I am getting below errors after hitting apt-get update on ubuntu server 14.04
W: Failed to fetch 502 Bad Gateway [IP: 91.189.91.13 80] W: Failed to fetch 502 Bad Gateway [IP: 91.189.91.13 80] lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty uname -a Linux ubuntuhost 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux 21 Answer
Change the server select a server more near you from software and updates select other servers option. and then try again.
