Tag: virtualization

Kubernetes for Mac

Run Kubernetes Natively on Mac Here’s the native Docker for Mac (xhyve) solution we contribute heavily to. # Pull down the Code: git clone https://github.com/streamplace/kube-for-mac.git # Link the Kubernetes shell script to your path. You’ll want the run-docker-kube-for-mac.sh in your

Posted in Kubernetes, Mac, Teknocratica Tagged with: , ,

Docker and Linux Networking: Custom Interfaces!

Hi All. Today my goal was to build on a previous post I wrote on Default Routing, RIP v2, and VMware Workstation NICs. The problem? I am running on AWS EC2 so nested virtualization options are lacking (Ravello Systems has

Posted in Docker, Teknocratica Tagged with: , , , , , ,

Docker, Mac/OSX, xhyve: Modify Container’s HostConfig

Hello Friends – Today I wanted to do some reorganization to my docker containers on my development box where I use Docker, Mac/OSX, xhyve for development. It was really very simple – I wanted to move my containers under a

Posted in Docker, Teknocratica Tagged with: , ,

Run GitLab under Docker

My current project includes migrating my corporate site at will between cloud providers – including my own personal dev environment. So I could use OpenShift, possibly Cloud9, etc. but I already have so much running fine as a standalone VM.

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OpenStack Kilo and Docker: CentOS 7 Integration

Found a number of references but here’s the recipe from zero to hero. References Useful writeup on CentOS 7: https://ask.openstack.org/en/question/67682/docker-setup-on-kilo/ Discussion of Docker storage: http://www.projectatomic.io/blog/2015/06/notes-on-fedora-centos-and-docker-storage-drivers/ Writeup on resize Docker storage: https://jpetazzo.github.io/2014/01/29/docker-device-mapper-resize/ CentOS 7 bug with overlayfs on XFS filesystem (obviates

Posted in OpenStack, Teknocratica Tagged with: , ,

OpenStack One-Liners

Hi All. Here are some interesting one-liners I’ve used. Hope they help! And by “one-liner”, of course, I mean “a bunch of commands all typed on one line” ๐Ÿ™‚ All one-liners assume you have sourced in your RC file so

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OpenStack Tenants and Nagios Integration Script

Hi All! A detailed article to integrate OpenStack tenants with Nagios! While my promised articles on implementing High Availability within OpenStack (which I’ve done now for Icehouse and Kilo) are still just in my brain, here’s something else to keep

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OpenStack HA: Part 01: Accounts

Here is a writeup on what I did to implement HA within OpenStack Icehouse. I’m currently working on revamping / automating the entire process for Kilo – but that will be a while from now. We’ll walk through the entire

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OpenStack Client Tools: Mac Install Errors

Today’s adventure is on the Mac OSX Mavericks, we tried to install OpenStack client tools and had some failures. Read on to see how we work around it.

Posted in Cloud, Mac, OpenStack, Teknocratica Tagged with: , , ,

OpenStack: Debugging Neutron DHCP Failures

Hi All. Today’s adventure touches on a common OpenStack Neutron theme: “I just created a VM. It’s running. It says it has an IP address. And I can’t ping it!!” Read on for how we debugged that in our lab.

Posted in Cloud, Network, OpenStack, Teknocratica Tagged with: , , ,