Disable IPv6 on Linux

disable-ipv6.md

+---
+title: Disabling IPv6 on Linux
+permalink: /disable-ipv6-linux/
+---
+
+```bash
+echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf
+sysctl -p
+```
+
+Remember to replace `IPv6=yes` with `IPv6=no` in `/etc/default/ufw`.
+
+After that, `sudo ufw disable && sudo ufw enable` or reboot.
\ No newline at end of file

dns/dot/index.md

+---
+title: DNS-over-TLS
+permalink: /dns-over-tls/
+---
+
+* [Unbound](unbound-linux.md) (Linux)
\ No newline at end of file

index.md

@@ -7,7 +7,6 @@ permalink: /
 
 ## Server Linux
 
-
 * [Certbot](certbot.md)
 * [Wireguard](wireguard.md)
 * [Nginx](nginx.md)
@@ -15,6 +14,11 @@ permalink: /
 * [LXD](lxd.md)
 * [Mastodon](mastodon.md)
 
+* [DNS-over-TLS](dns/dot/index.md)
+    * [Unbound](dns/dot/unbound-linux.md) (Linux)
+
+* [Disable IPv6](disable-ipv6.md)
+
 Other:
 
 * [PowerDNS](powerdns.md)