Just for reference: I had the same problem on my digital ocean droplet (after a distro upgrade).
Problem solved after upgrade the kernel in the digital ocean administration site. More details you can see here[1]. In my case the upgrade was from 3.x to 4.x serie. [1] https://www.digitalocean.com/community/tutorials/how-to-update-a -digitalocean-server-s-kernel -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1577926 Title: apt-key works fine, yet apt fails with "Could not execute 'apt-key'" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1577926/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
