ====

A quick reference for Linux Mint 21.1 (Vera) using command line interface:

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-6

Last tested date: 2024-April-4

==== Linux Mint 21.2 (Victoria) ====

A quick reference for Linux Mint 21.2 (Victoria) using command line interface:

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-6

==== Linux Mint Debian Debian Edition 6 ====

A quick reference for Linux Mint Debian Debian Edition 6:

  sudo apt install openjdk-17-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-6

==== Manjaro ====

==== Manjaro 23.1.3 (Vulcan) ====

A quick reference for Manjaro using command line interface:

  sudo pacman -S jre11-openjdk

Instructions creation date: 2024-April-4

Last tested date: 2024-April-7

==== OpenSUSE ====

==== OpenSUSE Leap 15.5 ====

A quick reference for OpenSUSE Leap 15.5

  sudo zypper install java-11-openjdk

Instructions creation date: 2024-April-4

Last tested date: 2024-April-7
  
==== OpenSUSE Tumbleweed ====

A quick reference for OpenSUSE Tumbleweed

  sudo zypper install java-11-openjdk

Instructions creation date: 2024-April-4

Last tested date: 2024-April-7

==== Pop!_OS ====

==== Pop!_OS 22.04 LTS (NVIDIA) ====

A quick reference for Pop!_OS 22.04 LTS (NVIDIA) 

   sudo apt install default-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-7

==== Pop!_OS 22.04 LTS ====

A quick reference for Pop!_OS 22.04 LTS:

  sudo apt install default-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-7

==== Ubuntu ====

For all Ubuntu versions, it is also possible to install Java using `default-jre` package (This dependency package points to the Java runtime, or Java compatible runtime recommended for this architecture)

The dependency and instructions for the listed versions of Ubuntu includes or applies to all eight of the different flavors including:
  * Kubuntu
  * Lubuntu
  * Ubuntu Budgie
  * Ubuntu Kylin
  * Ubuntu Mate
  * Ubuntu Studio
  * Ubuntu Unity
  * Xubuntu

==== Ubuntu 20.04 (Focal Fossa) ====

A quick reference for Ubuntu 20.04 (Focal Fossa):

  sudo apt install openjdk-8-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-8
  
==== Ubuntu 22.04 (Jammy Jellyfish) ====

A quick reference for Ubuntu 22.04 (Jammy Jellyfish):

  sudo apt install openjdk-11-jre

Instructions creation date: 2024-April-8

Last tested date: 2024-April-4 

==== Ubuntu 23.10 (Mantic Minotaur) ====

A quick reference for Ubuntu 23.10 (Mantic Minotaur) using the command line interface:

  sudo apt install openjdk-17-jre

Instructions creation date: 2024-April-4

Last tested date: 2024-April-8

===== Download JXClient =====

1. Launch a web browser and visit the [[http://crossfire.real-time.com/clients/jxclient.html|JX Client]] web page and download the .jar file from one of the listed mirrors

{{:client:jxclient-linux:01_linux-jxclient_webpage.png?direct|}}

2. When prompted on saving or opening the jxclient.jar file, click on the Save File button

{{:client:jxclient-linux:02_linux-jxclient_save-file.png?direct|}}

3. Wait for the download to finish

{{:client:jxclient-linux:03_linux-jxclient_download.png?direct|}}

===== Launching the Client =====

1. Launch or open a terminal window

2. Inside the terminal, change (cd) to the directory where the jxclient.jar has been saved to (by default, this is the Downloads folder)

  cd Downloads/
  
3. You now need to change file permissions in order to make the file executable with the following command

  chmod +x jxclient.jar

4. While still in the terminal window, you can now launch the client with the following command

  java -jar jxclient.jar
  
5. Once the client launches, you will see the server selection screen (aka Metaserver) - select the server you want to connect to

{{:client:jxclient-linux:04_linux-jxclient_metaserver.png?direct|}}
  
Visit the [[jxclient#client_options|JX Client]] page for more launch options and features, such as directly connecting to a server and what layout resolution the client should use.
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