Ubuntu
update-manager package

how to upgrade ubuntu 11.04 to 11.10

Asked by !ncredible

I have installed ubuntu 11.04 on my system. Now, i want to upgrade it to ubuntu11.10.

please tell me how can i upgrade from ubuntu 11.04 to 11.10 by using CD/DVD only. i don't want use internet connection to upgrade it. since it downloads hundreds of MBs which takes several hours to complete. please guide me how can i do this, which type of CD i should use? i.e. desktop CD or Alternate CD.

also, i have installed so many softwares on my Ubuntu 11.04 by downloading thousands of MBs from the internet. i don't want to lose them by making a clean install of ubuntu 11.10 on my system.... So, plz suggest me how can i BACKUP my installed packages, SO THAT even if i do a Clean install or if something goes wrong while upgrading , i don't lose my software packages downloaded from internet. i have installed DEJA DUP backup TOOL on my system. but, i dont know which files i need to incllude in the backup.

also, if u know any way so that i can download the necessary packages into a seperate folder and able to install them whenever i need(like we do in Windows, by downloading softwares and then installing them on demand)...

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actionparsnip (andrew-woodhead666) said : 		#1

https://help.ubuntu.com/community/OneiricUpgrades

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actionparsnip (andrew-woodhead666) said : 		#2

To replicate your packages selection on another machine (or restore it if re-installing), you can type:

sudo apt-get install aptitude --display-format '%p' search '?installed!?automatic' > ~/my-packages

move the file "my-packages" to the other machine, and there type:

sudo apt-get install aptitude; sudo xargs aptitude --schedule-only install < my-packages ; sudo aptitude install

This will install the same packages.

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!ncredible (atul498) said : 		#3

I'v tried that command and it gave me the following output.

incredible@incredible-Inspiron-N5010:~$ sudo apt-get install aptitude --display-format '%p' search '?installed!?automatic' > ~/my-packages
[sudo] password for incredible:
E: Command line option --display-format is not understood

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paul (mammalook) said : 		#4

dont upgrade 11.04 is better

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