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Infrastructure/VM cluster (view source)
Revision as of 16:14, 1 February 2021
, 16:14, 1 February 2021Add ssh connection documentation
# SHOULD: use SSH keys published on Github: giving access to a server is then simple and secure: <pre>curl https://github.com/CharlesNepote.keys | tee -a ~/.ssh/authorized_keys</pre>
# SHOULD: use SSH keys published on Github: giving access to a server is then simple and secure: <pre>curl https://github.com/CharlesNepote.keys | tee -a ~/.ssh/authorized_keys</pre>
# SHOULD: take care of production resources: use "nice" / "ionice" for scripts manually launched. Stéphane's tip: just use <pre>nice ./mycommand whatever arguments</pre> (nice default to lower the priority). CPU and I/O priorities can be set if needed at the virtualization level.
# SHOULD: take care of production resources: use "nice" / "ionice" for scripts manually launched. Stéphane's tip: just use <pre>nice ./mycommand whatever arguments</pre> (nice default to lower the priority). CPU and I/O priorities can be set if needed at the virtualization level.
= Usages =
== SSH connexion ==
=== If you have only one SSH key ===
You can connect directly with:
<pre>$ ssh -J [FQDN server] [internal IP]</pre>
Example:
<pre>$ ssh -J ovh1.openfoodfacts.org 10.1.0.103</pre>
=== If you have many SSH keys ===
<pre>ssh -i ~/.ssh/github_rsa -J stephanegigandet@ovh1.openfoodfacts.org stephanegigandet@10.1.0.103</pre>
You can modify your <code>~/.ssh/config</code> file and add:
<pre>
Host robotoff
identityfile ~/.ssh/github_rsa
proxyjump stephanegigandet@ovh1.openfoodfacts.org
hostname 10.1.0.103
user stephanegigandet
</pre>
Then you can connect yourself with a simpler command:
<pre>$ ssh robotoff</pre>