Differenze

Queste sono le differenze tra la revisione selezionata e la versione attuale della pagina.

--- calcoloscientifico:userguide:gui [12/11/2020 11:46] – fabio.spataro
+++ calcoloscientifico:userguide:gui [16/06/2024 17:02] (versione attuale) – [TurboVNC] fabio.spataro
@@ Linea 3: / Linea 3: @@
 This page shows how to connect to the ''gui.hpc.unipr.it'' server using Remote Desktop Protocol (RDP).
-=== Microsoft Windows 10 (client) ===
+=== Microsoft Windows (client) ===
 Install the [[https://wiki.asi.unipr.it/dokuwiki/doku.php?id=guide_utente:internet:guida_vpn|FortiClient VPN]].
@@ Linea 40: / Linea 40: @@
 === Linux (client) ===
-Install an X11 Remote Desktop Protocol (RDP) client like ''xfreerdp'' which is part of the [[http://www.freerdp.com|FreeRDP]] project.
 Install the [[https://wiki.asi.unipr.it/dokuwiki/doku.php?id=guide_utente:internet:guida_vpn|FortiClient VPN]].
+(You can try **openfortivpn** otherwise)
+Install an X11 Remote Desktop Protocol (RDP) client like ''xfreerdp'' which is part of the [[http://www.freerdp.com|FreeRDP]] project.
 Activate the VPN connection.
@@ Linea 51: / Linea 53: @@
 <code>
 xfreerdp \
-/u:<username> \
+    /u:<username> \
-/size:1440x900 \
+    /size:1440x900 \
-/v:gui.hpc.unipr.it \
+    /v:gui.hpc.unipr.it \
-/port:3389 \
+    /port:3389 \
-/clipboard \
+    /clipboard \
-/gdi:hw \
+    /gdi:hw \
-/bpp:24 \
+    /bpp:24 \
-/fonts \
+    /fonts \
-/cert-ignore
+    /cert-ignore
 </code>
@@ Linea 74: / Linea 76: @@
 Install the [[https://wiki.asi.unipr.it/dokuwiki/doku.php?id=guide_utente:internet:guida_vpn|FortiClient VPN]].
-Use one of the following remote desktop clients
+Install one of the following remote desktop clients
   * [[https://apps.apple.com/it/app/microsoft-remote-desktop/id1295203466|Microsoft Remote Desktop for Mac]]
   * [[https://www.freerdp.com|FreeRDP]]
-  * [[http://cord.sourceforge.net|CoRD]]
 to connect to the ''gui.hpc.unipr.it'' server.
+==== X11 forwarding ====
+Press the right button and select "Open Terminal".
+Optionally, set the Italian keyboard layout using the X Keyboard Extension:
+<code>
+setxkbmap it
+</code>
+Enable X11 forwarding within a ''Remote Desktop'' session:
+<code>
+ssh -X localhost
+</code>
+For testing purposes start the graphical program ''xeyes'':
+<code>
+srun \
+    --job-name=xeyes \
+    --partition=vrt \
+    --qos=vrt \
+    --time=0-00:30:00 \
+    --x11 \
+    --pty \
+    xeyes
+</code>
+Start ''(X-Window) CRYstalline Structures and DENsities'' ([[calcoloscientifico:userguide:xcrysden|XCrySDen]]):
+<code>
+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'
+</code>
+==== TurboVNC ====
+=== Linux (client) ===
+Download ''hpc-turbovnc-viewer'':
+<code>
+scp -p name.surname@login.hpc.unipr.it:/hpc/share/bin/hpc-turbovnc-viewer .
+</code>
+How to use ''hpc-turbovnc-viewer'' from your Linux box:
+<code>
+$ ./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.
+</code>
+Direct connection to the remote server:
+<code>
+./hpc-turbovnc-viewer name.surname@ui03.hpc.unipr.it
+</code>
+Connection via a jumping host:
+<code>
+./hpc-turbovnc-viewer --jump name.surname@login.hpc.unipr.it name.surname@wn99.hpc.unipr.it
+</code>
+How to specify desktop geometry and scale factor:
+<code>
+./hpc-turbovnc-viewer --geometry 1366x768 --scale 125 name.surname@ui03.hpc.unipr.it
+</code>
+How to enable VirtualGL (OpenGL rendering on the remote server):
+<code>
+./hpc-turbovnc-viewer --vgl name.surname@ui03.hpc.unipr.it
+</code>
+Upgrade ''hpc-turbovnc-viewer'':
+<code>
+./hpc-turbovnc-viewer --upgrade name.surname@ui03.hpc.unipr.it
+</code>