unable to update ubuntu 11.10 64bit

[kranthi457]

getting following error when updating ubuntu using sudo apt-get update

W: Failed to fetch bzip2:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_oneiric-backports_universe_binary-i386_Packages Hash Sum mismatch

E: Some index files failed to download. They have been ignored, or old ones used instead.

please advice..
Thanks

[fantab]

getting following error when updating ubuntu using sudo apt-get update

W: Failed to fetch bzip2:/var/lib/apt/lists/partial/archive.ubuntu.com_ubuntu_dists_oneiric-backports_universe_binary-i386_Packages Hash Sum mismatch

E: Some index files failed to download. They have been ignored, or old ones used instead.

please advice..
Thanks

Run the following in the Terminal:


sudo rm /var/lib/apt/lists/* -vf
sudo apt-get update

[Gstrazds]

I wanted to add this to the discussion... spent time looking for this solution in the forums; eventually found it in the help department


So anybody else needs to look no further... should you have this flavor of the problem

Glenn:popcorn:Upgrading from Ubuntu 11.04

To upgrade from Ubuntu 11.04 on a desktop system, press Alt+F2 and type in "update-manager -d" (sans quotes) into the command box. Update Manager should open up and display following message: "New distribution release '11.10' is available. Click Upgrade and follow the on-screen instructions".