# stop and remove local dns server
docker rm -f dns
# stop and remove air-gap server
(cd ~/iotg/pwek-aio-offline-installer && docker-compose down)

# revert dns setting for network-manager
sed -i -e '/dns=default/d' /etc/NetworkManager/NetworkManager.conf
systemctl restart network-manager

# restart systemd-resolved
mv /etc/resolv.conf.bak /etc/resolv.conf
systemctl enable --now systemd-resolved

# revert apt configuration
mv /etc/apt/sources.list.bak /etc/apt/sources.list
(cd /etc/apt/sources.list.d && mv offline_archive_ubuntu.list offine_archive_ubuntu.list.bak)
apt update