[ubuntu-za] Upgrade to Ubuntu 9.04 error

Dr. Johan P. Prinsloo biocura at telkomsa.net
Thu Apr 30 10:31:07 BST 2009

Lloyd Reijers wrote:
> 2009/4/30 Dr. Johan P. Prinsloo <biocura at telkomsa.net
> <mailto: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
> hth
> -- 
> regards
> Lloyd
> You guys are amazing, thank you so much. It is running and has passed
> that problem stage. I did it by changing the upgrade server from ZA to
> Main and it worked. So I have not had the opportunity (or need) to try
> Lloyd Reijers' suggestion. Either way we have two suggestions, both of
> which effectively solve the problem.

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