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0_general_questions html updated with How to install and use conda (A…
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Ashan-Wimalasiri authored Nov 11, 2023
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conducting, logging and monitoring NN based experiments on mobile/remote PC.</p>
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<p>
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How to install and use conda (Anaconda or Miniconda) on Peradeniya servers without sudo accounts
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<div class="card card-body">
<ol>
<li>
SSH into the server using your non-sudo user account.
</li>
<li>
It is assumed that you are installing conda on your home directory ~/miniconda<br>
However, given how Peradeniya storage system works, you might have instructions to install it in some other project directory.
</li>
<li>
Go to the miniconda/conda download webpage and copy the download link for the installer.
For example, Miniconda3 Linux 64 bit installer on <br>
<a href="https://docs.conda.io/en/latest/miniconda.html">https://docs.conda.io/en/latest/miniconda.html</a> is
<a href="https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh">https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh</a>
</li>
<li>
Run the following commands on the SSH shell. (Mind the spaces)<br>

<table style="font-family: Arial, sans-serif; border-collapse: collapse; width: 80%; margin: 20px;">
<tr>
<th style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Command</th>
<th style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Description</th>
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<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"><code>wget<br> https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh</code></td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Download the installer.</td>
</tr>

<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"><code>bash<br> Miniconda3-latest-Linux-x86_64.sh</code></td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Run the .sh bash installer.</td>
</tr>

<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">ENTER</td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">To continue with the installer</td>
</tr>
<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Keep reading the agreement to the end</td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"></td>
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<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"><code>yes</code></td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">To agree</td>
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<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"><code>~/miniconda</code></td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Select an installation folder. This is just an example. You may use something that you see fit.</td>
</tr>
<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"><code>no</code></td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Do not run the init.<br>
Ideally, you should be able to. However, our multiple NFS (network file system) makes things very complicated.</td>
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<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"><code>~/miniconda/bin/conda init --user bash</code></td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">
<code>
~/miniconda/bin/conda init
</code>
<br>
Here, we make sure we run the init from our new installation.
<br>
<code>--user</code>
<br>
This change is only for your user account
<br>
<code>bash</code>
<br>
This change is only for your ~/.bashrc
</td>
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<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"><code>--user</code></td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">This change is only for your user account.</td>
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<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Logout and login to the SSH shell again</td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"></td>
</tr>
<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;"><code>source ~/.bashrc</code></td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">Once this is run, you should see (base) on your SSH prompt. </td>
</tr>
<tr>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">
<code>which conda</code>
<br>
<code>which python</code>
</td>
<td style="border: 1px solid #d2d2d2; text-align: left; padding: 8px;">You can use these commands to verify if you are using the correct conda/python installations.</td>
</tr>
</table>

</li>
<li>
<a href="https://docs.conda.io/projects/conda/en/4.6.0/_downloads/52a95608c49671267e40c689e0bc00ca/conda-cheatsheet.pdf">This document</a> is a good quick start guide for conda.
</li>

<li>
When you log in through SSH later, if you don't see (base) in the prompt, you have to run <b>source ~/.bashrc</b>
</li>

<li>
If you have any questions, you can reach out to the following people. <br>

<ul>
<li> <a href="https://faq.ce.pdn.ac.lk/network-n-servers/contact-network-admin/"><b>CO</b> Tesla/Kepler/Aiken/Turing</a></li>
<li><a href="https://github.com/eepdnaclk/server/tree/main/admin"><b>EE</b> COVID server</a></li>
</ul>
</li>

<li>
If you have questions about anything, please try to ask them on the <b>PeraCOM Discord #ask-for-help</b> channel.
That is helpful to the community as a whole.
If you are not already on the discord, please ask for an invitation from (<a href="e17154@eng.pdn.ac.lk">e17154@eng.pdn.ac.lk</a> and <a href="e16088@eng.pdn.ac.lk">e16088@eng.pdn.ac.lk</a>)
</li>
</ol>
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