In amendment to my previous answer, an excellent explanation of memory usage in Linux can be found here: <br> <br>http://www.linuxa…

it was perfectly worked on php 5.3.10, but after upgrade php version it will not working. <br> <br>The reason you are seeing this…

You can use the IP address of a server to access any exposed service. With a web server running, you would just need to put the IP …

Postfix is just an SMTP server; it doesn’t provide any services other than sending and receiving emails Horde and Roundcube are IMA…

It’s fine to run web and mail services on the same server, provided it can cope with the load. There are situations in the wild whe…

Since you are configuring the sites, it’s entirely up to you where you put them, though I recommend that you pick a structure and s…

What you might be looking at is the total memory use, which includes buffers and cache; memory that is being utilised by the operat…