other:newppl:starting
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other:newppl:starting [2016/03/10 13:59] – Added mailing lists information jypeter | other:newppl:starting [2019/07/12 17:13] – [Project specific directories] Added warning jypeter | ||
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<note tip> | <note tip> | ||
+ | |||
+ | ===== Miscellaneous information ===== | ||
+ | |||
+ | A few useful links that have nothing to do with science and software resources! | ||
+ | |||
+ | * [[other: | ||
+ | * [[https:// | ||
+ | * [[http:// | ||
+ | * [[https:// | ||
+ | * [[https:// | ||
+ | * [[https:// | ||
+ | |||
+ | ===== Phone directory, and map of the building ===== | ||
+ | |||
+ | ==== Using existing information ==== | ||
+ | |||
+ | * [[https:// | ||
+ | * Dial **2** + '' | ||
+ | * [[https:// | ||
+ | |||
+ | ==== Updating the directory/ | ||
+ | |||
+ | <WRAP center round important 60%> | ||
+ | It's very important that you update your phone/ | ||
+ | </ | ||
+ | |||
+ | === 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** + '' | ||
+ | * You can be called from outside with '' | ||
+ | |||
+ | === Updating your entry in the directory === | ||
+ | |||
+ | - Find your name in the [[https:// | ||
+ | - Click on **Modifier mes coordonnées** (in blue on the right side) | ||
+ | - Click on **Informations dans l' | ||
+ | - 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 ' | ==== The ' | ||
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The best you can do is use the [[https:// | The best you can do is use the [[https:// | ||
- | **Warning!** You can't connect directly to the LSCE servers from the wifi network. | + | **Warning!** You can't connect directly to the // |
===== Accessing the LSCE intranet ===== | ===== Accessing the LSCE intranet ===== | ||
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* Reading the mails with the [[https:// | * Reading the mails with the [[https:// | ||
- | * 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:// | * [[https:// | ||
- | ===== Accessing the CEA saclay | + | ===== Accessing the CEA Saclay |
- | Web site: http:// | + | <WRAP center round important 60%> |
+ | It used to be possible to access the CEA Saclay intranet by just clicking on http:// | ||
- | 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) |
+ | </ | ||
- | * [[http://www-saclay.cea.fr/Phocea/Page/index.php? | + | 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//" | ||
+ | - Select the CEA web site you want from the " | ||
+ | * **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, | ||
+ | * **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 | + | ==== Windows computer ==== |
- | Read the notes (and follow the instructions) | + | Read the notes in [[other: |
=== Getting administrator' | === Getting administrator' | ||
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<note warning> | <note warning> | ||
- | If an application requests administrator' | + | If an application requests administrator' |
==== 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:// | ||
===== 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 | + | There should be an //Obelix// shortcut on the left side of your desktop. Double-click on it in order to open a window |
+ | |||
+ | If there is not yet an //Obelix// shortcut, use the [[other: | ||
+ | |||
+ | Note: you can also use [[other: | ||
===== 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 | + | There are lots of things you can do directly on your **local** Win7/ |
- | Otherwise, use the appropriate Linux servers. The load balancing system will send you to the server that has currently the smallest load | + | Otherwise, |
- | * asterixN | + | * **obelix**// |
- | * obelixN ('' | + | * < |
- | * [[https:// | + | 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 | ||
+ | > | ||
+ | obelix5 | ||
+ | > | ||
+ | obelix5</code> | ||
+ | * [[https:// | ||
+ | * in some cases, you may need an account to use the [[http:// | ||
+ | * // | ||
+ | |||
+ | ==== 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 '' | ||
+ | |||
+ | < | ||
+ | # Somewhere with tcsh | ||
+ | > echo $SHELL | ||
+ | / | ||
+ | |||
+ | # Somewhere else with bash | ||
+ | $ echo $SHELL | ||
+ | / | ||
+ | </ | ||
==== 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**</ |
- | * Put temporary files on a scratch disk | + | * The <wrap em> |
- | * Do NOT put (big) data files on a backed up disk | + | * Put **temporary files** on a scratch disk ('' |
+ | * 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: ''/ | * Example path on the LSCE Linux server: ''/ | ||
- | * Accessing the same path from a local desktop: | + | * Accessing the path above from a local desktop: |
* Linux desktop: ''/ | * Linux desktop: ''/ | ||
- | * Windows desktop: '' | + | * Windows desktop: '' |
==== The home directory ==== | ==== The home directory ==== | ||
* **Location**: | * **Location**: | ||
- | * On the LSCE servers (asterixN, | + | * On the LSCE servers (obelixN): ''/ |
* Non LSCE servers: | * Non LSCE servers: | ||
* TGCC: ''/ | * TGCC: ''/ | ||
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* bash shell users: '' | * bash shell users: '' | ||
* emacs text editor: '' | * emacs text editor: '' | ||
+ | * You can go to your home directory by typing '' | ||
+ | * 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:// | + | * More details on the [[https:// |
- | * Put the most important sources/ | + | * <wrap em>Put the most important sources/ |
- | * Do not put temporary files, or big data files that are available somewhere else in this directory! | + | |
- | * Your home directory will also be archived when your account is closed | + | * temporary files (use '' |
+ | * big (or many) data files (use '' | ||
+ | * 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**: | * **Backup of the TGCC home directory**: | ||
* Use the following command to access the backup: '' | * Use the following command to access the backup: '' | ||
- | * **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, ...)\\ < | + | * **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 '' |
> quota -s | > quota -s | ||
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==== The scratch directory ==== | ==== The scratch directory ==== | ||
+ | |||
+ | <note warning> | ||
* **Location**: | * **Location**: | ||
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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:// | + | * 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:// |
+ | * 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> | ||
+ | |||
+ | \\ You should <wrap em>store your source codes, scripts, notebooks, manuscripts, | ||
+ | |||
* **Location**: | * **Location**: | ||
* 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 |
* **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 '' | ||
+ | |||
+ | < | ||
+ | / | ||
+ | |||
+ | jypeter@obelix4 - ...jypeter - 47 >du -sh * | sort -rh | ||
+ | 58M | ||
+ | 47M | ||
+ | 44M | ||
+ | 15M | ||
+ | 12M | ||
+ | 3.2M cmake | ||
+ | ...</ | ||
+ | |||
+ | ===== 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 '' | ||
+ | |||
+ | ==== Which program am I using? ==== | ||
+ | |||
+ | At any time, you can use the '' | ||
+ | |||
+ | < | ||
+ | / | ||
+ | |||
+ | > 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 | ||
+ | / | ||
+ | |||
+ | > python --version | ||
+ | Python 2.7.5 | ||
+ | </ | ||
+ | |||
+ | ==== Using module to access optional programs ==== | ||
+ | |||
+ | Main '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | |||
+ | Detailed example: | ||
+ | < | ||
+ | ncview: Command not found. | ||
+ | |||
+ | > module list | ||
+ | No Modulefiles Currently Loaded. | ||
+ | |||
+ | > module avail | ||
+ | [...] | ||
+ | batch_env | ||
+ | [...] | ||
+ | glost/ | ||
+ | |||
+ | > module load ncview netcdf/4 | ||
+ | |||
+ | > module list | ||
+ | Currently Loaded Modulefiles: | ||
+ | 1) ncview/ | ||
+ | | ||
+ | > which ncview | ||
+ | / | ||
+ | |||
+ | > which ncdump | ||
+ | / | ||
===== Useful documentation for beginners ===== | ===== Useful documentation for beginners ===== | ||
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* [[http:// | * [[http:// | ||
* [[http:// | * [[http:// | ||
+ | * The NetCDF file format is **self-documented**, | ||
+ | * The files in the [[https:// | ||
+ | * You can use [[other: | ||
* [[https:// | * [[https:// | ||
* [[http:// | * [[http:// | ||
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- [[other: | - [[other: | ||
- | ===== 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 // |
+ | |||
+ | ==== 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/ | ||
+ | |||
+ | < | ||
+ | OpenSSH_7.4p1, | ||
+ | debug1: Reading configuration data / | ||
+ | debug1: Reading configuration data / | ||
+ | debug1: / | ||
+ | debug1: Connecting to obelix | ||
+ | debug1: Connection established. | ||
+ | debug1: key_load_public: | ||
+ | debug1: identity file / | ||
+ | [...] | ||
+ | debug1: Entering interactive session. | ||
+ | debug1: pledge: exec | ||
+ | debug1: client_input_global_request: | ||
+ | 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): | ||
+ | | ||
+ | | ||
+ | jypeter@obelix3 - ...jypeter - 41 > | ||
+ | </ | ||
+ | |||
+ | ==== 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 | ||
+ | {{ : | ||
+ | |||
+ | On Windows, you can use the //Capture screen// option of [[other: | ||
+ | {{ : | ||
===== 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. | + | 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 | + | - Send a mail to //help-lsce//, and request an access to the // |
- | - Use ssh to connect to idefix1 | + | - Use '' |
- | * From a Linux/mac desktop: '' | + | * From a Linux/mac desktop: '' |
* From a Windows desktop: | * From a Windows desktop: | ||
* Text only: use [[other: | * Text only: use [[other: | ||
* 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: | + | * use [[other: |
+ | | ||
* use [[other: | * use [[other: | ||
- | - There is only a limited number of programs that you can run on idefix1, so you have to go from idefix1 | + | - 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 // |
- | * '' | + | * '' |
- | * '' | + | |
* '' | * '' | ||
- 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 | ||
- | | + | * obelix: '' |
- | | + | * TGCC: '' |
- | * TGCC: '' | + | |
- 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 '' | + | * //tcsh// users: add the following line to your '' |
- | * //bash// users: add the following line to your '' | + | * //bash// users: add the following line to your '' |
- | - 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:// | + | - 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 '' |
* Linux users: http:// | * Linux users: http:// | ||
* Windows users: http:// | * Windows users: http:// | ||
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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 | + | If you need to **transfer** files to/from LSCE, use '' |
- | * Example from a Linux/mac desktop: '' | + | * Example from a Linux/mac desktop: '' |
- | * From a Windows desktop: use [[other: | + | |
===== What next? ===== | ===== What next? ===== |
other/newppl/starting.txt · Last modified: 2025/02/04 14:39 by jypeter