* [[Gmail_As_Relay_On_Ubuntu|Gmail as relay]]: Send outgoing mail from HDA using Gmail.
* [[Monitor_System_Logs_On_Ubuntu|Monitor System Logs via Email]]: Monitor system logs via email
* [[Ubuntu_Disk_Error_Alerts|Disk error alerts]]: Monitor disk drive wellness and receive email alerts if errors are detected.* [[UPS_Ubuntu_Setup|NUT UPS Monitor]]: Manage your HDA UPS requirements with NUT.
== External Links ==
* [http://www.howtoforge.com/how-to-benchmark-your-system-cpu-file-io-mysql-with-sysbench Measure system performance]: How to benchmark CPU, file IO, and MySQL performance.