diff --git a/content/docs/Debian/linux_vpn_setup.md b/content/docs/Debian/linux_vpn_setup.md
index 781c660..b535487 100644
--- a/content/docs/Debian/linux_vpn_setup.md
+++ b/content/docs/Debian/linux_vpn_setup.md
@@ -95,7 +95,7 @@ Be mindful about this change, if you lost connectivity to internet. No valid DNS
 
 #### Checking DNS Leaks
 
-<https://mullvad.net/en/check>
+You can use: <https://mullvad.net/en/check>
 
 
 > You might also be interested in **HeadScale**: https://www.youtube.com/watch?v=OECp6Pj2ihg, or [Zrok](https://zrok.io/) or [telebit](https://www.youtube.com/watch?v=-QGbfTY5ExE)
@@ -116,6 +116,7 @@ You can also make your containerized [qbittorrent to have as network only your V
 
 * [Unbound](https://jalcocert.github.io/RPi/posts/selfh-internet-better/#unbound-dns)
 * [CoreDNS](https://github.com/coredns/coredns)
+* Bind9
 
 #### Check Port 67 is Free
 
@@ -135,6 +136,12 @@ sudo systemctl stop a_conflicting_service #for now
 
 Yes, if you have [PiHole](https://fossengineer.com/selfhosting-PiHole-docker/) at home, you can access it from anywhere when using Tailscale: <https://tailscale.com/kb/1114/pi-hole>
 
+{{< gist jalcocert 302f787db6f6d75e978674e0e18d1185
+"Docker-Security-Pihole.yml">}}
+
+{{< gist "JAlcocerT/197667ec5ec0da53e78eb58c4253a73f/Docker-Security-Pihole.yml" >}}
+
+
 ### And also code from an Ipad?
 
 Yes, you can with Tailscale + VSCode Server: <https://tailscale.com/kb/1166/vscode-ipad>
diff --git a/content/docs/Debian/useful_tools.md b/content/docs/Debian/useful_tools.md
index c96fdc5..7121482 100644
--- a/content/docs/Debian/useful_tools.md
+++ b/content/docs/Debian/useful_tools.md
@@ -407,7 +407,7 @@ sudo apt-get install stacer
 
 ### Must know CLI's
 
-#### {{% details title="What's taking that much disk space?" closed="true" %}}
+{{% details title="What's taking that much disk space?" closed="true" %}}
 
 ```sh
 du -h --max-depth=1 ~/ | sort -rh
@@ -421,7 +421,7 @@ du -h --max-depth=1 ~/ | sort -rh
 
 * For Power Management:
 
-#### {{% details title="How to turn off" closed="true" %}}
+{{% details title="How to turn off" closed="true" %}}
 
 ```sh
 systemctl suspend
@@ -432,7 +432,7 @@ systemctl suspend
 
 * For Networking:
 
-#### {{% details title="How to know my local IP?" closed="true" %}}
+{{% details title="How to know my local IP?" closed="true" %}}
 
 ```sh
 hostname -I
@@ -442,7 +442,7 @@ hostname -I
 
 
 
-#### {{% details title="What if I need to add my IPv6 address too?" closed="true" %}}
+{{% details title="What if I need to add my IPv6 address too?" closed="true" %}}
 
 You can check your raspberry IPV6 with:
 
@@ -453,7 +453,7 @@ ifconfig
 
 
 
-#### {{% details title="How to get UID and GUI" closed="true" %}}
+{{% details title="How to get UID and GUI" closed="true" %}}
 
 ```sh
 id pi #id <your username>
@@ -462,7 +462,9 @@ id pi #id <your username>
 {{% /details %}}
 
 
-### {{% details title="How to use Mac in Linux" closed="true" %}}
+### How to use mac in Linux
+
+{{% details title="Install Sosumi" closed="true" %}}
 
 
 ```sh