-# copy @arvbox-root-cert.pem@ to @/usr/local/share/ca-certificates/@
-# run @/usr/sbin/update-ca-certificates@
+h3. On Debian/Ubuntu:
+
+<notextile>
+<pre><code>cp arvbox-root-cert.pem /usr/local/share/ca-certificates/
+/usr/sbin/update-ca-certificates
+</code></pre>
+</notextile>
+
+h3. On CentOS:
+
+<notextile>
+<pre><code>cp arvbox-root-cert.pem /etc/pki/ca-trust/source/anchors/
+/usr/bin/update-ca-trust
+</code></pre>
+</notextile>