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Today I am doing maintenance of the server Debian 8.4, and I don't know why phpmyadmin package has been held back, well I haven't solved such situation yet, so any suggestions are welcome, thank you.

apt-get upgrade

root@vb-srv-debian:/# apt-get upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  phpmyadmin
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.

first off, my idea was to run apt-get dist-upgrade

root@vb-srv-debian:/# apt-get dist-upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Strange, right?

Ok, now what is in the policy:

root@vb-srv-debian:/# apt-cache policy phpmyadmin
phpmyadmin:
  Installed: 4:4.6.0-1.trusty~ppa.1
  Candidate: 4:4.6.1-1.trusty~ppa.1
  Version table:
     4:4.6.1-1.trusty~ppa.1 0
        500 http://ppa.launchpad.net/nijel/phpmyadmin/ubuntu/ trusty/main amd64 Packages
 *** 4:4.6.0-1.trusty~ppa.1 0
        100 /var/lib/dpkg/status
     4:4.2.12-2+deb8u1 0
        500 http://ftp.cz.debian.org/debian/ jessie/main amd64 Packages
        500 http://security.debian.org/ jessie/updates/main amd64 Packages

Bad thing is, that here my knowledge ends, to be exact, I don't understand the policy, can someone explain?

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You're pulling in phpmyadmin from a Trusty PPA. The package there seems to be a straightfoward rebuild of the phpmyadmin package in Debian, but the latter recently changed to simplify its dependencies, using the new php-defaults packages. The resulting package can no longer be installed in Debian 8.

There is no easy solution to upgrade to version 4.6.1 of the Debian/Ubuntu packages. Typically I would recommend using the Jessie version (which gets security support), but downgrading phpMyAdmin might not be easy either (or possible at all)... You could always ask for a backport.

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  • would apt-get purge phpmyadmin, removing the PPA, and then apt-get install phpmyadmin work in my case? – LinuxSecurityFreak May 17 '16 at 8:59
  • @burian.vlastimil if you don't mind losing the phpMyAdmin configuration, yes, with apt-get update after removing the PPA. You'll lose any new features introduced between phpMyAdmin 4.2 and 4.6 though! – Stephen Kitt May 17 '16 at 9:04

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