10 things to know about Cisco’s certification overhaul

Cisco’s network certification lineup is set for a major overhaul. The company is adding a new coding-focused track to its offerings, and it's continuing to streamline its core designations: Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP), and Cisco Certified Internetwork Expert (CCIE). To read this article in full, please click here(Insider Story)

Junos Policy-Based VPNs – Part 2 of 4 – Proxy-Identity

This is the second post in the Policy-Based VPN series. In our first post we configured a policy-based VPN using …

Continue reading →

The post Junos Policy-Based VPNs – Part 2 of 4 – Proxy-Identity appeared first on Fryguy's Blog.

Disaster Recovery Faking, Take Two

An anonymous (for reasons that will be obvious pretty soon) commenter left a gem on my Disaster Recovery Test Faking blog post that is way too valuable to be left hidden and unannotated.

Here’s what he did:

Once I was tasked to do a DR test before handing over the solution to the customer. To simulate the loss of a data center I suggested to physically shutdown all core switches in the active data center.

Ex-Cisco Execs Launch Pensando, Target Amazon

Adtran Teams Up With Toob, Speeds Massive UK Fiber Push

Using multitail on Linux

The multitail command can be very helpful whenever you want to watch activity on a number of files at the same time – especially log files. It works like a multi-windowed tail -f command. That is, it displays the bottoms of files and new lines as they are being added. While easy to use in general, multitail does provide some command-line and interactive options that you should be aware of before you start to use it routinely.Basic multitail-ing The simplest use of multitail is to list the names of the files that you wish to watch on the command line. This command splits the screen horizontally (i.e., top and bottom), displaying the bottom of each of the files along with updates.To read this article in full, please click here

FCC Approves T-Mobile-Sprint Merger, Uncertainty Remains

Cisco pushes 5G to hasten industrial IoT

While 5G deployments are nascent, Cisco says it expects rapid future development of the mobile technology will be expand industrial IoT use cases.The IIoT includes a broad range of products  from connected sensors, robots and machinery to vehicles, building automation, asset tracking and remote agriculture systems. And in the industrial networking realm there are wireless access technologies including low-power wide-area networks (LoRaWAN), Narrow Band-IoT and others.To read this article in full, please click here

Commvault Execs Attempt to Snuff ‘Complicated’ Claims

Data center liquid-cooling to gain momentum

Concern over escalating energy costs is among reasons liquid-cooling solutions could gain traction in the data-center.Schneider Electric, a major energy-management specialist, this month announced refreshed impetus to a collaboration conceived in 2014 with liquid-cooling specialists Iceotope. Now, technology solutions company Avnet has been brought into that collaboration.[Get regularly scheduled insights by signing up for Network World newsletters.] The three companies will develop chassis-level immersive liquid cooling for data centers, Schneider Electric says in a press release.Liquid-cooling systems submerge server components in a dielectric fluid as opposed to air-cooled systems which create ambient cooled air.To read this article in full, please click here

Data center liquid-cooling to gain momentum

Concern over escalating energy costs is among reasons liquid-cooling solutions could gain traction in the data-center.Schneider Electric, a major energy-management specialist, this month announced refreshed impetus to a collaboration conceived in 2014 with liquid-cooling specialists Iceotope. Now, technology solutions company Avnet has been brought into that collaboration.[Get regularly scheduled insights by signing up for Network World newsletters.] The three companies will develop chassis-level immersive liquid cooling for data centers, Schneider Electric says in a press release.Liquid-cooling systems submerge server components in a dielectric fluid as opposed to air-cooled systems which create ambient cooled air.To read this article in full, please click here

Is Amazon’s Database Strategy A Glimpse Into The Future?

IBM, through the work of Edgar Codd, invented the ideas behind the relational database back in 1970. …

Is Amazon’s Database Strategy A Glimpse Into The Future? was written by Timothy Prickett Morgan at The Next Platform.

Red Hat Balances Istio, Knative Challenges in OpenShift Update

Internet2 Research Network Taps Ciena 800G Platform

Google Fuses Security Analytics in Cloud Wars Quest

The Fallacy of Telco Cloud

Huawei Smashes Q3 Predictions Despite US Campaign

Europeans Add 3D Integration To Exascale Technology Stack

The European Exascale Processor Memory Node Design (ExaNoDe) project has wrapped up, delivering a prototype multi-chip-module (MCM) that integrates Arm cores, FPGAs, and 3D active interposer/chiplet technology. …

Europeans Add 3D Integration To Exascale Technology Stack was written by Michael Feldman at The Next Platform.

Using Kustomize with Kubeadm Configuration Files

Last week I had a crazy idea: if kustomize can be used to modify YAML files like Kubernetes manifests, then could one use kustomize to modify a kubeadm configuration file, which is also a YAML manifest? So I asked about it in one of the Kubernetes-related channels in Slack at work, and as it turns out it’s not such a crazy idea after all! So, in this post, I’ll show you how to use kustomize to modify kubeadm configuration files.

If you aren’t already familiar with kustomize, I recommend having a look at this blog post, which provides an overview of this tool. For the base kubeadm configuration files to modify, I’ll use kubeadm configuration files from this post on setting up a Kubernetes 1.15 cluster with the AWS cloud provider.

While the blog post linked above provides an overview of kustomize, it certainly doesn’t cover all the functionality kustomize provides. In this particular use case—modifying kubeadm configuration files—the functionality described in the linked blog post doesn’t get you where you need to go. Instead, you’ll have to use the patching functionality of kustomize, which allows you to overwrite specific fields within the YAML definition Continue reading

Using Kustomize with Kubeadm Configuration Files

Last week I had a crazy idea: if kustomize can be used to modify YAML files like Kubernetes manifests, then could one use kustomize to modify a kubeadm configuration file, which is also a YAML manifest? So I asked about it in one of the Kubernetes-related channels in Slack at work, and as it turns out it’s not such a crazy idea after all! So, in this post, I’ll show you how to use kustomize to modify kubeadm configuration files.

If you aren’t already familiar with kustomize, I recommend having a look at this blog post, which provides an overview of this tool. For the base kubeadm configuration files to modify, I’ll use kubeadm configuration files from this post on setting up a Kubernetes 1.15 cluster with the AWS cloud provider.

While the blog post linked above provides an overview of kustomize, it certainly doesn’t cover all the functionality kustomize provides. In this particular use case—modifying kubeadm configuration files—the functionality described in the linked blog post doesn’t get you where you need to go. Instead, you’ll have to use the patching functionality of kustomize, which allows you to overwrite specific fields within the YAML definition Continue reading