curl -I <domain>
Example response:
HTTP/1.1 301 Moved Permanently x-amz-id-2: GhbglnY4TMT7NQy4HEFfBbrYo1L6OgepT1130/R80lZm6yDUCH8Ok x-amz-request-id: C72E7BA4D7A6DEB8 Date: Thu, 31 Aug 2017 22:51:42 GMT Location: https://www.domain.com/ Content-Length: 0 Server: AmazonS3
dig afxr gitgood.club
- gives back record data.
ab -n 1000 -c 50 "https://staging.aemc.prescoapps.co/"
- test Load Balance with reqs
.
sudo lsof -i :3090
- what's using port 3090.
telnet redrooster.com.au 22
- Does the server at redrooster.com.au listen on port 22 (standard ssh port)?