https://nginx.org/en/linux_packages.html
sudo apt install curl gnupg2 ca-certificates lsb-release ubuntu-keyring
curl https://nginx.org/keys/nginx_signing.key | gpg --dearmor \
| sudo tee /usr/share/keyrings/nginx-archive-keyring.gpg >/dev/null
验证gpg文件,可忽略
gpg --dry-run --quiet --no-keyring --import --import-options import-show /usr/share/keyrings/nginx-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/nginx-archive-keyring.gpg] \
http://nginx.org/packages/ubuntu `lsb_release -cs` nginx" \
| sudo tee /etc/apt/sources.list.d/nginx.list
sudo apt update
sudo apt install nginx
systemctl start nginx
#查看安装的模块
nginx -V