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--- do_install_pi_hole_my_ubuntu_24_04_server_26 [2026/08/11 21:11] – wikiadmin
+++ do_install_pi_hole_my_ubuntu_24_04_server_26 [2026/08/11 21:15] (current) – wikiadmin
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 ====== How to Install Pi-hole on Linux Ubuntu v 24.04 server and Ubuntu v 26.04 server ======
-If you have two Ubuntu servers on the same LAN network, and if you are having trouble connecting ONLYOFFICE Document Server ADDON (in the admin panel of Nextcloud that is installed on One Ubuntu server) with the OnlyOffice Document Server that is installed on the other Ubuntu server, then try this before you buy a new router that would eliminate the Hairpin NAT (NAT Loopback) restriction that is built into most routers. The NAT Loopback restriction is often the reason Nextcloud and OnlyOffice cannot connect with each other on the same server box or between two server boxes on the same LAN network.
+If you have two Ubuntu servers on the same LAN network, and one server has Nextcloud installed and the other server has ONLYOFFICE Document Server installed, and if you are having trouble connecting ADDON for ONLYOFFICE Document Server (within the admin panel of Nextcloud) to and with the OnlyOffice Document Server that is installed on the other Ubuntu server, then try this before you buy a new router that would eliminate the Hairpin NAT (NAT Loopback) restriction that is built into most routers. The NAT Loopback restriction is often the reason Nextcloud and OnlyOffice cannot connect with each other when installed on the same server box or between two server boxes residing on the same LAN network.
 To install Pi-hole on your standalone Ubuntu 24.04 and Ubuntu 26.04 bare-metal servers, you must first disable Ubuntu's built-in DNS stub listener (systemd-resolved). If you do not disable it, Pi-hole will fail to install because port 53 (DNS) will already be occupied.