Comment 14 for bug 156070

Revision history for this message
Avinash (avinash-sridhar) wrote :

I tried to update 8.04 to 8.10 . I dont have apt-cacher installed but am behind a proxy. I get the same error

Running up to date feisty on a server w/o X, trying to update to gutsy via the do-release-upgrade command. Seems like this command never works right..........

root@Bunter:/# do-release-upgrade
Checking for a new ubuntu release
Failed Upgrade tool signature
Done Upgrade tool
Done downloading
extracting '/tmp/tmpA-amtI/gutsy.tar.gz'
authenticate '/tmp/tmpA-amtI/gutsy.tar.gz' against '/tmp/tmpA-amtI/'
exception from gpg: GnuPG exited non-zero, with code 131072
Debug information:

gpg: WARNING: unsafe permissions on homedir `/tmp/tmpA-amtI'

gpg: /tmp/tmpA-amtI/: read error: Is a directory
gpg: verify signatures failed: eof

Authentication failed
Authenticating the upgrade failed. There may be a problem with the network or with the server.