I often have to develop server applications for clients and its easy, especially during development to have processes left around listening on ports. There is a slow way and a quick way to kill any such unwanted processes off.
There are lots of online references available to help secure your site but many of them will try to sell you a 'security scan' or other services and most have some axe to grind regarding a particular product or issue.
Here are four rules you can follow to help keep your site secure.
I am sometimes asked about my naming convention for MySQL. A clear naming convention has been essential for me for years because it is sometimes years that pass before I have to revisit some database that I wrote or modified for a client.
There is a lot of confusion about tar when it is used for incremental backups. There are plenty of utilities that attempt to automate backup and restoration but often, in their attempts to make it simpler they make life harder.