Configuring NIS under Red Hat Linux

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The following describes a procedure to set up NIS network name service under Red Hat Linux. This is geared toward a small installation with only one domain. However, it should be fairly evident how to add more NIS domains. The NIS domain name has nothing to do with any DNS naming convention being used. In…

Difference between IMAP and POP3

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IMAP stands for “Internet Message Access Protocol”. It’s a fancy name for a protocol used by email programs like Outlook, Thunderbird, and others to access your email. IMAP is an alternative to POP3 (Post Office Protocol 3), works in some fundamentally different ways, and makes a few fundamentally different assumptions. IMAP and POP are two different protocols. There are…

DNS Configuration in Linux

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DNS (Domain Naming Service) DNS is a service which is used to resolve host to IP address and zone records & configuration files. MASTER DNS : There are two types of zonerecords 1) Forwad lookup zone 2) Reverse lookup zone By defaults, computer connects to another computer with the help of IP address Forward lookup…

History of linux

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Operating System: Operating System is an interface between user and Computer (Hardware). It is the software that manages the computer hardware and provides a convenient and software environment for running programs. Operating  System is a collection of system programs, It classified into 2 types 1). CUI (Character User Interface) Ex: DOS, UNIX. 2). GUI (Graphical User…

50+ Linux operating system distributions list

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A Linux operating system is known collectively as a distribution, which includes a wide collection of different components packaged together for specific kinds of users and needs, all free for public use. The most common Linux distribution is called Ubuntu, based on a system called Debian. Although these programs are free, they do require a…