DoH (DNS over HTTPS) w/ pihole in docker on DSM

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DoH (DNS over HTTPS) w/ pihole in docker on DSM

@BobW ,

Thanks for this quick tutorial, it looks quite simple.
Do you think this can be done within the DSM UI instead of CLI ?
With DSM UI you cannot setup a macvlan network and you will get an error if you want to use port 53 an 67.
I don't use CLI so I could not say if it will work..sorry

Portainer is an option if you want to use a GUI
 
I don't use CLI so I could not say if it will work..sorry

I may not have been clear with the term CLI :) : I meant command line (SSH to your Syno box)
For the macvlan if it's not possible in DSM UI then yes SSH to the Syno box should be OK for me :)

as for :
Code:
 --network=macvlan_network \
 --ip=192.168.xx.xx \                  #your macvlan IP
Can these be set in the UI ?
 
I may not have been clear with the term CLI :) : I meant command line (SSH to your Syno box)
For the macvlan if it's not possible in DSM UI then yes SSH to the Syno box should be OK for me :)

Okay got it, Command line ;) yes

as for :
Code:
 --network=macvlan_network \
--ip=192.168.xx.xx \                  #your macvlan IP
Can these be set in the UI ?

No you need to set it through Command line (CLI;))
 
I get a error when i put the docker create adguard: "docker: Error response from daemon: failed to create the macvlan port: device or resource busy."
Code:
sudo docker network create -d macvlan 
--subnet=192.168.1.0/20 --ip-range=192.168.1.0/20 -o parent=eth0 secure_network

sudo docker run -d --name adguard -v /volume1/docker/adguard/work:/opt/adguardhome/work 
-v /volume1/docker/adguard/config:/opt/adguardhome/conf 
-v /volume1/docker/adguard/etc/hosts:/etc/hosts:rw -v /etc/localtime:/etc/localtime:ro 
-v /etc/TZ:/etc/timezone:ro --env TZ='Europe/Brussels' --network=secure_network --ip=192.168.2.200 --hostname='adguard' -p 53:53/tcp -p 53:53/udp -p 67:67/udp -p 68:68/tcp 
-p 68:68/udp -p 81:80/tcp -p 8443:443/tcp -p 853:853/tcp -p 3000:3000/tcp --restart always adguard/adguardhome:latest

Any idea what is wrong here?
 
Error gone by changing the "-o parent=eth0 into parent=ovs_eth0".
Now I have another error:
Code:
docker: Error response from daemon: OCI runtime create failed: container_linux.go:345:
starting container process caused "process_linux.go:430: container init
caused \"rootfs_linux.go:59: mounting \\\"/volume1/docker/adguard/etc/hosts\\\"
to rootfs \\\"/volume1/@docker/btrfs/subvolumes/cac0513f8dee6787ebd1c02076054eac2d5f4be60bdb01aac809dc186a5baadd\\\" at
\\\"/volume1/@docker/btrfs/subvolumes/cac0513f8dee6787ebd1c02076054eac2d5f4be60bdb01aac809dc186a5baadd/etc/hosts\\\" caused \\\"not a directory\\\"\"":
unknown: Are you trying to mount a directory onto a file (or vice-versa)? Check if the specified host path exists and is the expected type.
 
Error gone by changing the "-o parent=eth0 into parent=ovs_eth0".
Now I have another error:
Code:
docker: Error response from daemon: OCI runtime create failed: container_linux.go:345:
starting container process caused "process_linux.go:430: container init
caused \"rootfs_linux.go:59: mounting \\\"/volume1/docker/adguard/etc/hosts\\\"
to rootfs \\\"/volume1/@docker/btrfs/subvolumes/cac0513f8dee6787ebd1c02076054eac2d5f4be60bdb01aac809dc186a5baadd\\\" at
\\\"/volume1/@docker/btrfs/subvolumes/cac0513f8dee6787ebd1c02076054eac2d5f4be60bdb01aac809dc186a5baadd/etc/hosts\\\" caused \\\"not a directory\\\"\"":
unknown: Are you trying to mount a directory onto a file (or vice-versa)? Check if the specified host path exists and is the expected type.
Etc/host mount is wrong from syno side (left side)
 

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