Application allowlisting is the practice of specifying an index of approved applications or executable files that are permitted to run on a system by a specific user. This is often used on a multi-user system or some kind of a shared hosting server, where multiple users exist and they have to be given limited permissions, so…
Read More →In this article, we focus on advanced troubleshooting scenarios with middlebox appliances and SD-WAN in a global network on AWS. Middlebox appliances and SD-WAN A customer building a global network may wish to implement traffic inspection with their own network security appliances. Frequently this requirement is achieved through introduction of a transparent, middlebox appliance. AWS…
Read More →Red Hat Enterprise Linux (RHEL) version 7.5 introduced the “boom” utility for managing LVM snapshot and image boot entries. This new functionality could be very helpful for system administrators, especially those responsible for RHEL servers running directly on physical hardware, where booting from snapshots has previously been more difficult. This post will cover the…
Read More →When we unveiled Red Hat Enterprise Linux 8 at Red Hat Summit 2019, our primary focus was to deliver innovation while keeping enterprise IT’s needs for production reliability and operational compatibility front-and-center. With this launch came a predictable, six month release cadence for minor releases which continues today with Red Hat Enterprise Linux 8.3 beta. With global…
Read More →We are excited to announce that Azure Load Balancer customers now have instant access to a packaged solution for health monitoring and configuration analysis. Built as part of Azure Monitor for Networks, customers now have topological maps for all their Load Balancer configurations and health dashboards for their Standard Load Balancers preconfigured with relevant metrics. Through this, you…
Read More →In this final entry for the container security series, we’ll look at network traffic control for containers running in Red Hat OpenShift. In a Multi-Level Security (MLS) environment, you will want to be able to ensure that containers in different security levels can only talk to pods in the same security level. For instance, a…
Read More →In Red Hat Enterprise Linux 8.1, we added new container features including full support for rootless Podman, Podman Play/generate Kube, and container images for the Golang toolset (“A minor release with major new container capabilities“). Red Hat Enterprise Linux 8.2 hits the ground with an even bigger set of features. Here’s a quick summary: Update…
Read More →Today we’re announcing the general availability of Azure Spot Virtual Machines (VMs). Azure Spot VMs provide access to unused Azure compute capacity at deep discounts. Spot pricing is available on single VMs in addition to VM scale sets (VMSS). This enables you to deploy a broader variety of workloads on Azure while enjoying access to discounted pricing…
Read More →Red Hat Enterprise Linux (RHEL) 8.2 will be GA soon, and brings new features and improvements to existing ones across the board. RHEL 8.2 includes installation enhancements and a better in place upgrade experience, to resource management for optimizing workloads on large systems, to new container tools to improve use of RHEL and the Red…
Read More →Introduction Capturing and querying Amazon EKS and Kubernetes (K8s) cluster traffic is an important skill to possess. It is especially useful during incident-response and when troubleshooting networking issues surrounding nodes, pods, or services in your cluster. Amazon makes it easier to perform capture and query tasks with Amazon VPC Flow Logs and Amazon Athena. Administrators can use Amazon VPC Flow Logs to capture detailed information…
Read More →When choosing an operating system for running database workloads like Microsoft SQL Server, Red Hat Enterprise Linux (RHEL) offers several unique advantages. But why is this the case? When it comes to picking a database for your mission-critical application, performance is a crucial decision factor. In fact, delivering low latency, and high-throughput application responses comes…
Read More →Today marks the general availability of new Azure disk sizes, including 4, 8, and 16 GiB on both Premium and Standard SSDs, as well as bursting support on Azure Premium SSD Disks. To provide the best performance and cost balance for your production workloads, we are making significant improvements to our portfolio of Azure Premium…
Read More →As I was reading through the Red Hat Enterprise Linux 8 Beta release notes, one thing that caught my eye was that a session recording solution had been added to RHEL 8 Beta, which allows for users’ terminal sessions to be recorded and played back at a later time. Before coming to Red Hat…
Read More →AWS Global Accelerator is a network service that routes incoming network traffic over the AWS global network to multiple AWS Regions in order to improve performance and availability for your global applications. It makes use of our collection of edge locations and our congestion-free global network to direct traffic based on application health, network health, and the geographic…
Read More →Satellite and Ansible Tower are each powerful tools, and many customers utilize both of them. It is possible to integrate these tools and in part 1 of this series we covered how to configure Ansible Tower to pull a dynamic inventory of hosts from Satellite. One of Satellite’s features is the ability to provision new hosts, while…
Read More →Updated on July 17, 2020: Azure Shared Disks is now generally available. For more information, please refer to the blog post Announcing the general availability of Azure Shared Disks and new Azure Disk Storage enhancements. Today, we are announcing the limited preview of Azure Shared Disks, the industry’s first shared cloud block storage. Azure Shared Disks enables the…
Read More →Today, we’re pleased to announce that the latest beta version of the world’s leading enterprise Linux platform, Red Hat Enterprise Linux (RHEL) 8.2, is now available. Maintaining our commitment to a predictable, six-month release cadence for minor platform releases, RHEL 8.2 Beta is designed to make it easier for IT organizations to adopt new, production-ready innovations…
Read More →This week, Microsoft certified its SQL Server 2019 release for use with Red Hat Enterprise Linux 8. The new version of SQL Server adds Linux support for Replication and Change Data Capture (CDC), distributed transactions (MSDTC), machine learning (in Java, Python, and R), and data virtualization (Polybase) across structured and unstructured data sources. For RHEL 8,…
Read More →Earlier this year, we announced the preview of Azure proximity placement groups to enable customers to achieve co-location of Azure Infrastructure as a Service (IaaS) resources with low network latency. Today’s general availability of proximity placement groups continues to be particularly useful for workloads that require low latency. In fact, this logical grouping construct ensures that your…
Read More →We’re announcing the preview of Azure Spot Virtual Machines. Azure Spot Virtual Machines provide access to unused Azure compute capacity at deep discounts. Spot pricing is available on single Virtual Machines in addition to Virtual Machine Scale Sets (VMSS). This enables you to deploy a broader variety of workloads on Azure while enjoying access to…
Read More →Here are your AWS Marketplace sessions for December 5. Please double-check the AWS re:Invent event catalog to confirm the date, time, and venue for your session! You can also get demos and education from 11 sellers (rotating daily) in the AWS Partner Solutions Experience in the southwest corner of the Venetian expo hall. Follow AWS re:Invent on Twitter or the #reinvent hashtag for…
Read More →We are excited to announce the preview of direct-upload to Azure managed disks. Today, there are two ways you can bring an on-premises VHD to Azure as a managed disks: Stage the VHD into a storage account before converting it into a managed disk. Attach an empty managed disk to a virtual machine and do copy….
Read More →Last week we celebrated the 25th anniversary of Red Hat’s inaugural Halloween release. This week? We’ve got Red Hat Enterprise Linux 8.1 hitting the streets on schedule and ready to take on your toughest workloads. In RHEL 8.1 we have some new tools, live kernel patching, a new system role, and more. Here’s a quick…
Read More →There’s a bunch of interesting storage technology in Red Hat Enterprise Linux 8- including XFS reflink, enhancements to the Boom boot manager, Stratis file management (tech preview), and broader use cases for File System Direct Access to Persistent Memory Devices (FS-DAX). We’ll touch on all of them here, but let’s start with something even more…
Read More →This post is a technical deep dive into the vhost-user/virtio-pmd architecture targeting high performance userland networking using DPDK, building on the introduction provided by the solution overview post. It is intended for architects and developers who are interested in understanding the nuts and bolts of this architecture, and will be followed by a complementary hands on…
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