1.删除nginx
apt-get-y autoremove --purge nginx
2.添加nginx官方仓库
echo "deb http://nginx.org/packages/debian/ buster nginx">> /etc/apt/sources.list
echo "deb-src http://nginx.org/packages/debian/ buster nginx">> /etc/apt/sources.list
wget http://nginx.org/keys/nginx_signing.key && apt-key add nginx_signing.key
3.更新
apt-get update -y
4.安装
apt-get install-y nginx
