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How to fix packages installed from debian sources?

rated 0 times [ 0] [ 0] / answers: 1 / hits: 1285 / 2 Years ago, mon, october 17, 2022, 2:51:13

For some reason that I can't explain (being dumb I guess), I have installed packages from Debian sources. I use Ubuntu 18.04.

I'd like to fix my mistakes and downgrade to Ubuntu packages. What I did was dpkg -l | grep -v ubuntu | grep deb to list packages that have a 'deb' version instead of 'ubuntu'.
For example, I was able to downgrade systemd from 241 to 237.

However, some packages won't accept being downgraded, for example perl won't downgrade unless I remove a LOT of packages, some crucial, so I can't accept this. Example:

root@KLK876:/etc/apt/preferences.d# apt-cache policy perl

perl:

  Installed: 5.28.1-6+deb10u1

  Candidate: 5.28.1-6+deb10u1

  Version table:

 *** 5.28.1-6+deb10u1 100

        100 /var/lib/dpkg/status

     5.26.1-6ubuntu0.5 500

        500 mirror://mirrors.ubuntu.com/mirrors.txt bionic-updates/main amd64 Packages

        500 mirror://mirrors.ubuntu.com/mirrors.txt bionic-security/main amd64 Packages

        500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages

        500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages

     5.26.1-6 500

        500 mirror://mirrors.ubuntu.com/mirrors.txt bionic/main amd64 Packages

        500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages

So I try to revert to the ubuntu version:

root@KLK876:/etc/apt/preferences.d# aptitude install perl=5.26.1-6ubuntu0.5

The following packages will be DOWNGRADED:

  perl{b} 

0 packages upgraded, 0 newly installed, 1 downgraded, 0 to remove and 0 not upgraded.

Need to get 201 kB of archives. After unpacking 7168 B will be freed.

The following packages have unmet dependencies:

 perl-base : Breaks: perl (< 5.28.1~) but 5.26.1-6ubuntu0.5 is to be installed

 libnet-libidn-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libb-hooks-op-check-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libnet-ssleay-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 liblist-moreutils-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libsereal-encoder-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libvariable-magic-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libdevel-callchecker-perl : Depends: perl (>= 5.28.1-4) but 5.26.1-6ubuntu0.5 is to be installed

 libdbi-perl : Depends: perl (>= 5.28.1-6+deb10u1) but 5.26.1-6ubuntu0.5 is to be installed

 perl-modules-5.28 : Breaks: perl (< 5.28.1~) but 5.26.1-6ubuntu0.5 is to be installed

 libfcgi-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libsnmp-perl : Depends: perl (>= 5.28.1-6) but 5.26.1-6ubuntu0.5 is to be installed

 texinfo : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libclass-c3-xs-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libpackage-stash-xs-perl : Depends: perl (>= 5.28.1-3) but 5.26.1-6ubuntu0.5 is to be installed

 libperlio-gzip-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libdevel-lexalias-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libsub-identify-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libclass-xsaccessor-perl : Depends: perl (>= 5.28.1-1) but 5.26.1-6ubuntu0.5 is to be installed

 libparams-util-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libposix-strptime-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libdevel-caller-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libterm-readkey-perl : Depends: perl (>= 5.28.1-3) but 5.26.1-6ubuntu0.5 is to be installed

 libunicode-utf8-perl : Depends: perl (>= 5.28.1-4) but 5.26.1-6ubuntu0.5 is to be installed

 libfile-fcntllock-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libcairo-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libparams-classify-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libclone-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libsub-name-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libunicode-linebreak-perl : Depends: perl (>= 5.28.1-4) but 5.26.1-6ubuntu0.5 is to be installed

 libnet-dbus-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libnet-dns-sec-perl : Depends: perl (>= 5.28.1-3) but 5.26.1-6ubuntu0.5 is to be installed

 libyaml-libyaml-perl : Depends: perl (>= 5.28.1-3) but 5.26.1-6ubuntu0.5 is to be installed

 libglib-perl : Depends: perl (>= 5.28.1-4) but 5.26.1-6ubuntu0.5 is to be installed

 libio-pty-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libxml-libxml-perl : Depends: perl (>= 5.28.1-4) but 5.26.1-6ubuntu0.5 is to be installed

 libpadwalker-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libmoose-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libemail-address-xs-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libsocket6-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libdbd-mysql-perl : Depends: perl (>= 5.28.1-4) but 5.26.1-6ubuntu0.5 is to be installed

 libcairo-gobject-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 perl : Depends: perl-base (= 5.26.1-6ubuntu0.5) but 5.28.1-6+deb10u1 is installed

 libxml-parser-perl : Depends: perl (>= 5.28.1-4) but 5.26.1-6ubuntu0.5 is to be installed

 libglib-object-introspection-perl : Depends: perl (>= 5.28.1-4) but 5.26.1-6ubuntu0.5 is to be installed

 libsereal-decoder-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libhtml-parser-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libalgorithm-diff-xs-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

 libperl-dev : Depends: perl:any (= 5.28.1-6+deb10u1) which is a virtual package, provided by:

                        - perl (5.28.1-6+deb10u1), but 5.26.1-6ubuntu0.5 is to be installed

                        - perl:i386 (5.26.1-6ubuntu0.5), but it is not going to be installed

                        - perl (5.26.1-6ubuntu0.5), but 5.26.1-6ubuntu0.5 is to be installed

                        - perl:i386 (5.26.1-6), but it is not going to be installed

                        - perl (5.26.1-6), but 5.26.1-6ubuntu0.5 is to be installed



 libclass-load-xs-perl : Depends: perl (>= 5.28.0-3) but 5.26.1-6ubuntu0.5 is to be installed

The following actions will resolve these dependencies:



     Keep the following packages at their current version:

1)     perl [5.28.1-6+deb10u1 (now)]                      







Accept this solution? [Y/n/q/?] n

The following actions will resolve these dependencies:



       Remove the following packages:                                                              

1)       apache2 [2.4.38-3+deb10u4 (now)]                                                          

2)       apache2-bin [2.4.38-3+deb10u4 (now)]                                                      

3)       apt-file [3.2.2 (now)]                                                                    

4)       apt-rdepends [1.3.0-6 (bionic, now)]                                                      

5)       autoconf [2.69-11.1 (now)]                                                                

6)       automake [1:1.16.1-4 (now)]                                                               

7)       build-essential [12.4ubuntu1 (bionic, now)]                                               

8)       cloc [1.74-1 (bionic, now)]                                                               

9)       command-not-found [18.04.5-1 (now)]                                                       

10)      debhelper [12.1.1ubuntu1~ubuntu18.04.1 (bionic-backports, now)]                           

11)      dh-autoreconf [19 (now)]                                                                  

12)      dh-strip-nondeterminism [1.8.0-1 (now)]                                                   

13)      dkms [2.3-3ubuntu9.7+elementary11~ubuntu5.0.1 (bionic, now)]                              

14)      doc-base [0.10.9 (now)]                                                                   

15)      dpkg-dev [1.19.7 (now)]                                                                   

16)      git [1:2.20.1-2+deb10u3 (now)]                                                            

17)      gnome-user-share [3.28.0-2 (now)]                                                         

18)      intltool-debian [0.35.0+20060710.5 (now)]                                                 

19)      libalgorithm-c3-perl [0.10-1 (bionic, now)]                                               

20)      libalgorithm-diff-perl [1.19.03-2 (now)]                                                  

21)      libalgorithm-diff-xs-perl [0.04-5+b1 (now)]                                               

22)      libalgorithm-merge-perl [0.08-3 (bionic, now)]                                            

23)      libapache2-mod-dnssd [0.6-3.2 (bionic, now)]                                              

24)      libapache2-mod-php7.4 [7.4.15-1+ubuntu18.04.1+deb.sury.org+1 (bionic, now)]               

25)      libarchive-cpio-perl [0.10-1 (bionic, now)]                                               

26)      libarchive-zip-perl [1.64-1 (now)]                                                        

27)      libasync-mergepoint-perl [0.04-2 (bionic, now)]                                           

28)      libauthen-sasl-perl [2.1600-1 (bionic, now)]                                              

29)      libb-hooks-endofscope-perl [0.24-1 (now)]                                                 

30)      libb-hooks-op-check-perl [0.22-1+b1 (now)]                                                

31)      libcairo-gobject-perl [1.004-3+b1 (now)]                                                  

32)      libcairo-perl [1.106-3+b1 (now)]                                                          

33)      libcapture-tiny-perl [0.48-1 (bionic, now)]                                               

34)      libcgi-fast-perl [1:2.15-1 (now)]                                                         

35)      libcgi-pm-perl [4.47-1 (now)]                                                             

36)      libclass-accessor-perl [0.51-1 (bionic, now)]                                             

37)      libclass-c3-perl [0.34-1 (now)]                                                           

38)      libclass-c3-xs-perl [0.14-1+b3 (now)]                                                     

39)      libclass-load-perl [0.25-1 (now)]                                                         

40)      libclass-load-xs-perl [0.10-1+b3 (now)]                                                   

41)      libclass-method-modifiers-perl [2.13-1 (now)]                                             

42)      libclass-tiny-perl [1.006-1 (bionic, now)]                                                

43)      libclass-xsaccessor-perl [1.19-3+b2 (now)]                                                

44)      libclone-perl [0.41-1+b1 (now)]                                                           

45)      libconvert-binhex-perl [1.125-1 (bionic, now)]                                            

46)      libdata-dump-perl [1.23-1 (bionic, now)]                                                  

47)      libdata-optlist-perl [0.110-1 (bionic, now)]                                              

48)      libdbd-mysql-perl [4.050-2 (now)]                                                         

49)      libdbi-perl [1.642-1+deb10u1 (now)]                                                       

50)      libdbus-1-dev [1.12.2-1ubuntu1.2 (bionic-security, bionic-updates, now)]                  

51)      libdevel-callchecker-perl [0.008-1 (now)]                                                 

52)      libdevel-caller-perl [2.06-2+b1 (now)]                                                    

53)      libdevel-globaldestruction-perl [0.14-1 (bionic, now)]                                    

54)      libdevel-lexalias-perl [0.05-2+b1 (now)]                                                  

55)      libdevel-overloadinfo-perl [0.005-1 (now)]                                                

56)      libdevel-partialdump-perl [0.20-1 (bionic, now)]                                          

57)      libdevel-stacktrace-perl [2.0400-1 (now)]                                                 

58)      libdigest-bubblebabble-perl [0.02-2 (bionic, now)]                                        

59)      libdigest-hmac-perl [1.03+dfsg-2 (now)]                                                   

60)      libdist-checkconflicts-perl [0.11-1 (bionic, now)]                                        

61)      libdpkg-perl [1.19.7 (now)]                                                               

62)      libdynaloader-functions-perl [0.003-1 (bionic, now)]                                      

63)      libemail-abstract-perl [3.008-2 (now)]                                                    

64)      libemail-address-xs-perl [1.04-1+b1 (now)]                                                

65)      libemail-date-format-perl [1.005-1 (bionic, now)]                                         

66)      libemail-foldertype-perl [0.813-1.2 (bionic, now)]                                        

67)      libemail-localdelivery-perl [1.200-1 (bionic, now)]                                       

68)      libemail-messageid-perl [1.406-1 (bionic, now)]                                           

69)      libemail-mime-contenttype-perl [1.022-1 (bionic, now)]                                    

70)      libemail-mime-encodings-perl [1.315-2 (bionic, now)]                                      

[...]                        

270)     aptitude recommends libparse-debianchangelog-perl                                         

271)     libnet-dns-perl recommends libdigest-bubblebabble-perl                                    

272)     libnet-dns-perl recommends libnet-libidn-perl                                             

273)     libio-socket-ssl-perl recommends libnet-libidn-perl | libnet-idn-encode-perl | liburi-perl

274)     libhtml-tree-perl recommends libhtml-format-perl                                          

275)     dpkg-dev recommends libalgorithm-merge-perl                                               

276)     libimage-exiftool-perl recommends libposix-strptime-perl                                  

[...]

296)     libwww-perl recommends libhtml-form-perl                                                  

297)     libwww-perl recommends libhtml-format-perl                                                

298)     libwww-perl recommends libhttp-daemon-perl                                                

299)     libwww-perl recommends libmailtools-perl                                                  

300)     libfile-stripnondeterminism-perl recommends libarchive-cpio-perl                          

301)     libxml-sax-perl recommends libxml-sax-expat-perl                                          

302)     libpackage-stash-perl recommends libpackage-stash-xs-perl                                 







Accept this solution? [Y/n/q/?] q

Abandoning all efforts to resolve these dependencies.

Abort.

As you can see the solution proposed is unacceptable. I have pressed 'n' many times but no solution provided results in a downgrade of perl and all its dependents without any major removal or unmet dependency.

I have listed all the packages in 'deb' version and asked aptitude to install their 'ubuntu' counterpart, but it's the same, aptitude either gives up or gives unwanted solutions (remove too many packages or do nothing).

How can I safely fix my mistake?

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answered 2 Years ago beateyra · Accepted Answer

@nobody's answer helped fix some packages, but no all.

I noticed that all debian packages were installed with /var/lib/dpkg/status and a priority of 100, while ubuntu packages were installed from an online source with a priority of 500.

So I listed all packages that were using the 100 version instead of the 500, and forced installed all of them (almost 1 by 1, from a total of about 1200) to the ubuntu version, sometimes removing packages that were debian only.

This took me almost a day, but eventually all packages were back to the ubuntu version and everything is now working again.

If somebody would be interested, here's what I did to identified the broken packages:

#!/bin/bash

dpkg -l 

         | awk '/^ii/{print $2}' 

         | while read p

do

        pol=$(apt-cache policy $p)

        ko=$(echo "$pol" | grep -P '*{3} .* 100$')

        if [ "$ko" != "" ]; then

                echo $p=$(echo "$pol" | awk '/500$/{print $1;exit}')

        fi

done

I saved the output of this script into a file, and then randomly picked 10 or 20 from this file and used aptitude install (like aptitude install $(shuf -n 10 /tmp/pkg | tr n )) and used the awesome ability of aptitude to propose various solutions when there are conflicts. I always chose the options that only downgraded or proposed downgrade+removal of debian-only packages.

I finished by cleaning my sources and preferences, then ran apt update, apt upgrade and apt full-upgrade and everything was fixed.

That'll teach me! Thanks for the help.