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--- other:newppl:starting [2022/03/30 13:58]
jypeter [Miscellaneous information] Extra request link for Science Accueil
+++ other:newppl:starting [2022/11/29 08:47]
jypeter [Text editors]
@@ Line 81: / Line 81: @@
 ===== Using your own computer at LSCE? =====
-No need to try to connect your personal laptop to the LSCE wire network, it will **not** work!
+<wrap em>You can't connect your personal laptop to the LSCE wired network</wrap> (aka //ethernet//), it will **not** work!
 The best you can do is use the [[https://intranet.lsce.ipsl.fr/informatique/en/wifi/index.php|Guest WiFi]] or [[https://intranet.lsce.ipsl.fr/informatique/en/wifi/eduroam.php|eduroam]] network, if your office is close enough to one of the access points.
-**Warning!** You **can't** connect directly to the //obelix// LSCE servers from the wifi network. You first have to connect to the ''ssh1.lsce.ipsl.fr'' //gateway// server, and then to ''obelix''. More details in [[#accessing_the_lsce_servers_from_outside_the_lsce|Accessing the LSCE servers from outside the LSCE]]
+**Warning!** You **can't** connect directly to the //obelix// LSCE servers from the wifi network. You first have to connect to the ''ssh1.lsce.ipsl.fr'' //gateway// server, and then to ''obelix''. More details in [[other:ssh#lsce_servers|LSCE servers]]
 ===== Accessing the LSCE intranet =====
 <WRAP center round tip 60%>
-If you try to access the intranet **from outside the LSCE** network (including //eduroam//), your browser will open a ''login''/''password'' popup window. Use your LSCE login (not your email address!) and password
+If you try to access the intranet **from outside the LSCE** network (including //eduroam//), your browser will open a ''login''/''password'' popup window.
+Use your LSCE login (not your email address!) and password\\ e.g. use ''jdoe'' and not ''jane.doe@lsce.ipsl.fr''
 </WRAP>
@@ Line 132: / Line 134: @@
 Read the [[other:index#windows_10_notes|Windows 10 notes]], especially the //Configuring Windows 10// section
-Note: there are also some [[other:index#windows_7_notes|Windows 7 notes]], but you are supposed to use Windows 10 since January 2020!
 === Getting administrator's rights ===
@@ Line 159: / Line 159: @@
 ==== Mac ====
-Sorry, you are on your own, but it's soooo easy to use, right?
+Sorry, you are (almost) on your own, but a Mac is soooo easy to use, right? 8-)
+Some useful mac links:
+  * [[other:ssh#a_recommended_terminal_for_mac|A recommended terminal for Mac]]
+  * [[other:x_conf#using_an_x_server_on_a_mac|Using an X server on a Mac]]
+  * [[other:ssh#mac_ssh_agent|Mac ssh agent]]
 ===== Accessing the Windows cluster from a Linux computer =====
-Follow the instructions in the [[https://intranet.lsce.ipsl.fr/informatique/en/winsrv.php|Windows servers]] page. If you need to use a program that is missing on this cluster, see the [[#getting_help_from_the_lsce_system_administrators|Help]] section
+If you have a Linux computer, but need to use a Windows application, follow the instructions in the [[https://intranet.lsce.ipsl.fr/informatique/en/winsrv.php|Windows servers]] page.
+If you need to use a program that is missing on the Windows cluster, see the [[#getting_help_from_the_lsce_system_administrators|Help]] section.
 ===== Accessing the LSCE Linux servers =====
-You have to [[other:ssh|Use ssh to connect to the servers]]
+You have to [[other:ssh|use ssh]] to connect to the [[other:ssh#lsce_servers|LSCE Linux servers]], and [[other:ssh#copying_files_with_scp|use scp to copy files between servers]]
-If you are really in a hurry, go directly to the [[other:ssh#connecting_to_the_lsce_servers_ipsl_servers_tgcc|Connecting to the LSCE servers, IPSL servers, TGCC, ...]] section, but it is important that you **read the full //ssh documentation// page at least once**!
+If you are really in a hurry, go directly to the [[other:ssh#connecting_to_servers_commonly_used_by_lsce_users|Connecting to servers commonly used by LSCE users]] section, but it is important that you **read the full [[other:ssh|ssh documentation]] page at least once**!
@@ Line 177: / Line 184: @@
 ==== Working directly on your desktop ====
-Always remember that **your local LSCE desktop can [[#accessing_remote_disks|access remote disks on the LSCE servers]]**.
+Always remember that **your local LSCE desktop/laptop can [[#accessing_remote_disks|access remote disks on the LSCE servers]]**.
-There are lots of things you can do directly on your **local** Windows 10 or Linux desktop (displaying pdf, images, using a text editor, ...), rather than on the remote servers. For example, if a script running on the servers generates a pdf file, it is more efficient to open this pdf file using ''Acrobat''/''evince'' on your desktop, than by using ''evince'' on the server.
+There are **lots** of things you can do directly on your **local** computer (displaying pdf, images, using a text editor, ...), rather than on the remote servers. For example, if a script running on the servers generates a pdf file, it is **more efficient** to open this pdf file using ''Acrobat''/''evince'' on your local computer, than by using ''evince'' on the server.
 ==== Available servers ====
-  * **The LSCE interactive servers**: ''obelix//NN//''. Use ''ssh obelix'' to access these servers, and the //load balancing// system will send you to the server that has currently the smallest load.\\ Never forget that you are sharing these servers with other users! Do not use too much CPU and/or memory for a long time. Heavy computation should be done on the obelix cluster
+  * **The LSCE interactive servers**: ''obelix//NN//''\\ Use ''ssh obelix'' to access these servers, and the //load balancing// system will send you to the server that has currently the smallest load.
+    * <wrap hi>Never forget that you are sharing these servers with other users!</wrap>
+    * <wrap hi>Do not use too much CPU and/or memory for a long time</wrap>. Heavy computation should be done on the [[https://intranet.lsce.ipsl.fr/informatique/en/calcul/batch.php|LSCE cluster]]
+      * Learn how to [[other:newppl:starting#determining_the_load_of_a_linux_server|use the top command]] to determine the current load of a server and the CPU/memory usage of your processes !
     * <code>$ ssh obelix
 Last login: Mon Jun  3 08:49:53 2019 from somewhere
@@ Line 192: / Line 202: @@
 obelix5</code>
-  * **[[https://intranet.lsce.ipsl.fr/informatique/en/calcul/batch.php|The LSCE cluster]]** (aka the //batch system//). Use this for really heavy duty programs
+  * **[[https://intranet.lsce.ipsl.fr/informatique/en/calcul/batch.php|The LSCE cluster]]** (aka the //batch system//)\\ Use this cluster for really heavy duty programs, rather than killing the multi-users interactive servers
-  * **[[http://mesocentre.ipsl.fr/|The ciclad and climserv servers]]**. In some cases, you may need an account to use the [[http://mesocentre.ipsl.fr/|IPSL/ESPRI clusters]], especially if you need to use data files that are already available/mirrored there (e.g. **''CMIPn'' data**), rather than copying the data to LSCE
+  * **The [[http://mesocentre.ipsl.fr/|IPSL/ESPRI Mesocenter servers/clusters]]** (''ciclad'' / ''climserv'' / etc...)\\ You will need an account (different from your //LSCE// account) to access these servers and use data files that are already available/mirrored there (e.g. **''CMIPn'' data**). **Do not duplicate** at LSCE data that is already available on IPSL servers and that you can process there!
     * [[http://mesocentre.ipsl.fr/account-opening/|Requesting a new account]]
-  * **The ''asterix//N//'' servers**: some wise LSCE elders may mention these servers, but they don't exist any more!
+    * [[https://documentations.ipsl.fr/MESO_User/|IPSL ESPRI Mesocenter documentation]] (//English//)
+    * [[https://mesocentre.ipsl.fr/quick-start/|Utilisation du Mésocentre IPSL]] (//French//, the //English// documentation link above has more information)
+  * **The ''asterix//NN//'' servers**\\ Some wise LSCE elders may mention these servers, but they don't exist any more!
 ==== Which shell are you using? ====
@@ Line 269: / Line 283: @@
 ==== Accessing remote disks ====
-It is possible to access directly all the disks on the LSCE servers from your //local// Linux or Windows computer\\ (//local// = a computer on the LSCE ethernet/wired network)
+It is possible to **directly** access some disks on the LSCE servers from:
-  * Example path on the LSCE Linux server: ''/home/scratch01/your_lsce_login''
+  * a Linux or Windows computer connected directly to the LSCE ethernet/wired network
-  * Accessing the path above from a //local// computer:
+  * or a remote computer using the [[https://intranet.lsce.ipsl.fr/informatique/fr/vpn-forticlient.php#vpnlsce|LSCE VPN]]
-    * Linux computer: ''/home/scratch01/your_lsce_login''
-    * Windows computer: ''\\dfshost\dfs\scratch01\your_lsce_login''\\ {{ :other:newppl:dfs_on_win.png?nolink |}}
+For security reasons, only backed up disks and ''scratch01'' can be accessed from Windows with //dfs//
+e.g. if you have a ''/home/scratch01/your_lsce_login'' path on a Linux server, you can access it the following way from your desktop/laptop:
+  * Linux computer: ''cd /home/scratch01/your_lsce_login''
+  * Windows computer explorer: ''\\dfshost\dfs\scratch01\your_lsce_login''\\ {{ :other:newppl:dfs_on_win.png?nolink |}}
 ==== The home directory ====
@@ Line 420: / Line 439: @@
     - A tutorial
   * Useful Linux commands for working with (potentially big) text files ({{:other:newppl:houchesa4_updated.pdf}})
-  * Using ssh on [[http://ciclad-web.ipsl.jussieu.fr/data/documents/ssh-utilisateurs-unix.pdf|Linux]] and [[http://ciclad-web.ipsl.jussieu.fr/data/documents/ssh_putty_v2_2011-1.pdf|Windows]]
+  * Using [[other:ssh|ssh]] and [[other:ssh#copying_files_with_scp|scp]]
-  * An annotated reference card of the emacs text editor ({{:other:newppl:emacs_jyp.pdf}})
-    * JYP's .emacs file: {{:other:emacs_linux_150806.tar|for Linux}} - {{:other:emacs_win_7_64_140408.zip|for Windows}}, with [[other:win7apps#gnu_emacs_gnuwin_diffutils|emacs for Windows]]
+==== Text editors ====
+<note important>A //jupyter notebook// is **not** a text editor!
+**You need a correct text editor to efficiently work with scripts and programs**
+{{ :other:newppl:real_programmers.png?direct&600 |}} [[https://www.explainxkcd.com/wiki/index.php/378:_Real_Programmers|xkcd & Real Programmers]]</note>
+There are **lots of text editors available** on Linux computers/servers (''emacs'', ''nano'', ''vi'', ''vim'', ''gvim'', ''gedit'', ...). You can use them:
+  * In basic **text terminals**
+    * useful if you are in a hurry, and/or working on a remote server with a bad network connection or have no local [[other:x_conf|X server]] running
+    * you should know the basic commands and shortcuts! Some text editors (e.g ''nano'') fortunately display some help at the bottom of the screen
+  * With a **full Graphical User Interface** (aka //GUI//) allowing you to use the mouse+menus/buttons/etc...
+    * you will need to have a //local// [[other:x_conf|X server]] running, if you want to use the text editor GUI on a //remote// server
+=== emacs ===
+<note important>Read the **dedicated [[other:emacs_doc|Using emacs]] page**, and become a power user!</note>
+=== vi (vim, gvim) ===
+  * [[https://www.atmos.albany.edu/daes/atmclasses/atm350/vi_cheat_sheet.pdf|vi cheat sheet]]
+  * [[https://web.mit.edu/merolish/Public/vi-ref.pdf|vi reference card]]
-You can also check the [[http://wiki.ipsl.jussieu.fr/FondamentauxpoleModelisationClimat|Les fondamentaux du pôle de modélisation du climat de l'IPSL]] wiki page
+=== Notepad++ ===
+[[other:win10apps#notepad|Notepad++]] is a nice and powerful text editor for **Windows**, but it is also very easy to [[other:emacs_doc#windows_installation|install emacs on Windows]]
 ==== NetCDF and file formats ====
@@ Line 441: / Line 486: @@
     * Using the [[http://unidata.github.io/netcdf4-python/|netCDF4]] module
-==== Using the Python language ====
+==== Programming languages ====
-  - [[other:python:starting|Working with Python]]
+  * [[other:index#python_notes|JYP's Python notes]]
-  - [[other:python:jyp_steps|JYP's recommended steps for learning python]]
 ===== Getting help (from the LSCE system administrators) =====
@@ Line 484: / Line 528: @@
 {{ :other:newppl:screenshot_xfce.jpg?200 |Click to get a larger version}}
-On Windows, you can use the //Capture screen// option of [[other:win7apps#xnview|XnView]]
+On Windows, you can use [[other:win10apps#snip_sketch|Snip & Sketch]], or the //Capture screen// option of [[other:win10apps#xnview_classic|XnView]]
 {{ :other:newppl:xnview_capture.jpg?200 |Click to get a larger version}}
+===== Getting help, when using the IPSL Mesocenter =====
+Check the [[https://mesocentre.ipsl.fr/contacts//|Contacts]] page
 ===== What next? =====

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