Changes between Version 24 and Version 25 of vnc3d
- Timestamp:
- 02/19/16 14:59:58 (8 years ago)
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vnc3d
v24 v25 52 52 Please notice that the VNC server is only available on vis-nodes! 53 53 54 === Prerequisite: Create a VNC password and a startup script on JURECA54 ==== prerequisite: Create a VNC password and a startup script on JURECA 55 55 This step is a prerequisite for using VNC and has only to be done '''once'''. 56 56 … … 59 59 It works as follows: 60 60 61 {{{ #! ShellExample61 {{{ #!sh 62 62 # request allocation on visualization node ('vncpasswd' only available on vis-nodes) 63 63 salloc -N 1 -p vis --gres=gpu:0 64 64 65 65 # spawn interactive application 'bash' on the visualization node 66 srun -n 1 --pty /bin/bash -i 66 srun -n 1 --pty /bin/bash -i 67 67 68 68 # create .vnc directory in HOME … … 71 71 72 72 # create VNC password for later authentication when connecting VNC viewer with VNC server 73 vncpasswd # now type in your vnc password73 vncpasswd # -> type in your VNC password (which will be stored in ~/.vnc/passwd) 74 74 75 75 # create/overwrite xstartup-script … … 87 87 88 88 To allocate a vis node with 512 GByte main memory for one hour, use: 89 {{{ #! ShellExample89 {{{ #!sh 90 90 # request allocation and spawn VNC server on visualization node 91 91 salloc -N 1 -p vis --gres=mem512,gpu:1 --start-xserver --time=1:00:00 … … 150 150 After typing in your VNC password, you will have access to the remote graphical desktop running on the visualization node of JURECA. 151 151 152 === 4. Use hardware acceleration 152 === 4. Use hardware acceleration in your VNC session 153 153 Any OpenGL application running in your VNC session should be started with '''vglrun''' to use the hardware acceleration provided by the visualization nodes. 154 155 ==== e.g. ParaView 156 Open a terminal in your VNC session and: 157 {{{ #!sh 158 # What versions of ParaView are available? 159 module spider ParaView 160 161 # load ParaView dependency 162 module load intel-para/2015.07 163 164 # load ParaView 165 module load ParaView/4.3.1 166 }}} 167 168 {{{ #!sh 169 # start ParaView using VirtualGL for hardware acceleration 170 vglrun ParaView 171 }}} 154 172 155 173 ----