hot to upgrade lubuntu

Asked by john axinos on 2018-07-02

hot to upgrade lubuntu 15 to Lububtu 18
I burnt Lububtu 18 iso file in CD but when I boot from CD Lubuntu 18 system ask me to format again my system and
install Lubuntu from zero.
Can I upgrade lubuntu 15 from CD Lububtu 18 wihout formatting my system by Boot CD?
Can I upgrade lubuntu 15 from CD Lububtu 18 on line wihout CD?

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Last query:
18 hours ago
Last reply:
18 hours ago

What is the output of:

lsb_release -a; uname -a


Launchpad Janitor (janitor) said : #2

This question was expired because it remained in the 'Needs information' state without activity for the last 15 days.

john axinos (axinos55) said : #3

john@athlon64:~$ lsb_release -a; uname -a;
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 15.10
Release: 15.10
Codename: wily
Linux athlon64 4.2.0-34-generic #39-Ubuntu SMP Thu Mar 10 22:13:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
john@athlon64:~$ ^C

OK looks good. If you run:

sudo do-release-upgrade

Does it upgrade to 16.04 ok?

You need to upgrade to 16.04 first and then to 18.04 from that (LTS to LTS upgrades are supported) you cannot leapfrog versions so you cannot go from 15.10 to 18.04 without wiping the current installation off and doing a clean install of Bionic from USB / CD

Can you help with this problem?

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