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2022-isc22/installation/index.html

@@ -2038,6 +2038,13 @@ <h3 id="python">Python<a class="headerlink" href="#python" title="Permanent link
 <p>To check which Python version you have, use:</p>
 <div class="highlight"><pre><span></span><code>python -V
 </code></pre></div>
+<div class="admonition note">
+<p class="admonition-title">Note</p>
+<p>It is possible that the <code>python</code> command is not available, which will trigger an error like:</p>
+<div class="highlight"><pre><span></span><code>-bash: python: command not found
+</code></pre></div>
+<p>If that is the case, consider using the <code>python3</code> command (or similar) instead.</p>
+</div>
 <p><em>No additional Python packages are required by EasyBuild</em>, the ones that come with the standard
 Python distribution are sufficient. Some additional Python packages <em>can</em> be leveraged for specific features.
 More on that later.</p>
@@ -2330,7 +2337,7 @@ <h2 id="exercise">Exercise<a class="headerlink" href="#exercise" title="Permanen
   <small>
 
       Last update:
-      <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 18, 2022</span>
+      <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 27, 2022</span>
 
 
   </small>

2022-isc22/module_naming_schemes/index.html

@@ -2100,22 +2100,24 @@ <h3 id="configuring-easybuild_1">Configuring EasyBuild<a class="headerlink" href
 <p>First of all, we need to make sure that EasyBuild is properly configured.
 We can do this by defining this set of environment variables:</p>
 <div class="highlight"><pre><span></span><code><span class="nb">export</span> <span class="nv">EASYBUILD_PREFIX</span><span class="o">=</span><span class="nv">$HOME</span>/easybuild
-<span class="nb">export</span> <span class="nv">EASYBUILD_BUILDPATH</span><span class="o">=</span>/tmp/<span class="nv">$USER</span>
+<span class="nb">export</span> <span class="nv">EASYBUILD_BUILDPATH</span><span class="o">=</span>/tmp/<span class="nv">$USER</span>/easybuild
 <span class="nb">export</span> <span class="nv">EASYBUILD_INSTALLPATH_SOFTWARE</span><span class="o">=</span>/easybuild/software
 <span class="nb">export</span> <span class="nv">EASYBUILD_MODULE_NAMING_SCHEME</span><span class="o">=</span>HierarchicalMNS
 <span class="nb">export</span> <span class="nv">EASYBUILD_INSTALLPATH_MODULES</span><span class="o">=</span><span class="nv">$HOME</span>/hmns/modules
+<span class="nb">export</span> <span class="nv">EASYBUILD_LOCKS_DIR</span><span class="o">=</span><span class="nv">$HOME</span>/easybuild/locks
 </code></pre></div>
 <p>To make sure we didn't make any silly mistakes, we double check using <code>eb --show-config</code>:</p>
 <div class="highlight"><pre><span></span><code>$ eb --show-config
 <span class="c1">#</span>
 <span class="c1"># Current EasyBuild configuration</span>
 <span class="c1"># (C: command line argument, D: default value, E: environment variable, F: configuration file)</span>
 <span class="c1">#</span>
-buildpath            <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /tmp/example
+buildpath            <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /tmp/example/easybuild
 containerpath        <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /home/example/easybuild/containers
 installpath          <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /home/example/easybuild
 installpath-modules  <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /home/example/hmns/modules
 installpath-software <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /easybuild/software
+locks-dir            <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /home/example/easybuild/locks
 module-naming-scheme <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> HierarchicalMNS
 packagepath          <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /home/example/easybuild/packages
 prefix               <span class="o">(</span>E<span class="o">)</span> <span class="o">=</span> /home/example/easybuild
@@ -2327,7 +2329,7 @@ <h2 id="exercise">Exercise<a class="headerlink" href="#exercise" title="Permanen
   <small>
 
       Last update:
-      <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 19, 2022</span>
+      <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 27, 2022</span>
 
 
   </small>

2022-isc22/practical_info/index.html

@@ -1611,6 +1611,53 @@ <h2 id="slack">Slack<a class="headerlink" href="#slack" title="Permanent link">&
 session.</p>
 <p>You can self-request an invitation to join the EasyBuild Slack via
 <a href="https://easybuild.io/join-slack">https://easybuild.io/join-slack</a>.</p>
+<p>??? Reproducing the tutorial environment at home (after the workshop) "(click to show steps)"</p>
+<pre><code>*Note:* These steps might differ on our system. Please reach out to us on Slack if you run into problems.
+
+The prepared environment remains available during the conference. If after the conference
+you want to go through the tutorial and try the exercises on your home system, you can follow
+this procedure while working your way through the tutorial:
+
+-   [Install EasyBuild](installation.md). We recommend to use the 
+    ["Installing EasyBuild with EasyBuild" method](../installation/#method-2-installing-easybuild-with-easybuild),
+    but choosing a different directory for the `--prefix` argument. That directory should
+    then be used wherever `/easybuild` is used in the tutorial text.
+
+    Assume that the installation directory is stored in `$_PREFIX_`. The series of commands to install
+    EasyBuild and make the EasyBuild module available are
+    ```shell
+    module unuse $MODULEPATH
+    export EB_TMPDIR=/tmp/$USER/eb_tmp
+    python3 -m pip install --ignore-installed --prefix $EB_TMPDIR easybuild
+    export PATH=$EB_TMPDIR/bin:$PATH
+    export PYTHONPATH=$(/bin/ls -rtd -1 $EB_TMPDIR/lib*/python*/site-packages | tail -1):$PYTHONPATH
+    export EB_PYTHON=python3
+    eb --install-latest-eb-release --prefix $_PREFIX_
+    module use $_PREFIX_/modules/all
+    ```
+    The first line (the `module unuse` command) cleans the environment and assures that modules already
+    installed on the system will not screw up the installation that you intend to do.
+
+    Alternatively, when newer versions of EasyBuild are available than the version 4.5.4 used to prepare
+    this tutorial, the line with `eb --install-latest-eb-release` can be replaced with
+    ```shell
+    eb EasyBuild-4.5.4.eb --prefix $_PREFIX_
+    ```
+    to install the version of EasyBuild used for the preparation of this tutorial.
+
+-   Install the software needed for the tutorial in the same directory structure as EasyBuild.
+    This can be done in a single command (after loading the EasyBuild module). The workings of this command is explained in the
+    ["Configuring EasyBuild"](configuration.md) and ["Basic usage of EasyBuild"](basic_usage.md)
+    sections:
+    ```shell
+    module load EasyBuild
+    eb CMake-3.22.1-GCCcore-11.2.0.eb SciPy-bundle-2021.10-foss-2021b.eb --prefix $_PREFIX_ --robot
+    ```
+
+Note that the installation can take a few hours and that some steps require a lot of CPU time (e.g., the testing
+done when installing SciPy), so you may not be able to do it on the login nodes of a cluster.
+</code></pre>
+<hr />
 <hr />
 <p><a href="../introduction/"><em>next: Introduction</em></a> - <a href="../"><em>(back to overview page)</em></a></p>
 
@@ -1619,7 +1666,7 @@ <h2 id="slack">Slack<a class="headerlink" href="#slack" title="Permanent link">&
   <small>
 
       Last update:
-      <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 12, 2022</span>
+      <span class="git-revision-date-localized-plugin git-revision-date-localized-plugin-date">May 27, 2022</span>
 
 
   </small>