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What’s Free At Linux Academy June 2019

Linux Academy

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 104
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DockerCon 2016 Vendor Meetings

Scott Lowe

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
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Technology Short Take 165

Scott Lowe

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. This post on Cedar—a new policy language developed by AWS—is an interesting read.

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Technology Short Take 114

Scott Lowe

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. I’m thankful that Bill Demirkapi followed a responsible disclosure policy. Networking. Servers/Hardware. seems appropriate to include.

Linux 60
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Technology Short Take #75

Scott Lowe

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. Alpine Linux 3.5 This is notable (for me, at least) primarily because a growing number of Docker images are based on Alpine Linux. was recently released.

Vmware 60
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Technology Short Take 152

Scott Lowe

Components involved include the open source Kuma service mesh (in turn leveraging Envoy), anycast BGP, and mutual TLS (mTLS). Rory McCune writes about a CVE in the Linux kernel that could allow for container escape in Kubernetes. Jim Jones has an article on getting started with S3-compatible object storage. Yes, please.

Storage 79
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Technology Short Take 105

Scott Lowe

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 ).