502 Bad Gateway /admin

1

/var/log/nginx/error.log

2016/08/09 18:33:50 [error] 3724#0: *51 open() “/home/user-data/www/default/adminb” failed (2: No such file or directory), client: .124, server: bo$
2016/08/09 18:33:51 [error] 3724#0: *51 connect() failed (111: Connection refused) while connecting to upstream, client: .124, server: box…$
2016/08/09 18:34:42 [error] 3724#0: *51 connect() failed (111: Connection refused) while connecting to upstream, client: .124, server: box…$
2016/08/09 18:34:43 [error] 3724#0: *51 connect() failed (111: Connection refused) while connecting to upstream, client: .124, server: box…$
2016/08/09 18:39:22 [error] 12368#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: .124, server: box…$
2016/08/09 18:39:25 [error] 12368#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: .124, server: box…$
2016/08/09 18:39:25 [error] 12368#0: *1 connect() failed (111: Connection refused) while connecting to upstream, client: .124, server: box…$

2

Try rebooting, some times the timing during install causes a service or two not to start, if that doesn’t work, run the install script again.