ZeroTier

install on ubuntu

curl -s 'https://raw.githubusercontent.com/zerotier/ZeroTierOne/master/doc/contact%40zerotier.com.gpg' | gpg --import && \
if z=$(curl -s 'https://install.zerotier.com/' | gpg); then echo "$z" | sudo bash; fi

加入一个网络 (363c67c55a0fb8b7 是我的网络)

sudo zerotier-cli join 363c67c55a0fb8b7

开放防火墙

sudo firewall-cmd --zone=public --add-port=9993/udp --permanent
sudo systemctl restart firewalld