After Upgrade to v16.04 - Install Software Disappeared?

[QDR06VV9]

Synaptic works fine here..
Check again after rebooting.

[Rick St. George]

Error in Synaptic Pkg. Mgr.:
E: The value 'trusty' is invalid for APT:efault-Release as such a release is not available in the sources
E: _cache->open() failed, please report.

The E drive should not be registered?!?!?

[QDR06VV9]

He he he Nothing is easy here is it..
Lets get rough with then.

 sudo sed -i 's/trusty/xenial/g' /etc/apt/sources.list

Now update and dist-upgrade

sudo apt-get update && sudo apt-get dist-upgrade

Tell me how this goes.

[Rick St. George]

This is how it goes ...

stephen@stephen-evo-5723:~$ sudo sed -i 's/trusty/xenial/g' /etc/apt/sources.list
stephen@stephen-evo-5723:~$ sudo apt-get update && sudo apt-get dist-upgrade
Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Hit:2 http://archive.ubuntu.com/ubuntu xenial InRelease
Hit:3 http://ppa.launchpad.net/jfi/ppa/ubuntu xenial InRelease           
Get:4 http://archive.ubuntu.com/ubuntu xenial-security InRelease [94.5 kB]
Hit:5 http://ppa.launchpad.net/pipelight/stable/ubuntu xenial InRelease        
Hit:6 http://ppa.launchpad.net/sunab/kdenlive-release/ubuntu xenial InRelease  
Hit:7 http://ppa.launchpad.net/ubuntu-sdk-team/ppa/ubuntu xenial InRelease     
Get:8 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [95.7 kB]
Hit:9 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease        
Hit:10 https://deb.opera.com/opera-stable stable InRelease                     
Get:11 http://archive.ubuntu.com/ubuntu xenial-proposed InRelease [247 kB]
Fetched 437 kB in 1s (219 kB/s)                               
Reading package lists... Done
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  gstreamer0.10-plugins-bad-multiverse libfaac0
Use 'sudo apt autoremove' to remove them.
The following packages have been kept back:
  libmlt++3 melt
The following packages will be upgraded:
  gir1.2-unity-5.0 libnm-gtk-common libnm-gtk0 libnma-common libnma0
  libunity-protocol-private0 libunity-scopes-json-def-desktop libunity9
  network-manager-gnome openssh-client
10 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
Need to get 1,324 kB of archives.
After this operation, 1,024 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 openssh-client amd64 1:7.2p2-4ubuntu1 [586 kB]
Get:2 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libunity9 amd64 7.1.4+16.04.20160701-0ubuntu1 [199 kB]
Get:3 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libunity-protocol-private0 amd64 7.1.4+16.04.20160701-0ubuntu1 [78.1 kB]
Get:4 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libunity-scopes-json-def-desktop all 7.1.4+16.04.20160701-0ubuntu1 [3,544 B]
Get:5 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 gir1.2-unity-5.0 amd64 7.1.4+16.04.20160701-0ubuntu1 [20.2 kB]
Get:6 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libnm-gtk0 amd64 1.2.0-0ubuntu0.16.04.3 [70.0 kB]
Get:7 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libnm-gtk-common all 1.2.0-0ubuntu0.16.04.3 [5,344 B]
Get:8 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 network-manager-gnome amd64 1.2.0-0ubuntu0.16.04.3 [290 kB]
Get:9 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libnma0 amd64 1.2.0-0ubuntu0.16.04.3 [66.0 kB]
Get:10 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libnma-common all 1.2.0-0ubuntu0.16.04.3 [5,328 B]
Fetched 1,324 kB in 2s (569 kB/s)         
(Reading database ... 291229 files and directories currently installed.)
Preparing to unpack .../openssh-client_1%3a7.2p2-4ubuntu1_amd64.deb ...
Unpacking openssh-client (1:7.2p2-4ubuntu1) over (1:7.2p2-4) ...
Preparing to unpack .../libunity9_7.1.4+16.04.20160701-0ubuntu1_amd64.deb ...
Unpacking libunity9:amd64 (7.1.4+16.04.20160701-0ubuntu1) over (7.1.4+15.10.20151002-0ubuntu2) ...
Preparing to unpack .../libunity-protocol-private0_7.1.4+16.04.20160701-0ubuntu1_amd64.deb ...
Unpacking libunity-protocol-private0:amd64 (7.1.4+16.04.20160701-0ubuntu1) over (7.1.4+15.10.20151002-0ubuntu2) ...
Preparing to unpack .../libunity-scopes-json-def-desktop_7.1.4+16.04.20160701-0ubuntu1_all.deb ...
Unpacking libunity-scopes-json-def-desktop (7.1.4+16.04.20160701-0ubuntu1) over (7.1.4+15.10.20151002-0ubuntu2) ...
Preparing to unpack .../gir1.2-unity-5.0_7.1.4+16.04.20160701-0ubuntu1_amd64.deb ...
Unpacking gir1.2-unity-5.0:amd64 (7.1.4+16.04.20160701-0ubuntu1) over (7.1.4+15.10.20151002-0ubuntu2) ...
Preparing to unpack .../libnm-gtk0_1.2.0-0ubuntu0.16.04.3_amd64.deb ...
Unpacking libnm-gtk0:amd64 (1.2.0-0ubuntu0.16.04.3) over (1.1.93-1ubuntu1) ...
Preparing to unpack .../libnm-gtk-common_1.2.0-0ubuntu0.16.04.3_all.deb ...
Unpacking libnm-gtk-common (1.2.0-0ubuntu0.16.04.3) over (1.1.93-1ubuntu1) ...
Preparing to unpack .../network-manager-gnome_1.2.0-0ubuntu0.16.04.3_amd64.deb ...
Unpacking network-manager-gnome (1.2.0-0ubuntu0.16.04.3) over (1.1.93-1ubuntu1) ...
Preparing to unpack .../libnma0_1.2.0-0ubuntu0.16.04.3_amd64.deb ...
Unpacking libnma0:amd64 (1.2.0-0ubuntu0.16.04.3) over (1.1.93-1ubuntu1) ...
Preparing to unpack .../libnma-common_1.2.0-0ubuntu0.16.04.3_all.deb ...
Unpacking libnma-common (1.2.0-0ubuntu0.16.04.3) over (1.1.93-1ubuntu1) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for libc-bin (2.23-0ubuntu3) ...
Processing triggers for libglib2.0-0:amd64 (2.48.1-1~ubuntu16.04.1) ...
No such key 'show-notify-osd-on-scroll' in schema 'com.canonical.indicator.sound' as specified in override file '/usr/share/glib-2.0/schemas/20_ubuntustudio-default-settings.gschema.override'; ignoring override for this key.
No such key 'auto-launch' in schema 'com.ubuntu.update-notifier' as specified in override file '/usr/share/glib-2.0/schemas/20_ubuntustudio-default-settings.gschema.override'; ignoring override for this key.
Processing triggers for gconf2 (3.2.6-3ubuntu6) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu5) ...
Processing triggers for mime-support (3.59ubuntu1) ...
Setting up openssh-client (1:7.2p2-4ubuntu1) ...
Setting up libunity-protocol-private0:amd64 (7.1.4+16.04.20160701-0ubuntu1) ...
Setting up libunity-scopes-json-def-desktop (7.1.4+16.04.20160701-0ubuntu1) ...
Setting up libunity9:amd64 (7.1.4+16.04.20160701-0ubuntu1) ...
Setting up gir1.2-unity-5.0:amd64 (7.1.4+16.04.20160701-0ubuntu1) ...
Setting up libnm-gtk-common (1.2.0-0ubuntu0.16.04.3) ...
Setting up libnm-gtk0:amd64 (1.2.0-0ubuntu0.16.04.3) ...
Setting up libnma-common (1.2.0-0ubuntu0.16.04.3) ...
Setting up libnma0:amd64 (1.2.0-0ubuntu0.16.04.3) ...
Setting up network-manager-gnome (1.2.0-0ubuntu0.16.04.3) ...
Processing triggers for libc-bin (2.23-0ubuntu3) ...

Almost all went OK - Notice the "No Such Key" items above. Should this be a concern, as it has to do with sound?

[QDR06VV9]

Huumm? Might have to do with VB.

sudo adduser $USER vboxusers

But yes that looks better, and what about synaptic..is it now in a good state?

[Rick St. George]

I am already a member of 'vboxusers'. Rec'd this again with Synaptic Pkg. Mgr.

E: The value 'trusty' is invalid for APT::Default-Release as such a release is not available in the sources
E: _cache->open() failed, please report.

Performed the following;

  	 	 	 	   sudo apt-get autoclean
sudo apt-get clean
sudo apt-get autoremove
sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade

Almost like it did the Upgrade All over again! .. 100's of MB download & installed.
It Ended with this ....

Registering documents with scrollkeeper...
Processing triggers for dbus (1.10.6-1ubuntu3) ...
Processing triggers for python-support (1.0.15) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libxfce4panel-2.0-4_4.12.0-3ubuntu2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

But a window popped up and Reported a BUG.

[QDR06VV9]

I'm sure this will not be of any use... but we try

sudo apt-get -f install

I'm wondering if a clean install would not improve things...just to many missing packages at this point.
I mean we can pursue this if you want to...it will be a long frustrating path but I will assist you if you want this.
There were a lot of others Upgrading from Ubuntu Studio (14.04) to Ubuntu Studio (16.04) that still have no solutions to the error you have just shown "/var/cache/apt/archives/libxfce4panel-2.0-4_4.12.0-3ubuntu2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)"
EDIT: This might be because we installed synaptic when the trusty repos were still showing..So maybe we can get lucky and remove synaptic and re-install it.

sudo apt-get remove synaptic*

[Rick St. George]

That removed Synaptic Pkg Mgr. I'll wait for the Bugs to be fixed before downloading and installing it.
Thanks 'runrickus' for all the help. I am afraid of losing too many files and my Virtual Machine will Trading Software etc. if I do a clean install. Right now battling with why my fairly new machine can't see the 2nd Hard Drive (#1 is a SSD). It has all my files on it.

Catch ya later!
Peace.

[Rick St. George]

I believe this is related to another post I made here https://ubuntuforums.org/showthread.php?t=2337677

So I will mark this Thread as Solved.

Thanks all ! ! !