# snap

yum -y install epel-release #安装依赖

yum -y install snapd #安装snap

systemctl enable --now snapd.socket #启动snap通信套接字

ln -s /var/lib/snapd/snap /snap #创建如下软连接，为了启用classic snap的支持

systemctl restart snapd.service

sudo snap install --classic certbot

sudo ln -s /snap/bin/certbot /usr/bin/certbot

sudo certbot --nginx

# apply only

sudo certbot certonly --nginx

# renew

sudo certbot renew --dry-run