mise en forme ntpd et systemd
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@ -48,7 +48,7 @@
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<section>
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<h2>Cron</h2>
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<pre>Les fichiers de cron</pre>
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<pre>Les fichiers utiles :</pre>
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<pre>
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<code>
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# systemctl status cron
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</section>
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<section>
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<h2>Cron (suite)</h2>
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<pre>
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<code>
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$ crontab -e
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</section>
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<section>
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<h2>Cron (suite)</h2>
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<pre>
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<code>
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$ man 5 crontab
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@ -100,57 +102,88 @@ $ crontab -l
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</section>
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<section>
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<h2>ntpd</h2>
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<pre>
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<code>
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$ date
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</code>
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<code>
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# apt install ntp
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</code>
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<code>
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Fichier /etc/ntp.conf :
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</code>
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server ntp.evolix.net
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# ntpq -p
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$ timedatectl
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# hwclock --show
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# hwclock --systohc
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</pre>
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</section>
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<section>
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<h2>ntpd (suite)</h2>
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<pre>
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<code>
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# ntpq -p
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</code>
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<code>
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$ timedatectl
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</code>
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<code>
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# hwclock --show
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</code>
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<code>
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# hwclock --systohc
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</code>
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</pre>
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</section>
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<section>
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<h2>systemd</h2>
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systemd est un gestionnaire de services (le fameux démon avec le PID 1) en alternative au System V. Il est installé par défaut depuis Debian 8.
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# systemctl status
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# systemctl list-units
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# systemctl --failed
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# systemctl list-unit-files
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<p>systemd est un gestionnaire de services (le fameux démon avec le PID 1) en alternative au System V. Il est installé par défaut depuis Debian 8.</p>
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<pre>
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<code># systemctl status</code>
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<code># systemctl list-units</code>
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<code># systemctl --failed</code>
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<code># systemctl list-unit-files</code>
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</pre>
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</section>
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<section>
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<p>
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<h2>systemd (suite)</h2>
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Unités par défaut : /usr/lib/systemd/system/
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Modifications manuelles : /etc/systemd/system/
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</p>
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<pre>
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<code># systemctl start < unité ></code>
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<code># systemctl stop < unité ></code>
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<code># systemctl restart < unité ></code>
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<code># systemctl reload < unité ></code>
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</pre>
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</section>
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# systemctl start <unité>
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# systemctl stop <unité>
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# systemctl restart <unité>
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# systemctl reload <unité>
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<section>
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<h2>systemd (suite)</h2>
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<pre>
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<code># systemctl status < unité ></code>
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<code># systemctl is-enabled < unité ></code>
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<code># systemctl enable < unité ></code>
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<code># systemctl disable < unité ></code>
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<code># systemctl reboot</code>
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<code># systemctl poweroff</code>
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<code># systemd-analyze</code>
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</pre>
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</section>
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# systemctl status <unité>
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# systemctl is-enabled <unité>
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# systemctl enable <unité>
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# systemctl disable <unité>
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# systemctl reboot
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# systemctl poweroff
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# systemd-analyze
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Modifier une unité
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# cp -a /lib/systemd/system/<service>.service /etc/systemd/system/
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# vim /etc/systemd/system/<service>.service
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# systemctl daemon-reload
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# systemctl cat ssh
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# systemctl cat cron
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# systemctl edit <unité>
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<section>
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<h2>Modifier une unité</h2>
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<pre>
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<code># cp -a /lib/systemd/system/< service >.service /etc/systemd/system/</code>
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<code># vim /etc/systemd/system/< service >.service</code>
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<code># systemctl daemon-reload</code>
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<code># systemctl cat ssh</code>
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<code># systemctl cat cron</code>
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<code># systemctl edit < unité ></code>
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</pre>
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</section>
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<section>
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