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Ansible KVM Router Lab Part 3
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Ansible KVM Router Lab Part 1
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Add KVM Network With Virsh
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KVM On Arch
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LMDE3 XFS Full Disk Encryption
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create database on new server
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<h1>QuasselCore on Debian 11</h1>
<p>date: 2022-02-13</p>
<h2 id="introduction">Introduction</h2>
<p>After discovering how amazing wireguard vpn is on Android, I decided to move
my quasselcore server off of Ramnode, where I was securing it with LetsEncrypt
Certs, and instead run it on a double-natted kvm host on my home server
where I could give it more ram and cpu, and back up the entire vm image to my backup-backup server
using syncoid and zfs snapshots.</p>
<p>But there are a few little niggles, so I am writing it down.</p>
<h2 id="install-packages">Install Packages</h2>
<div class="highlight"><pre><span></span><code>apt install postgresql postgresql-contrib quasselcore libqt5sql5-psql apparmor-utils
</code></pre></div>
<h3 id="stop-quasselcore">stop quasselcore</h3>
<div class="highlight"><pre><span></span><code>systemctl stop quasselcore
</code></pre></div>
<h3 id="allow-quasselcore-in-apparmor">allow quasselcore in apparmor</h3>
<p>so quasselcore user can read it's own configuration directory
<div class="highlight"><pre><span></span><code>aa-complain /usr/bin/quasselcore
systemctl restart apparmor
</code></pre></div></p>
<h3 id="postgresql-socket-connection">postgresql socket connection</h3>
<p>If you want to use Postgresql socket connection because
why wouldn't you, allow md5 authentication in <code>pg_hba.conf</code>
<div class="highlight"><pre><span></span><code># /etc/postgresql/13/main/pg_hba.conf
local quassel quassel md5
</code></pre></div>
<div class="highlight"><pre><span></span><code>systemctl restart postgresql
</code></pre></div></p>
<h2 id="copy-the-postgresql-database">Copy the Postgresql Database</h2>
<h3 id="dump-database-on-oldprevious-server">dump database on old/previous server</h3>
<div class="highlight"><pre><span></span><code>pg_dump -d quassel -f quasseldb.sql
</code></pre></div>
<h3 id="create-database-on-new-server">create database on new server</h3>
<div class="highlight"><pre><span></span><code><span class="n">postgres</span><span class="o">#</span> <span class="k">CREATE</span> <span class="k">USER</span> <span class="n">quassel</span><span class="p">;</span>
<span class="go">postgres# \password quassel</span>
<span class="go">postgres# CREATE DATABASE quassel WITH OWNER quassel;</span>
</code></pre></div>
<h3 id="import-database-on-new-server">import database on new server</h3>
<div class="highlight"><pre><span></span><code>psql -d quassel -f quasseldb.sql
</code></pre></div>
<h2 id="configure-quasselcore">Configure QuasselCore</h2>
<p><div class="highlight"><pre><span></span><code>sudo quasselcore --configdir<span class="o">=</span>/var/lib/quassel --select-backend<span class="o">=</span>Postgresql
</code></pre></div>
When prompted for postgresql host, you can use <code>/var/run/postgresql</code> if
you want to use unix-socket.</p>
<p>Before starting quasselcore, make sure that all the files in <code>/var/lib/quassel</code>
are owned by quasselcore:quassel, and <em>they might not be</em>.</p>
<p>For other <code>quasselcore</code> options you can type <code>quasselcore -h</code>, but I chose to
use ufw to restrict the client port to the wireguard interface.
<div class="highlight"><pre><span></span><code>ufw allow <span class="k">in</span> on wg1 to any port <span class="m">4242</span>
</code></pre></div></p>
<h2 id="connect">Connect</h2>
<p>To connect to your new <code>quasselcore</code>, open quassel client or quasseldroid
and simply change the host name.</p>
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