This is a pretty cool trick…
http://www.cyberciti.biz/cloud-computing/http-status-code-206-commad-line-test/
This is a pretty cool trick…
http://www.cyberciti.biz/cloud-computing/http-status-code-206-commad-line-test/
This is a great article on what are good practices to secure SSH
If the mail command is missing in CentOS you just need to install the mailx package. You can do this with the following yum command:
yum install mailx