Dpkg PHP not installed, but it is installed

[coppolino97]

Hi all,
I have a machine with Debian 10.
On this machine a would install backup software (CBackup is software https://cbackup.me/en/).

I have installed PHP version 7.1 using this guide https://www.itzgeek.com/how-tos/linux/d ... ian-8.html, due to I had problem with php-mcrypt if I use PHP 7.4 version (default PHP version with Debian 10).

PHP 7.1 is installed properly in my opinion. This is output of "php -v" command:

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root@hostname:~# php -v
PHP 7.1.33-17+0~20200807.39+debian10~1.gbp032d47 (cli) (built: Aug  7 2020 15:00:57) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.1.33-17+0~20200807.39+debian10~1.gbp032d47, Copyright (c) 1999-2018, by Zend Technologies

After that I tryed to install "cbackup" software using dpkg and I get this error:

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pkg: package libgcc1 pre-depends on php (>= 7.0)
php is not installed

I have typed this command too

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update-alternatives --set php /usr/bin/php7.1

Could it be this the issue?

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 apt show php -a
Package: php
Version: 2:7.4+76+0~20200511.26+debian10~1.gbpc9beb6
Priority: optional
Section: php
Source: php-defaults (76+0~20200511.26+debian10~1.gbpc9beb6)
Maintainer: Debian PHP Maintainers <team+pkg-php@tracker.debian.org>
Installed-Size: 13,3 kB
Depends: php7.4
Download-Size: 6.524 B
APT-Sources: https://packages.sury.org/php buster/main amd64 Packages
Description: server-side, HTML-embedded scripting language (default)
 PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used
 open source general-purpose scripting language that is especially suited
 for web development and can be embedded into HTML.
 .
 This package is a dependency package, which depends on latest stable
 PHP version (currently 7.4).

Package: php
Version: 2:7.3+69
Priority: optional
Section: php
Source: php-defaults (69)
Maintainer: Debian PHP Maintainers <team+pkg-php@tracker.debian.org>
Installed-Size: 12,3 kB
Depends: php7.3
Download-Size: 5.964 B
APT-Sources: http://ftp.it.debian.org/debian buster/main amd64 Packages
Description: linguaggio di scripting incorporato nell'HTML, lato server (predefinito)
 PHP (acronimo ricorsivo di PHP: Hypertext Preprocessor) è un linguaggio di
 scripting open source generico largamente usato che è particolarmente
 adatto per lo sviluppo web e che può essere incorporato nell'HTML.
 .
 Questo è un pacchetto di dipendenze, che dipende dalla versione stabile più
 recente di PHP (attualmente la 7.3).

Is there a way to fix it?

Thanks so much in advanced!

[sickpig]

cbackup doesn't have a package for Debian. The .deb they have is for "Ubuntu 16 LTS release".
You should try building from source or package it for Debian yourself before using dpkg to install it.

[coppolino97]

Hi @sickpig,

I tought that Ubuntu and Debian packages has got the same extension *deb, I can install it on Debian.

thanks for your reply.

[Head_on_a_Stick]

I tought that Ubuntu and Debian packages has got the same extension *deb, I can install it on Debian.

Only if the dependencies are satisfiable (is that a word?).

[stevepusser]

Hi @sickpig,

I tought that Ubuntu and Debian packages has got the same extension *deb, I can install it on Debian.

thanks for your reply.

But though the OP's thinking is totally mistaken concerning debs (why don't these Toyota brake rotors fit on my Ferrari?) (Don't break Debian, repo mix and match parade thread), why does the version he has installed indicate the standard Debian 10 version? It's probable the 7.1 version they installed didn't add itself to the alternatives system--if they want a GUI to help with that, there is Galternatives.

[coppolino97]

Thanks for your help and explanations!