I have installed PHP 7.2 on a Debian 9 server (a docker container actually) and installed some php modules.

But when I get to gd and pdo/mysql apt is unable to find any packages:

$apt install php-pdo
Package php-pdo is a virtual package provided by:
   php7.3-common 7.3.0-2 [Not candidate version]
   php7.0-common 7.0.33-0+deb9u1 [Not candidate version]
   php7.0-common 7.0.30-0+deb9u1 [Not candidate version]

My sources.list files looks like this:

cat /etc/apt/sources.list

deb http://deb.debian.org/debian stretch main
deb http://security.debian.org/debian-security stretch/updates main
deb http://deb.debian.org/debian stretch-updates main
deb https://packages.sury.org/php/ stretch main
deb https://packages.sury.org/apache2/ stretch main

I went through many websites recommending different things, and many of them recommending to add ondrej/php PPAs which I think is only suitable for Ubuntu systems.

PS: the software I'm trying to run over PHP has this requeriment:

  • PDO PHP Extension

Note I have the same problem with package php7.2-mysql

$apt-get install php7.2-mysql    
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package php7.2-mysql
E: Couldn't find any package by glob 'php7.2-mysql'
E: Couldn't find any package by regex 'php7.2-mysql'

Edit 2: This is my output of an apt-get update (after an apt-get clean command to clean the cache):

apt-get update
Ign:1 http://deb.debian.org/debian stretch InRelease
Hit:2 http://repo.mysql.com/apt/debian stretch InRelease
Hit:3 http://deb.debian.org/debian stretch-updates InRelease
Hit:4 http://security.debian.org/debian-security stretch/updates InRelease
Hit:5 http://security.debian.org/debian-security buster/updates InRelease
Ign:6 http://deb.debian.org/debian strecht InRelease
Hit:7 http://deb.debian.org/debian buster InRelease
Hit:8 http://deb.debian.org/debian buster-updates InRelease
Hit:9 http://deb.debian.org/debian stretch Release
Ign:10 http://deb.debian.org/debian strecht Release
Ign:11 http://deb.debian.org/debian strecht/main Sources
Ign:11 http://deb.debian.org/debian strecht/main Sources
Ign:11 http://deb.debian.org/debian strecht/main Sources
Ign:11 http://deb.debian.org/debian strecht/main Sources
Ign:11 http://deb.debian.org/debian strecht/main Sources
Err:11 http://deb.debian.org/debian strecht/main Sources
  404  Not Found
Reading package lists... Done
W: The repository 'http://deb.debian.org/debian strecht Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://deb.debian.org/debian/dists/strecht/main/source/Sources  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.

There's no such package, as PDO is embedded in the packages providing the SQL modules:

Package: php7.2-mysql
Description: MySQL module for PHP
 This package provides the MySQL module(s) for PHP.

Provides: php-mysqli, php-mysqlnd, php-pdo-mysql,
 php7.2-mysqli, php7.2-mysqlnd, php7.2-pdo-mysql

Package: php7.2-pgsql
Description: PostgreSQL module for PHP
 This package provides the PostgreSQL module(s) for PHP.

Provides: php-pdo-pgsql, php-pgsql, php7.2-pdo-pgsql

Also notice that these are not packages from Debian 9 Stretch that only has PHP 7.0. They are from the Sury.org repository deb https://packages.sury.org/php/ stretch main you have added.

  • I have the same problem with whits package... I'll edit original post to show it
    – user761076
    Dec 22 '18 at 19:51
  • And you have apt-get updated without errors after adding Sury? Dec 23 '18 at 7:05
  • I get a 404, I'll update OP again to show this. Thank you.
    – user761076
    Dec 23 '18 at 20:52
  • to add source list use script from: packages.sury.org/php/README.txt
    – mvladk
    Mar 28 '19 at 10:26
  • 5
    I needed it in Dockerfile, so solved it by: FROM php:7.2-apache RUN docker-php-ext-install pdo pdo_mysql
    – mvladk
    Mar 28 '19 at 11:17

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