bcs.io server up

troubleshoot.txt

Is link up up?
sudo ethtool [interface] | grep 'Link detected'
  - expect to see yes

Is interface up?
sudo ifconfig [interface] | grep 'inet addr'

Is DNS working?
nslookup [server name]

Can I route to the remote host?
traceroute [ip address]

Is the remote port open?
nmap -p 80 [ip address]

Test for listening ports
sudo netstat -lnp | grep :80

What firewall rules?
suo iptables -L