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To get started download the latest binary distribution. This binary requires a 64-bit Linux, a Java Runtime Environment version 6 or greater (e.g. OpenJDK or Oracle JRE) and Xvfb. Check the instructions for you Linux distribution below on how to install these packages on your system.

To start the fernapp server and make an application remotely accessible enter followed by the application's binary, for instance:

cd fernapp 
./ libreoffice


To access your application enter the following URL into a web browser (requires an installed JRE on your client machine too)


The default passphrase is "123". More usage instructions can be found here.


In order to access the fernapp server remotely you may need to open ports 8080 and 4711 in your firewall.

Fernapp will collect anonymous usage data. If you do not wish this you can disable it with "-Dfernapp.analyticsEnabled=false" in


Ubuntu / Debian

On Debian and Ubuntu use the following commands to install everything you need:

sudo apt-get install openjdk-6-jre unzip xvfb libxcomposite1 libxdamage1 x11-xkb-utils


Fernapp is known to run on Ubuntu 10.04 and later.


It is recommended to install these optional packages as well:

sudo apt-get install gnome-themes-standard xfonts-100dpi xfonts-75dpi xfonts-scalable xfonts-cyrillic


Red Hat Enterprise Linux

For Red Hat Enterprise Linux 6.4 do the following (tested with RHEL 6.4 on EC2):

sudo yum check-update
sudo yum install xorg-x11-server-Xvfb


Make sure that the firewall is correctly configured:

sudo system-config-firewall-tui
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