+```
+$ # Replace authenticator = standalone by authenticator = webroot
+$ # Add webroot_path = /var/www/certbot
+$ sudo vim /etc/letsencrypt/renewal/your-domain.com.conf
+```
+
+**FreeBSD**
+On FreeBSD you can use [Dehydrated](https://dehydrated.io/) `security/dehydrated` for [Let's Encrypt](https://letsencrypt.org/)
+
+```
+$ sudo pkg install dehydrated
+```
+
+### TCP/IP Tuning
+
+**On Linux**
+
+```
+$ sudo cp /var/www/peertube/peertube-latest/support/sysctl.d/30-peertube-tcp.conf /etc/sysctl.d/
+$ sudo sysctl -p /etc/sysctl.d/30-peertube-tcp.conf
+```
+
+Your distro may enable this by default, but at least Debian 9 does not, and the default FIFO
+scheduler is quite prone to "Buffer Bloat" and extreme latency when dealing with slower client
+links as we often encounter in a video server.
+
+### systemd
+
+If your OS uses systemd, copy the configuration template: