Unacceptable tls certificate error

[egrath]

What have you already tried? The instructions in this Thread should work:

Google Chrome install error even everything is up to date

This is an issue with gnutls that’s fixed in EOS 3.8 and newer. So, you’re kind of in a bind until you can get an OS upgrade. Both ostree and wget use gnutls rather than openssl. I haven’t tested this yet, but I think this should work. First, pull the OS upgrade while temporarily using the http:// URL rather than the https:// URL: sudo ostree pull --url=http://ostree.endlessm.com/ostree/eos eos os/eos/amd64/eos3a Now just do the upgrade without trying to pull the OS again: sudo ostree admin …