Cacher is the code snippet organizer for pro developers

→ juju version
1.19.1-trusty-amd64

→ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04 LTS
Release:	14.04
Codename:	trusty

machines:
  "0":
    agent-state: started
    agent-version: 1.18.1
    dns-name: ec2-54-186-183-60.us-west-2.compute.amazonaws.com
    instance-id: i-ca1ecfc2
    instance-state: running
    series: trusty
    hardware: arch=amd64 cpu-cores=2 cpu-power=6500 mem=7680M root-disk=8192M
services:
  service-name:
    charm: local:trusty/service-name-3
    exposed: false
    relations:
        ...
    units:
      service-name/0:
        agent-state: started
        agent-version: 1.18.1
        machine: "0"
        public-address: ec2-54-186-183-60.us-west-2.compute.amazonaws.com

→ juju ssh service-name/0
ssh: Could not resolve hostname ip-172-31-21-242.us-west-2.compute.internal: Name or service not known
ERROR subprocess encountered error code 255