我无法将 nginx PHP 版本升级到 ubuntu 16 上的最新版本

Question

我试过升级PHP版本。 但我只是得到错误。

我试过这个教程。

apt update
apt upgrade

apt install software-properties-common
add-apt-repository ppa:ondrej/nginx

apt update
apt upgrade

apt install php8.0 php8.0-cli php8.0-fpm php8.0-apcu php8.0-opcache 
php8.0-common php8.0-pear php8.0-curl php8.0-zip php8.0-mcrypt php8.0-mysql 
php8.0-mbstring php8.0-xml php8.0-gd php8.0-gmagick php8.0-imagick 
php8.0-xmlrpc php7.3-maxminddb

但我得到这个错误。

Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package php8.0
E: Couldn't find any package by glob 'php8.0'
E: Couldn't find any package by regex 'php8.0'
E: Unable to locate package php8.0-cli
E: Couldn't find any package by glob 'php8.0-cli'
E: Couldn't find any package by regex 'php8.0-cli'
E: Unable to locate package php8.0-fpm
E: Couldn't find any package by glob 'php8.0-fpm'
E: Couldn't find any package by regex 'php8.0-fpm'
E: Unable to locate package php8.0-apcu
E: Couldn't find any package by glob 'php8.0-apcu'
E: Couldn't find any package by regex 'php8.0-apcu'
E: Unable to locate package php8.0-opcache
...

我怎么解决这个问题？

我试过我的教程。 但只是得到这样的相同错误。

Answer 1

尝试apt full-upgrade和apt upgrade以及最后一个命令apt get update尝试这三个命令，然后重新启动机器它将解决。

Answer 2

如ppa 描述中所述：

仅提供受支持的 PHP ( http://php.net/supported-versions.php )版本( https://wiki.ubuntu.com/Releases )。

Ubuntu 16.04 自 2021 年 4 月起不再受支持，因此我认为 php 8.0 也不再有 xenial 分支。 我建议将 Ubuntu 升级到版本。 20.04 LTS 以便能够使用 php 8.0