| Variable | Value | Purpose | |----------|-------|---------| | GTK_THEME | Adwaita:dark | Avoid rendering glitches on dark mode | | WEBKIT_DISABLE_COMPOSITING_MODE=1 | 1 | Fix flickering login screens | | LD_PRELOAD | /lib64/libc.so.6 | Workaround for some glibc conflicts | Save as check_citrix_linux.sh :
sudo usermod -a -G plugdev $USER # Debian/Ubuntu sudo usermod -a -G usb $USER # RHEL | Distro | Minimum Version | Kernel Minimum | |--------|----------------|----------------| | Ubuntu | 20.04 LTS | 5.4 | | Debian | 11 (Bullseye) | 5.10 | | RHEL | 8.6 | 4.18 | | SUSE | 15 SP3 | 5.3 | | Fedora | 36 | 5.18 | Note: Older kernels may work, but features like multi‑monitor (with DPI scaling) and clipboard between Linux/Windows require modern kernel support for shared memory (POSIX shm). 7. Environment Variables (Tuning Runtime Behavior) Add these to /opt/Citrix/ICAClient/config/env.conf or your start script: citrix workspace app linux runtime requirements
# Debian/Ubuntu sudo apt install libwebkit2gtk-4.0-37 sudo dnf install webkit2gtk3 3. Graphics & GPU Acceleration (HDX 3D Pro) For high-performance or 3D workloads, install these runtime components: Graphics & GPU Acceleration (HDX 3D Pro) For
# Ubuntu/Debian curl -L https://downloads.citrix.com/.../repo/debian/install.sh | bash Last tested with Citrix Workspace App 2402 for Linux. citrix workspace app linux runtime requirements