Supereon Network Consultancy - Professional Network Design Solutions

May 6, 2020 Ferdi Bulbul

Kubernetes Node Deployment Problems

This entry is part 5 of 5 in the series Kubernetes

Error Messages The guest additions on this VM do not match the install version of VirtualBox. detected “cgroupfs” as the Docker cgroup driver. The recommended driver is “systemd” Unable to

April 26, 2020 Ferdi Bulbul

Kubernetes Worker Node

This entry is part 4 of 5 in the series Kubernetes

This includes the steps to implement a worker node using the ubuntu/xenial64 (16.04.6 LTS) image with Vagrant, and VirtualBox on Windows 10. Initialize the current directory to be a Vagrant

March 20, 2020 Ferdi Bulbul

Kubernetes Single Master Node

This entry is part 3 of 5 in the series Kubernetes

A single master cluster has one master node and can easily fail, while a multi-master cluster uses multiple master nodes, any of them has access to all worker nodes in

March 15, 2020 Ferdi Bulbul

Vagrant – Vagrantfile

Vagrant is a tool for building and managing virtual machine environments in a single workflow. Vagrant provides a simple and easy to use command-line client for managing these environments, and

March 10, 2020 Ferdi Bulbul

Kubernetes Components

This entry is part 2 of 5 in the series Kubernetes

Kubernetes is an open source platform for managing containerised workloads and services that facilitates declarative configuration and automation. The figure below shows the Kubernetes master and worker node components. MASTER

March 1, 2020 Ferdi Bulbul

Vagrant, VirtualBox on Windows 10

This entry is part 1 of 5 in the series Kubernetes

Vagrant is an open-source tool for building and managing virtual machine environments in a single workflow. With an easy-to-use workflow and focus on automation. You can, Create VMs Start, Stop,

January 17, 2018 Ferdi Bulbul

BGP Path MTU Discovery (PMTUD)

This entry is part 2 of 2 in the series MTU

BGP PMTUD allows BGP to discover the smallest MTU value on a path so that BGP messages are transmitted based on the path MTU. BGP packets are encapsulated in TCP

January 15, 2018 Ferdi Bulbul

Amazon New Regions/Availability Zones (Dec’17-Jan’18)

Amazon Global Infrastructure The AWS Cloud spans 50 Availability Zones within 18 geographic Regions around the world, with announced plans for 12 more Availability Zones and four more Regions in

December 20, 2017 Ferdi Bulbul

VMware acquired VeloCloud

In December 2017, VMware acquired VeloCloud, the market leader in cloud-delivered SD-WAN that enables enterprises and service providers to deploy flexible, secure WAN connectivity. VeloCloud’s cloud-delivered SD-WAN enables enterprises to

December 17, 2017 Ferdi Bulbul

MTU, IPv4 PMTUD, IPv6 PMTUD

This entry is part 1 of 2 in the series MTU

MTU A maximum transmission unit (MTU) is the largest length of a packet that can be transmitted out of an interface toward a destination. When the word MTU is used