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other:newppl:starting [2016/03/10 12:59] jypeter Added mailing lists information |
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<note tip>Welcome to the CLIM & ESTIMR teams!\\ \\ You are probably reading this page because you are a new intern student, visitor, etc...\\ This page will help you survive your first steps at LSCE, at least survive the computers...\\ \\ Reading this page will save your life (and a lot of time)!</note> | <note tip>Welcome to the CLIM & ESTIMR teams!\\ \\ You are probably reading this page because you are a new intern student, visitor, etc...\\ This page will help you survive your first steps at LSCE, at least survive the computers...\\ \\ Reading this page will save your life (and a lot of time)!</note> | ||
+ | |||
+ | ===== Miscellaneous information ===== | ||
+ | |||
+ | A few useful links that have nothing to do with science and software resources! | ||
+ | |||
+ | * [[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) | ||
+ | * [[http://internationaloffice.ceasaclay.com/?lang=en|CEA Saclay International Office]] //Our multilingual staff is readily available to assist you through immigration procedures and to help you settle in France// | ||
+ | * [[https://www.universite-paris-saclay.fr/en/e-international-welcome-office|e-International Welcome Office]] //Paris-Saclay university help to prepare for your arrival in France and help you settle down in the best conditions// | ||
+ | * [[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]] | ||
+ | |||
+ | ===== Phone directory, and map of the building ===== | ||
+ | |||
+ | ==== Using existing information ==== | ||
+ | |||
+ | * [[https://intranet.lsce.ipsl.fr/en/Phocea/Membres/Annuaire/index.php|Phone directory]] (intranet) | ||
+ | * Dial **2** + ''NNNN'' (last 4 digits) to call somebody at LSCE (or CEA Saclay) from LSCE | ||
+ | * [[https://intranet.lsce.ipsl.fr/PlanLabo/index.html|701 and 714 map]] (intranet) | ||
+ | |||
+ | ==== Updating the directory/map information ==== | ||
+ | |||
+ | <WRAP center round important 60%> | ||
+ | It's very important that you update your phone/office information when you arrive at LSCE, so that other people can find you using the tools above! | ||
+ | </WRAP> | ||
+ | |||
+ | === Finding your phone number === | ||
+ | |||
+ | Use the following sequence of keys on the //Mitel// phone in your office: | ||
+ | - Select **MENU** (use the downward arrow) | ||
+ | - Select **PARAMETRES** (use the downward arrow) | ||
+ | - Select **GENERAL** (use the downward arrow) | ||
+ | - Select **MON NUMERO** | ||
+ | * This will display your **2** + ''NNNN'' phone number | ||
+ | * You can be called from outside with ''01 69 08 NN NN'' | ||
+ | |||
+ | === Updating your entry in the directory === | ||
+ | |||
+ | - Find your name in the [[https://intranet.lsce.ipsl.fr/en/Phocea/Membres/Annuaire/index.php|phone directory]] | ||
+ | - Click on **Modifier mes coordonnées** (in blue on the right side) | ||
+ | - Click on **Informations dans l'annuaire** and update the different fields | ||
+ | - Click on **Envoyez votre demande** | ||
===== The LSCE mailing lists ===== | ===== The LSCE mailing lists ===== | ||
- | It is important to register to the correct mailing lists, if you want to get all the information you need, on time. | + | It is important to join the correct mailing lists, if you want to get all the information you need, on time. |
==== The 'all' list ==== | ==== The 'all' list ==== | ||
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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/wifi/index.php|eduroam or guest wifi]] network, if your office is close enough to one of the access points. | ||
- | **Warning!** You can't connect directly to the LSCE servers from the wifi network. If you need to do that, you will have to connect to a server outside LSCE first, and then back to LSCE... | + | **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'' |
===== Accessing the LSCE intranet ===== | ===== Accessing the LSCE intranet ===== | ||
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* Reading the mails with the [[https://agenda.lsce.ipsl.fr/|webmail]] or [[https://intranet.lsce.ipsl.fr/informatique/en/mail/thunderbird.php|Thunderbird]] | * Reading the mails with the [[https://agenda.lsce.ipsl.fr/|webmail]] or [[https://intranet.lsce.ipsl.fr/informatique/en/mail/thunderbird.php|Thunderbird]] | ||
- | * As soon as you have a LSCE e-mail address, make sure it is added to the clim or estimr **mailing list** | + | * As soon as you have a LSCE e-mail address, make sure it is added to the //clim// or //estimr// **mailing list** |
* [[https://intranet.lsce.ipsl.fr/informatique/en/orme/imprimantes.php|Printers]] | * [[https://intranet.lsce.ipsl.fr/informatique/en/orme/imprimantes.php|Printers]] | ||
- | ===== Accessing the CEA saclay intranet ===== | + | ===== Accessing the CEA Saclay intranet and other CEA web sites with vpnssl ===== |
- | Web site: http://www-saclay.cea.fr/ | + | <WRAP center round important 60%> |
+ | It used to be possible to access the CEA Saclay intranet by just clicking on http://www-saclay.cea.fr/ from any computer on the LSCE network. | ||
- | You can only access it from the LSCE and CEA network! This intranet is the place where you can get information about: | + | This is **not possible** anymore, now that LSCE is on the Paris-Saclay network (and not on the CEA network) |
+ | </WRAP> | ||
- | * [[http://www-saclay.cea.fr/Phocea/Page/index.php?id=374|CEA buses]] | + | Use the following steps: |
- | * [[http://www-saclay.cea.fr/fna/index.php|Security training registration]] | + | - Start Chrome (or try another browser) |
+ | - Open the following link: https://vpnssl.cea.fr/ | ||
+ | * ignore the security errors | ||
+ | * this link will work from the Paris Saclay network, and ANY other location (e.g. home) OUTSIDE of CEA | ||
+ | - Use your initials and badge number as the **login** (e.g. "//James Bond//" => "**jb007007**") and the number supplied by the //activIDentity// keyring, followed by your 4 digits personal code, as your **password** | ||
+ | - Select the CEA web site you want from the "Aventail WorkPlace" portal | ||
+ | * **Espace Sigma**: that's where you specify when you will be on holidays | ||
+ | * **Intranet Saclay**: where you can get information about the CEA buses, CEA directory, security training registration and information, practical information, etc... | ||
+ | * **Intranet du voyageur**: if you need to make a plane/train reservation | ||
+ | * ... | ||
+ | - Click on //logout// when you are done | ||
===== Setting up your desktop computer ===== | ===== Setting up your desktop computer ===== | ||
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Everybody working for CLIM & ESTIMR gets a computer that can be connected to the LSCE network. Please take the time to read the instructions below, that may help make your life easier | Everybody working for CLIM & ESTIMR gets a computer that can be connected to the LSCE network. Please take the time to read the instructions below, that may help make your life easier | ||
- | ==== Windows 7 computer ==== | + | ==== Windows computer ==== |
- | Read the notes (and follow the instructions) in [[other:index#windows_7_notes|Windows 7 notes]], especially the [[other:win7config|Basic Windows 7 Configuration]] section | + | 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 |
=== 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 got 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 ''.\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]]. |
==== Linux computer ==== | ==== Linux computer ==== | ||
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Sorry, you are on your own, but it's soooo easy to use, right? | Sorry, you are on your own, but it's soooo easy to use, right? | ||
+ | |||
+ | ===== 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 | ||
===== Accessing the Linux servers from your LSCE deskop ===== | ===== Accessing the Linux servers from your LSCE deskop ===== | ||
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==== Windows desktop ==== | ==== Windows desktop ==== | ||
- | There should be an //Asterix// shortcut on the left side of your desktop. Double-click on it in order to open a window environment on one of the asterix servers. Each terminal you will open in this environment will run on the same asterix server. Use ssh to [[#which_linux_servers_should_you_use|connect to an obelix server]] if you need to run something that will require more computing resources | + | 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 | ||
+ | |||
+ | 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 | ||
===== Which Linux servers should you use? ===== | ===== Which Linux servers should you use? ===== | ||
- | There are lots of things you can do directly on your local Win7 or Linux desktop (displaying pdf, images, using a text editor, ...), rather than directly on the 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** 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**. |
- | Otherwise, use the appropriate Linux servers. The load balancing system will send you to the server that has currently the smallest load | + | Otherwise, **use the appropriate Linux servers**. The //load balancing// system will send you to the server that has currently the smallest load |
- | * asterixN (''ssh asterix'', or ''ssh asterix.lscelb''): use these servers for the usual day-to-day work (things that use less than 1 Gb, don't use 100% CPU for a long time) | + | * **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 |
- | * obelixN (''ssh obelix'', or ''ssh obelix.lscelb''): use these servers for interactive processes that will need //more// ram and/or CPU during a //longer// time | + | * <code> $ ssh obelix |
- | * [[https://intranet.lsce.ipsl.fr/informatique/orme/calcul/batch.php|the batch system]] for really heavy duty programs | + | 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 | ||
+ | >echo $HOST | ||
+ | obelix5 | ||
+ | >hostname | ||
+ | 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 | ||
+ | * //asterixN//: some people may mention these servers, but they don't exist any more! | ||
+ | |||
+ | ==== Which shell are you using? ==== | ||
+ | |||
+ | It is important to know which //shell// you are using if you need to configure and tune your Linux account. The shell is basically the program that waits for you to type commands in a terminal and passes them to the computer | ||
+ | |||
+ | If you are not sure which shell is running in your terminals, you can use ''echo $SHELL'' to find out: | ||
+ | |||
+ | <code> | ||
+ | # Somewhere with tcsh | ||
+ | > echo $SHELL | ||
+ | /bin/tcsh | ||
+ | |||
+ | # Somewhere else with bash | ||
+ | $ echo $SHELL | ||
+ | /bin/bash | ||
+ | </code> | ||
==== Determining the load of a Linux server ==== | ==== Determining the load of a Linux server ==== | ||
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<note warning> | <note warning> | ||
* 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 | ||
- | * **Put the source codes, scripts and papers you are writing on a backed up disk** | + | * <wrap em>**Put the source codes, scripts and papers you are writing on a backed up disk**</wrap> |
- | * Put temporary files on a scratch disk | + | * 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) |
- | * Do NOT put (big) data files on a backed up disk | + | * Put **temporary files** on a scratch disk (''scratch01'' at LSCE) |
+ | * Do **NOT** put (big) data files on a backed up disk | ||
* Do not forget to clean your directories before you leave (ask your advisor what should be kept or cleaned) | * Do not forget to clean your directories before you leave (ask your advisor what should be kept or cleaned) | ||
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* 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 same path from a local desktop: | + | * Accessing the path above from a local desktop: |
* Linux desktop: ''/home/scratch01/your_lsce_login'' | * Linux desktop: ''/home/scratch01/your_lsce_login'' | ||
- | * Windows desktop: ''\\dfshost\dfs\scratch01\your_lsce_login'' | + | * Windows desktop: ''\\dfshost\dfs\scratch01\your_lsce_login''\\ {{ :other:newppl:dfs_on_win.png?nolink |}} |
==== The home directory ==== | ==== The home directory ==== | ||
* **Location**: the location depends on the machine you are connected to in the current terminal | * **Location**: the location depends on the machine you are connected to in the current terminal | ||
- | * On the LSCE servers (asterixN, obelixN): ''/home/users/your_lsce_login'' | + | * On the LSCE servers (obelixN): ''/home/users/your_lsce_login'' |
* Non LSCE servers: | * Non LSCE servers: | ||
* TGCC: ''/ccc/cont003/home/dsm/your_tgcc_login''\\ You can find out the location of all your directories with ''ccc_home -a'' (use ''ccc_home -h'' to find out all the available options) | * TGCC: ''/ccc/cont003/home/dsm/your_tgcc_login''\\ You can find out the location of all your directories with ''ccc_home -a'' (use ''ccc_home -h'' to find out all the available options) | ||
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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'' | ||
+ | * At LSCE, you can't read the content of somebody else's //home// directory | ||
* **Backup of the home directory on the LSCE servers**: YES! Every night | * **Backup of the home directory on the LSCE servers**: YES! Every night | ||
- | * More details on the [[https://intranet.lsce.ipsl.fr/informatique/en/orme/nsr/index.php|backup system]] page | + | * More details on the [[https://intranet.lsce.ipsl.fr/informatique/en/nsr/index.php|LSCE backup system]] page |
- | * Put the most important sources/scripts/data/papers in this directory | + | * <wrap em>Put the most important sources/scripts/data/papers in this directory</wrap> |
- | * Do not put temporary files, or big data files that are available somewhere else in this directory! | + | * **Do not** use the //home// directory to store: |
- | * Your home directory will also be archived when your account is closed | + | * temporary files (use ''scratch01'') |
+ | * big (or many) data files (use ''scratch01'' or a project specific disk) | ||
+ | * Your home directory will be archived when your account is closed, so that you or your advisor can access it later, if required | ||
* **Backup of the TGCC home directory**: YES! | * **Backup of the TGCC home directory**: YES! | ||
* Use the following command to access the backup: ''cd ~/.snapshot'' | * Use the following command to access the backup: ''cd ~/.snapshot'' | ||
- | * **Quota**: YES!\\ There is a limit to what you can store in your home directory. If you reach this limit, you may experience some seemingly random errors (can't connect to the servers, the new files have a 0 size, ...)\\ <code> | + | * **Quota**: YES!\\ There is a limit to what you can store in your home directory. If you reach this limit, you may experience some seemingly random errors (can't connect to the servers, the new files have a 0 size, ...)\\ The example below shows how to determine the //quota// on the LSCE disks: you can never go above the size displayed in the ''limit column'', and you cannot stay more than 7 days above the limit displayed in the ''quota'' column! The ''grace'' column will display either ''None'' (you cannot write on the disk anymore, unless you get below the ''quota'' limit) or ''N days'' (you can use the disk, but you have ''N days'' to go below the ''quota'' limit)\\ <code> |
> quota -s | > quota -s | ||
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==== The scratch directory ==== | ==== The scratch directory ==== | ||
+ | |||
+ | <note warning>Do not put anything in the scratch directory that you can't recreate with a program, or copy/download from somewhere else!</note> | ||
* **Location**: ''/home/scratch01/your_lsce_login'' | * **Location**: ''/home/scratch01/your_lsce_login'' | ||
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* **Backup**: NO | * **Backup**: NO | ||
* Use this directory for temporary and big data files | * Use this directory for temporary and big data files | ||
- | * The files older than 6 months (and possibly older than 1 month) will be **automatically deleted** if there is not enough free space. See the [[https://intranet.lsce.ipsl.fr/informatique/en/orme/disques.php|Scratch area]] section for more details | + | * The files older than 6 months (and possibly older than 1 month) will be **automatically deleted** if there is not enough free space. See the [[https://intranet.lsce.ipsl.fr/informatique/en/disques.php|Scratch area]] section for more details on the retention policy |
+ | * In other words, the files are guaranteed to stay 1 month and possibly longer | ||
* **Quota**: NO | * **Quota**: NO | ||
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==== Project specific directories ==== | ==== Project specific directories ==== | ||
+ | |||
+ | <note warning>The data on these disks is <wrap em>probably not backed up</wrap>... You are not protected against file deletion by mistake, or a disk crash (a major disk crash is not likely, but can happen) | ||
+ | |||
+ | \\ You should <wrap em>store your source codes, scripts, notebooks, manuscripts, reports, figures, on a backed up directory</wrap>, and only store on the project disks data downloaded from outside, or that you can regenerate with the backed up scripts</note> | ||
+ | |||
* **Location**: ''/home/some_project_name/your_lsce_login'' | * **Location**: ''/home/some_project_name/your_lsce_login'' | ||
* Ask your advisor if you should use a specific project directory and the technical details about it | * Ask your advisor if you should use a specific project directory and the technical details about it | ||
- | * Use this directory for storing the (big) data files that you can't store in the //home// directory, and should not store in the //scratch// directory | + | * Use this directory for storing the (big) data files that you can't store safely in the //scratch// directory, and should not store in the //home// directory |
* **Backup**: ask your advisor | * **Backup**: ask your advisor | ||
* **Quota**: ask your advisor | * **Quota**: ask your advisor | ||
+ | |||
+ | ==== Determining the space used by directories ==== | ||
+ | |||
+ | 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 | ||
+ | /home/scratch01/jypeter | ||
+ | |||
+ | jypeter@obelix4 - ...jypeter - 47 >du -sh * | sort -rh | ||
+ | 58M GLAC1DHiceF26.nc | ||
+ | 47M dashboard | ||
+ | 44M GLAC1DdrainagePointerF26ka.nc | ||
+ | 15M octcdf | ||
+ | 12M 1901.nc | ||
+ | 3.2M cmake | ||
+ | ...</code> | ||
+ | |||
+ | ===== Which programs should you use? ===== | ||
+ | |||
+ | Your advisor will let you know which (version of which) programs you should use. Some programs are available by default, and you have to use the ''module'' command to access other programs. | ||
+ | |||
+ | ==== Which program am I using? ==== | ||
+ | |||
+ | At any time, you can use the ''which'' command to determine where a program is located. The option to get the //version// information of a program may vary (launch the program without arguments, with ''-v'' or ''%%--%%v'', ...). | ||
+ | |||
+ | <code> > which ncdump | ||
+ | /usr/bin/ncdump | ||
+ | |||
+ | > ncdump | ||
+ | ncdump [-c|-h] [-v ...] [[-b|-f] [c|f]] [-l len] [-n name] [-p n[,n]] [-k] [-x] [-s] [-t|-i] [-g ...] [-w] file | ||
+ | [...] | ||
+ | netcdf library version 4.3.3.1 of Dec 10 2015 16:44:18 $ | ||
+ | |||
+ | > which python | ||
+ | /usr/bin/python | ||
+ | |||
+ | > python --version | ||
+ | Python 2.7.5 | ||
+ | </code> | ||
+ | |||
+ | ==== Using module to access optional programs ==== | ||
+ | |||
+ | Main ''module'' options: | ||
+ | * ''module list'': list the currently loaded modules | ||
+ | * ''module avail'': list the available modules | ||
+ | * ''module load module_a ... module_n'': load modules (automatically including dependencies) | ||
+ | * ''module load module_a'': load default version of //module_a// | ||
+ | * ''module load module_a/vvv'': load ''vvv'' version of //module_a// | ||
+ | * ''module purge'': remove all modules | ||
+ | |||
+ | Detailed example: | ||
+ | <code> > which ncview | ||
+ | ncview: Command not found. | ||
+ | |||
+ | > module list | ||
+ | No Modulefiles Currently Loaded. | ||
+ | |||
+ | > module avail | ||
+ | [...] | ||
+ | batch_env grib_api/1.14.0 netcdf/4 python/3.6 | ||
+ | [...] | ||
+ | glost/0.3.1 ncview/2.1.7 python/2.7 | ||
+ | |||
+ | > module load ncview netcdf/4 | ||
+ | |||
+ | > module list | ||
+ | Currently Loaded Modulefiles: | ||
+ | 1) ncview/2.1.7 2) netcdf/4 | ||
+ | | ||
+ | > which ncview | ||
+ | /usr/local/install/ncview-2.1.7/bin/ncview | ||
+ | |||
+ | > which ncdump | ||
+ | /usr/local/install/netcdf-4.3.2/bin/ncdump</code> | ||
===== Useful documentation for beginners ===== | ===== Useful documentation for beginners ===== | ||
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* [[http://www.unidata.ucar.edu/software/netcdf/|Network Common Data Form (NetCDF)]] official page | * [[http://www.unidata.ucar.edu/software/netcdf/|Network Common Data Form (NetCDF)]] official page | ||
* [[http://www.unidata.ucar.edu/software/netcdf/docs/faq.html#How-many-netCDF-formats-are-there-and-what-are-the-differences-among-them|The different netCDF formats]] (and do not forget to use ''ncdump -k data.nc'' if you need to know the format) | * [[http://www.unidata.ucar.edu/software/netcdf/docs/faq.html#How-many-netCDF-formats-are-there-and-what-are-the-differences-among-them|The different netCDF formats]] (and do not forget to use ''ncdump -k data.nc'' if you need to know the format) | ||
+ | * The NetCDF file format is **self-documented**, and the metadata of climate data files often follows the [[http://cfconventions.org/|CF (Climate and Forecast) Metadata Conventions]] | ||
+ | * The files in the [[https://esgf-node.ipsl.upmc.fr/projects/esgf-ipsl/|CMIPn (n ≥ 5) database]] are written with the [[https://cmor.llnl.gov/|CMOR 3 library]] in order to make sure that they follow exactly the requested standards | ||
+ | * You can use [[other:win7apps#panoply|Panoply]] and [[http://meteora.ucsd.edu/~pierce/ncview_home_page.html|ncview]] for visualizing quickly the NetCDF files | ||
* [[https://code.zmaw.de/projects/cdo/wiki/Cdo#Documentation|Climate Data Operators]] for manipulating NetCDF files (and some other formats) | * [[https://code.zmaw.de/projects/cdo/wiki/Cdo#Documentation|Climate Data Operators]] for manipulating NetCDF files (and some other formats) | ||
* [[http://nco.sourceforge.net/#RTFM|netCDF Operator (NCO)]] for manipulating NetCDF files | * [[http://nco.sourceforge.net/#RTFM|netCDF Operator (NCO)]] for manipulating NetCDF files | ||
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- [[other:python:jyp_steps|JYP's recommended steps for learning python]] | - [[other:python:jyp_steps|JYP's recommended steps for learning python]] | ||
- | ===== Getting help from the LSCE system administrators ===== | + | ===== Getting help (from the LSCE system administrators) ===== |
- | Send a mail to: [[help-lsce@lsce.ipsl.fr]] | + | Send a mail to //help-lsce// |
+ | |||
+ | ==== Describing your problem ==== | ||
+ | |||
+ | When you need help from the administrators or other people, it will save a lot of time if you describe your problem as accurately as possible (do **not** just report //XXXXX is not working as expected// !) | ||
+ | |||
+ | You can copy-paste the error message(s). Finding the error //log file(s)// of the program/system (when available), or using the //verbose mode// of a program will make the problem resolution much easier and faster. The example below shows how to use the verbose mode of ''ssh'' | ||
+ | |||
+ | <code> >ssh -v obelix | ||
+ | OpenSSH_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017 | ||
+ | debug1: Reading configuration data /home/users/jypeter/.ssh/config | ||
+ | debug1: Reading configuration data /etc/ssh/ssh_config | ||
+ | debug1: /etc/ssh/ssh_config line 58: Applying options for * | ||
+ | debug1: Connecting to obelix [157.136.72.75] port 22. | ||
+ | debug1: Connection established. | ||
+ | debug1: key_load_public: No such file or directory | ||
+ | debug1: identity file /home/users/jypeter/.ssh/id_rsa type -1 | ||
+ | [...] | ||
+ | debug1: Entering interactive session. | ||
+ | debug1: pledge: exec | ||
+ | debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0 | ||
+ | debug1: Requesting X11 forwarding with authentication spoofing. | ||
+ | debug1: Sending environment. | ||
+ | debug1: Sending env LANG = en_US | ||
+ | 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> | ||
+ | |||
+ | ==== Taking a screenshot ==== | ||
+ | |||
+ | Sometimes, it may also help to send a picture of what is wrong! | ||
+ | |||
+ | On Linux, you should find a screenshot application in the tools available on the system. See the example below for people using the //xfce// windows manager | ||
+ | {{ :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]] | ||
+ | {{ :other:newppl:xnview_capture.jpg?200 |Click to get a larger version}} | ||
===== Accessing the LSCE servers from outside the LSCE ===== | ===== Accessing the LSCE servers from outside the LSCE ===== | ||
- | The only way to access the LSCE servers from outside LSCE is to connect first to the **idefix1.extra.cea.fr** gateway server. Unless you are on a machine that is outside LSCE, but still on the CEA network (e.g. one of the machines of the CEA computing center) | + | The only way to access the LSCE servers from outside LSCE is to connect first to the **ssh1.lsce.ipsl.fr** gateway server. |
+ | |||
+ | ==== Interactive access ==== | ||
- | - Send a mail to [[help-lsce@lsce.ipsl.fr]], and request an access to the idefix1 server | + | - Send a mail to //help-lsce//, and request an access to the //ssh1// server |
- | - Use ssh to connect to idefix1 | + | - Use ''ssh'' to **connect** to //ssh1// |
- | * From a Linux/mac desktop: ''ssh -A -X your_lsce_login@idefix1.extra.cea.fr'' | + | * From a Linux/mac desktop: ''ssh -A -X your_lsce_login@ssh1.lsce.ipsl.fr'' |
* From a Windows desktop: | * From a Windows desktop: | ||
* Text only: use [[other:win7apps#putty|Putty]] | * Text only: use [[other:win7apps#putty|Putty]] | ||
* Text & graphics. This is more complex to set up, and you need to use one of the options below: | * Text & graphics. This is more complex to set up, and you need to use one of the options below: | ||
- | * use [[other:win7apps#putty|Putty]] **and** [[other:win7apps#cygwin-x|cygwin/X]] | + | * use [[other:win7apps#vcxsrv_windows_x_server|VcXsrv]] |
+ | * use [[other:win7apps#cygwin-x|cygwin/X]] | ||
* use [[other:index#virtualbox_notes|VirtualBox]] | * use [[other:index#virtualbox_notes|VirtualBox]] | ||
- | - There is only a limited number of programs that you can run on idefix1, so you have to go from idefix1 to asterix, obelix or curie with on of the //ssh// commands below: | + | - 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 asterix.lscelb'' | + | * ''ssh obelix'' |
- | * ''ssh obelix.lscelb'' | + | |
* ''ssh your_tgcc_login@curie-ccrt.ccc.cea.fr'' | * ''ssh your_tgcc_login@curie-ccrt.ccc.cea.fr'' | ||
- It's possible to use only one line to to both ssh commands | - It's possible to use only one line to to both ssh commands | ||
- | * asterix: ''ssh -A -X your_lsce_login@idefix1.extra.cea.fr -t ssh -A asterix.lscelb'' | + | * obelix: ''ssh -A -X your_lsce_login@ssh1.lsce.ipsl.fr -t ssh -A obelix'' |
- | * obelix: ''ssh -A -X your_lsce_login@idefix1.extra.cea.fr -t ssh -A obelix.lscelb'' | + | * TGCC: ''ssh -A -X your_lsce_login@ssh1.lsce.ipsl.fr -t ssh -A your_tgcc_login@curie-ccrt.ccc.cea.fr'' |
- | * TGCC: ''ssh -A -X your_lsce_login@idefix1.extra.cea.fr -t ssh -A your_tgcc_login@curie-ccrt.ccc.cea.fr'' | + | |
- You can define an alias in order to connect more easily to the machines: | - You can define an alias in order to connect more easily to the machines: | ||
- | * //tcsh// users: add the following line to your ''~/.cshrc'' configuration file\\ ''alias iasterix 'ssh -A -X your_lsce_login@idefix1.extra.cea.fr -t ssh -A asterix.lscelb''' | + | * //tcsh// users: add the following line to your ''~/.cshrc'' configuration file\\ ''alias sobelix 'ssh -A -X your_lsce_login@ssh1.lsce.ipsl.fr -t ssh -A obelix''' |
- | * //bash// users: add the following line to your ''~/.bashrc'' configuration file\\ ''alias iasterix='ssh -A -X your_lsce_login@idefix1.extra.cea.fr -t ssh -A asterix.lscelb''' | + | * //bash// users: add the following line to your ''~/.bashrc'' configuration file\\ ''alias sobelix='ssh -A -X your_lsce_login@ssh1.lsce.ipsl.fr -t ssh -A obelix''' |
- | - You should create and configure an //ssh key//, if you don't want to type your password each time you use ssh or scp: https://intranet.lsce.ipsl.fr/informatique/orme/ssh.php | + | - You should create and configure an //ssh key//, if you don't want to type your password each time you use ssh or scp |
- | - If you want more information about ssh | + | - If you want more information about ''ssh'' |
* Linux users: http://ciclad-web.ipsl.jussieu.fr/data/documents/ssh-utilisateurs-unix.pdf | * Linux users: http://ciclad-web.ipsl.jussieu.fr/data/documents/ssh-utilisateurs-unix.pdf | ||
* Windows users: http://ciclad-web.ipsl.jussieu.fr/data/documents/ssh_putty_v2_2011-1.pdf | * Windows users: http://ciclad-web.ipsl.jussieu.fr/data/documents/ssh_putty_v2_2011-1.pdf | ||
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==== Copying files to/from LSCE ==== | ==== Copying files to/from LSCE ==== | ||
- | If you are on a computer outside LSCE and you need to transfer a file to/from LSCE, you need to make the transfer between your current machine and idefix1! | + | 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'' |
- | * Example from a Linux/mac desktop: ''scp -p file_outside_lsce your_lsce_login@idefix1.extra.cea.fr:/home/scratch01/your_lsce_login/'' | + | * Example from a Linux/mac desktop: ''scp -p file_outside_lsce your_lsce_login@ssh1.lsce.ipsl.fr:/home/scratch01/your_lsce_login/'' |
- | * From a Windows desktop: use [[other:win7apps#winscp|winscp]] | + | |
===== What next? ===== | ===== What next? ===== |