The good news is that Microk8s can now be deployed in a multi-node architecture. And it’s simple to do. This video “https://www.youtube.com/watch?v=dNT5uEeJBSw” is a nice demonstration. It uses a floating IP between the cluster nodes that removes the need to use a load balancer in front of your cluster. Start
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Join Windows 10 to Azure AD (365)
If you have a “Work or School” Office 365 account, you’re likely able to use it as your Windows Domain service, allowing you go join your Windows 10 Pro (or higher, but not Home) to it as a domain member much like you would with an on-prem domain controller We’ll
Read moreFail2Ban with MySQL Database for IP Blacklisting
This article demonstrates how to configure Fail2Ban to use a MySQL (or MariaDB, etc) as the storage repository for IP blocking records. This allow multiple Fail2Ban services (running on multiple servers) to report and use a central IP blocking repository. A little context. In this article, we’re installing everything on
Read moreGeoBlocking with Apache on CentOS and Ubuntu
This article describes how to protect your Apache web server by restricting which countries can access it. We’re using Apache on CentOS 7 but Ubuntu instructions are included and are very similar. I’ve given two examples; one on whitelisting everything except what we want to block, and blacklisting everything except
Read more2FA with SSH on Ubuntu | Google Authenticator
This article walks you through the process of enforcing 2FA on Ubuntu using the Google Authenticator. All of these steps are completed on the system that you want 2FA to be enforced on. Important notes: * SSH key-based logins bypass the 2FA component of the login verification process. * Users
Read moreAnsible To Get Linux OS Version Details
This article shows the Ansible playbook used to query target systems to get their version details. Ie, the details obtained from “/etc/*release”. — – hosts: all # remote_user: root # become: yes tasks: – debug: msg: – “ansible_distribution {{ hostvars[inventory_hostname].ansible_distribution }}” – “major version {{ hostvars[inventory_hostname].ansible_distribution_major_version }}” – “version {{
Read moreKubernetes (MicroK8s) Part 3 – Exposing Applications on Ubuntu 20.04
This article continues from Part 2 – Replica Sets and Scaling. Our objective in this article is to get an application exposed to the wider network on an IP address of the host and a port of our choice. The IP address will be “10.0.0.210” and our port of choice
Read moreKubernetes (MicroK8s) Part 2 – Replica Sets and Scaling on Ubuntu 20.04
This article continues from Part 1 – Installation and configuration. We can create a replica set (replicateset) or “rs” for short, so we can scale an application to meet demand. Create a file on the Kubernetes host called “my-rep-set.yaml” and populate it with the following: Tip: This is just an
Read moreKubernetes (MicroK8s) Part 1 – Installation on Ubuntu 20.04
This article walks you through the process of installing the minimal Kubernetes environment on Ubuntu 20.04. Kubernetes comes in two forms; a single node cluster and a multi-node cluster. In this walk through, we’ll be using the single node cluster called MicroK8s. I suggest starting with a Ubuntu 20.04 server
Read moreMultiple Google Routers in Bridge Mode – My Experience
This article discussed my experiences with the Google Home WIFI Router. Specifically, my experience trying to get multiple access points working on the same network in Bridge mode rather than NAT mode. The documentation states that a Google Home Router can’t be in Bridge mode and work with additional access
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