[ubuntu-za] Upgrade to Ubuntu 9.04 error

Lloyd Reijers lloyd.reijers at gmail.com
Thu Apr 30 10:15:08 BST 2009

2009/4/30 Dr. Johan P. Prinsloo <biocura at telkomsa.net>

> W:Failed to fetch
> http://security.ubuntu.com/ubuntu/dists/jaunty-security/main/binary-i386/Packages.bz2
> Hash Sum mismatch , E:Some index files failed to download, they have
> been ignored, or old ones used instead.

I've seen this too. I discovered in my instance that an http cacheing server
(squid) had cached the hash sum of the packages.bz2 file, and I had to issue
an apt-get update that explicitly instructed the update to bypass any
cacheing servers along the way to the host. Try the following:

$ sudo apt-get update -o Acquire::http::No-Cache=True
$ sudo apt-get upgrade


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