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Lionel 0b8061460c Auto-sync Tue 13 Jan 16:05:02 CET 2026
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<h1 id="backup">Backup</h1>
<p>Sauvegarde automatique de Talloires vers Annecy (Synology NAS).</p>
<h2 id="configuration">Configuration</h2>
<table>
<thead>
<tr>
<th>Paramètre</th>
<th>Valeur</th>
</tr>
</thead>
<tbody>
<tr>
<td>Script</td>
<td>~/backup-to-annecy.sh</td>
</tr>
<tr>
<td>Destination</td>
<td>rsync-talloires@10.171.171.50:/volume1/Backups/talloires/</td>
</tr>
<tr>
<td>Méthode</td>
<td>tar over SSH (rsync SUID bloqué sur Synology DSM 7)</td>
</tr>
<tr>
<td>Schedule</td>
<td>Cron quotidien à 3h00</td>
</tr>
<tr>
<td>Rétention</td>
<td>7 derniers backups</td>
</tr>
<tr>
<td>Log</td>
<td>~/backup.log</td>
</tr>
</tbody>
</table>
<h2 id="donnees-sauvegardees">Données sauvegardées</h2>
<ul>
<li>~/docker/ (toutes les configs Docker)</li>
</ul>
<h3 id="exclusions">Exclusions</h3>
<ul>
<li>*.log</li>
<li><em>/cache/</em></li>
<li><em>/logs/</em></li>
<li><em>/<strong>pycache</strong>/</em></li>
</ul>
<h2 id="authentification-ssh">Authentification SSH</h2>
<ul>
<li>Clé privée (root): /root/.ssh/id_ed25519</li>
<li>Clé privée (lionel): ~/.ssh/id_ed25519</li>
<li>Utilisateur distant: rsync-talloires</li>
<li>Fingerprint: SHA256:CxpeBfvrBV/s+RNE49SwrY3WsG28Du3nyQ/2D9lApU8</li>
</ul>
<h2 id="commandes">Commandes</h2>
<h3 id="lancer-un-backup-manuel">Lancer un backup manuel</h3>
<div class="highlight"><pre><span></span><code>~/backup-to-annecy.sh
</code></pre></div>
<h3 id="verifier-le-log">Vérifier le log</h3>
<div class="highlight"><pre><span></span><code>cat<span class="w"> </span>~/backup.log
</code></pre></div>
<h3 id="verifier-les-backups-sur-annecy">Vérifier les backups sur Annecy</h3>
<div class="highlight"><pre><span></span><code>sudo<span class="w"> </span>ssh<span class="w"> </span>-i<span class="w"> </span>/root/.ssh/id_ed25519<span class="w"> </span>rsync-talloires@10.171.171.50<span class="w"> </span><span class="s2">&quot;ls -lh /volume1/Backups/talloires/&quot;</span>
</code></pre></div>
<h3 id="restaurer-un-backup">Restaurer un backup</h3>
<div class="highlight"><pre><span></span><code><span class="c1"># Sur Talloires</span>
sudo<span class="w"> </span>ssh<span class="w"> </span>-i<span class="w"> </span>/root/.ssh/id_ed25519<span class="w"> </span>rsync-talloires@10.171.171.50<span class="w"> </span><span class="s2">&quot;cat /volume1/Backups/talloires/docker-backup-YYYYMMDD-HHMMSS.tar.gz&quot;</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>sudo<span class="w"> </span>tar<span class="w"> </span>-xzf<span class="w"> </span>-<span class="w"> </span>-C<span class="w"> </span>/home/lionel/
</code></pre></div>
<h2 id="cron">Cron</h2>
<div class="highlight"><pre><span></span><code><span class="c1"># Voir le cron</span>
sudo<span class="w"> </span>crontab<span class="w"> </span>-l
<span class="c1"># Modifier</span>
sudo<span class="w"> </span>crontab<span class="w"> </span>-e
</code></pre></div>
<p>Entrée actuelle :
<div class="highlight"><pre><span></span><code>0 3 * * * /home/lionel/backup-to-annecy.sh
</code></pre></div></p>
<h2 id="notes-techniques">Notes techniques</h2>
<p>Le rsync classique ne fonctionne pas avec Synology DSM 7 car :
- rsync est SUID root sur DSM
- Les utilisateurs non-admin nont pas de shell par défaut
- Solution: tar over SSH fonctionne parfaitement</p>
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