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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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212

Azure Linux 3.0 Preview: Major Updates in Security and Development

Microsoft recently took an essential step in strengthening its cloud-native offerings with Azure Linux 3.0 Preview for Azure Kubernetes Service version 1.31. This exciting launch brings updated components, advanced security measures, and features designed for developers, further cementing Microsoft's commitment to an integrated cloud environment. . By transitioning away from CBL-Mariner and towards Azure Linux as its cloud OS offering of choice, Microsoft is solidifying its position among its rivals in this competitive industry. In this article, I'll explore the evolution of Azure Linux, notable updates and security measures introduced in this release, and its impact on Microsoft's cloud security architecture. I'll then explain how you can experience Azure Linux 3.0 Preview yourself! From CBL-Mariner to Azure Linux: Tracing its Development Microsoft's internal Linux distribution, CBL-Mariner, has been essential in supporting cloud and edge services since its debut in 2020. Intended to be lightweight yet efficient at containerized workload management, its shift to Azure Linux in 2017 represents Microsoft's strategy to integrate its cloud services ecosystem further. Under the management of its Linux Systems Group, Azure Linux optimizes performance with minimal packages while offering security features like a hardened kernel and an iptables-based firewall for enhanced protection. Key Technical Updates in Azure Linux 3.0 Azure Linux 3.0 boasts significant technical advancements, starting with an update from Linux Kernel version 5.15 to version 6.6 LTS for improved system performance and security, expanding hardware compatibility, and introducing modern security protocols. Additionally, improvements were made to Containerd , upgraded to version 1.7.13 with plans of upgrading to 2.0, and promoted greater container management efficiency. SystemD has also been upgraded from version 250 to 255 to simplify system and service management processes. An OpenSSL upgrade from Version 1.1.1k to3.3.0 provides enhanced encryption capabilities and more secure data transmission. These updates offer significant performance gains while showing a forward-thinking approach to integrating cutting-edge technologies to improve security and user experience. Reinforced Security Measures One of Azure Linux 3.0's hallmark features is its robust security enhancements. By default, Security-Enhanced Linux (SELinux) is activated in enforcing mode for containerized workloads to prevent unauthorized activities and significantly reduce vulnerability exposure. Furthermore, Azure Linux 3.0 offers FIPS-compliant images, demonstrating Microsoft's commitment to meeting stringent compliance requirements. Impact on Microsoft's Cloud Infrastructure Azure Linux is integral to Microsoft's cloud infrastructure, powering services like Azure Stack HCI and IoT Edge . Through integration with the Windows Subsystem for Linux , GUI applications from Linux can run natively within Windows to further cross-platform compatibility. Due to its lightweight nature and reliability, Azure Linux forms part of Microsoft's hybrid and multi-cloud solutions strategy. Enhanced Developer Experience Azure Linux 3.0 offers developers a streamlined experience with its expanded toolset and more efficient package management, making deploying more complex apps simpler. Furthermore, RPM package management enables custom package addition without impacting system efficiency. An iptables-based firewall ensures security is a top priority, creating a smooth development experience. Current Limitations and Preview Constraints While Azure Linux 3.0 presents many exciting possibilities, its current limitations and preview constraints limit users' usage to AKS version 1.31 only. Users must create new clusters or node pools as upgrades from Azure Linux 2.0 are unavailable. As part of the v20241025 rollout program, any feedback gathered during this phase will help refine the final version slated for public availability on AKS 1.32. How toEnable Azure Linux 3.0 Preview on AKS v1.31 To experience Azure Linux 3.0 on AKS v1.31, users and developers should follow these steps: Register the Feature Flag: az feature register --namespace Microsoft.ContainerService --name AzureLinuxV3Preview Check the Registration Status: az feature show --namespace Microsoft.ContainerService --name AzureLinuxV3Preview Deploy Azure Linux 3.0: After registration, new AKS clusters or node pools can be created using: --os-sku=AzureLinux Deployment can be facilitated using CLI, PowerShell, Terraform, or ARM templates, offering flexibility based on user preference. Our Final Thoughts on This Forward-Thinking Release Azure Linux 3.0 represents Microsoft's forward-thinking approach to cloud innovation. Boasting enhanced performance, tightened security measures, and an improved developer experience, this release represents an important step in Microsoft's cloud journey. With active community participation and a commitment to improving based on user feedback, Microsoft is poised to transform Azure Linux into one of its core cloud offerings. Are you using Azure Linux 3.0? We'd love to hear your thoughts! Tweet us @lnxsec. . Dive into the upgrades of Azure Linux 3.0, focusing on improvements in safeguarding systems, boosting efficiency, and enriching the developer's journey with newly implemented functionalities.. Azure Linux Release, Microsoft Cloud Security, Containerized Workloads, Azure Kubernetes Service. . Brittany Day

Calendar 2 Nov 12, 2024 User Avatar Brittany Day Cloud Security
212

An Integrated Method for Safeguarding Kubernetes Environments

Among cloud developers, Kubernetes is now a widely used platform. It's not immune to security incidents, however, and these can lead to loss of revenue or customers. . So, what's the best way to secure Kubernetes systems? Alex Jones, engineering director Kubernetes at Canonical , suggests a need to look beyond containers with a holistic approach to security that spans all layers of the system. We talked to him to discover more. . Enhancing Kubernetes security demands a comprehensive strategy addressing every architecture layer, from RBAC to runtime security and third-party solutions. Kubernetes Security, Cloud Infrastructure, Security Best Practices, Risk Mitigation. . Brittany Day

Calendar 2 Aug 25, 2023 User Avatar Brittany Day Cloud Security
79

Rackspace Launches OpenStack Project For Cloud Innovations

Rackspace announced the OpenStack project today, open sourcing much of the software it uses to run its own cloud. I spoke with Rackspace. This is a big announcement in the cloud world, further widening the technologies that are available to start crafting public and private clouds. The nature of Rackspace as not a software company is also interesting to watch here, as well as what partners do with the project. Transcript Michael Cot. The introduction of OpenStack by Rackspace enhances choices for creating both public and private cloud infrastructures.. OpenStack, Rackspace, Cloud Solutions, Cloud Technology, Software Projects. . LinuxSecurity.com Team

Calendar 2 Jul 29, 2010 User Avatar LinuxSecurity.com Team Security Projects
78

Red Hat Enterprise Virtualization 2.2 Enhances Scalability and Security

Linux giant Red Hat is moving the ball forward on its mission of becoming a key virtualization and cloud infrastructure player. To that end, the company has announced the latest release of its Enterprise Virtualization hypervisor, version 2.2.. With this latest release, Red Hat said it has updated the virtualization platform to include new scalabilities, migration tools, and additional features to expand on performance and security. Version 2.2 also brings Red Hat technology into the world of desktops. With its Red Hat Enterprise Virtualization (RHEV) solution, Red Hat is on a mission to increase scalability and quickly catch up to the competition, which has quite a few more years on the company at this point. With RHEV 2.2, Red Hat has turned up the scalability dial by doubling the number of virtual CPUs that it can support in a single virtual machine from 8 to 16. The addressable amount of memory by a virtual machine has been quadrupled from 64GB to 256GB since the RHEV 2.1 release. The link for this article located at InfoWorld is no longer available. . Explore how Red Hat Enterprise Virtualization 2.2 boosts performance, scalability, and security for your virtualization needs.. Red Hat Enterprise Virtualization,RHEV 2.2,Cloud Infrastructure,Performance Enhancements. . LinuxSecurity.com Team

Calendar 2 Jun 25, 2010 User Avatar LinuxSecurity.com Team Vendors/Products
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Community Poll

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/main-polls/150-what-got-you-started-with-linux?task=poll.vote&format=json
150
radio
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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