Changes between Version 19 and Version 20 of Doc/DataAnalyse

Timestamp:

11/08/22 15:58:13 (20 months ago)

Author:

omamce

Comment:

--

Doc/DataAnalyse

@@ -104 +104 @@
 The C-ESM-EP documentation is here: https://github.com/jservonnat/C-ESM-EP/wiki
 Follow the main page step by step and you will find the elements to use it. If not, do not hesitate to contact J. Servonnat or post an issue on github.
+
+## Using the fast graphical display remote system at TGCC ##
+
+(known as Remote Desktop System service )
+
+Provides a fast display for graphical use : Ferret, Matplotlib, Jupyter, notebooks, etc ...
+
+Reference : 
+https://www-ccrt.ccc.cea.fr/docs/irene/fr/html/toc/fulldoc/Interactive_access.html?highlight=ccc_visu#remote-desktop-system-service-nicedcv
+
+This involves opening a GNOME session on Irene's graphical node. `niceDCV` will use the graphical cards on this node and on the local PC/Mac to allow a fast display. We have a fairly comfortable accelerated graphics display. We can then use Python notebooks by launching Firefox from Irene.
+
+niceDCV can be used either through a browser (thin client) or with the `DCV Viewer` application (thick client)
+
+### From a TGCC partner network ###
+
+From Irene, run the command :  
+
+```bash
+ccc_visu virtual -p v100l -A <project> -M store,work,scratch
+```
+
+- Replace `\<project>` with a project where you have computing time (gencmip6, gen2212, gen12006, ...)
+- As an option to `-M`, the file systems you will access.
+
+Normally the rest is explained by the system: 
+- It logs on to the graphical node
+- It displays a web link that you have to click
+- It opens a page that proposes to use niceDCV either through the browser (thin client) or with an application to download (thick client).
+
+### From any network, using ssh1, Spirit or any gateway known by TGCC ###
+
+From your local terminal (Mac or PC), open a connection to `ssh1` by creating a SOCKS proxy:
+
+```ssh -D 3128 <login>@ssh1.lsce.ipsl.fr```
+
+- The port number `3128` is arbitrary
+ 
+Then launch a browser and ask it to go through this SOCKS proxy. According to the machine :
+
+- `chrome --proxy-server="socks://localhost:3128"`
+- `/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --proxy-server="socks://localhost:3128"`
+
+It should be possible to do this with Firefox, Safari, ...
+
+Chrome connections are now seen by Irene as coming from `ssh1`: we are on the TGCC partner network, and we can use niceDCV as a web client.
+
+To use the thick client : 
+
+- Open the `DCV Viewer` application.
+- Configure it to go through the SOCKS proxy `connection settings`: `localhost:1357`.
+- You can then open the connection file.
+
+### GNOME configuration ###
+
+- Don't touch the language and keyboard settings: nice DCV does that very well on its own, and you'll soon get the hang of it!
+- On MAC: once nice DCV is active, go to the `Connection`:`Keyboards settings` menu and set :
+   - Use Option (⌥) as local modifier
+   - Use Command (⌘) as remote meta key
+- Copy/paste: as in GNOME: `Shift-Ctrl-C`/S`hift-Ctrl-V `in a terminal, and `Ctrl-C`/`Ctrl-V` in Firefox.
+
+### Finally ###
+
+Remember to close your sessions properly (see TGCC documentation).