This page shows how to connect to the gui.hpc.unipr.it server using Remote Desktop Protocol (RDP).

Install the FortiClient VPN.

Activate the VPN connection:

VPN connection activated:

Connect to the gui.hpc.unipr.it server:

Insert username and password:

Here is the GNOME Desktop with a solid color background:

Press the right button and select "Open Terminal":

To disconnect from the "Remote Desktop", press the shutdown button (top right) then on the username and finally on "Log Out":

Confirm with "Log Out":

Install the FortiClient VPN.

(You can try openfortivpn otherwise)

Install an X11 Remote Desktop Protocol (RDP) client like xfreerdp which is part of the FreeRDP project.

Activate the VPN connection.

Connect to the gui.hpc.unipr.it server:

xfreerdp \
    /u:<username> \
    /size:1440x900 \
    /v:gui.hpc.unipr.it \
    /port:3389 \
    /clipboard \
    /gdi:hw \
    /bpp:24 \
    /fonts \
    /cert-ignore

Install the FortiClient VPN.

Install one of the following remote desktop clients

• Microsoft Remote Desktop for Mac
• FreeRDP

to connect to the gui.hpc.unipr.it server.

Press the right button and select "Open Terminal".

Optionally, set the Italian keyboard layout using the X Keyboard Extension:

setxkbmap it

For testing purposes start the graphical program xeyes:

srun \
    --job-name=xeyes \
    --partition=vrt \
    --qos=vrt \
    --time=0-00:30:00 \
    --x11 \
    --pty \
    xeyes

Start (X-Window) CRYstalline Structures and DENsities (XCrySDen):

srun \
    --job-name=xcrysden \
    --nodes=1 \
    --ntasks-per-node=1 \
    --cpus-per-task=4 \
    --mem=10G \
    --partition=cpu \
    --qos=cpu \
    --time=0-01:00:00 \
    --x11 \
    --pty \
    bash -c 'module load apptainer xcrysden && xcrysden'

Download hpc-turbovnc-viewer:

scp -p name.surname@login.hpc.unipr.it:/hpc/share/bin/hpc-turbovnc-viewer .

How to use hpc-turbovnc-viewer from your Linux box:

$ ./hpc-turbovnc-viewer --help
hpc-turbovnc-viewer - a wrapper to launch TurboVNC Viewer/Server
================================================================

Synopsis:
  hpc-turbovnc-viewer \
      [--geometry={WxH,Auto,Server}] \
      [--vgl] \
      [--scale={80,100,125,...}] \
      [--jump=[jump_user@]jump_server] \
      [--verbose] \
      [via_user@]via_server
  hpc-turbovnc-viewer --upgrade [via_user@]via_server
  hpc-turbovnc-viewer --help

Options passed to vncserver:
  --geometry=<geometry>            Set width and height of the virtual X display.
  --vgl                            Enable VirtualGL (OpenGL rendering).

Options passed to vncviewer:
  --scale=<scale>                  Scale the remote desktop image (default=100).
  --jump=[jump_user@]jump_server]  SSH jumping host.

Options:
  --upgrade                        Upgrade hpc-turbovnc-viewer.
  --verbose                        Display info messages.
  --help                           Display a help message and quit.

Direct connection to the remote server:

./hpc-turbovnc-viewer name.surname@ui03.hpc.unipr.it

Connection via a jumping host:

./hpc-turbovnc-viewer --jump name.surname@login.hpc.unipr.it name.surname@wn99.hpc.unipr.it

How to specify desktop geometry and scale factor:

./hpc-turbovnc-viewer --geometry 1366x768 --scale 125 name.surname@ui03.hpc.unipr.it

How to enable VirtualGL (OpenGL rendering on the remote server):

./hpc-turbovnc-viewer --vgl name.surname@ui03.hpc.unipr.it

Upgrade hpc-turbovnc-viewer:

./hpc-turbovnc-viewer --upgrade name.surname@ui03.hpc.unipr.it

Close the "Remote VNC Session":

• GNOME Desktop: press the shutdown button (top right) then on the username and finally on "Log Out". Confirm with "Log Out";
• MATE Desktop: "System" menu, "Log Out name.surname…". Confirm with "Log Out".