首先，

将Nginx作为Debian10的标准安装进行安装。
相关文章：Nginx各种安装方法与EOL总结。

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安装

# cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

# apt update; apt install -y nginx
... 略

确认的各种类型

# which nginx
/usr/sbin/nginx

# nginx -v
nginx version: nginx/1.14.2

# apt show nginx
Package: nginx
Version: 1.14.2-2+deb10u1
Priority: optional
Section: httpd
Maintainer: Debian Nginx Maintainers <pkg-nginx-maintainers@alioth-lists.debian.net>
Installed-Size: 100 kB
Depends: nginx-full (<< 1.14.2-2+deb10u1.1~) | nginx-light (<< 1.14.2-2+deb10u1.1~) | nginx-extras (<< 1.14.2-2+deb10u1.1~), nginx-full (>= 1.14.2-2+deb10u1) | nginx-light (>= 1.14.2-2+deb10u1) | nginx-extras (>= 1.14.2-2+deb10u1)
Homepage: https://nginx.net
Tag: implemented-in::c, interface::daemon, network::server, network::service,
 protocol::http, role::program, use::proxying
Download-Size: 88.3 kB
APT-Manual-Installed: yes
APT-Sources: http://deb.debian.org/debian buster/main amd64 Packages
Description: small, powerful, scalable web/proxy server