Using VPC Flow Logs to capture and query EKS network communications
By: Date: 24/04/2020 Categories: AWS Tags:

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…

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Optimizing performance with Microsoft SQL Server 2019 on RHEL 8
By: Date: 19/04/2020 Categories: Linux Tags:

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…

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Using Bring Your Own IP Addresses (BYOIP) with Global Accelerator
By: Date: 04/03/2020 Categories: AWS Tags:

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…

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Announcing the preview of Azure Shared Disks for clustered applications
By: Date: 16/02/2020 Categories: azure Tags:

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…

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Red Hat Enterprise Linux 8.2 Beta now available
By: Date: 30/01/2020 Categories: Linux Tags:

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…

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SQL Server 2019 now available for Red Hat Enterprise Linux 8
By: Date: 10/01/2020 Categories: Linux Tags:

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,…

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Announcing the general availability of Proximity Placement Groups
By: Date: 21/12/2019 Categories: azure Tags:

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…

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Announcing the preview of Azure Spot Virtual Machines
By: Date: 10/12/2019 Categories: azure Tags:

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…

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AWS Marketplace sessions today at re:Invent
By: Date: 08/12/2019 Categories: AWS Tags: ,

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…

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What’s new in RHEL 8 file systems and storage
By: Date: 13/10/2019 Categories: Linux Tags:

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…

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A journey to the vhost-users realm
By: Date: 29/09/2019 Categories: Linux Tags:

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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Announcing the general availability of Azure Ultra Disk Storage
By: Date: 30/08/2019 Categories: azure Tags:

Today, we are announcing the general availability (GA) of Microsoft Azure Ultra Disk Storage—a new Managed Disks offering that delivers unprecedented and extremely scalable performance with sub-millisecond latency for the most demanding Azure Virtual Machines and container workloads. With Ultra Disk Storage, customers are now able to lift-and-shift mission critical enterprise applications to the cloud…

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Disaster recovery of Azure disk encryption (V2) enabled virtual machines
By: Date: 08/08/2019 Categories: azure Tags:

Choosing Azure for your applications and services allows you take advantage of a wide array of security tools and capabilities. These tools and capabilities help make it possible to create secure solutions on Azure. Among these capabilities is Azure disk encryption, designed to help protect and safeguard your data to meet your organizational security and compliance…

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Container migration with Podman on RHEL
By: Date: 08/08/2019 Categories: Linux Tags:

Starting with the beta release of Red Hat Enterprise Linux 8.1 Podman offers the possibility to migrate running containers from one system to another, without losing the state of the applications running in the container. With the help of CRIU Podman is able to offer stateful container migration for some containers. The following is an example how to use…

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Getting started with Ansible in Satellite
By: Date: 25/07/2019 Categories: Linux Tags:

In today’s fast paced environment, system administrators don’t have time to manually make configuration changes across servers in their environment. Instead, they need tools that can help automate configuration management. Ansible is a powerful automation tool, and in Satellite 6.4 Red Hat introduced the ability to use Ansible for basic host configuration management. There are…

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Red Hat OpenShift Container Platform 4 now defaults to CRI-O as underlying container engine
By: Date: 06/06/2019 Categories: Linux Tags:

Red Hat OpenShift Container Platform 4 enables the mass production of container hosts at scale across cloud providers, virtualization platforms and bare metal. To create a true cloud platform, we had to tightly control the supply chain to increase the reliability of the sophisticated automation. Standardizing on Red Hat Enterprise Linux CoreOS (a variant of Red Hat Enterprise…

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Red Hat Enterprise Linux 8 and the Services to help you get there
By: Date: 08/05/2019 Categories: Linux Tags:

Today’s IT landscape is constantly changing. Legacy strategies of static, “stable,” image-based deployments and isolated patching may create brittle architectures, server sprawl, and highly restrictive platforms. We believe modern workloads should be scalable whether they’re deployed across bare metal, virtual, or cloud environments. To deliver performance, enhance reliability, and empower innovation, a holistic strategy is…

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Installing Microsoft SQL Server on Red Hat Enterprise Linux 8 Beta
By: Date: 20/03/2019 Categories: Linux Tags:

Most of my work involves collaborating with engineers and product managers to improve the performance, security, and manageability of workloads that are running on Red Hat Enterprise Linux (RHEL).  The vast majority of those I encounter in my work are built on databases that are used to store the structured data associated with those workloads….

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