安装Cloudflared作为DNS over https客户端

1.下载cloudflared deb包并安装

wget https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64.deb && sudo dpkg -i cloudflared-linux-amd64.deb

2.创建配置文件

sudo mkdir -p /etc/cloudflared
sudo cat << EOF > /etc/cloudflared/config.yml
proxy-dns: true
proxy-dns-upstream:
 - https://1.1.1.1/dns-query
 - https://1.0.0.1/dns-query
EOF
sudo touch /etc/cloudflared/cert.pem

3.创建systemd文件

sudo cloudflared service install --legacy
sudo systemctl start cloudflared && sudo systemctl enable cloudflared

4.修改resolv.conf

sudo echo > /etc/resolv.conf
sudo cat << EOF > /etc/resolv.conf
nameserver 127.0.0.1
EOF