CIO Business Intelligence

MAY 9, 2023

Tap into open-source software Mainframe-dependent businesses often think that open source is just for cloud-based products – but that assumption is incorrect. Open-source software accelerates IBM Z® application development and delivery through modern tools that drive automation and integration to and from the mainframe.

Applications 90

Applications Development Open Source How To 90

Linux Academy

APRIL 29, 2019

By adding free cloud training to our Community Membership, students have the opportunity to develop their Linux and Cloud skills further. Each month, we will kick off our community content with a live study group allowing members of the Linux Academy community to come together and share their insights in order to learn from one another.

Linux 60

Linux Course Big Data Devops 60

CTOvision

NOVEMBER 17, 2013

This power and drop in price applies not just to processors but storage. Regarding software, in the past decade we have seen remarkable transition towards open source software as platform technologies. Linux and Android are obvious examples of this. Open source avoids this lock-in and does so economically.

Open Source 288

Open Source Big Data Linux Hardware 288

Linux Academy

JUNE 25, 2019

By adding free cloud training to our Community Membership, students can develop their Linux and Cloud skills even further. Members of the Linux Academy community come together and share their insights and questions. Stay tuned to the Linux Academy blog for details! Linux Academy Free Courses in July. Ansible Quick Start.

Course 60

Course Linux Cloud Devops 60

Linux Academy

APRIL 10, 2020

By now you’ve heard the stories that Microsoft loves Linux and fully embraces the open-source world. Microsoft, under Satya Nadella, has taken a new stance on open-source , which to some is a complete flip-flop from the Microsoft of the past. Windows Subsystem for Linux (WSL). Visual Studio Code.

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Linux Open Source Groups Applications 143

Linux Academy

JANUARY 1, 2020

How to Get a Linux Job. This course helps prepare you for applying for and successfully obtaining a Linux Job. This course dives into LXC (Linux Containers) and its container manager, LXD. Students will learn by doing through installing and configuring containers and thoughtfully selecting a persistent storage strategy.

Course 31

Course Linux Devops Big Data 31

Linux Academy

JANUARY 30, 2020

How to Get a Linux Job. This course helps prepare you for applying for and successfully obtaining a Linux Job. This course dives into LXC (Linux Containers) and its container manager, LXD. Students will learn by doing through installing and configuring containers and thoughtfully selecting a persistent storage strategy.

Course 29

Course Linux Devops Big Data 29

Scott Lowe

JUNE 24, 2022

BPFDoor, as it is known, is a passive backdoor that allows threat actors to remotely connect to a Linux shell. Tetragon is Isovalent’s newly open-sourced security framework. Tzah Pahima shares additional details on the so-called Azure “SynLapse” security vulnerability. Check out this write-up.

Vmware 74

Vmware Linux Storage Virtualization 74

Linux Academy

DECEMBER 1, 2019

To continually support your mission to learn and grow, we are always adding new, free courses and resources for developing Linux and Cloud skills. Members of the Linux Academy community come together and share their insights and questions. Microsoft SQL Server on Linux Quick Start. How to Get a Linux Job. AWS Concepts.

Course 26

Course Linux Devops Big Data 26

Linux Academy

JULY 30, 2019

Our free cloud training allows students to begin developing their Linux and Cloud skills. Visit the Linux Academy Booth at Black Hat or find Ell at any of the other Hacker Summer Camp events! AWS Security Essentials – This course prepares learners to be more security-minded with their architecture in AWS.

Course 25

Course Linux Devops Cloud 25

Scott Lowe

NOVEMBER 25, 2020

Open source has become so critical to so many aspects of our computing infrastructure. I recently stumbled across Ricardo Sueiras’ “AWS open source news and updates” posts. You may have heard of eBPF, the Linux technology that is reshaping Linux applications (and in some ways reshaping Linux itself).

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

APRIL 15, 2022

Although Linux is often considered to be superior to Windows and macOS with regard to security, it is not without its own security flaws. I, personally, would posit that Linux can be more secure than other platforms, but it requires proper configuration and can still be undone by a loose nut behind the keyboard.

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

JANUARY 27, 2023

I’ve got another collection of links to articles on networking, security, cloud, programming, and career development—hopefully you find something useful! Security Adrian Mouat reviews some of the security-focused changes in Go 1.20. Welcome to Technology Short Take #164!

Programming 90

Programming Open Source Cloud Devops 90

Scott Lowe

JUNE 20, 2016

Plumgrid is one of the primary commercial sponsors behind the IO Visor project , a Linux Foundation project, which leverages the extended Berkeley Packet Filter (eBPF) subsystem in the Linux kernel. Route aggregation is leveraged wherever possible, and Calico programs IPTables on each host to handle security policies.

Meeting 60

Meeting Linux Storage Network 60

Scott Lowe

MAY 27, 2022

Researchers have uncovered a potential security flaw in Apple Silicon CPUs; more details in this 9to5Mac article. I’m not sure how I feel about security researchers calling this flaw “not that bad.” Via Teri Radichel , I saw this article from Google Project Zero about zero-click security vulnerabilities in Zoom.

Virtualization 79

Virtualization Storage Programming Network 79

Scott Lowe

MAY 17, 2019

Courtesy of Tigera, Alex Pollitt shares some guidelines on when Linux conntrack is no longer your friend. Apparently Dell’s new docking stations support firmware updates via Linux. Since we’re on a bit of a security kick this time around, then the recent announcement by HyTrust of HyTrust CloudControl 6.0 Networking.

Linux 60

Linux Dell Open Source Licensing 60

Scott Lowe

DECEMBER 29, 2016

Andrey Khomyakov shares some information on automating the setup of whitebox switches running Cumulus Linux in part 2 of this series on learning network automation. James Green shares some information on Docker Bench , a tool designed to help secure Docker environments. Alpine Linux 3.5 Servers/Hardware. was recently released.

Vmware 60

Vmware Linux Open Source Data Center 60

Linux Academy

SEPTEMBER 30, 2019

To continually support your mission to learn and grow, we are always adding new, free courses and resources for developing Linux and Cloud skills. Members of the Linux Academy community come together and share their insights and questions. How to Get a Linux Job. Build Your Own Linux From Scratch. Free Mastery Courses.

Linux 22

Linux Course Devops Big Data 22

Scott Lowe

JANUARY 28, 2016

The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

FEBRUARY 17, 2023

Over the last few weeks, I’ve been collecting articles I wanted to share with readers on major areas in technology: networking, security, storage, virtualization, cloud computing, and OSes/applications. Welcome to Technology Short Take #165! Denis Mulyalin shows how to use Nornir, Salt, and NetBox to template your network tests.

Programming 96

Programming Policies Network Cloud 96

Scott Lowe

MARCH 2, 2020

Redpill Linpro talks to readers about their new routers running Cumulus Linux. There’s a security vulnerability , so don’t let your smart home get hacked. I recently found this page , and thought it was a great idea—trying to bring improved security to the masses. I need to move it back to Windows from Linux.

Linux 60

Linux Windows Hardware Network 60

Linux Academy

NOVEMBER 1, 2019

To continually support your mission to learn and grow, we are always adding new, free courses and resources for developing Linux and Cloud skills. Members of the Linux Academy community come together and share their insights and questions. Microsoft SQL Server on Linux Quick Start. How to Get a Linux Job. AWS Concepts.

Course 15

Course Linux Devops Big Data 15

Scott Lowe

DECEMBER 27, 2019

Cole Atkinson discusses the fact that osxfuse is no longer open source , and the ramifications of this development on open source in general. I recently spotted Multipass , a virtualization solution for working with Linux instances. Teammate Alex Brand has a look at VMware’s new OVS-based CNI plugin, Antrea.

Open Source 60

Open Source Vmware Authentication Storage 60

Scott Lowe

MAY 25, 2017

These viewpoints—that security via micro-segmentation is a compelling use case for NSX—is one I’ve seen repeated in numerous environments. Here’s a quick post on nftables , the (eventual) Linux replacement for iptables. Turns out there’s a security vulnerability in some of the wireless keyboard and mice out there.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

MAY 25, 2017

These viewpoints—that security via micro-segmentation is a compelling use case for NSX—is one I’ve seen repeated in numerous environments. Here’s a quick post on nftables , the (eventual) Linux replacement for iptables. Turns out there’s a security vulnerability in some of the wireless keyboard and mice out there.

Linux 60

Linux Open Source Network Vmware 60

Scott Lowe

FEBRUARY 9, 2018

I’m not really sure if this belongs in networking or not (how does one classify OS kernel-level work on networking and security?), If you’re using CloudFormation to manage your AWS security groups in an infrastructure-as-code approach, you owe it to yourself to check out this article by Jose Luis Ordiales. Virtualization.

Vmware 60

Vmware Linux Network Storage 60

Linux Academy

AUGUST 29, 2019

To continually support you in your mission to learn and grow we are always adding new courses and free resources to begin developing your Linux and Cloud skills. Courses Free in September: Microsoft SQL Server On Linux Quick Start. Linux Networking and Trouble Shooting. How to Get a Linux Job. Git Quick Start.

Linux 18

Linux Course Devops Big Data 18

Scott Lowe

DECEMBER 6, 2013

While written for OS X, most of these tips apply to Linux or other Unix-like operating systems as well. Mike Preston has a great series going on tuning Debian Linux running under vSphere. By the way, if you’re thinking of using NetApp storage in an OpenStack environment, here’s a “how to” that Jon wrote.). (By

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). VMware open-sourced an identity and access management service called Lightwave ( project web site , GitHub repo ).

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

OCTOBER 5, 2018

Sathyajith Bhat covers five open source tools for container security. Cory O’Daniel explains how to use role-based access control to assign Pod Security Policies (PSPs) to Kubernetes workloads. The folks at Platform9 recently open-sourced a tool called etcdadm (inspired by kubeadm ). Probably not.

Hardware 60

Hardware Open Source Vmware Linux 60

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Matt Oswalt recently unveiled (and open sourced) a framework called ToDD, which stands for “Testing on Demand: Distributed”. You may also find this (related) article on memory inside Linux containers to be helpful.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

JANUARY 28, 2016

The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Open Source Linux Devops 60

Scott Lowe

NOVEMBER 7, 2014

It was good to read this post on Cumulus Linux first impressions by Jeremy Stretch. I’m a fan of Cumulus, but I’m admittedly a Linux guy (see here ) so you might say I’m a bit biased. Jeremy is a “hard-core” networking professional, and so hearing his feedback on Cumulus Linux was, in my opinion, useful.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

FEBRUARY 28, 2022

Components involved include the open source Kuma service mesh (in turn leveraging Envoy), anycast BGP, and mutual TLS (mTLS). If you aren’t paying attention to the security of your CI/CD pipelines, you probably should. Rory McCune writes about a CVE in the Linux kernel that could allow for container escape in Kubernetes.

Storage 79

Storage Hardware Policies Open Source 79

Scott Lowe

APRIL 19, 2019

Milind Gunjan shares some tips for troubleshooting Linux bridged networking on a KVM host. Tim Hinrichs discusses securing the Kubernetes API with Open Policy Agent. Pod Security Policies (PSPs) are an important security feature in Kubernetes. This article discusses four open source secrets management tools.

Open Source 60

Open Source Tools Policies Cloud 60

Linux Academy

JULY 30, 2019

Our free cloud training allows students to begin developing their Linux and Cloud skills. Visit the Linux Academy Booth at Black Hat or find Ell at any of the other Hacker Summer Camp events! AWS Security Essentials – This course prepares learners to be more security-minded with their architecture in AWS.

Course 12

Course Linux Devops Cloud 12

CTOvision

FEBRUARY 4, 2015

Data Security—What’s New and What’s Next? Chief Security Architect, Office of the CTO, Cloudera. Security Spotlight: Focus on HIPAA and PCI Compliance. Chief Security Architect, Office of the CTO, Cloudera. Security and Compliance in the Era of Big Data. Chief Security Architect, Office of the CTO, Cloudera.

Fractional CTO 150

Fractional CTO CTO CTO Hire Big Data 150