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How to provide robust monitoring to low-end systems.

If you own a Raspberry Pi and want to get involved with IoT projects, here are some IoT projects you can do yourself with your Raspbery Pi.

News briefs for March 21, 2019.

Service mesh provides a dedicated network for service-to-service communication in a transparent way. Istio aims to help developers and operators address service mesh features such as dynamic service discovery, mutual transport layer security (TLS), circuit breakers, rate limiting, and tracing. read more

Nginx is a free and open-source high-performance web server. It is also well-known for its reverse proxying, caching, load balancing, and media streaming. Configuring it is made simple, and it has low memory usage. A common misconception is that Apache is easier to use than Nginx – however, Nginx is just as easy-to-use as Apache. In this tutorial, we will show you how to install Nginx on an Ubuntu 18.04 VPS.

2DayGeek: This small shell script allows you to check whether the given ports open or not on multiple servers?

In the first part of this series, we looked at advances in leveraging the power of relational databases "at scale" using Apache Spark SQL and DataFrames. We will now do a simple tutorial based on a real-world dataset to look at how to use Spark SQL. We will be using Spark DataFrames, but the focus will be more on using SQL. In a separate article, I will cover a detailed discussion around Spark DataFrames and common operations. read more

Streaming services are more popular than ever, but many don't support Linux. Take these steps, and you'll be watching streamed content on Linux in no time!

Valve haven't given up on their home-grown Linux distribution yet, with SteamOS seeing another beta update. Additionally, there's another Steam Beta Client update about.

Relational databases are here to stay, regardless of the hype and the advent of newer databases often called NoSQL databases. The simple reason is that relational databases enforce essential structure, constraints, and provide a nice, declarative language to query data (which we love): SQL! read more

Learn how to kick a user off of a system. Sometimes it is necessary to forcefully disconnect a user from the system for maintenance or because of malicious activity. In this article we will discuss how to forcefully kick a user and basic sysadmin etiquette.

Users unchuffed, devs pulling bricked wares off Google Play. Android looks a little less open now that Google has begun to enforce draconian new rules on accessing a phone's call and text logs.…

Tails, the amnesic incognito live system based on the Debian GNU/Linux operating system, has been updated to version 3.13, a release that adds extra security and latest updates.

In this article, we will describe four ways to install Mozilla Firefox on your system. You can then make a choice based on the source you want to install Firefox from and also if you want to use the UI or the command line: Snap Store, Official Ubuntu Repository, Mozilla PPA repository and via download from Mozilla.org.

Wiki.js is a modern and powerful OpenSource wiki app based on Node.js, Git, and Markdown. Wiki.js runs on the flamingly fast Node.js engine and is optimized to conserve CPU resources.

The best DevOps pros have skill sets spanning three crucial areas: automation, process, and soft skills

The Debian Project announced today the host city for next year's DebConf20 Debian GNU/Linux developer conference as Haifa, in Israel.

Jérôme Glisse felt that the time had come for the Linux kernel to address seriously the issue of having many different types of memory installed on a single running system. There was main system memory and device-specific memory, and associated hierarchies regarding which memory to use at which time and under which circumstances. This complicated new situation, Jérôme said, was actually now the norm, and it should be treated as such.

Why bother having a process for proposing changes to your open source project? Why not just let people do what they're doing and merge the features when they're ready? Well, you can certainly do that if you're the only person on the project. Or maybe if it's just you and a few friends. read more

2DayGeek: bd command allow us to quickly go back to a specific parent directory in Linux.