Ubuntu upgrade notes 20.04 20.10

 

 

note that at do-release-upgrade, there will be a long pause, then an "are you sure prompt" that has to be responded to to complete.  Then some goods will be downloaded and another response required.

 

Upgrade will proceed after that.

 

 

$ sudo apt update
$ sudo apt upgrade
$ sudo apt dist-upgrade 

$ sudo apt autoremove

 

 Configure the release upgrader. Open and edit the

/etc/update-manager/release-upgrades file and ensure that the Prompt variable is set to normal.

 

 [DEFAULT]
# Default prompting behavior, valid options:
#
#  never  - Never check for a new release.
#  normal - Check to see if a new release is available.  If more than one new
#           release is found, the release upgrader will attempt to upgrade to
#           the release that immediately succeeds the currently-running
#           release.
#  lts    - Check to see if a new LTS release is available.  The upgrader
#           will attempt to upgrade to the first LTS release available after
#           the currently-running one.  Note that this option should not be
#           used if the currently-running release is not itself an LTS
#           release, since in that case the upgrader won't be able to
#           determine if a newer release is available.
Prompt=normal

$ sudo do-release-upgrade

Reboot the Ubuntu system.

 

 

reference link 

-

 

--30--

support for ancient ubuntu releases

I've got a couple of machines that probably won't upgrade nicely, and the "gee why can't you upgrade them" comments are useless.  The ones I had were appliance downloads popular at the time I obtained them, and there was not the usual trail of how they were built accompanying them.

since one is my email archive I will continue to run it till SMTP POP3 and IMAP protocols die without any update.

Here is a link which worked for my oldest version, hardy, which is Ubuntu 8.  The date of the release is to probably 2006 maybe earlier.

https://superuser.com/questions/339537/where-can-i-get-the-repositories-for-old-ubuntu-versions

Here is the most useful answer (including the useless suggestion to update). 

**********************

Your system is End-of-Line (EOL), therefore not officially supported. Unless you have a good reason for sticking with 9.04, upgrade to a newer version. 16.04 is the next long-term supported release for Ubuntu, which will continue to receive updates.
To access old Ubuntu repositories, take a look at http://old-releases.ubuntu.com/.
There is also an official Ubuntu documentation for EOL upgrades
They say you should be able to access your packages by putting the following into /etc/apt/sources.list. Important: Change CODENAME to your distribution's code name, e.g. jaunty.

## EOL upgrade sources.list
# Required
deb http://old-releases.ubuntu.com/ubuntu/ CODENAME main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ CODENAME-updates main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu/ CODENAME-security main restricted universe multiverse

# Optional
#deb http://old-releases.ubuntu.com/ubuntu/ CODENAME-backports main restricted universe multiverse

Just run apt-get update and you can use them.