2 Posts
  • Published Question

    Missing kernel: Ubuntu 14.04 x64 vmlinuz-3.13.0-100-generic (and anything newer than 3.13.0-91)

    My Ubuntu 14.04 droplet is still running 3.13.0-91-generic although there have been multiple patches since then, including security updates (Changelog (
    Accepted Answer: That depends on when you created Droplet. In past, Kernels was managed from Control Panel. This was changed some time ago and now it can be updated via Droplet console (terminal/SSH). The only thing is what you need t...
    1 By jks Control Panels Linux Basics Security Ubuntu
  • Published Question

    How to query Spamhaus DNS blacklist from a droplet?

    I want to set up a small mail server. I have got Postfix on Ubuntu working, but now I want to add some level of spam filtering using the DNS blacklist, and this is not working. The Spamhaus instructio...
    3 By jks DNS Email Ubuntu