Linux Howto’s for System Administrations
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As you may know, email spoofing allows attackers to pose as someone else to gain illegal profit. For example, I only use webmaster@cyberciti.biz for communication, but someone might create a …
In this brief guide, we will learn how to configure or set static IP address and DNS on a FreeBSD system from commandline. The steps provided below are tested on …
This brief guide explains all possible ways to clear or flush DNS cache in Linux operating systems. For those wondering, DNS cache (or sometimes called a DNS resolver cache) is a small …