mateimicu

K8s on Hetzner Cloud

Sun, 12 Jul 2020 17:42:29 +0300

I was looking at having a long-running k8s cluster for testing and pet projects, Hetzner Cloud looks like a good initiative.

Masters Degree First Year Update.

Sat, 10 Nov 2018 20:03:53 +0200

Update for the first year, it wasn’t quite weekly like mentioned in the last post ;). Because some time passed I’ll only give a short summary.

Certifications

Sat, 28 Apr 2018 00:15:43 +0300

Slides

Sat, 28 Apr 2018 00:15:43 +0300

List with various slides, workshops and presentations.

Create Virtualbox Networks

Sat, 21 Apr 2018 16:34:20 +0300

How to create more Networks in Virtualbox. Go to : File -> Preferences… -> Network You will find two tabs: NAT Networks Host-only Networks You can use the + button to add more networks or the Edit button to find out informations like: IP Addresses Network Masks If DHCP is enabled

Install Openstack RDO

Sat, 21 Apr 2018 15:32:13 +0300

Install RedHat Deployment of OpenStack using Packstack. Packstack is a wrapper over a collection of Puppet manifests that install a specific release of OpenStack Prerequisite’s A virtual Machine with CentOS 7 Minimal with the following configurations: at least one NAT network at least one Host-Only network 8GB+ RAM 50GB+ disk space enable nested paging enable VT-x/AMD-v You can follow this article to prepare it. To enable support for vitalization (nested paging and VT-x/AMD-v) you can go to: Settings -> System -> Acceleration Conventions When you have successfully booted the VM you should have at least two network interfaces:

Install Openstack Labs

Sat, 14 Apr 2018 00:55:44 +0300

Openstack Training Labs is a python project that installs a new OpenStack cluster in two virtual machines. It is an easy way to provision a working deployment for testing/development purposes. It works like docker-machine or boot2docker: spawn two VM’s using a guest Hyper-visor (supports VirtualBox and KVM) copy bash scripts in the machine and run it (this will install the OpenStack Components) port-forward some services from the NAT provided by the Hyper-visor to the guest machine All the documentation can be found here, it goes in greater details about the setup.

Docker Dynamic Commands

Mon, 04 Dec 2017 19:51:58 +0200

When learning docker an interesting question you may have is: What happens with commands that install software when rebuilding an image.