adding folder for FarmShare snippets

_includes/snippets_library/SRCC_FarmShare_slurm/_config_options.yml

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+# ---------------------------------------------------------------
+# HPC Carpentries in the Cloud: Slurm + Software Stack from EESSI
+# ---------------------------------------------------------------
+#
+# The HPC Carpentry Cluster in the Cloud is provided as a public
+# service by volunteers. It is provisioned with Magic Castle
+# <https://github.com/ComputeCanada/magic_castle> using the EESSI
+# <https://eessi.github.io/docs/> software stack. If you need an
+# account, please visit <cluster.hpc-carpentry.org>.
+#
+# Compute responsibly.
+---
+
+snippets: "/snippets_library/HPCC_MagicCastle_slurm"
+
+local:
+  prompt: "[you@laptop:~]$"
+  bash_shebang: "#!/usr/bin/env bash"
+
+remote:
+  name: "HPC Carpentry's Cloud Cluster"
+  login: "cluster.hpc-carpentry.org"
+  portal: "https://mokey.cluster.hpc-carpentry.org"
+  host: "login1"
+  node: "smnode1"
+  location: "cluster.hpc-carpentry.org"
+  homedir: "/home"
+  user: "yourUsername"
+  module_python3: "Python"
+  prompt: "[yourUsername@login1 ~]$"
+  bash_shebang: "#!/bin/bash"
+
+sched:
+  name: "Slurm"
+  submit:
+    name: "sbatch"
+    options: ""
+  queue:
+    debug: "smnode"
+    testing: "cpubase_bycore_b1"
+  status: "squeue"
+  flag:
+    user: "-u yourUsername"
+    interactive: ""
+    histdetail: "-l -j"
+    name: "-J"
+    time: "-t"
+    queue: "-p"
+  del: "scancel"
+  interactive: "srun"
+  info: "sinfo"
+  comment: "#SBATCH"
+  hist: "sacct -u yourUsername"
+  hist_filter: ""
+
+episode_order:
+  - 10-hpc-intro
+  - 11-connecting
+  - 12-cluster
+  - 13-scheduler
+  - 14-environment-variables
+  - 15-modules
+  - 16-transferring-files
+  - 17-parallel
+  - 18-resources
+  - 19-responsibility

_includes/snippets_library/SRCC_FarmShare_slurm/cluster/queue-info.snip

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+```
+PARTITION          AVAIL  TIMELIMIT  NODES  STATE NODELIST
+cpubase_bycore_b1*    up   infinite      4   idle node[1-2],smnode[1-2]
+node                  up   infinite      2   idle node[1-2]
+smnode                up   infinite      2   idle smnode[1-2]
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/cluster/specific-node-info.snip

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+> ## Explore a Worker Node
+>
+> Finally, let's look at the resources available on the worker nodes where your
+> jobs will actually run. Try running this command to see the name, CPUs and
+> memory available on the worker nodes:
+>
+> ```
+> {{ site.remote.prompt }} sinfo -o "%n %c %m" | column -t
+> ```
+> {: .language-bash}
+{: .challenge}

_includes/snippets_library/SRCC_FarmShare_slurm/modules/available-modules.snip

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+```
+~~~ /cvmfs/pilot.eessi-hpc.org/2020.12/software/x86_64/amd/zen2/modules/all ~~~
+  Bazel/3.6.0-GCCcore-x.y.z              NSS/3.51-GCCcore-x.y.z
+  Bison/3.5.3-GCCcore-x.y.z              Ninja/1.10.0-GCCcore-x.y.z
+  Boost/1.72.0-gompi-2020a               OSU-Micro-Benchmarks/5.6.3-gompi-2020a
+  CGAL/4.14.3-gompi-2020a-Python-3.x.y   OpenBLAS/0.3.9-GCC-x.y.z
+  CMake/3.16.4-GCCcore-x.y.z             OpenFOAM/v2006-foss-2020a
+
+[removed most of the output here for clarity]
+
+  Where:
+   L:        Module is loaded
+   Aliases:  Aliases exist: foo/1.2.3 (1.2) means that "module load foo/1.2"
+             will load foo/1.2.3
+   D:        Default Module
+
+Use "module spider" to find all possible modules and extensions.
+Use "module keyword key1 key2 ..." to search for all possible modules matching
+any of the "keys".
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/modules/default-modules.snip

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+```
+No Modulefiles Currently Loaded.
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/modules/missing-python.snip

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+If the `python3` command was unavailable, we would see output like
+
+```
+/usr/bin/which: no python3 in (/cvmfs/pilot.eessi-hpc.org/2020.12/compat/linux/x86_64/usr/bin:/opt/software/slurm/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/opt/puppetlabs/bin:/home/{{site.remote.user}}/.local/bin:/home/{{site.remote.user}}/bin)
+```
+{: .output}
+
+Note that this wall of text is really a list, with values separated
+by the `:` character. The output is telling us that the `which` command
+searched the following directories for `python3`, without success:
+
+```
+/cvmfs/pilot.eessi-hpc.org/2020.12/compat/linux/x86_64/usr/bin
+/opt/software/slurm/bin
+/usr/local/bin
+/usr/bin
+/usr/local/sbin
+/usr/sbin
+/opt/puppetlabs/bin
+/home/{{site.remote.user}}/.local/bin
+/home/{{site.remote.user}}/bin
+```
+{: .output}
+
+However, in our case we do have an existing `python3` available so we see
+
+```
+/cvmfs/pilot.eessi-hpc.org/2020.12/compat/linux/x86_64/usr/bin/python3
+```
+{: .output}
+
+We need a different Python than the system provided one though, so let us load
+a module to access it.

_includes/snippets_library/SRCC_FarmShare_slurm/modules/module-load-python.snip

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+```
+{{ site.remote.prompt }} module load {{ site.remote.module_python3 }}
+{{ site.remote.prompt }} which python3
+```
+{: .language-bash}

_includes/snippets_library/SRCC_FarmShare_slurm/modules/python-executable-dir.snip

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+```
+/cvmfs/pilot.eessi-hpc.org/2020.12/software/x86_64/amd/zen2/software/Python/3.x.y-GCCcore-x.y.z/bin/python3
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/modules/python-ls-dir-command.snip

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+```
+{{ site.remote.prompt }} ls /cvmfs/pilot.eessi-hpc.org/2020.12/software/x86_64/amd/zen2/software/Python/3.x.y-GCCcore-x.y.z/bin
+```
+{: .language-bash}

_includes/snippets_library/SRCC_FarmShare_slurm/modules/python-ls-dir-output.snip

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+```
+2to3              nosetests-3.8  python                 rst2s5.py
+2to3-3.8          pasteurize     python3                rst2xetex.py
+chardetect        pbr            python3.8              rst2xml.py
+cygdb             pip            python3.8-config       rstpep2html.py
+cython            pip3           python3-config         runxlrd.py
+cythonize         pip3.8         rst2html4.py           sphinx-apidoc
+easy_install      pybabel        rst2html5.py           sphinx-autogen
+easy_install-3.8  __pycache__    rst2html.py            sphinx-build
+futurize          pydoc3         rst2latex.py           sphinx-quickstart
+idle3             pydoc3.8       rst2man.py             tabulate
+idle3.8           pygmentize     rst2odt_prepstyles.py  virtualenv
+netaddr           pytest         rst2odt.py             wheel
+nosetests         py.test        rst2pseudoxml.py
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/modules/python-module-path.snip

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+```
+/cvmfs/pilot.eessi-hpc.org/2020.12/software/x86_64/amd/zen2/software/Python/3.x.y-GCCcore-x.y.z/bin:/cvmfs/pilot.eessi-hpc.org/2020.12/software/x86_64/amd/zen2/software/SQLite/3.31.1-GCCcore-x.y.z/bin:/cvmfs/pilot.eessi-hpc.org/2020.12/software/x86_64/amd/zen2/software/Tcl/8.6.10-GCCcore-x.y.z/bin:/cvmfs/pilot.eessi-hpc.org/2020.12/software/x86_64/amd/zen2/software/GCCcore/x.y.z/bin:/cvmfs/pilot.eessi-hpc.org/2020.12/compat/linux/x86_64/usr/bin:/opt/software/slurm/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/opt/puppetlabs/bin:/home/user01/.local/bin:/home/user01/bin
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/modules/software-dependencies.snip

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+To demonstrate, let's use `module list`. `module list` shows all loaded
+software modules.
+
+```
+{{ site.remote.prompt }} module list
+```
+{: .language-bash}
+
+```
+Currently Loaded Modules:
+  1) GCCcore/x.y.z                 4) GMP/6.2.0-GCCcore-x.y.z
+  2) Tcl/8.6.10-GCCcore-x.y.z      5) libffi/3.3-GCCcore-x.y.z
+  3) SQLite/3.31.1-GCCcore-x.y.z   6) Python/3.x.y-GCCcore-x.y.z
+```
+{: .output}
+
+```
+{{ site.remote.prompt }} module load GROMACS
+{{ site.remote.prompt }} module list
+```
+{: .language-bash}
+
+```
+Currently Loaded Modules:
+  1) GCCcore/x.y.z                    14) libfabric/1.11.0-GCCcore-x.y.z
+  2) Tcl/8.6.10-GCCcore-x.y.z         15) PMIx/3.1.5-GCCcore-x.y.z
+  3) SQLite/3.31.1-GCCcore-x.y.z      16) OpenMPI/4.0.3-GCC-x.y.z
+  4) GMP/6.2.0-GCCcore-x.y.z          17) OpenBLAS/0.3.9-GCC-x.y.z
+  5) libffi/3.3-GCCcore-x.y.z         18) gompi/2020a
+  6) Python/3.x.y-GCCcore-x.y.z       19) FFTW/3.3.8-gompi-2020a
+  7) GCC/x.y.z                        20) ScaLAPACK/2.1.0-gompi-2020a
+  8) numactl/2.0.13-GCCcore-x.y.z     21) foss/2020a
+  9) libxml2/2.9.10-GCCcore-x.y.z     22) pybind11/2.4.3-GCCcore-x.y.z-Pytho...
+ 10) libpciaccess/0.16-GCCcore-x.y.z  23) SciPy-bundle/2020.03-foss-2020a-Py...
+ 11) hwloc/2.2.0-GCCcore-x.y.z        24) networkx/2.4-foss-2020a-Python-3.8...
+ 12) libevent/2.1.11-GCCcore-x.y.z    25) GROMACS/2020.1-foss-2020a-Python-3...
+ 13) UCX/1.8.0-GCCcore-x.y.z
+```
+{: .output}
+
+So in this case, loading the `GROMACS` module (a bioinformatics software
+package), also loaded `GMP/6.2.0-GCCcore-x.y.z` and
+`SciPy-bundle/2020.03-foss-2020a-Python-3.x.y` as well. Let's try unloading the
+`GROMACS` package.
+
+```
+{{ site.remote.prompt }} module unload GROMACS
+{{ site.remote.prompt }} module list
+```
+{: .language-bash}
+
+```
+Currently Loaded Modules:
+  1) GCCcore/x.y.z                    13) UCX/1.8.0-GCCcore-x.y.z
+  2) Tcl/8.6.10-GCCcore-x.y.z         14) libfabric/1.11.0-GCCcore-x.y.z
+  3) SQLite/3.31.1-GCCcore-x.y.z      15) PMIx/3.1.5-GCCcore-x.y.z
+  4) GMP/6.2.0-GCCcore-x.y.z          16) OpenMPI/4.0.3-GCC-x.y.z
+  5) libffi/3.3-GCCcore-x.y.z         17) OpenBLAS/0.3.9-GCC-x.y.z
+  6) Python/3.x.y-GCCcore-x.y.z       18) gompi/2020a
+  7) GCC/x.y.z                        19) FFTW/3.3.8-gompi-2020a
+  8) numactl/2.0.13-GCCcore-x.y.z     20) ScaLAPACK/2.1.0-gompi-2020a
+  9) libxml2/2.9.10-GCCcore-x.y.z     21) foss/2020a
+ 10) libpciaccess/0.16-GCCcore-x.y.z  22) pybind11/2.4.3-GCCcore-x.y.z-Pytho...
+ 11) hwloc/2.2.0-GCCcore-x.y.z        23) SciPy-bundle/2020.03-foss-2020a-Py...
+ 12) libevent/2.1.11-GCCcore-x.y.z    24) networkx/2.4-foss-2020a-Python-3.x.y
+```
+{: .output}
+
+So using `module unload` "un-loads" a module, and depending on how a site is
+ configured it may also unload all of the dependencies (in our case it does
+ not). If we wanted to unload everything at once, we could run `module purge`
+ (unloads everything).
+
+```
+{{ site.remote.prompt }} module purge
+{{ site.remote.prompt }} module list
+```
+{: .language-bash}
+
+```
+No modules loaded
+```
+{: .output}
+
+Note that `module purge` is informative. It will also let us know if a default
+set of "sticky" packages cannot be unloaded (and how to actually unload these
+if we truly so desired).

_includes/snippets_library/SRCC_FarmShare_slurm/modules/wrong-gcc-version.snip

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+<!--- There is a long additional section on some specific features of Lmod in
+snippets_library/ComputeCanada_Graham_slurm/modules/wrong-gcc-version.snip,
+particular covering the concept of a module hierarchy. While this is not
+relevant to the EESSI configuration right now, it may become so in the future
+if we change the default module naming scheme to hierarchical. -->

_includes/snippets_library/SRCC_FarmShare_slurm/parallel/eight-tasks-jobscript.snip

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+```
+{{ site.remote.bash_shebang }}
+{{ site.sched.comment }} {{ site.sched.flag.name }} parallel-job
+{{ site.sched.comment }} {{ site.sched.flag.queue }} {{ site.sched.queue.testing }}
+{{ site.sched.comment }} -N 1
+{{ site.sched.comment }} -n 8
+
+# Load the computing environment we need
+# (mpi4py and numpy are in SciPy-bundle)
+module load {{ site.remote.module_python3 }}
+module load SciPy-bundle
+
+# Execute the task
+mpiexec amdahl
+```
+{: .language-bash}

_includes/snippets_library/SRCC_FarmShare_slurm/parallel/four-tasks-jobscript.snip

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+```
+{{ site.remote.bash_shebang }}
+{{ site.sched.comment }} {{ site.sched.flag.name }} parallel-job
+{{ site.sched.comment }} {{ site.sched.flag.queue }} {{ site.sched.queue.testing }}
+{{ site.sched.comment }} -N 1
+{{ site.sched.comment }} -n 4
+
+# Load the computing environment we need
+# (mpi4py and numpy are in SciPy-bundle)
+module load {{ site.remote.module_python3 }}
+module load SciPy-bundle
+
+# Execute the task
+mpiexec amdahl
+```
+{: .language-bash}

_includes/snippets_library/SRCC_FarmShare_slurm/parallel/one-task-jobscript.snip

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+```
+{{ site.remote.bash_shebang }}
+{{ site.sched.comment }} {{ site.sched.flag.name }} solo-job
+{{ site.sched.comment }} {{ site.sched.flag.queue }} {{ site.sched.queue.testing }}
+{{ site.sched.comment }} -N 1
+{{ site.sched.comment }} -n 1
+
+# Load the computing environment we need
+module load {{ site.remote.module_python3 }}
+
+# Execute the task
+amdahl
+```
+{: .language-bash}

_includes/snippets_library/SRCC_FarmShare_slurm/resources/account-history.snip

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+```
+       JobID    JobName  Partition    Account  AllocCPUS      State ExitCode
+------------ ---------- ---------- ---------- ---------- ---------- --------
+7               file.sh cpubase_b+ def-spons+          1  COMPLETED      0:0
+7.batch           batch            def-spons+          1  COMPLETED      0:0
+7.extern         extern            def-spons+          1  COMPLETED      0:0
+8               file.sh cpubase_b+ def-spons+          1  COMPLETED      0:0
+8.batch           batch            def-spons+          1  COMPLETED      0:0
+8.extern         extern            def-spons+          1  COMPLETED      0:0
+9            example-j+ cpubase_b+ def-spons+          1  COMPLETED      0:0
+9.batch           batch            def-spons+          1  COMPLETED      0:0
+9.extern         extern            def-spons+          1  COMPLETED      0:0
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/resources/monitor-processes-top.snip

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+```
+top - 21:00:19 up  3:07,  1 user,  load average: 1.06, 1.05, 0.96
+Tasks: 311 total,   1 running, 222 sleeping,   0 stopped,   0 zombie
+%Cpu(s):  7.2 us,  3.2 sy,  0.0 ni, 89.0 id,  0.0 wa,  0.2 hi,  0.2 si,  0.0 st
+KiB Mem : 16303428 total,  8454704 free,  3194668 used,  4654056 buff/cache
+KiB Swap:  8220668 total,  8220668 free,        0 used. 11628168 avail Mem
+
+  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
+ 1693 jeff      20   0 4270580 346944 171372 S  29.8  2.1   9:31.89 gnome-shell
+ 3140 jeff      20   0 3142044 928972 389716 S  27.5  5.7  13:30.29 Web Content
+ 3057 jeff      20   0 3115900 521368 231288 S  18.9  3.2  10:27.71 firefox
+ 6007 jeff      20   0  813992 112336  75592 S   4.3  0.7   0:28.25 tilix
+ 1742 jeff      20   0  975080 164508 130624 S   2.0  1.0   3:29.83 Xwayland
+    1 root      20   0  230484  11924   7544 S   0.3  0.1   0:06.08 systemd
+   68 root      20   0       0      0      0 I   0.3  0.0   0:01.25 kworker/4:1
+ 2913 jeff      20   0  965620  47892  37432 S   0.3  0.3   0:11.76 code
+    2 root      20   0       0      0      0 S   0.0  0.0   0:00.02 kthreadd
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/resources/system-memory-free.snip

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+```
+total        used        free      shared  buff/cache   available
+Mem:           3.8G        1.5G        678M        327M        1.6G        1.6G
+Swap:          3.9G        170M        3.7G
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/scheduler/basic-job-script.snip

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+```
+Submitted batch job 7
+```
+{: .output}

_includes/snippets_library/SRCC_FarmShare_slurm/scheduler/basic-job-status.snip

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+```
+JOBID PARTITION     NAME     USER ST       TIME  NODES NODELIST(REASON)
+    9 cpubase_b example-   user01  R       0:05      1 node1
+```
+{: .output}
+
+We can see all the details of our job, most importantly that it is in the `R`
+or `RUNNING` state. Sometimes our jobs might need to wait in a queue
+(`PENDING`) or have an error (`E`).

_includes/snippets_library/SRCC_FarmShare_slurm/scheduler/job-with-name-status.snip

@@ -0,0 +1,5 @@
+```
+JOBID PARTITION     NAME     USER ST       TIME  NODES NODELIST(REASON)
+   10 cpubase_b hello-wo   user01  R       0:02      1 node1
+```
+{: .output}