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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Arcetri | FAQ</title>
<link href="bootstrap-4/css/bootstrap.css" rel="stylesheet">
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</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
<div class="container">
<a class="navbar-brand" href="index.html">Arcetri Cluster</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
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<div class="collapse navbar-collapse" id="navbarResponsive">
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<a class="nav-link" href="index.html">Home</a>
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</li>
</ul>
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</nav>
<div class="jumbotron jumbotron-fluid">
<h1 class="display-3">Frequently asked questions</h1>
<p class="lead">You didn't find appropriate answer? <a class="jumbotron-href" href="contacts.html">Contact us!</a></p>
</div>
<div class="container-fluid">
<div class="row">
<div class="col-1"></div>
<div class="col-10 content">
<div class="textblock">
<h1 class="textheader">Arcetri</h1>
<div id="arcetri-accordion" role="tablist" aria-multiselectable="true">
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#arcetri-accordion" href="#arcetri-account" aria-controls="arcetri-account">
How do I create an Arcetri account?
</a>
</h5>
</div>
<div id="arcetri-account" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
Write to our email address: arcetri-admin-people@cisco.com<br>
To handle your request faster please provide information about:
<ul>
<li>Name</li>
<li>Preferred account name</li>
<li>Email address</li>
<li>Phone number</li>
<li>SSH RSA public key (see <a href="#">here</a> how to generate SSH key)</li>
</ul>
After your account is created, see how to login to Arcetri.
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#arcetri-accordion" href="#arcetri-key" aria-controls="arcetri-key">
How can I send SSH key?
</a>
</h5>
</div>
<div id="arcetri-key" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<p>
<h4>If you are a Windows user</h4>
<b>1. Check for existing SSH keys</b><br>
Open a command prompt, and run<br>
<code>cd %userprofile%/.ssh</code>
<ul>
<li>If you see "No such file or directory", then there aren't any existing keys: go to step 2.</li>
<li>Check to see if you have a key already:</li>
<code>dir id_*</code><br>
If there are existing keys, you may want to use those. Go to step 3 to send us your public SSH key
</ul>
<b>2. If you don't have SSH key, generate a new SSH key</b>
If you don't have an existing SSH key that you wish to use, generate one as follows:<br>
<ul>
<li>Log in to your local computer as an administrator.</li>
<li>In a command prompt, run:</li>
<code>ssh-keygen -t rsa -C "your_email@example.com"</code>
Associating the key with your email address helps you to identify the key later on.<br>
<li>Just press Enter to accept the default location and file name. If the .ssh directory doesn't exist, the system creates one for you.</li>
<li>Enter, and re-enter, a passphrase when prompted.</li>
<li>You're done! Go to step 3 to send us your public SSH key</li>
</ul>
<b>3. Send us public SSH key</b>
Attach your <code>id_rsa.pub</code> file to your account request email.<br>
<b>WARNING:</b> send <code>id_rsa.pub</code>, not <code>id_rsa</code> file! <code>id_rsa</code> is your private confidential key, similar to your passwords!
</p>
<h4>If you are a Unix/OS X user</h4>
<p>
<b>1. Check for existing SSH keys</b><br>
Open the terminal, and run<br>
<code>cd ~/.ssh</code>
<ul>
<li>If you see "No such file or directory", then there aren't any existing keys: go to step 2.</li>
<li>Check to see if you have a key already:</li>
<code>ls id_*</code><br>
If there are existing keys, you may want to use those. Go to step 3 to send us your public SSH key
</ul>
<b>2. If you don't have SSH key, generate a new SSH key</b>
If you don't have an existing SSH key that you wish to use, generate one as follows:<br>
<ul>
<li>Open a terminal on your local computer and enter the following:</li>
<code>ssh-keygen -t rsa -C "your_email@example.com"</code>
Associating the key with your email address helps you to identify the key later on.<br>
<li>
Just press Enter to accept the default location and file name.
If the .ssh directory doesn't exist, the system creates one for you.
</li>
<li>Enter, and re-enter, a passphrase when prompted.</li>
<li>You're done! Go to step 3 to send us your public SSH key</li>
</ul>
<b>3. Send us public SSH key</b>
Attach your <code>id_rsa.pub</code> file to your account request email.<br>
<b>WARNING:</b> send <code>id_rsa.pub</code>, not <code>id_rsa</code> file! <code>id_rsa</code> is your private confidential key, similar to your passwords!
</p>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#arcetri-accordion" href="#arcetri-login" aria-controls="arcetri-login">
How do I login to Arcetri?
</a>
</h5>
</div>
<div id="arcetri-login" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<ul>
<li>First, you should install Cisco AnyConnect</li>
<ul>
<li>Login with username and password we provided you: <a href="https://arcetri-asa.cisco.com">https://arcetri-asa.cisco.com</a></li>
<img src="img/faq/arcetri/asa-1.png" width="50%">
<li>Press "Continue"</li>
<img src="img/faq/arcetri/asa-2.png" width="50%">
<li>Wait for Java detection and press on AnyConnect VPN download link</li>
<img src="img/faq/arcetri/asa-3.png" width="50%">
</ul>
<li>Open it and type arcetri-asa.cisco.com</li>
<img src="img/faq/arcetri/anyconnect-1.png" width="50%"><br><br>
<li>Press ‘Connect’ and enter your login detail</li>
<img src="img/faq/arcetri/anyconnect-2.png" width="50%"><br><br>
<li>Now open a terminal and enter the following command: </li>
<code>$ ssh pacini.cisco.com</code>
<li>Type in your arcetri user name and password and press Enter</li>
</ul>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#arcetri-accordion" href="#arcetri-contact" aria-controls="arcetri-contact">
Who do I contact if I need help with Arcetri?
</a>
</h5>
</div>
<div id="arcetri-contact" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
Visit the <a href="contacts.html">contacts page</a>. We will be happy to assist you!
</div>
</div>
</div>
<!--<div class="card">-->
<!--<div class="card-header" role="tab" id="headingOne">-->
<!--<h5 class="mb-0">-->
<!--<a data-toggle="collapse" data-parent="#arcetri-accordion" href="#arcetri-names" aria-controls="arcetri-names">-->
<!--What is the meaning behind the names, Pacini, Franco and Arcetri?-->
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<!--</h5>-->
<!--</div>-->
<!--<div id="arcetri-names" class="collapse" role="tabpanel" aria-labelledby="headingOne">-->
<!--<div class="card-block textcard">-->
<!--====================================Empty================================================-->
<!--</div>-->
<!--</div>-->
<!--</div>-->
<!--<div class="card">-->
<!--<div class="card-header" role="tab" id="headingOne">-->
<!--<h5 class="mb-0">-->
<!--<a data-toggle="collapse" data-parent="#arcetri-accordion" href="#arcetri-differences" aria-controls="arcetri-differences">-->
<!--What is the difference between Pacini and Arcetri?-->
<!--</a>-->
<!--</h5>-->
<!--</div>-->
<!--<div id="arcetri-differences" class="collapse" role="tabpanel" aria-labelledby="headingOne">-->
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<!--====================================Empty================================================-->
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<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#arcetri-accordion" href="#arcetri-structure" aria-controls="arcetri-structure">
What is the structure of Arcetri?
</a>
</h5>
</div>
<div id="arcetri-structure" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<img src="img/faq/arcetri/structure-1.png" width="70%"><br>
</div>
<ul>
<li>You may access to a Pacini head node (pacini.cisco.com) via the ASA firewall (arcetri-asa.cisco.com).</li>
<li>The Pacini Head node is a Cisco UCS C240 M4 Rack Server
<a href="https://www.cisco.com/c/en/us/products/servers-unified-computing/ucs-c240-m4-rack-server/index.html">www.cisco.com/c/en/us/products/servers-unified-computing/ucs-c240-m4-rack-server/index.html</a>
</li>
<li>The nodes of the Pacini cluster are connected via the Fabric Interconnect (FI): Cisco UCS 6332 Fabric Interconnect
<a href="https://www.cisco.com/c/en/us/products/servers-unified-computing/ucs-6332-fabric-interconnect/index.html">https://www.cisco.com/c/en/us/products/servers-unified-computing/ucs-6332-fabric-interconnect/index.html</a>
</li>
<li>Franco Pacini Compute nodes consist of 3 types of blades:
<ul>
<li>B200 M3 IVB</li>
<li>B200 M4 HW</li>
<li>B200 BW</li>
</ul>
</li>
<li>
Cisco UCS B200 M4 Blade Server
<a href="https://www.cisco.com/c/en/us/products/servers-unified-computing/ucs-b200-m4-blade-server/index.html">https://www.cisco.com/c/en/us/products/servers-unified-computing/ucs-b200-m4-blade-server/index.html</a>
</li>
</ul>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="arcetri-card-filesystems">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#arcetri-accordion" href="#arcetri-filesystems" aria-controls="arcetri-filesystems">
What should I know about filesystems on Pacini?
</a>
</h5>
</div>
<div id="arcetri-filesystems" class="collapse" role="tabpanel" aria-labelledby="arcetri-card-filesystems">
<div class="card-block textcard">
<p>
<h4><code>/home/</code></h4>
<code>/username</code> - mode 0700 - no other user/group access
</p>
<p>
<h4><code>/usr/global/</code></h4>
<code>/{bin, sbin, lib, include, ...}</code> - common software for Pacini cluster - mod by admin only<br>
<code>/_group_name_</code> - writable for group for software/libs<br>
<code>/src/{bin, sbin, lib, ...}</code> - source for common software - mod by admin only<br>
<code>/src/_group_name_</code> - writable for group for source code
</p>
<p>
<h4><code>/shared/</code></h4>
<code>/_group_name_</code> - writable by group for source code
</p>
</div>
</div>
</div>
</div>
</div>
<div class="textblock">
<h1 class="textheader">Modules</h1>
<div id="modules-accordion" role="tablist" aria-multiselectable="true">
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#modules-accordion" href="#modules-what" aria-controls="modules-what">
What are modules?
</a>
</h5>
</div>
<div id="modules-what" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<p>
In general, modules are designed to create user's environment. For example, if you need to use CUDA with version 8.0,
you can easily load appropriate module via command <code>module load CUDA/8.0</code>
</p>
<p>
Load CUDA/8.0 module is better than just have it installed by default because some researchers may need 9.0 version
while others need to have 8.0 CUDA. Creating modules for both versions help to avoid such collisions.
</p>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#modules-accordion" href="#modules-available" aria-controls="modules-available">
What modules are available on pacini?
</a>
</h5>
</div>
<div id="modules-available" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<p>
You can check available modules via command <code>module avail</code>
</p>
<p>
Right now pacini has these modules:
<ul>
<li>CUDA/8.0</li>
<li>CUDA/9.0</li>
<li>gcc/5.4.0</li>
<li>gcc/6.3.0</li>
<li>gcc/7.1.0</li>
<li>go/1.7.6</li>
<li>go/1.8.3</li>
<li>intel/2017u4</li>
<li>libfabric/1.4.2</li>
<li>matlab/2016b</li>
<li>matlab/2017a</li>
<li>meep/1.3</li>
<li>mpi/openmpi/1.10.7</li>
<li>mpi/openmpi/2.0.3</li>
<li>mpi/openmpi/2.1.1</li>
<li>mpi/openmpi/2.1.1-intel</li>
</ul>
</p>
<p>
Feel free to contact us and request a new module: <a href="contacts.html">our contact page</a>
</p>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#modules-accordion" href="#modules-load" aria-controls="modules-load">
How can I load a module?
</a>
</h5>
</div>
<div id="modules-load" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
You can load a module via command <code>module add <i>MODULE_NAME</i></code>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#modules-accordion" href="#modules-list" aria-controls="modules-list">
How can I see loaded modules?
</a>
</h5>
</div>
<div id="modules-list" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
You can check loaded modules via command <code>module list</code>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#modules-accordion" href="#modules-purge" aria-controls="modules-purge">
How can I get rid of loaded modules?
</a>
</h5>
</div>
<div id="modules-purge" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<code>module rm <i>MODULE_NAME</i></code> command unloads specific module<br>
<code>module purge</code> command unloads all loaded modulefiles
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#modules-accordion" href="#modules-show" aria-controls="modules-show">
What commands can I use with modules?
</a>
</h5>
</div>
<div id="modules-show" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
Most useful commands are:
<ul>
<li><code>module add <i>MODULE_NAME</i></code> - load a module</li>
<li><code>module list</code> - show loaded modules</li>
<li><code>module rm <i>MODULE_NAME</i></code> - unload a module</li>
<li><code>module purge</code> - unload all loaded modules</li>
<li><code>module show <i>MODULE_NAME</i></code> - show information about a module</li>
<li><code>module avail</code> - list all available modules</li>
<li><code>module help</code> - give some helpful information about <code>module</code> command</li>
</ul>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="headingOne">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#modules-accordion" href="#modules-request" aria-controls="modules-request">
I need a module that is not in a list, what should I do?
</a>
</h5>
</div>
<div id="modules-request" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
Please, feel free to contact us and request a new module: <a href="contacts.html">our contact page</a>
</div>
</div>
</div>
</div>
</div>
<div class="textblock">
<h1 class="textheader">SLURM</h1>
<div id="slurm-accordion" role="tablist" aria-multiselectable="true">
<div class="card">
<div class="card-header" role="tab" id="slurm-card-launch">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-launch" aria-controls="slurm-launch">
How do I launch jobs?
</a>
</h5>
</div>
<div id="slurm-launch" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<p>
<h4>Via batch script</h4>
<ul>
<li>Create a .slurm file with parameters for the job</li>
<li>Type in the command</li>
<code>$ sbatch <i>yourfilename</i>.slurm</code>
</ul>
<i>Learn more about SLURM parameters <a href="https://slurm.schedmd.com/sbatch.html">here</a></i>
</p>
<p>
<h4>Via interactive ssh job</h4>
<ul>
<li>Submit your job using the following format:</li>
<code>$ sbatch --ntasks=1 --time=2:00:00 --mem-per-cpu=1G --job-name="$NAME" --qos=normal --export=ALL</code>
</ul>
</p>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-monitor">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-monitor" aria-controls="slurm-monitor">
How do I monitor my jobs?
</a>
</h5>
</div>
<div id="slurm-monitor" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<p>
After you launch your job you could monitor its progress using the following command:<br>
<code>$ squeue --job JOB_ID</code><br>
</p>
<p>
This command will show your jobs' progress in the following format:<br>
JOBID PARTITION NAME USER ST TIME NODES NODELIST(REASON)<br>
34239 arcetri_c node-rie prime R 1:49:52 1 pacini063
</p>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-number">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-number" aria-controls="slurm-number">
How can I check my job's number?
</a>
</h5>
</div>
<div id="slurm-number" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<p>
<code>squeue</code> - list all job numbers
</p>
<p>
<code>sprio -j JobID</code> - show priorities for the current job
</p>
<p>
<code>sinfo</code> - show detailed info about the nodes
</p>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-specific">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-specific" aria-controls="slurm-specific">
Why can’t I launch jobs on a specific node?
</a>
</h5>
</div>
<div id="slurm-specific" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
The SLURM system reserves resources among the pacini compute nodes
and (pacini000 – pacini095) based the resources requested and your job's relative priority.
While you can request a specific node via the sbatch command, this practice is not recommended.
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-ssh">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-ssh" aria-controls="slurm-ssh">
What can't I ssh into a compute node?
</a>
</h5>
</div>
<div id="slurm-ssh" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
Users are not permitted to ssh into a pacini compute node (pacini000 – pacini095) unless
they have a job running on that node via SLURM.
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-head">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-head" aria-controls="slurm-head">
Why can’t I launch jobs on the head node?
</a>
</h5>
</div>
<div id="slurm-head" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
The head node’s (pacini) solely purpose is to schedule and monitor jobs on the
compute nodes (pacini000 – pacini095). Before launching a job, you need to execute
sbatch commands via either a batch script or interactive ssh job
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-results">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-results" aria-controls="slurm-results">
Where are the results of my job?
</a>
</h5>
</div>
<div id="slurm-results" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
The __jobname__.9999 (and __jobname__.9999 files, unless you specify "-o and -e to be the same" in which case only the __jobname__.9999),
by default, are created in the directly from which you run your sbatch job.
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-queue">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-queue" aria-controls="slurm-queue">
What if my job is still in the queue?
</a>
</h5>
</div>
<div id="slurm-queue" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
Your job is in the queue and is still not executing due to one of the following reasons:
<ol>
<li>The amount of resources that you have requested is currently unavailable</li>
<li>A job with higher priority than yours is running</li>
<li>SLURM maybe still executing your request</li>
</ol>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-cancel">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-cancel" aria-controls="slurm-cancel">
How may I cancel my job?
</a>
</h5>
</div>
<div id="slurm-cancel" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
Use the following commands:<br>
<p>
<code>$ scancel <i>JobID</i></code><br>
Where JobID is the unique id of your job (for help finding you JobID, see
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-number" aria-controls="slurm-number">here</a>)
</p>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-resources">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-resources" aria-controls="slurm-resources">
What resources may I request for my job?
</a>
</h5>
</div>
<div id="slurm-resources" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<h4>Arcetri resources</h4>
<ul>
<li>96 compute nodes in total</li>
<li>32 nodes with Tesla GPUs: <code>pacini063</code> - <code>pacini095</code></li>
<li>256GB of RAM each</li>
</ul>
<b>Compute nodes are divided in three groups:</b><br>
IB group
<ul>
<li>32 nodes: <code>pacini000</code> - <code>pacini031</code></li>
<li>20 CPU cores per node</li>
</ul>
HW group
<ul>
<li>32 nodes: <code>pacini032</code> - <code>pacini063</code></li>
<li>24 CPU cores per node</li>
</ul>
BW group
<ul>
<li>32 nodes: <code>pacini064</code> - <code>pacini095</code></li>
<li>28 CPU cores per node</li>
</ul>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-msub">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-msub" aria-controls="slurm-msub">
How may I use SLURM commands?
</a>
</h5>
</div>
<div id="slurm-msub" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<p>
<code>sbatch <i>job_batch_script.msub</i></code> - submit job
defined in <i>job batch script</i> in current directory
</p>
<p>
<code>sbatch <i>parameters</i></code> - ask for
interactive SSH session with specified parameters
</p>
<p>
<code>showq</code> - show queue info about all users
</p>
<p>
<code>sinfo</code> - show detailed information about compute nodes
</p>
See more here: <a href="https://slurm.schedmd.com/pdfs/summary.pdf">here</a>
</div>
</div>
</div>
<div class="card">
<div class="card-header" role="tab" id="slurm-card-more">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#slurm-accordion" href="#slurm-more" aria-controls="slurm-more">
Where can I read more about SLURM?
</a>
</h5>
</div>
<div id="slurm-more" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<p>
Read more about SLURM: <a href="https://slurm.schedmd.com/srun.html">here</a>
</p>
</div>
</div>
</div>
</div>
</div>
<div class="textblock">
<h1 class="textheader">Graphical desktop</h1>
<div id="graphical-accordion" role="tablist" aria-multiselectable="true">
<div class="card">
<div class="card-header" role="tab" id="graphical-card-windows">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#graphical-accordion" href="#graphical-windows" aria-controls="graphical-windows">
How do I run Matlab on the Pacini cluster from Windows?
</a>
</h5>
</div>
<div id="graphical-windows" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<h4>Installation</h4>
First, you should convert your .ppk key to .ssh key
<ol>
<li>
Download PuTTY Key Generator (puttygen.exe) from the following URL:
<a href="https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html">
https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html
</a>
</li><br>
<li>
Launch the program and click on the Load button and select your id_rsa.ppk file.<br>
<img src="img/faq/graphical/putty-1.png">
<img src="img/faq/graphical/putty-2.png"><br>
</li><br>
<li>
Enter the key's passphrase if prompted.<br>
<img src="img/faq/graphical/putty-3.png">
</li><br>
<li>
Detail's of the imported key will be displayed.<br>
<img src="img/faq/graphical/putty-4.png">
</li><br>
<li>
Go to Conversions → Export OpenSSH key from the menu.<br>
<img src="img/faq/graphical/putty-5.png">
</li><br>
<li>
Save your converted key to a new file named "id_rsa"<br>
<img src="img/faq/graphical/putty-6.png">
</li><br>
</ol>
Download X2Go Client
<ul>
<li>Windows</li>
<a href="http://code.x2go.org/releases/X2GoClient_latest_mswin32-setup.exe">http://code.x2go.org/releases/X2GoClient_latest_mswin32-setup.exe</a>
<li>Official page</li>
<a href="http://wiki.x2go.org/">http://wiki.x2go.org/</a>
</ul>
<h4>If you are using key with password encryption</h4>
<img src="img/faq/graphical/osx-1.png" width="70%"><br>
<b>Steps:</b>
<ol>
<li>Input saved profile name (local identification for your personal use)</li>
<li>Input Pacini domain name</li>
<li>Input your username (also used for SSH)</li>
<li>Tick “Try auto login” checkbox</li>
<li>Make sure you have “MATE” selected as session type</li>
<li>Select “Media” tab for next settings</li>
</ol>
<h4>If you are using password authentication or key without password encryption:</h4>
<img src="img/faq/graphical/osx-2.png" width="70%"><br>
<br><b>Steps:</b>
<ol>
<li>Input your private key path</li>
<li>Make sure you have “MATE” selected as session type </li>
<li>Select “Media” tab for next settings</li>
</ol>
<h4>Media settings</h4>
<img src="img/faq/graphical/osx-3.png" width="70%"><br>
<br><b>Steps:</b>
<ol>
<li>Check "Enable sound support"</li>
<li>Check esd radio button</li>
<li>Uncheck client side printing option</li>
<li>Save dialog settings by selecting “OK”</li>
</ol>
<p>
<h4>Connection</h4>
Select created profile to connect to Pacini<br>
<img src="img/faq/graphical/osx-4.png" width="70%"><br>
<br>Click the session card to start the session<br>
<img src="img/faq/graphical/osx-5.png" width="70%"><br>
<br>You should see full desktop on Pacini<br>
<img src="img/faq/graphical/osx-6.png" width="70%"><br>
</p>
<p>
<h4>Matlab</h4>
Open Terminal<br>
<img src="img/faq/graphical/osx-7.png" width="70%"><br>
<img src="img/faq/graphical/osx-8.png" width="70%"><br>
<ol>
<li>Load desired version of Matlab by “module load” command. </li>
<li>Launch Matlab</li>
</ol>
<img src="img/faq/graphical/osx-9.png" width="70%"><br>
Matlab should be up and running by this point.
</p>
<h4>To end the session</h4>
<img src="img/faq/graphical/osx-10.png" width="70%"><br>
</div>
</div>
</div>
<!--<div class="card">-->
<!--<div class="card-header" role="tab" id="graphical-card-linux">-->
<!--<h5 class="mb-0">-->
<!--<a data-toggle="collapse" data-parent="#graphical-accordion" href="#graphical-linux" aria-controls="graphical-linux">-->
<!--How do I run Matlab on the Pacini cluster from Linux system?-->
<!--</a>-->
<!--</h5>-->
<!--</div>-->
<!--<div id="graphical-linux" class="collapse" role="tabpanel" aria-labelledby="headingOne">-->
<!--<div class="card-block textcard">-->
<!--<h4>Installation</h4>-->
<!--Requirements:-->
<!--<ul>-->
<!--<li>MacOS X 10.6 and up </li>-->
<!--<li>Xquartz - <a href="https://www.xquartz.org">Download Xquartz for macOS here</a></li>-->
<!--</ul>-->
<!--Download X2Go Client-->
<!--<ul>-->
<!--<li>MacOS X 10.6 and up</li>-->
<!--<a href="http://code.x2go.org/releases/X2GoClient_latest_macosx.dmg">http://code.x2go.org/releases/X2GoClient_latest_macosx.dmg</a>-->
<!--<li>MacOS X 10.9 and up</li>-->
<!--<a href="http://code.x2go.org/releases/X2GoClient_latest_macosx_10_9.dmg">http://code.x2go.org/releases/X2GoClient_latest_macosx_10_9.dmg</a>-->
<!--<li>Official page</li>-->
<!--<a href="http://wiki.x2go.org/">http://wiki.x2go.org/</a>-->
<!--</ul>-->
<!--<h4>If you are using key with password encryption</h4>-->
<!--<img src="img/faq/graphical/osx-1.png" width="70%"><br>-->
<!--<b>Steps:</b>-->
<!--<ol>-->
<!--<li>Input saved profile name (local identification for your personal use)</li>-->
<!--<li>Input Pacini domain name</li>-->
<!--<li>Input your username (also used for SSH)</li>-->
<!--<li>Tick “Try auto login” checkbox</li>-->
<!--<li>Make sure you have “MATE” selected as session type</li>-->
<!--<li>Select “Media” tab for next settings</li>-->
<!--</ol>-->
<!--<h4>If you are using password authentication or key without password encryption:</h4>-->
<!--<img src="img/faq/graphical/osx-2.png" width="70%"><br>-->
<!--<br><b>Steps:</b>-->
<!--<ol>-->
<!--<li>Input your private key path</li>-->
<!--<li>Make sure you have “MATE” selected as session type </li>-->
<!--<li>Select “Media” tab for next settings</li>-->
<!--</ol>-->
<!--<h4>Media settings</h4>-->
<!--<img src="img/faq/graphical/osx-3.png" width="70%"><br>-->
<!--<br><b>Steps:</b>-->
<!--<ol>-->
<!--<li>Check "Enable sound support"</li>-->
<!--<li>Check esd radio button</li>-->
<!--<li>Uncheck client side printing option</li>-->
<!--<li>Save dialog settings by selecting “OK”</li>-->
<!--</ol>-->
<!--<p>-->
<!--<h4>Connection</h4>-->
<!--Select created profile to connect to Pacini-->
<!--<img src="img/faq/graphical/osx-4.png" width="70%"><br>-->
<!--<br>Click the session card to start the session-->
<!--<img src="img/faq/graphical/osx-5.png" width="70%"><br>-->
<!--<br>You should see full desktop on Pacini-->
<!--<img src="img/faq/graphical/osx-6.png" width="70%"><br>-->
<!--</p>-->
<!--<p>-->
<!--<h4>Matlab</h4>-->
<!--Open Terminal<br>-->
<!--<img src="img/faq/graphical/osx-7.png" width="70%"><br>-->
<!--<img src="img/faq/graphical/osx-8.png" width="70%"><br>-->
<!--<ol>-->
<!--<li>Load desired version of Matlab by “module load” command. </li>-->
<!--<li>Launch Matlab</li>-->
<!--</ol>-->
<!--<img src="img/faq/graphical/osx-9.png" width="70%"><br>-->
<!--Matlab should be up and running by this point.-->
<!--</p>-->
<!--<h4>To end the session</h4>-->
<!--<img src="img/faq/graphical/osx-10.png" width="70%"><br>-->
<!--</div>-->
<!--</div>-->
<!--</div>-->
<div class="card">
<div class="card-header" role="tab" id="graphical-card-macos">
<h5 class="mb-0">
<a data-toggle="collapse" data-parent="#graphical-accordion" href="#graphical-macos" aria-controls="graphical-macos">
How do I run Matlab on the Pacini cluster from macOS?
</a>
</h5>
</div>
<div id="graphical-macos" class="collapse" role="tabpanel" aria-labelledby="headingOne">
<div class="card-block textcard">
<h4>Installation</h4>
Requirements:
<ul>
<li>MacOS X 10.6 and up </li>
<li>Xquartz - <a href="https://www.xquartz.org">Download Xquartz for macOS here</a></li>
</ul>
Download X2Go Client
<ul>
<li>MacOS X 10.6 and up</li>
<a href="http://code.x2go.org/releases/X2GoClient_latest_macosx.dmg">http://code.x2go.org/releases/X2GoClient_latest_macosx.dmg</a>
<li>MacOS X 10.9 and up</li>
<a href="http://code.x2go.org/releases/X2GoClient_latest_macosx_10_9.dmg">http://code.x2go.org/releases/X2GoClient_latest_macosx_10_9.dmg</a>
<li>Official page</li>
<a href="http://wiki.x2go.org/">http://wiki.x2go.org/</a>
</ul>