はじめに

公式repositoryを利用してUbuntu 20.04にNginx stable最新版をインストール
親記事：Nginxの各種インストール方法とEOLまとめ
参考：nginx: Linux packages

サポート

本手法で導入した場合、nginxの開発が停止するまでサポートされると思われる。
特定のバージョンを指定しなければ、stable最新版が常に提供されると思われる。

LOG

レポジトリ登録

# apt update; apt install -y curl gnupg2 ca-certificates lsb-release ubuntu-keyring
# curl https://nginx.org/keys/nginx_signing.key | gpg --dearmor | tee /usr/share/keyrings/nginx-archive-keyring.gpg >/dev/null
# gpg --dry-run --quiet --import --import-options import-show /usr/share/keyrings/nginx-archive-keyring.gpg
pub   rsa2048 2011-08-19 [SC] [expires: 2024-06-14]
      573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62
uid                      nginx signing key <signing-key@nginx.com>

# echo "deb [signed-by=/usr/share/keyrings/nginx-archive-keyring.gpg] http://nginx.org/packages/ubuntu `lsb_release -cs` nginx" | tee /etc/apt/sources.list.d/nginx.list
# echo -e "Package: *\nPin: origin nginx.org\nPin: release o=nginx\nPin-Priority: 900\n" | tee /etc/apt/preferences.d/99nginx

インストール

# cat /etc/os-release
PRETTY_NAME="Ubuntu 22.04 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=jammy

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

各種確認

# which nginx
/usr/sbin/nginx

# nginx -v
nginx version: nginx/1.20.2

# apt show nginx
Package: nginx
Version: 1.20.2-1~jammy
Priority: optional
Section: httpd
Maintainer: NGINX Packaging <nginx-packaging@f5.com>
Installed-Size: 3222 kB
Provides: httpd, nginx, nginx-r1.20.2
Depends: libc6 (>= 2.34), libcrypt1 (>= 1:4.1.0), libpcre3, libssl3 (>= 3.0.0~~alpha1), zlib1g (>= 1:1.1.4), lsb-base (>= 3.0-6), adduser
Conflicts: nginx-common, nginx-core
Replaces: nginx-common, nginx-core
Homepage: https://nginx.org
Download-Size: 991 kB
APT-Manual-Installed: yes
APT-Sources: http://nginx.org/packages/ubuntu jammy/nginx amd64 Packages
Description: high performance web server
 nginx [engine x] is an HTTP and reverse proxy server, as well as
 a mail proxy server.

N: There are 2 additional records. Please use the '-a' switch to see them.