How to enter network namespaces of other containers from a pod in K8s?

You might be in a situation where you need to troubleshoot the networking stack on a container where you don't have the tools necessary. Or you might need to figure out which veth belongs to a container. For both these scenarios you will need to be able to get into …

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Custom GCP Cloud Shell image with Terraform and Helm

Inpatient people who just want the end-result, please go to: GitHub: GCP Cloud Shell image with Terraform and Helm

Cloud Shell is one of the convenient features of Google Cloud providing you with a secure CLI directly from the browser. The default image contains almost all the tools you could …

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OpenStack Salt MK22 Vagrant-based lab

The blog by Sebastian inspired me to try out OpenStack Salt in combination with the new MK22 Reclass model. Instead of using the TCPcloud provided labs I'm using my own laptop beast (ThinkPad W530 with 32GB of memory). For that reason I created a Vagrantfile for the mk22-lab-basic environment to …

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OpenWRT hourly speedtest maximum bandwidth delivered by ISP

Work in progress, place holder, these are the commands required to run the python code that I wrote

opkg install python3-light opkg install python3-email

opkg install python3-openssl opkg install python3-codecs

opkg install ca-certificates

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RobotRouter: Bandwidth of Xfinity Internet on 2016-10-11

RobotRouter ran speedtest-cli.sh every hour on 2016-10-11 and reported the following aggregate statistics:

Metric Value
Average Download Speed 88.224583333333325
Average Upload Speed 4.7241666666666663
Min Download Speed 83.819999999999988
Min Upload Speed 4.7
Max Download Speed 99.25
Max Upload Speed 4.75

The raw results can …

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RobotRouter: Bandwidth of Xfinity Internet on 2016-10-10

RobotRouter ran speedtest-cli.sh every hour on 2016-10-10 and reported the following aggregate statistics:

Metric Value
Average Download Speed 86.536249999999976
Average Upload Speed 4.7145833333333337
Min Download Speed 83.98
Min Upload Speed 4.6399999999999994
Max Download Speed 88.930000000000012
Max Upload Speed 4.74

The raw results can …

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RobotRouter: Bandwidth of Xfinity Internet on 2016-10-09

RobotRouter ran speedtest-cli.sh every hour on 2016-10-09 and reported the following aggregate statistics:

Metric Value
Average Download Speed 87.67375
Average Upload Speed 4.6916666666666663
Min Download Speed 82.67
Min Upload Speed 4.08
Max Download Speed 91.069999999999988
Max Upload Speed 4.75

The raw results can …

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Fuel: Separate Ceph Public from Management using Network Templates

This post will demonstrate using Network Templates in Fuel to separate Ceph Public Network from Management Network. By default Fuel combines the ceph public network with the management network. The Ceph Public network is used for communicating from the compute nodes to the Ceph nodes. So in high performant storage …

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Creating a KVM VM for StackLight on Fuel 8.0 master node

Creating a KVM VM on the Fuel master node is a nice way to better utilize server resources for small environments that were deployed already without using Fuel compact install or running Fuel as VM itself. We can run Controller, Monitoring or MongoDB as VM on the Fuel node. This …

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Running Computer Vision algos on Spark with OpenCV

This post shows several computer vision steps implemented on top of Spark. OpenCV is used to extract features on top of OpenStack and Spark MLLib KMeans is used to generate our KMeans dictionary. Then we use Spark and simple vector / matrix manipulation to do coding and pooling.

Workflow implemented using …

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