Eu entendo que isso é muito parecido com esta pergunta e este , mas nenhuma das respostas lá funcionou para mim.
Ao tentar instalar os pacotes mencionados nessas questões, o apt-get lança a seguinte mensagem de erro:
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
unity-webapps-service : Depends: webapp-container
E: Unable to correct problems, you have held broken packages.
Quando tento instalar as dependências mencionadas, acabo de encontrar mais e mais dependências. O Synaptic Package Manager fornece mensagens de erro quando eu seleciono 'Fix Broken Packages'. Como posso consertar isso?
Agradecemos antecipadamente e, por favor, comente se precisar de mais informações.
UPDATE :
A execução de apt-cache policy webapp-container unity-webapps-service deu o seguinte resultado:
webapp-container:
Installed: (none)
Candidate: 0.23+14.04.20140428-0ubuntu1
Version table:
0.23+14.04.20140428-0ubuntu1 0
500 http://gb.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
0.23+14.04.20140414-0ubuntu1 0
500 http://gb.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
unity-webapps-service:
Installed: (none)
Candidate: 2.5.0~+14.04.20140409-0ubuntu1
Version table:
2.5.0~+14.04.20140409-0ubuntu1 0
500 http://gb.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
UPDATE 2 :
Informação da versão:
LSB Version: core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 14.04.2 LTS
Release: 14.04
Codename: trusty
UPDATE 3 :
Ao tentar instalar o unity-webapps-service usando o aptitude em vez do apt-get:
The following NEW packages will be installed:
liboxideqt-qmlplugin{a} liboxideqtcore0{a} liboxideqtquick0{ab}
libqt5feedback5{a} libqt5multimedia5{ab} libqt5organizer5{ab}
libqt5positioning5{ab} libunity-webapps0{a}
qtdeclarative5-dialogs-plugin{ab}
qtdeclarative5-privatewidgets-plugin{ab}
qtdeclarative5-qtfeedback-plugin{a}
qtdeclarative5-ubuntu-ui-extras-browser-plugin{a}
qtdeclarative5-ubuntu-ui-toolkit-plugin{ab} unity-webapps-qml{a}
unity-webapps-service webapp-container{ab} webbrowser-app{ab}
0 packages upgraded, 17 newly installed, 0 to remove and 0 not upgraded.
Need to get 26.6 MB of archives. After unpacking 103 MB will be used.
The following packages have unmet dependencies:
webapp-container : Depends: qtdeclarative-abi-5-2-1 which is a virtual package.
libqt5organizer5 : Depends: qtbase-abi-5-2-1 which is a virtual package.
qtdeclarative5-dialogs-plugin : Depends: qtbase-abi-5-2-1 which is a virtual package.
Depends: qtdeclarative-abi-5-2-1 which is a virtual package.
webbrowser-app : Depends: qtdeclarative-abi-5-2-1 which is a virtual package.
qtdeclarative5-privatewidgets-plugin : Depends: qtbase-abi-5-2-1 which is a virtual package.
libqt5multimedia5 : Depends: qtbase-abi-5-2-1 which is a virtual package.
libqt5positioning5 : Depends: qtbase-abi-5-2-1 which is a virtual package.
liboxideqtquick0 : Depends: qtdeclarative-abi-5-2-1 which is a virtual package.
qtdeclarative5-ubuntu-ui-toolkit-plugin : Depends: qtbase-abi-5-2-1 which is a virtual package.
Depends: qtdeclarative-abi-5-2-1 which is a virtual package.
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) liboxideqt-qmlplugin [Not Installed]
2) liboxideqtcore0 [Not Installed]
3) liboxideqtquick0 [Not Installed]
4) libqt5feedback5 [Not Installed]
5) libqt5multimedia5 [Not Installed]
6) libqt5organizer5 [Not Installed]
7) libqt5positioning5 [Not Installed]
8) libunity-webapps0 [Not Installed]
9) qtdeclarative5-dialogs-plugin [Not Installed]
10) qtdeclarative5-privatewidgets-plugin [Not Installed]
11) qtdeclarative5-qtfeedback-plugin [Not Installed]
12) qtdeclarative5-ubuntu-ui-extras-browser-plugin [Not Installed]
13) qtdeclarative5-ubuntu-ui-toolkit-plugin [Not Installed]
14) unity-webapps-qml [Not Installed]
15) unity-webapps-service [Not Installed]
16) webapp-container [Not Installed]
17) webbrowser-app [Not Installed]
Accept this solution? [Y/n/q/?]
UPDATE 4 :
A saída de sudo apt-get install qtdeclarative-abi-5-2-1 :
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package qtdeclarative-abi-5-2-1 is a virtual package provided by:
libqt5qml5 5.2.1-3ubuntu15.1 [Not candidate version]
libqt5qml5 5.2.1-3ubuntu15 [Not candidate version]
E: Package 'qtdeclarative-abi-5-2-1' has no installation candidate
A saída de sudo apt-get install unity-webapp-container :
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package unity-webapp-container
ATUALIZAÇÃO 5 :
Saída de apt-cache policy libqt5qml5 :
libqt5qml5:
Installed: 5.3.0-3ubuntu13~trusty1
Candidate: 5.3.0-3ubuntu13~trusty1
Version table:
*** 5.3.0-3ubuntu13~trusty1 0
500 http://ppa.launchpad.net/mscore-ubuntu/mscore-stable/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
5.2.1-3ubuntu15.1 0
500 http://gb.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
5.2.1-3ubuntu15 0
500 http://gb.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
Saída de sudo apt-get install webapp-container :
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
webapp-container : Depends: qtdeclarative-abi-5-2-1
Depends: unity-webapps-qml but it is not going to be installed
Depends: webbrowser-app (= 0.23+14.04.20140428-0ubuntu1)
E: Unable to correct problems, you have held broken packages.