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We can use Cloudwatch to view and analyze metrics for SNS Topics we have in our account. In this article, we will see steps to create an alarm for the "NumberOfNotificationsDelivered" metric for the existing SNS Topic.

n a nutshell, an archive is a single file that contains a collection of other files and/or directories. Archive files are typically used for a transfer (locally or over the internet) or make a backup copy of a collection of files and directories.... This tutorial shows how to use tar to create an archive, list the contents of an archive, and extract the files from an archive.

Today Linux Foundation Training & Certification and the Cloud Native Computing Foundation are announcing the availability of our newest training course, LFS260 – Kubernetes Security Essentials. The course provides skills and knowledge on a broad range of best practices for securing container-based applications and Kubernetes platforms during build, deployment and runtime. It is also a […]

Nexcom’s rugged, Linux-ready “NISE 52” IoT gateway extends an Apollo Lake SoC with an interesting mix of features for a compact: 3x HDMI, 3x GbE, 8x USB, 2x mini-PCIe, and a DB44 serial port. Nexcom has announced a 162 x 150 x 26mm NISE 52 IoT gateway that follows other compact NISE systems including the […]

Algo VPN is an open-source software bundle or set of Ansible script that is used to set up a WireGuard and IPsec VPN. In this tutorial, we will show you how to set up a VPN server with Algo VPN on Ubuntu 20.04 server.

'So far the jury is still out... are you willing to help with this?' Linux kernel maintainer Greg Kroah-Hartman has responded to complaints that the current promise of two years for 5.10 is not enough, explaining that support is not automatic but requires commercial help.…

Ibase’s compact, -10 to 60°C tolerant “ISR301” embedded system supplies Android and Yocto Linux BSPs for on an i.MX8M with 3GB LPDDR4, 16GB eMMC, GbE, HDMI, 3x USB, 3x COM, and M.2 and mini-PCIe expansion. Ibase has announced a fanless, i.MX8M-based embedded computer called the ISR301 that appears to be based on its 3.5-inch IBR210 […]

Perhaps the most popular platform for applications is the web. There are many reasons for this including portability across platforms, no need to update the program, data backup, sharing data with others, and many more. This popularity has driven many of us to the platform. Unfortunately, the platform is a bit complex.

Jason Perlow, Director of Project Insights and Editorial Content at the Linux Foundation, had an opportunity to speak with Shuah Khan about her experiences as a woman in the technology industry. She discusses how mentorship can improve the overall diversity and makeup of open source projects, why software maintainers are important for the health of […]

Elasticsearch is an open-source distributed analytics engine built on Apache Lucene. It takes unstructured data from different locations and stores it according to user-specified mapping and indexes it.

Zededa has launched a cloud-native stack for orchestrating distributed edge computers based on the open source, Linux-based EVE-OS. Zededa supports Docker, Kubernetes, and VMs, and features an app store and zero trust security. In early 2019, Zededa promised to contribute its edge virtualization technology to the Linux Foundation’s LF Edge group to form the basis […]

The Open Source Software Foundation (OpenSSF) officially launched on August 3, 2020. In this article, we’ll look at why the OpenSSF was formed, what it’s accomplished in its first six months, and its plans for the future. The world depends on open source software (OSS), so OSS security is vital. Various efforts have been created […]

Helm is a package manager for Kubernetes. In this article, we will see the steps to install Helm3, in terms of architecture there is a difference between Helm2 and Helm3. One of the major differences is "Removal of Tiller".

In this edition of our open source news roundup, an open source leader heads to the White House, MapLibre launches an open source alternative, and more. read more

JWIPC unveiled three “R19x” SBCs that run Linux on Rockchip’s dual -A7, 1.2-TOPS NPU equipped RV1109 camera SoC. Meanwhile, Firefly released two “CAM-C11x” cameras based on the RV1109 and similar quad-core, 2.0-TOPS RV1126. Shenzhen-based JWIPC, which we last covered back in 2014 with its Intel Bay Trail based S015 Dual System signage player, has posted […]

Scorches Flash for the very last time, too. The Mozilla Foundation has scorched a pair of monstrosities in the new version 85 of its Firefox browser.…

An introductory article on hotwo set up mail filters for the Tunderbird mail client on Fedora.

In prior years, this annual series covered individual apps. This year, we are looking at all-in-one solutions in addition to strategies to help in 2021. Welcome to day 17 of 21 Days of Productivity in 2021.

This past holiday season, I decided to add some extra joy to our house by setting up a DIY light display. I used a Raspberry Pi, a programmable light string, and Python. read more

OnLogic is adding to its line of Helix and rugged, higher-end Karbon embedded PCs with four new Helix 300 and Karbon 400 models that run Linux or Windows on Intel’s Elkhart Lake. OnLogic has announced four fanless embedded systems built around Intel’s 10nm-fabricated, MCU-equipped Elkhart Lake Atom, Celeron, and Pentium processors. The smaller Helix 310 […]