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Evolution

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LAN data transmission has evolved from the original IEEE 802.3 standard to virtual extensible LAN (VXLAN) technology and finally to today's Generic Network Virtualization Encapsulation (GENEVE) tunneling protocol, which offers improved flexibility and scalability, although it still faces some issues. We look at the three technologies and their areas of application.

Cloud Bridge

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The Azure Arc cloud service supports centralized management of Windows and Linux servers, Kubernetes clusters, and SQL servers that are not themselves running in Azure, extending Azure management capabilities to servers in traditional data centers or any other cloud environment. We show you how to get Azure Arc up and running and look at its key features.

Tunnel Tech

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Connect to remote machines with Visual Studio Code for the Web through secure tunnels – no SSH needed.

Under Seal

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MACsec encrypts defined links with high performance and secures Layer 2 protocols between client and switch or between two switches.

Special Delivery

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If the IT staff is having trouble keeping up with the demand for custom applications, end users can pitch in with low-code programming tools like Microsoft Power Apps.

Tech News

In the news: Red Hat Announces Ansible Lightspeed with IBM watsonx Code Assistant; Dell APEX Cloud Platform for Red Hat OpenShift Announced; NSA Offers Best Practices for OSS in Operational Technology Environments; Civil Infrastructure Platform Adds New Super-Long-Term Linux Kernel; HTTP/2 Protocol Exploited in Largest DDoS Attack Ever; Docker Announces Three New Products for Secure App Delivery; CloudBees Updates Jenkins and Offers New DevSecOps Platform; Linkerd 2.14 Released with Improved Multi-Cluster Support; NIST Releases Draft of Cybersecurity Framework v2.0; CISA and MITRE Announce Open Source Caldera for OT

Rusty Finds

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Ripgrep combines the best features of tools like Grep, Ack, and Silver Searcher when it comes to using search patterns in a terminal window.

Bit by Bit

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Domain-driven design addresses many aspects of software development, from the design of entire software landscapes and the relationships between (sub)systems to the design of domain models, patterns, and code.

New Models

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The operating system of an Azure virtual machine can be kept up to date by a number of methods; we provide an overview and look in detail at Azure Automation Update Management, the Azure Update Management Center, automation options, and other related topics.

On Call

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Event-Driven Ansible is a reactive extension that uses events to launch automations. We explain the ruleset and present examples that show how to monitor logs and call other tools.

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