not able to upgrade from ubuntu 14 lts to 20 lts
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get upgrade
[sudo] password for ashu:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages will be upgraded:
libde265 libde265-0
2 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/256 kB of archives.
After this operation, 5,120 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
(Reading database ... 250865 files and directories currently installed.)
Preparing to unpack .../libde265-0_1.0.8-1~ppa1~ubuntu14.04.1_amd64.deb ...
Unpacking libde265-0:amd64 (1.0.8-1~ppa1~ubuntu14.04.1) over (1.0.4-1~ppa1~ubuntu14.04.1) ...
Preparing to unpack .../libde265_1.0.8-1~ppa1~ubuntu14.04.1_all.deb ...
Unpacking libde265 (1.0.8-1~ppa1~ubuntu14.04.1) over (1.0.4-1~ppa1~ubuntu14.04.1) ...
Setting up libde265-0:amd64 (1.0.8-1~ppa1~ubuntu14.04.1) ...
Setting up libde265 (1.0.8-1~ppa1~ubuntu14.04.1) ...
Processing triggers for libc-bin (2.19-0ubuntu6.15) ...
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get update
Get:1 https://brave-browser-apt-release.s3.brave.com stable InRelease
Hit http://ppa.launchpad.net trusty InRelease
Hit http://security.ubuntu.com trusty-security InRelease
Ign https://brave-browser-apt-release.s3.brave.com stable InRelease
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Get:2 http://ppa.launchpad.net trusty/main Sources [2,934 B]
Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages
Get:3 https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex
Ign https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex
Hit http://security.ubuntu.com trusty-security/main i386 Packages
Hit http://security.ubuntu.com trusty-security/restricted i386 Packages
Hit http://ppa.launchpad.net trusty/main i386 Packages
Hit http://security.ubuntu.com trusty-security/universe i386 Packages
Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages
Hit http://ppa.launchpad.net trusty/main Translation-en
Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Hit http://security.ubuntu.com trusty-security/main Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en
Hit http://security.ubuntu.com trusty-security/restricted Translation-en
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages
Get:6 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:7 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:8 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:9 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:10 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:11 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:12 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:13 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Fetched 7,251 B in 11s (639 B/s)
Reading package lists... Done
W: GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 6494C6D6997C215E
Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.9wpShM3Aog --no-auto-check-trustdb --trust-model always --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyring /etc/apt/trusted.gpg.d/git-core-ppa.gpg --keyring /etc/apt/trusted.gpg.d/google-chrome.gpg --keyring /etc/apt/trusted.gpg.d/microsoft.gpg --keyring /etc/apt/trusted.gpg.d/strukturag-libde265.gpg --keyring /etc/apt/trusted.gpg.d/ubuntu-advantage-esm-infra-trusty.gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 6494C6D6997C215E
gpg: requesting key 997C215E from hkp server keyserver.ubuntu.com
gpg: key D38B4796: "Google Inc. (Linux Packages Signing Authority) <email address hidden>" 17 new signatures
gpg: key D38B4796: "Google Inc. (Linux Packages Signing Authority) <email address hidden>" 1 new subkey
gpg: Total number processed: 1
gpg: new subkeys: 1
gpg: new signatures: 17
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get update
Get:1 https://brave-browser-apt-release.s3.brave.com stable InRelease
Ign https://brave-browser-apt-release.s3.brave.com stable InRelease
Hit http://security.ubuntu.com trusty-security InRelease
Hit http://ppa.launchpad.net trusty InRelease
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages
Hit http://ppa.launchpad.net trusty/main Sources
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages
Get:2 https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex
Ign https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/main i386 Packages
Hit http://security.ubuntu.com trusty-security/restricted i386 Packages
Hit http://ppa.launchpad.net trusty/main i386 Packages
Hit http://security.ubuntu.com trusty-security/universe i386 Packages
Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages
Hit http://ppa.launchpad.net trusty/main Translation-en
Get:3 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Hit http://security.ubuntu.com trusty-security/main Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en
Hit http://security.ubuntu.com trusty-security/restricted Translation-en
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages
Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:6 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:7 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:8 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:9 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:10 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:11 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:12 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Fetched 4,317 B in 9s (467 B/s)
Reading package lists... Done
W: GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo add-apt-repository ppa:webupd8team/y-ppa-manager
Y PPA Manager
Info: http://www.webupd8.org/2010/11/y-ppa-manager-easily-search-add-remove.html
This PPA is for Y PPA Manager and also includes the latest YAD for the supported Ubuntu versions (YAD is a dependency for Y PPA Manager): http://sourceforge.net/p/yad-dialog/
More info: https://launchpad.net/~webupd8team/+archive/ubuntu/y-ppa-manager
Press [ENTER] to continue or ctrl-c to cancel adding it
gpg: keyring `/tmp/tmpvjjxg3u9/secring.gpg' created
gpg: keyring `/tmp/tmpvjjxg3u9/pubring.gpg' created
gpg: requesting key EEA14886 from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpvjjxg3u9/trustdb.gpg: trustdb created
gpg: key EEA14886: public key "Launchpad VLC" imported
gpg: no ultimately trusted keys found
gpg: Total number processed: 1
gpg: imported: 1 (RSA: 1)
OK
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get update
Get:1 https://brave-browser-apt-release.s3.brave.com stable InRelease
Ign https://brave-browser-apt-release.s3.brave.com stable InRelease
Hit http://security.ubuntu.com trusty-security InRelease
Hit http://ppa.launchpad.net trusty InRelease
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages
Get:2 http://ppa.launchpad.net trusty InRelease [15.5 kB]
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages
Hit http://security.ubuntu.com trusty-security/main i386 Packages
Hit http://ppa.launchpad.net trusty/main Sources
Get:3 https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex
Ign https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages/DiffIndex
Hit http://security.ubuntu.com trusty-security/restricted i386 Packages
Hit http://security.ubuntu.com trusty-security/universe i386 Packages
Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/main Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en
Hit http://ppa.launchpad.net trusty/main i386 Packages
Hit http://security.ubuntu.com trusty-security/restricted Translation-en
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Hit http://ppa.launchpad.net trusty/main Translation-en
Get:5 http://ppa.launchpad.net trusty/main amd64 Packages [1,098 B]
Get:6 http://ppa.launchpad.net trusty/main i386 Packages [1,089 B]
Get:7 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages
Get:8 http://ppa.launchpad.net trusty/main Translation-en [881 B]
Get:9 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:10 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:11 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:12 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:13 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:14 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:15 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:16 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Fetched 22.8 kB in 9s (2,291 B/s)
Reading package lists... Done
W: GPG error: https://brave-browser-apt-release.s3.brave.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8580BDC82D3DC6C
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A8580BDC82D3DC6C
Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.KE0tHdBChT --no-auto-check-trustdb --trust-model always --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyring /etc/apt/trusted.gpg.d/git-core-ppa.gpg --keyring /etc/apt/trusted.gpg.d/google-chrome.gpg --keyring /etc/apt/trusted.gpg.d/microsoft.gpg --keyring /etc/apt/trusted.gpg.d/strukturag-libde265.gpg --keyring /etc/apt/trusted.gpg.d/ubuntu-advantage-esm-infra-trusty.gpg --keyring /etc/apt/trusted.gpg.d/webupd8team-y-ppa-manager.gpg --keyserver keyserver.ubuntu.com --recv-keys A8580BDC82D3DC6C
gpg: requesting key 82D3DC6C from hkp server keyserver.ubuntu.com
gpg: key C2D4E821: public key "Brave Software <email address hidden>" imported
gpg: Total number processed: 1
gpg: imported: 1 (RSA: 1)
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get update
Hit http://security.ubuntu.com trusty-security InRelease
Get:1 https://brave-browser-apt-release.s3.brave.com stable InRelease
Get:2 https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Hit http://ppa.launchpad.net trusty InRelease
Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Hit http://ppa.launchpad.net trusty InRelease
Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages
Hit http://security.ubuntu.com trusty-security/main i386 Packages
Hit http://security.ubuntu.com trusty-security/restricted i386 Packages
Hit http://ppa.launchpad.net trusty/main Sources
Get:3 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Hit http://security.ubuntu.com trusty-security/universe i386 Packages
Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/main Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en
Hit http://security.ubuntu.com trusty-security/restricted Translation-en
Hit http://ppa.launchpad.net trusty/main i386 Packages
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Hit http://ppa.launchpad.net trusty/main Translation-en
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://ppa.launchpad.net trusty/main i386 Packages
Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Hit http://ppa.launchpad.net trusty/main Translation-en
Get:6 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:7 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:8 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:9 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:10 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:11 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en_IN
Get:12 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Fetched 9,502 B in 9s (983 B/s)
Reading package lists... Done
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo apt-get 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.
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo do-release-upgrade -d -f DistUpgradeViewGtk3
Checking for a new Ubuntu release
No new release found
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo do-release-upgrade -d -f DistUpgradeViewGtk3
Checking for a new Ubuntu release
No new release found
ashu@ashu-HP-Pavilion-G42-Notebook-PC:~$ sudo do-release-upgrade
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [819 B]
Get:2 Upgrade tool [1,254 kB]
Fetched 1,255 kB in 0s (0 B/s)
authenticate 'xenial.tar.gz' against 'xenial.tar.gz.gpg'
extracting 'xenial.tar.gz'
Reading cache
Checking package manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
Hit https://brave-browser-apt-release.s3.brave.com stable InRelease
Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages
Hit http://ppa.launchpad.net trusty InRelease
Hit http://security.ubuntu.com trusty-security InRelease
Hit http://ppa.launchpad.net trusty InRelease
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages
Hit http://ppa.launchpad.net trusty/main Sources
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Get:1 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/main i386 Packages
Hit http://ppa.launchpad.net trusty/main i386 Packages
Hit http://security.ubuntu.com trusty-security/restricted i386 Packages
Hit http://security.ubuntu.com trusty-security/universe i386 Packages
Hit http://ppa.launchpad.net trusty/main Translation-en
Get:2 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages
Hit http://ppa.launchpad.net trusty/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/main Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en
Hit http://ppa.launchpad.net trusty/main i386 Packages
Hit http://security.ubuntu.com trusty-security/restricted Translation-en
Get:3 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Hit http://ppa.launchpad.net trusty/main Translation-en
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Fetched 0 B in 0s (0 B/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
Updating repository information
Third party sources disabled
Some third party entries in your sources.list were disabled. You can
re-enable them after the upgrade with the 'software-properties' tool
or your package manager.
To continue please press [ENTER]
Hit https://brave-browser-apt-release.s3.brave.com stable InRelease
Hit https://brave-browser-apt-release.s3.brave.com stable/main amd64 Packages
Get:1 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:2 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:3 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:4 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Err https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:5 https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Ign https://brave-browser-apt-release.s3.brave.com stable/main Translation-en
Get:6 http://archive.ubuntu.com xenial InRelease [247 kB]
Get:7 http://security.ubuntu.com xenial-security InRelease [99.8 kB]
Get:8 http://archive.ubuntu.com xenial/main Sources [868 kB]
Get:9 http://security.ubuntu.com xenial-security/main amd64 Packages [1,648 kB]
Get:10 http://archive.ubuntu.com xenial/main amd64 Packages [1,201 kB]
Get:11 http://archive.ubuntu.com xenial/main i386 Packages [1,196 kB]
Get:12 http://security.ubuntu.com xenial-security/restricted amd64 Packages [9,824 B]
Get:13 http://security.ubuntu.com xenial-security/universe amd64 Packages [785 kB]
Get:14 http://security.ubuntu.com xenial-security/multiverse amd64 Packages [7,864 B]
Get:15 http://archive.ubuntu.com xenial/main Translation-en [568 kB]
Get:16 http://security.ubuntu.com xenial-security/main i386 Packages [1,159 kB]
Get:17 http://security.ubuntu.com xenial-security/restricted i386 Packages [9,800 B]
Get:18 http://security.ubuntu.com xenial-security/universe i386 Packages [665 kB]
Get:19 http://security.ubuntu.com xenial-security/multiverse i386 Packages [8,084 B]
Get:20 http://security.ubuntu.com xenial-security/main Translation-en [360 kB]
Get:21 http://security.ubuntu.com xenial-security/multiverse Translation-en [2,672 B]
Get:22 http://security.ubuntu.com xenial-security/restricted Translation-en [2,152 B]
Get:23 http://security.ubuntu.com xenial-security/universe Translation-en [225 kB]
Fetched 9,062 kB in 6s (824 kB/s)
Checking package manager
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
Calculating the changes
Calculating the changes
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
This can be caused by:
* Upgrading to a pre-release version of Ubuntu
* Running the current pre-release version of Ubuntu
* Unofficial software packages not provided by Ubuntu
If none of this applies, then please report this bug using the
command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.
Restoring original system state
Aborting
Reading package lists... Done
Building dependency tree
Reading state information... Done
Building data structures... Done
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.11 [origin: unknown]
ProcVersionSignature: Ubuntu 3.13.0-170.220-generic 3.13.11-ckt39
Uname: Linux 3.13.0-170-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Thu Jun 2 23:52:20 2022
InstallationDate: Installed on 2013-07-07 (3251 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2022-06-02 (0 days ago)
mtime.conffile..etc.update.manager.release.upgrades: 2022-06-02T23:41:44.427174
Thank you for taking the time to report this bug and helping to make Ubuntu better.
Bug reporting is mostly about finding & fixing problems thus preventing future users from hitting the same bug.
You may find a support site more appropriate, eg. https:/
Do note however that Ubuntu 14.04 LTS reached the end of it's standard support back in April-2019 (5 years after release) thus support options are now limited. This also applies to Ubuntu 16.04 LTS (the release 14.04 upgrades to).
- Ubuntu 16.04 (xenial) reached end-of-
- Ubuntu 14.04 (trusty) reached end-of-
See this document for currently supported Ubuntu releases:
https:/