Tags: servers

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security tutorials
Check out these top tutorials from Linux.com to help you improve your Linux server security.

Best Linux Server Security Tutorials on Linux.com

The first rule of Linux server security is to keep your server lean and mean. Only install the packages and run the services that you really need, writes Swapnil Bhartiya in his Linux.com tutorial on making your server more secure. “Even the most hardened servers can be hijacked by exploiting any...
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NTP security
Chris Binnie continues his NTP tutorial series with a look at some security concerns and important NTP options to lock down your servers.

Arrive On Time With NTP -- Part 2: Security Options

In the first article in this series, I provided a brief overview of NTP and explained why NTP services are critical to a healthy infrastructure. Now, let’s get our hands dirty and look at some security concerns and important NTP options to lock down your servers. Attacks On NTP One nasty attack...
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Writing SELinux Modules

SELinux struggles to cast off its image as difficult to maintain and the cause of potential application problems. Yet in recent years, much has changed for the better, especially with regard to usability. For example, modules have replaced its monolithic set of rules. If you want to develop a new...
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Tools and Processes for Monitoring Containers

With the introduction of containers and microservices, monitoring solutions have to handle more ephemeral services and server instances than ever before. And while the infrastructure landscape has changed, operations teams still need to monitor the same information on the central processing unit (...
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Swift
The flexibility of Swift means you can change your cluster to meet the storage demands as necessary.

Swift Is Old, Why Should I Use it?

With emerging technology, there can be the thought that old is not good. It could lack the features and performance the business requires.  Cloud technology changes so much, do we still need something like Swift that predates OpenStack? To answer this question, we must understand Swift’s unique...
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AWS Sets Cloud Networking Example For IT Organizations

Industry standard servers have played a big role in reducing the cost of networking across the enterprise. But there is a fair amount of nuance that needs to be appreciated to understand how to achieve that goal. One of the best examples is the way Amazon Web Services offloads network services from...
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Containers Moving Beyond Servers

So far, containers have been used mostly to develop or deploy apps to servers—specifically, x86 servers. But containers have a future beyond the data center, too. From internet of things (IoT) devices, to ARM servers, to desktop computers, containers also hold promise. It’s obvious enough why...
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TNS Guide to Serverless Technologies: The Best of FaaS and BaaS

This post is the first of a two-part series that collects many of the technologies and services in the emergingserverless ecosystem. The installment covers providers of Functions-as-a-Service (FaaS) and Backend-as-a-Service (BaaS or mBaas for mobile providers). Check back soon for part two, which...
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OpenStack’s Latest Release Focuses on Scalability and Resilience

OpenStack, the massive open source project that helps enterprises run the equivalent of AWS in their own data centers, is launching the 14th major version of its software today. Newton, as this new version is called, shows how OpenStack has matured over the last few years. The focus this time is on...
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The History of Pets vs Cattle and How to Use the Analogy Properly

I have been meaning to write this post for a long time, but one thing or another has gotten in the way. It’s important to me to provide an accurate history, definition, and proper usage of the Pets vs Cattle meme so that everyone can understand why it was successful and how it’s still vital as a...
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