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Unit 4 Discussion: Linux File Sharing Services – A Comparison
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There are occasions where we need to share information between different clients who are running different operating systems on their computers. Which File Sharing service should be the best software to use on our Linux network? Should we use NFS, CIFS, SMB or some other software application on our Linux servers?
The tasks of the administrator is to make sure these services are installed and configured properly so the files can be shared.
In your discussion post: choose to expand the following list of advantages and disadvantages between Samba and NFS for Linux File Sharing services.
SMB/CIFS Benefits: - Native Windows Support - Security (at least perceived) better on open networks
NFS Benefits: - Can achieve higher transfer speeds - Typically uses a lot less server CPU power - Can take advantage of multiple CPU cores per instance. - Native support for Unix like systems (BSD/Linux/Android/OS X)
Visit several sites listed below and compile a list of three (3) advantages of using Samba File Sharing over NFS on a Linux server. Try to select different advantages that of your peers have not already posted.
Describe each of the three advantages and provide a screenshot or description of each. You may need to search the public web using a search engine like Google or Bing to find screenshots of systems with different services. Cite any sources you use in APA format; this includes sources for any screenshots that are not your own.
When responding to your peers’ posts, describe your initial thoughts on the best advantage over the other systems’ services they posted. Note any major similarities or differences your notice between the different services.
FreeBSD is a free and open source Unix-like operating system and a popular server platform. While FreeBSD and other BSD-based systems share much in common with systems like Linux, there are points where these two families diverge in important ways.
In this guide, we will briefly discuss some commonalities between FreeBSD and Linux before moving on to a more extended discussion on the important differences between them. Many of the points below can accurately be applied to the greater family of BSD-derived systems, but as a consequence of our focus, we will be referring mainly to FreeBSD as a representative of the family.
Traits that FreeBSD and Linux Share
Before we begin examining areas where FreeBSD and Linux differ, let's discuss in broad terms the things these systems have in common.
While the specific licensing that each family employs differs (we will discuss this later), both of these families of systems are free and open source. Users can view and modify the source as they desire and development is done in the open.
Both FreeBSD and Linux-based distributions are Unix-like in nature. FreeBSD has close roots to Unix systems of the past, while Linux was created from scratch as an open Unix-like alternative. This association informs decisions on the design of the systems, how components should interoperate, and the general expectations for what the system should look like and accomplish.
The common Unix-like behavior is mainly a result of both families being mostly POSIX-compliant. The overall feel and design of the systems are rather standardized and use similar patterns. The filesystem hierarchy is similarly divided, shell environments are the primary method of interaction for both systems, and the programming APIs share similar features.
Due to these considerations, FreeBSD and Linux distributions are able to share many of the same tools and applications. Some cases dictate that the versions or flavors of these programs differ between the systems, but applications can be ported more easily than they can with non-Unix-like systems.
With these points in mind, we will now move on to discuss the areas where these two families of operating systems diverge. Hopefully, these commonalities will help you more accurately digest the information regarding their differences.
Licensing Differences
One of the most fundamental differences between FreeBSD and Linux systems is a matter of licensing.
The Linux kernel, GNU-based applications, and many pieces of software originating in the Linux world are licensed under some form of the GPL, or GNU General Public License. This license is often described as a "copyleft" license, which is a form of licensing that allows freedom to view, distribute, and modify the source code, while demanding that any derivative works maintain that licensing.
FreeBSD on the other hand, including the kernel and any tools created by FreeBSD contributors, licenses its software under a BSD license. This license type is more permissive than the GPL in that it does not require derivative work to maintain the licensing terms. What this means is that any person or organization can use, distribute, or modify the program without the need to contribute changes back or release the source of the work they are creating. The only requirements are that the original copyright and a copy of the BSD license are included in the source code or the documentation (depending on the release method) of the derivative work and that a provided disclaimer that limits liability is included. The main license is very short and can be found here.
The appeal of each of these licensing types is almost entirely dependent upon philosophy and the needs of the user. The GPL licenses promote sharing and an open ecosystem above all other considerations. Proprietary software has to be very careful not to rely on GPL-based software. On the other hand, BSD licensed software can be freely incorporated into proprietary, closed source applications. This makes it more attractive to many businesses and individuals hoping to monetize their software because it is possible to sell the software directly and retain the source.
Developers tend to prefer one licensing philosophy over the other, but each has its advantages. Understanding the licensing of these systems can help us begin to understan...
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