首先

在Debian 11上预安装了Nginx。
原始文章：Nginx的各种安装方法和EOL总结。

日志

安裝

# cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
NAME="Debian GNU/Linux"
VERSION_ID="11"
VERSION="11 (bullseye)"
VERSION_CODENAME=bullseye
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

确认的种类

# which nginx
/usr/sbin/nginx

# nginx -v
nginx version: nginx/1.18.0

# apt show nginx
Package: nginx
Version: 1.18.0-6.1
Priority: optional
Section: httpd
Maintainer: Debian Nginx Maintainers <pkg-nginx-maintainers@alioth-lists.debian.net>
Installed-Size: 104 kB
Depends: nginx-core (<< 1.18.0-6.1.1~) | nginx-full (<< 1.18.0-6.1.1~) | nginx-light (<< 1.18.0-6.1.1~) | nginx-extras (<< 1.18.0-6.1.1~), nginx-core (>= 1.18.0-6.1) | nginx-full (>= 1.18.0-6.1) | nginx-light (>= 1.18.0-6.1) | nginx-extras (>= 1.18.0-6.1)
Homepage: https://nginx.net
Tag: implemented-in::c, interface::daemon, network::server, network::service,
 protocol::http, role::program, use::proxying
Download-Size: 92.6 kB
APT-Manual-Installed: yes
APT-Sources: http://deb.debian.org/debian bullseye/main amd64 Packages
Description: small, powerful, scalable web/proxy server