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Linux on Servers and Networks

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  • Parity Check: Expectations Around Monitoring Have Changed

    Monitoring software company BigPanda recently published its second annual State of Monitoring report, which provides data and a few answers. It is based on responses from over 1,500 IT pros. When comparing the 2017 and 2016 reports we found that many things have not changed. The top IT concerns are about security and downtime. The top IT monitoring challenges are quick remediation of service disruptions, getting money to buy monitoring tools and reducing the number of unimportant alerts being generated. Interestingly, even the top performance key performance indicators (KPIs) are the same, with customer satisfaction cited by 73 percent, followed service level agreements (SLAs) compliance, incident volume and mean time to repair (MTTR).

  • IT Automation Best Practices for Network Engineers and Architects

    Software-defined networking (SDN) for L2 and L3 (layer two and three) networking and network function virtualization (NFV) for L4-L7 network services have remained elusive for many IT departments due to the lack of maturation of the technology or specialized skills needed to implement them. But, network automation doesn’t have to be an all or nothing proposition. Software-defined approaches for application and networking services combined with scripting and orchestration tools such as Ansible are enabling practical approaches to network automation that doesn’t require boiling the ocean. In this article, I’ll examine some best practices for network automation in L4-L7 services that can drive immediate improvements in your network.

  • Serverless: Redefining DevOps

    There is a dramatic shift underway in how many in house, and commercial, DevOps tools are being created and used

    The growth in interest in serverless computing continues at pace, and for many organisations serverless technologies such as AWS Lambda, Azure Functions or Google Cloud Functions are becoming an essential part of their development and operations toolkit.

  • IT Workers Say Their Companies Are Migrating to Virtual Infrastructures, Study Says

    An overwhelming 86 percent of respondents to a Chef survey of IT practitioners have completed or are in the progress of migrating from a physical infrastructure to a virtual one.

    Chef interviewed more than 1,500 global IT workers that use Chef servers and found that many emerging and legacy technologies are being rebuilt around the needs of developers. In addition, companies are piloting and adapting new technologies like cloud, containers, and microservices in search of speed.

  • ARM Antes Up For An HPC Software Stack

    The HPC community is trying to solve the critical compute challenges of next generation high performance computing and ARM considers itself well-positioned to act as a catalyst in this regard. Applications like machine learning and scientific computing are driving demands for orders of magnitude improvements in capacity, capability and efficiency to achieve exascale computing for next generation deployments.

    ARM has been taking a co-design approach with the ecosystem from silicon to system design to application development to provide innovative solutions that address this challenge. The recent Allinea acquisition is one example of ARM’s commitment to HPC, but ARM has worked with the HPC community to develop compilers, libraries, and other key tools that are now available for ARM HPC deployments in 2017.

  • Mesosphere Extends Data Services Reach

    In general, Hsu says, IT organizations are making it clear that they need platforms that go well beyond merely orchestrating containers and images. Applications running in production environments require access to a full range of services that IT operations teams need to be able to manage at scale, he says. Container orchestration engines such as Kubernetes may meet the requirements of an individual developer, but most IT operations teams are looking manage multiple applications accessing hundreds of services that all need to be centrally managed, says Hsu.

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today's howtos

GNOME: Mutter, gresg, and GTK

  • Mutter 3.25.2 Has Bug Fixes, Some Performance Work
    Florian Müllner has pushed out an updated Mutter 3.25.2 window manager / compositor release in time for the GNOME 3.25.2 milestone in the road to this September's GNOME 3.26 release. Mutter 3.25.2 has a number of fixes ranging from fixing frame updates in certain scenarios, accessible screen coordinates on X11, some build issues, and more.
  • gresg – an XML resources generator
    For me, create GTK+ custom widgets is a very common task. Using templates for them, too.
  • Free Ideas for UI Frameworks, or How To Achieve Polished UI
    Ever since the original iPhone came out, I’ve had several ideas about how they managed to achieve such fluidity with relatively mediocre hardware. I mean, it was good at the time, but Android still struggles on hardware that makes that look like a 486… It’s absolutely my fault that none of these have been implemented in any open-source framework I’m aware of, so instead of sitting on these ideas and trotting them out at the pub every few months as we reminisce over what could have been, I’m writing about them here. I’m hoping that either someone takes them and runs with them, or that they get thoroughly debunked and I’m made to look like an idiot. The third option is of course that they’re ignored, which I think would be a shame, but given I’ve not managed to get the opportunity to implement them over the last decade, that would hardly be surprising. I feel I should clarify that these aren’t all my ideas, but include a mix of observation of and conjecture about contemporary software. This somewhat follows on from the post I made 6 years ago(!) So let’s begin.

Distro News: Alpine, Devuan, and openSUSE

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