Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64
Case I: if /boot is not 100% full and apt is working
1. Check the current kernel version
$ uname -r
Download and install the Drone CLI from the official website.
At the time of writing
brew install droneinstalls an old version of Drone that is not compatible with Drone 0.5.
Verify it works as expected:
Your school or company network may block the access to a few specific websites. To solve this problem, I'd highly recommend Shadowsocks, since it is the easiest proxy tool I've ever found, and it's FREE (of course iff you have your own server running).
ssh to your server, and make sure you have Python and
pip installed. If you have Python but not
pip, install it using the following command
$ sudo apt-get install python3-pip