You may have noticed the warning message while using sudo for the first time on Linux. I think it's fancy to keep the waring message not only for the first time but for all the time, and surely I like it.

It was a very silly mistake of mine. I am now at village for EID vacation and yesterday I was getting very slow speed with GrameenPhone. For some maintenance task, I thought to access the cPanel with my mobile. While accessing the "Legacy File Manager" of cPanel I touched a wrong menu unintentionally and the destruction happened.

To configure firewall as a system admin or even as a normal computer user we need to know the port numbers which will remain open. Here is a list of common port numbers of some common services.

The issue arises because we may not need the same permission for the files as like the directories. Take a website as example. Generally website files have 644 permission and directories have 755 permission.

Okay here is the promise, I will post all new and fresh content regularly and keep the blog live. At least I can post my Facebook status here. ;)

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