o lançamento no Ubuntu parece estar quebrado, não posso atualizar minha caixa ...
do-release-upgrade
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [819 B]
Get:2 Upgrade tool [1.255 kB]
Fetched 1.255 kB in 0s (0 B/s)
authenticate 'xenial.tar.gz' against 'xenial.tar.gz.gpg'
gpg exited 1
Debug information:
gpg: Signature made Fr 23 Feb 2018 16:32:36 CET using RSA key ID C0B21F32
gpg: /tmp/ubuntu-release-upgrader-47devoc8/trustdb.gpg: trustdb created
gpg: BAD signature from "Ubuntu Archive Automatic Signing Key (2012) <[email protected]>"
Authentication failed
Authenticating the upgrade failed. There may be a problem with the network or with the server.
eu tentei (de respostas googled):
apt-key adv --keyserver http://keyserver.ubuntu.com:80 --recv-keys 437D05B5 C0B21F32 3E5C1192
Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.jGluqQPlpJ --no-auto-check-trustdb --trust-model always --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver http://keyserver.ubuntu.com:80 --recv-keys 437D05B5 C0B21F32 3E5C1192
gpg: requesting key 437D05B5 from http server keyserver.ubuntu.com
gpg: requesting key C0B21F32 from http server keyserver.ubuntu.com
gpg: requesting key 3E5C1192 from http server keyserver.ubuntu.com
gpgkeys: no key data found for http://keyserver.ubuntu.com:80/
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0
e
gpg --keyserver pgpkeys.mit.edu --recv-key 437D05B5 C0B21F32 3E5C1192
gpg: requesting key 437D05B5 from hkp server pgpkeys.mit.edu
gpg: requesting key C0B21F32 from hkp server pgpkeys.mit.edu
gpg: requesting key 3E5C1192 from hkp server pgpkeys.mit.edu
gpg: key 437D05B5: "Ubuntu Archive Automatic Signing Key <[email protected]>" not changed
gpg: key C0B21F32: "Ubuntu Archive Automatic Signing Key (2012) <[email protected]>" not changed
gpg: key 3E5C1192: "Ubuntu Extras Archive Automatic Signing Key <[email protected]>" not changed
gpg: Total number processed: 3
gpg: unchanged: 3
i apt-key atualizado e apt-get atualizado algumas vezes entre e ainda não há alegria.
update-manager-core já é a versão mais recente, verifiquei isso também. alguma idéia?