OLDGW=`route -n | grep "ppp0" | awk -F: '{print $1}' | grep "UH" | awk '{print $1}'`

docker run -dit --restart unless-stopped -p 8080:80 -e TZ="Asia/Hong_Kong" -e NODES="1867:172.17.0.1" occitech/munin:latest

firewall-cmd --add-masquerade --permanent
sudo firewall-cmd --reload

firewall-cmd --add-port=port-number/port-type

1. Make the new settings persistent:

   $ sudo firewall-cmd --runtime-to-permanent

Reference: https://linuxhint.com/centos7_router/

https://docs.fedoraproject.org/en-US/quick-docs/firewalld/

cd /www/wwwroot/ && find -type f -name "*.tpl" | xargs sed -i 's/jsdelivr.example.com/cdn.jsdelivr.net/'

docker run -dit --restart unless-stopped -p 3000:3000 -v $(pwd)/ntopng.license:/etc/ntopng.license:ro --net=host ntop/ntopng:latest -i eth0
docker run -dit --cpuset-cpus="2" --restart unless-stopped -p 3000:3000 -v $(pwd)/ntopng.license:/etc/ntopng.license:ro --net=host ntop/ntopng:latest -i eth0 -i eth1 -i tap_biz

docker save -o <path for generated tar file> <image name>

docker load -i <path to copied image file>

Solution:

Create docker network interface manually using the following commands:

ip link add name docker0 type bridge

ip addr add dev docker0 172.x.y.z/16