https://johnyuan2000.hatenadiary.org/entry/20120420/1334914291 https://www.thomas-krenn.com/en/wiki/Two_Default_Gateways_on_One_System https://www.adampalmer.me/iodigitalsec/2014/10/05/linux-iproute2-multiple-default-gateways/ https://serv…

https://unix.stackexchange.com/questions/237460/ssh-into-a-server-which-is-connected-to-a-vpn-service