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other:newppl:starting [2019/07/12 17:13] – [Project specific directories] Added warning jypeterother:newppl:starting [2020/08/24 15:07] – [Accessing the Linux servers from your LSCE deskop] jypeter
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 A few useful links that have nothing to do with science and software resources! A few useful links that have nothing to do with science and software resources!
  
 +  * [[other:newppl:pub_transport|LSCE-related public transport]]
   * [[other:newppl:riealgo|Adding money online to your restaurant account]]   * [[other:newppl:riealgo|Adding money online to your restaurant account]]
   * [[https://intranet.lsce.ipsl.fr/Phocea/Page/index.php?id=97|Survival kit and other information for CDD and interns]] (LSCE intranet)   * [[https://intranet.lsce.ipsl.fr/Phocea/Page/index.php?id=97|Survival kit and other information for CDD and interns]] (LSCE intranet)
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   * [[https://logement.campus-paris-saclay.fr/| Trouver un logement dans une résidence universitaire]] (in French... //Finding a room in a student dorm//)   * [[https://logement.campus-paris-saclay.fr/| Trouver un logement dans une résidence universitaire]] (in French... //Finding a room in a student dorm//)
   * [[https://www.science-accueil.org/en/|Science Accueil]]   * [[https://www.science-accueil.org/en/|Science Accueil]]
 +  * {{:other:newppl:uvsq-guide-du-personnel-nov2019.pdf|Guide du Personnel UVSQ}}
  
 ===== Phone directory, and map of the building ===== ===== Phone directory, and map of the building =====
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 ===== Using your own computer at LSCE? ===== ===== Using your own computer at LSCE? =====
  
-No need to try to connect your laptop to the LSCE wire network, it will not work!+No need to try to connect your personal laptop to the LSCE wire network, it will **not** work!
  
-The best you can do is use the [[https://intranet.lsce.ipsl.fr/informatique/wifi/index.php|eduroam or guest wifi]] network, if your office is close enough to one of the access points.+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 ''ssh1.lsce.ipsl.fr'', and then to ''obelix''+**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]]
  
 ===== Accessing the LSCE intranet ===== ===== Accessing the LSCE intranet =====
  
-Web site: https://intranet.lsce.ipsl.fr/+<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 
 +</WRAP> 
 + 
 + 
 +Intranet web site: https://intranet.lsce.ipsl.fr/
  
 There is a lot of information available on the LSCE intranet, but you can only access it from a computer connected to the LSCE network There is a lot of information available on the LSCE intranet, but you can only access it from a computer connected to the LSCE network
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 ==== Windows computer ==== ==== Windows computer ====
  
-Read the notes in [[other:index#windows_7_notes|Windows 7 notes]] or [[other:index#windows_10_notes|Windows 10 notes]], especially the //Configuring Windows XX// section+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 === === Getting administrator's rights ===
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 <note warning>\\ Make sure you know what you are doing and that you are not executing a virus asking you suspicious access rights!\\ </note> <note warning>\\ Make sure you know what you are doing and that you are not executing a virus asking you suspicious access rights!\\ </note>
  
-If an application requests administrator's rights to install something or make changes to the computer, **and you are sure it's not a virus**, use the ''.\adminuser'' account and the ''adminuser'' password you received when your computer was configured, or ask the [[.:starting?do=edit#getting_help_from_the_lsce_system_administrators|system administrators]]. +If an application requests administrator's rights to install something or make changes to the computer, **and you are sure it's not a virus**, use the ''.\admin'' local account and the ''admin'' password you received when your computer was configured, or ask the [[.:starting?do=edit#getting_help_from_the_lsce_system_administrators|system administrators]]. 
  
 ==== Linux computer ==== ==== Linux computer ====
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 ===== Accessing the Linux servers from your LSCE deskop ===== ===== Accessing the Linux servers from your LSCE deskop =====
  
-==== Linux or mac desktop ====+[[other:ssh|Use ssh to connect to the servers]]
  
-Just open a terminal and [[#which_linux_servers_should_you_use|use ssh to connect to the appropriate server]]+If you are really in a hurry, go directly to the [[other:ssh#useful_aliases|Useful aliases]] section, but it is important that you **read the full //ssh documentation// page at least once**!
  
-==== Windows desktop ==== 
  
-There should be an //Obelix// shortcut on the left side of your desktop. Double-click on it in order to open a window (e.g. with graphics) environment on one of the obelix servers. Each terminal you will open in this environment will run on the same obelix server. Use ssh to [[#which_linux_servers_should_you_use|connect another server]] 
  
-If there is not yet an //Obelix// shortcut, use the [[other:win7apps#setup|VcXsrv XLaunch]] program to create it+===== Which Linux servers should you use? =====
  
-Note: you can also use [[other:win7apps#putty|Putty]] if you just need text windows, or [[other:win7apps#vcxsrv_windows_x_server|VcXsrv]] or [[other:win7apps#putty|Putty]]+[[other:win7apps#cygwin-x|Cygwin-X]] if you also need graphics+==== Working directly on your desktop ====
  
-===== Which Linux servers should you use? =====+Always remember that **your local LSCE desktop can [[#accessing_remote_disks|access remote disks on the LSCE servers]]**.
  
-There are lots of things you can do directly on your **local** Win7/Win10 or Linux desktop (displaying pdf, images, using a text editor, ...), rather than on the remote servers. Never forget that **your local desktop has access to the remote disks on the Linux 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.
  
-Otherwise, **use the appropriate Linux servers**. The //load balancing// system will send you to the server that has currently the smallest load+==== Available servers ====
  
-  * **obelix**//NN// (type ''ssh obelix'' to get there): never forget that you are sharing these servers with other users! Do not use too much CPU and 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.\\ 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 
-    * <code> $ ssh obelix+    * <code>$ ssh obelix
 Last login: Mon Jun  3 08:49:53 2019 from somewhere Last login: Mon Jun  3 08:49:53 2019 from somewhere
 # You can use one of the following commands if you want to know on which obelix you are # You can use one of the following commands if you want to know on which obelix you are
- >echo $HOST+$ echo $HOST
 obelix5 obelix5
- >hostname+$ hostname
 obelix5</code> obelix5</code>
-  * [[https://intranet.lsce.ipsl.fr/informatique/en/calcul/batch.php|the batch system]] (aka //obelix **cluster**//) for really heavy duty programs + 
-  * in some cases, you may need an account to use the [[http://mesocentre.ipsl.fr/|IPSL/ESPRI clusters]] (aka //ciclad// and //climserv//), especially if you need to use data that is already available/mirrored there, rather than copying the data to LSCE +  * **[[https://intranet.lsce.ipsl.fr/informatique/en/calcul/batch.php|The LSCE cluster]]** (aka the //batch system//). Use this for really heavy duty programs 
-  * //asterixN//: some people may mention these servers, but they don't exist any more!+  * **[[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 
 +    * [[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!
  
 ==== Which shell are you using? ==== ==== Which shell are you using? ====
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 If the Linux server you are working on seems slow, or if you want to get an idea of the resources **you** are using, you should use the ''top'' command If the Linux server you are working on seems slow, or if you want to get an idea of the resources **you** are using, you should use the ''top'' command
  
-<code>jypeter@obelix4 - ...jypeter - 46 >top+<code>  >hostname 
 +obelix3 
 + 
 + >top
 top - 17:48:51 up 8 days, 23:43, 29 users,  load average: 1.22, 1.38, 1.98 top - 17:48:51 up 8 days, 23:43, 29 users,  load average: 1.22, 1.38, 1.98
 Tasks: 324 total,   2 running, 320 sleeping,   2 stopped,   0 zombie Tasks: 324 total,   2 running, 320 sleeping,   2 stopped,   0 zombie
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   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
-10193 mpeau     20   0  302m 4336 2272 R 100.0  0.0   7033:08 emacs +10193 john      20   0  302m 4336 2272 R 100.0  0.0   7033:08 emacs 
-16504 mpeau     20   0  110m 2008 1228 S  0.7  0.0   0:00.13 tcsh +16504 john      20   0  110m 2008 1228 S  0.7  0.0   0:00.13 tcsh 
-26344 dzhu      20   0 1635m  20m 3880 S  0.3  0.1   0:44.90 ipython+26344 jane      20   0 1635m  20m 3880 S  0.3  0.1   0:44.90 ipython
     1 root      20   0 21448 1108  892 S  0.0  0.0   0:01.61 init     1 root      20   0 21448 1108  892 S  0.0  0.0   0:01.61 init
     [...]     [...]
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 <code>      PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND <code>      PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
-16092 jchang    20   0 8488m 8.1g 7912 R 99.6 25.9   1:41.38 idl +16092 bob       20   0 8488m 8.1g 7912 R 99.6 25.9   1:41.38 idl 
-23256 pvait     20   0  232m  70m 2632 S  0.0  0.2   0:01.36 R +23256 john      20   0  232m  70m 2632 S  0.0  0.2   0:01.36 R 
-26344 dzhu      20   0 1635m  20m 3880 S  0.0  0.1   0:44.87 ipython +26344 jane      20   0 1635m  20m 3880 S  0.0  0.1   0:44.87 ipython 
-10619 astege    20   0  954m 9292 2664 S  0.0  0.0   0:40.67 gedit+10619 bob       20   0  954m 9292 2664 S  0.0  0.0   0:40.67 gedit
  1362 nslcd     20   0  442m 6056 2208 S  0.0  0.0   2:13.98 nslcd  1362 nslcd     20   0  442m 6056 2208 S  0.0  0.0   2:13.98 nslcd
-16238 twang     20   0  128m 5068 2076 S  0.0  0.0   0:00.05 gconfd-2 +10193 john      20   0  302m 4336 2272 R 99.9  0.0   7024:13 emacs
-10193 mpeau     20   0  302m 4336 2272 R 99.9  0.0   7024:13 emacs+
     [...]</code>     [...]</code>
  
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   * It is very important to use the correct directories and make it easy for your advisor to find things after you have left   * It is very important to use the correct directories and make it easy for your advisor to find things after you have left
     * <wrap em>**Put the source codes, scripts and papers you are writing on a backed up disk**</wrap>     * <wrap em>**Put the source codes, scripts and papers you are writing on a backed up disk**</wrap>
-      * The <wrap em>backed up disk at LSCE</wrap> is [[#the_home_directory|/home/users/your_login]]. You should have a few Gb available on //home// (use the ''quota -s'' command to find out the exact amount)+      * The <wrap em>backed up disk at LSCE</wrap> is [[#the_home_directory|home directory]]\\ You should have a few Gb available on //home//\\ Use the ''quota -s'' command to find out the exact amount
     * Put **temporary files** on a scratch disk (''scratch01'' at LSCE)     * Put **temporary files** on a scratch disk (''scratch01'' at LSCE)
     * Do **NOT** put (big) data files on a backed up disk     * Do **NOT** put (big) data files on a backed up disk
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 ==== Accessing remote disks ==== ==== Accessing remote disks ====
  
-It is possible to access directly all the disks on the LSCE servers from your local Linux or Windows desktop+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)
  
   * Example path on the LSCE Linux server: ''/home/scratch01/your_lsce_login''   * Example path on the LSCE Linux server: ''/home/scratch01/your_lsce_login''
-  * Accessing the path above from a local desktop: +  * Accessing the path above from a //local// computer: 
-    * Linux desktop: ''/home/scratch01/your_lsce_login'' +    * Linux computer: ''/home/scratch01/your_lsce_login'' 
-    * Windows desktop: ''\\dfshost\dfs\scratch01\your_lsce_login''\\ {{ :other:newppl:dfs_on_win.png?nolink |}}+    * Windows computer: ''\\dfshost\dfs\scratch01\your_lsce_login''\\ {{ :other:newppl:dfs_on_win.png?nolink |}}
  
 ==== The home directory ==== ==== The home directory ====
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       * bash shell users: ''.profile'' and ''.bashrc''       * bash shell users: ''.profile'' and ''.bashrc''
       * emacs text editor: ''.emacs''       * emacs text editor: ''.emacs''
-    * You can go to your home directory by typing ''cd'' (no arguments), and to the home directory of somebody else with ''cd ~login_name'' +    * You can go to your home directory by typing ''cd'' (no arguments),\\ and to the home directory of somebody else with ''cd ~login_name'' 
-    * At LSCE, you can't read the content of somebody else's //home// directory+      * At LSCE, you can't read the content of somebody else's //home// directory by default
  
   * **Backup of the home directory on the LSCE servers**: YES! Every night   * **Backup of the home directory on the LSCE servers**: YES! Every night
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  > quota -s  > quota -s
  
-Disk quotas for user jypeter (uid 6369):+Disk quotas for user johndoe (uid 6369):
      Filesystem  blocks   quota   limit   grace   files   quota   limit   grace      Filesystem  blocks   quota   limit   grace   files   quota   limit   grace
 prolix3:/users/   4658M   4883M   4981M           23503       0       0</code> prolix3:/users/   4658M   4883M   4981M           23503       0       0</code>
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 Your Linux environment may sometimes stop working correctly because you have exceeded the allowed quota on your disks (check your quotas with ''quota -s''). You can use the following command to get the size of all the directories and files in the current directory, sorted by size: ''du -sh * | sort -rh'' Your Linux environment may sometimes stop working correctly because you have exceeded the allowed quota on your disks (check your quotas with ''quota -s''). You can use the following command to get the size of all the directories and files in the current directory, sorted by size: ''du -sh * | sort -rh''
  
-<code>jypeter@obelix4 - ...jypeter - 46 >cd /home/scratch01/jypeter +<code> >cd /home/scratch01/johndoe 
-/home/scratch01/jypeter+/home/scratch01/johndoe
  
-jypeter@obelix4 - ...jypeter - 47 >du -sh * | sort -rh+ >du -sh * | sort -rh
 58M     GLAC1DHiceF26.nc 58M     GLAC1DHiceF26.nc
 47M     dashboard 47M     dashboard
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 <code> >ssh -v obelix <code> >ssh -v obelix
 OpenSSH_7.4p1, OpenSSL 1.0.2k-fips  26 Jan 2017 OpenSSH_7.4p1, OpenSSL 1.0.2k-fips  26 Jan 2017
-debug1: Reading configuration data /home/users/jypeter/.ssh/config+debug1: Reading configuration data /home/users/johndoe/.ssh/config
 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Reading configuration data /etc/ssh/ssh_config
 debug1: /etc/ssh/ssh_config line 58: Applying options for * debug1: /etc/ssh/ssh_config line 58: Applying options for *
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 debug1: Connection established. debug1: Connection established.
 debug1: key_load_public: No such file or directory debug1: key_load_public: No such file or directory
-debug1: identity file /home/users/jypeter/.ssh/id_rsa type -1+debug1: identity file /home/users/johndoe/.ssh/id_rsa type -1
 [...] [...]
 debug1: Entering interactive session. debug1: Entering interactive session.
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 debug1: Sending env LANG = en_US debug1: Sending env LANG = en_US
 Last login: Thu Mar  1 15:52:44 2018 from lsce4078.lsce.ipsl.fr Last login: Thu Mar  1 15:52:44 2018 from lsce4078.lsce.ipsl.fr
-Disk quotas for user jypeter (uid 6369): + 
-     Filesystem   space   quota   limit   grace   files   quota   limit   grace + >
- prolix3:/users   4558M   9766M  10743M           23741       0       0 +
-jypeter@obelix3 - ...jypeter - 41 >+
 </code> </code>
  
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   - Send a mail to //help-lsce//, and request an access to the //ssh1// server   - Send a mail to //help-lsce//, and request an access to the //ssh1// server
   - Use ''ssh'' to **connect** to //ssh1//   - Use ''ssh'' to **connect** to //ssh1//
-    * From a Linux/mac desktop: ''ssh -A -X your_lsce_login@ssh1.lsce.ipsl.fr'' +    * From a terminal on a Linux/Windows10/Mac computer: ''ssh -A -X your_lsce_login@ssh1.lsce.ipsl.fr'' 
-    * From a Windows desktop: +    * From a Windows computer: 
-      * Text only: use [[other:win7apps#putty|Putty]] +      * Text only: use [[other:win10apps#putty_pageant|Putty]]. Putty allows you to open text terminals on remote computers 
-      * Text & graphics. This is more complex to set up, and you need to use one of the options below: +      * Text **and graphics**: you need to [[https://wiki.lsce.ipsl.fr/pmip3/doku.php/other:win10wsl#using_an_x_server|install an X server]] on your computer in order to display the graphics 
-        * use [[other:win7apps#vcxsrv_windows_x_server|VcXsrv]] +  - You can access all LSCE disks from //ssh1//, but there is only a limited number of programs that you can run, so you have to go from //ssh1// to //obelix// or //irene// with one of the ''ssh'' commands below:
-        * use [[other:win7apps#cygwin-x|cygwin/X]] +
-        * use [[other:index#virtualbox_notes|VirtualBox]] +
-  - You can access all LSCE disks from //ssh1//, but there is only a limited number of programs that you can run, so you have to go from //ssh1// to //obelix// or //curie// with one of the ''ssh'' commands below:+
     * ''ssh obelix''     * ''ssh obelix''
     * ''ssh your_tgcc_login@curie-ccrt.ccc.cea.fr''     * ''ssh your_tgcc_login@curie-ccrt.ccc.cea.fr''
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 ==== Copying files to/from LSCE ==== ==== Copying files to/from LSCE ====
  
-If you need to **transfer** files to/from LSCE, use ''scp'' (on Linux), or an scp client such as [[other:win7apps#winscp|WinSCP]] (on Windows) between your computer and ''ssh1.lsce.ipsl.fr''+If you need to **transfer** files to/from LSCE, use ''scp'' (on Linux and Windows 10), or a graphical scp client such as [[other:win10apps#winscp|WinSCP]] (on Windows) between your computer and ''ssh1.lsce.ipsl.fr''
  
-  * Example from a Linux/mac desktop: ''scp -p file_outside_lsce your_lsce_login@ssh1.lsce.ipsl.fr:/home/scratch01/your_lsce_login/''+  * Example: 
 +    * Sending **one file** from a Linux/Windows10/Mac computer to your //scratch// directory at LSCE:\\ ''scp -p file_on_your_computer_outside_lsce your_lsce_login@ssh1.lsce.ipsl.fr:/home/scratch01/your_lsce_login/'' 
 +    * Sending recursively **a full directory**:\\ ''scp -pr directory_on_your_computer_outside_lsce your_lsce_login@ssh1.lsce.ipsl.fr:/home/scratch01/your_lsce_login/''
  
 ===== What next? ===== ===== What next? =====
other/newppl/starting.txt · Last modified: 2025/02/04 14:39 by jypeter
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