Table of contents:

What is Citrix Workspace?

Citrix Workspace has a proprietary license.

Citrix Workspace is a digital workspace software platform developed by Citrix Systems that allows multiple users to remotely access and operate Microsoft Windows desktops running in a datacenter or a public or private cloud, via devices located elsewhere.

The client works with Citrix environments only.

How to install Citrix Workspace on Buster

In 2018, Citrix Receiver was replaced by the Citrix Workspace application.

Step 1: Download the official Citrix Workspace app

Download the official Citrix Workspace app for Debian available here

Scroll down to "Debian Packages" then select "Full Packages (Self-Service Support) additionally download "USB Support Packages"

Step 2: Install Citrix Workspace

Install Citrix Workspace and USB Support Packages using apt as root (or with sudo).

$ sudo apt install ./icaclient_<PRESS TAB> to autocomplete
$ sudo apt install ./ctxusb_<PRESS TAB> to autocomplete

Step 3: Download your Employers CA Certificates

The following steps provide guidance on downloading CA certificates from your employer and using the ctx_rehash tool.

Step 3a: Download CA Certificates in PEM format Download CA certificates in PEM format. Save the certificate with .crt file extension.

Step 3b: Copy certificates to cacerts

• Switch to root user (or use sudo) and copy the .crt CA certificate file to /opt/Citrix/ICAClient/keystore/cacerts/ folder.

Step 3c: Create a Symbolic Link

Create a symbolic link from the mozilla certificates to Citrix's cacerts directory:

$ sudo ln -s /usr/share/ca-certificates/mozilla/* /opt/Citrix/ICAClient/keystore/cacerts/

Step 4: Citrix Rehash

Run the following command as root (or via sudo) for the ctx_rehash utility:

$ sudo /opt/Citrix/ICAClient/util/ctx_rehash 

Step 5: Launch Citrix Workspace app

Launch the Citrix Workspace app and log in to your employers environment!

Previous Citrix Workspace and Receiver Steps on older Debian Versions

Installing icaclient_13 on Wheezy

First add the i386 architecture to your system:

$ dpkg --add-architecture i386
$ dpkg --print-architecture
amd64
$ dpkg --print-foreign-architectures
i386

As mentioned on mahesha.com (see sources) one needs to install files listed below.

$ aptitude install libxp6:i386
$ aptitude install libsm6:i386
$ aptitude install libxmu6:i386
$ aptitude install libxinerama1:i386
$ aptitude install libglib2.0-0:i386
$ aptitude install libxft2:i386
$ aptitude install libgtk2.0-0:i386

and

deb [arch=amd64,i386] http://http.us.debian...snip

Ubuntu.com (see sources) shows how to get rid of the nspluginwrapper dependency.

$ cd ~/Downloads
$ mkdir ica_temp
$ dpkg-deb -x icaclient_13.0.0_amd64.deb ica_temp
$ dpkg-deb --control icaclient_13.0.0_amd64.deb ica_temp/DEBIAN
$ su
# emacs ica_temp/DEBIAN/control

And get rid of nspluginwrapper in the section Depends.

Depends: ...nspluginwrapper...

Rebuild the package.

$ dpkg -b ica_temp icaclient-modified.deb

Install this modified package.

$ su
# dpkg -i icaclient-modified.deb

As last mission I had to export ThawtePremiumServerCA.crt into folder /opt/Citrix/ICAClient/keystore/cacerts as PEM file. It's quite possible that not everyone would have to do this last thing. Update: It turned out that the above mentioned is not needed.

One way to launch a session is like so: /opt/Citrix/ICAClient/wfica.sh launch.ica. Update: Launching like this lead to an error message SSL error, Contact your helpdesk with the following information: A network error occurred (SSL error 4). Launching the application (Citrix remote desktop connection, Citrix Receiver) from within iceweasel by applying Open with wfica.sh did not bring an SSL error.

Sources

mahesha.com ubuntu.com

Installing icaclient_13 on Jessie

Download the official citrix receiver for Debian available here and run the following commands:

$ sudo apt-get install libwebkitgtk-1.0-0
$ sudo dpkg -i icaclient_13.3.0.344519_amd64.deb

Note: Please modify the above command based on the latest icaclient version

You will neeed to configure Iceweasel to run the "launch.ica" file via "/opt/Citrix/ICAClient/wfica.sh"

Below is the fix for the SSL error

$ sudo ln -s /usr/share/ca-certificates/mozilla/* /opt/Citrix/ICAClient/keystore/cacerts/

Installing icaclient_19 on Stretch

In 2018, Citrix Receiver was replaced by Citrix Workspace app. Download the official Citrix Workspace app for Debian available here and and run the following commands:

$ sudo apt-get install libwebkitgtk-1.0-0
$ sudo dpkg -i icaclient_19.3.0.5_amd64.deb

Installing icaclient_19 on Buster

In 2018, Citrix Receiver was replaced by Citrix Workspace app. Download the official Citrix Workspace app for Debian available here and download libwebkitgtk-1.0-0, libicu57, and libjavascriptcoregtk-1.0-0 from Stretch, then run the following command:

$ sudo dpkg -i libicu57_57.1-6+deb9u2_amd64.deb libjavascriptcoregtk-1.0-0_2.4.11-3_amd64.deb libwebkitgtk-1.0-0_2.4.11-3_amd64.deb icaclient_19.3.0.5_amd64.deb

Installing icaclient_20 on Buster

In 2018, Citrix Receiver was replaced by Citrix Workspace app. Download the official Citrix Workspace app for Debian available here and install it using apt install ./icaclient_*.deb as root (or with sudo). You do not, in my experience, need to install anything from stretch. You will (I assume) need the dependencies in citrix's .deb - on my gnome installation they were already installed

Citrix's packaging is not high quality, for example:

• files are installed in /opt;
• there are multiple statically linked files;
• there are multiple embedded libraries;
• the postinst is several scripts pasted together;
• the postinst and makes a number of modifications to your system;
• the postinst attempts to integrate with netscape;
• the postinst installs a plugin for either gstreamer1.0 or 0.10.0 depending on which version it finds installed (there are comments in the postinst that say 0.10 is preferred, but in my experience it works fine with 1.0);
• the postinst deletes files in $HOME for every user.

These deficiencies apply to all versions from (at least) 13 to 20.

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