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PostPosted: Sun Oct 30, 2016 5:35 am 
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I have tried following the suggestion of the output, and to no avail I cannot upgrade several of the packages listed with:
Code:
sudo apt list --upgradable
even with the -f option for apt-get install.
I made use of the Software System Fixer without success; upon attempting an upgrade, the two uberstudent packages still have unmet dependencies and conflicts which I cannot seem to resolve on my own.


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PostPosted: Sun Oct 30, 2016 8:50 am 
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I'll look into this and post again shortly.

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PostPosted: Sun Oct 30, 2016 6:00 pm 
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This make no sense if you are using the uberstudent.net repository with UberStudent 4.*. Those packages that are conflicting are part of a normal Ubuntu installation but are not part of the 4.* installation and are made to conflict for very good reason. They conflict with much more than just the base packages of uberstudentupdate and uberstudentsources:
Code:
uberstudent@uberstudent-MS-7599:~/Desktop$ sudo apt-get install python3-distupgrade
[sudo] password for uberstudent:
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  python3-update-manager
The following packages will be REMOVED:
  firefox-meta-uberstudent-en lyx-meta-uberstudent-en-us set-fastest-mirror
  thunar-custom-actions-root uberstudent-compositing-xfce
  uberstudent-desktop-xfce uberstudent-xfce-default-settings-enduser
  uberstudent-xfce-default-settings-helper uberstudentsources
  uberstudentupdate uberstudentupdate-rules uberstudentwelcome zotero-firefox
The following NEW packages will be installed:
  python3-distupgrade python3-update-manager
WARNING: The following essential packages will be removed.
This should NOT be done unless you know exactly what you are doing!
  uberstudentsources set-fastest-mirror (due to uberstudentsources)
0 upgraded, 2 newly installed, 13 to remove and 23 not upgraded.
Need to get 136 kB of archives.
After this operation, 51.4 MB disk space will be freed.
You are about to do something potentially harmful.
To continue type in the phrase 'Yes, do as I say!'
 ?]
The solution is simple. They must be removed.
Code:
sudo apt-get purge python3-distupgrade python3-update-manager ubuntu-release-upgrader ubuntu-manager-core

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PostPosted: Sun Oct 30, 2016 8:21 pm 
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Interestingly, after purging the conflicting packages I receive the same error. I checked the dependencies for uberstudentsources, and update-manager-core is listed as a forward dependency. With the conflicting packages purged, shouldn't the conflict be resolved when attempting an upgrade?
Thanks for your help Stephen, please let me know what information you may need from me to help resolve the conflicts and unmet dependencies.


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PostPosted: Sun Oct 30, 2016 10:15 pm 
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ubuntu-manager-core is not a dependency but is declared under Replaces in the control file.

Let's try this. Open a terminal and run the following lines, one at a time:
Code:
mkdir "$HOME/Desktop/debs"
cd "$HOME/Desktop/debs"
wget http://uberstudent.net/pool/main/u/uberstudentupdate-rules/uberstudentupdate-rules_4.9.3.3_all.deb
wget http://uberstudent.net/pool/main/u/uberstudentupdate/uberstudentupdate_4.9.3.3_all.deb
wget http://uberstudent.net/pool/main/u/uberstudentsources/uberstudentsources_1.5.0.8_all.deb
wget http://uberstudent.net/pool/main/u/uberstudentsources-helper/uberstudentsources-helper_1.5.0.3_all.deb
sudo dpkg --force-all -i *.deb
rm -r "$HOME/Desktop/debs"
sudo apt-get update
Afterward, if there are no errors, attempt to update from the Update Manager

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PostPosted: Sun Oct 30, 2016 11:38 pm 
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No errors were received following the suggested commands; when updating with the update manager, no available updates are found, nor are any errors encountered. To see if the original error persisted, I tried and sudo apt upgrade and the original unmet dependency & conflict still exists. I have used the purge command again, as recommended to determine if the packages have been reinstalled, and none of the previously purged packages are installed on the system.
Is it possible to determine which package is requesting the conflicting softwares when performing a package upgrade?
Running the following command gives me the attached list of available package upgrades.
Code:
clear && apt list --upgradable


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Upgradable.png
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PostPosted: Mon Oct 31, 2016 5:09 pm 
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Ah. I somehow missed that you're using apt-get upgrade and not just installing packages.

First, no matter what you might have learned before, apt-get upgrade is a HORRIBLE way to upgrade any Debian-based system. Expect destabilization.

Second, the Update Manager is correct. Your system is upgraded. Use the Update Manager. It's there for a reason. Expect stabilization.

I have no idea why apt list --upgradable does what you showed. Look carefully at the version numbers. None of those are new versions. Nothing is actually upgradable.

_________________
UberStudent Must Become Self-Sustaining. If UberStudent and my dedicated support of it has benefited you, it's important to make a donation. Thanks!

The UberStudent Headquarters:
    * Mobo: MSI 870-G45
    * Processor: AMD Phenom II X4 3.4GHz
    * RAM: G.SKILL 8GB DDR3 1600
    * Graphics: MSI NVIDIA GeForce GTX 750 Ti
    * Drive: OCZ Vertex SSD
    * Case: Rosewill ATX Mid Tower
    * Monitors: 2 x Dell UltraSharp
    * With UberStudent 4.3 Development Build
You should build your own computers, too!


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PostPosted: Mon Oct 31, 2016 10:39 pm 
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Ah, thank you. I can guess why apt upgrades would destabilise my system. I haven't experienced any system hangs or other issues, so I will cease using apt to upgrade my system manually; I'll stick with the Uberstudent Update Manager. I guess I wanted to feel like more of a power user than I really am! :ugeek: In the future I'll use the included software repositories to discover new software, unless it is unavailable; if unavailable, should I ask on the forums if there have been any stability tests done before I try installing software with apt or .deb packages?


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PostPosted: Tue Nov 01, 2016 8:15 am 
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See http://uberstudent.com/wiki/index.php?t ... berStudent for what we think is really smart advise on your question.

_________________
UberStudent Must Become Self-Sustaining. If UberStudent and my dedicated support of it has benefited you, it's important to make a donation. Thanks!

The UberStudent Headquarters:
    * Mobo: MSI 870-G45
    * Processor: AMD Phenom II X4 3.4GHz
    * RAM: G.SKILL 8GB DDR3 1600
    * Graphics: MSI NVIDIA GeForce GTX 750 Ti
    * Drive: OCZ Vertex SSD
    * Case: Rosewill ATX Mid Tower
    * Monitors: 2 x Dell UltraSharp
    * With UberStudent 4.3 Development Build
You should build your own computers, too!


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