There are many tools out there to provision single-node Kubernetes clusters, but kubeadm is the way to go for a production-like set-up. Although it is more difficult to create a cluster with kubeadm, you can tweak the cluster to your needs with its configuration options. Following this post, you can easily create a Single-node Kubernetes Cluster using kubeadm on Ubuntu 22.04.Continue reading Simple Single-node Kubernetes Cluster via kubeadm on Ubuntu 22.04
All posts by Oliver Radwell
Surprising Items You Cannot Recycle
Is the item you’re putting into the recycling, recyclable? According to the BBC, councils failed to recycle 338,000t waste in 2014-15. In the UK, recycling plants send most of the rejected recycling for incineration.
Pringles cansContinue reading Surprising Items You Cannot Recycle
Go Program for a Unique Twitter Profile Banner
Do you think your Twitter profile banner is boring? Do you wish there was something that could rotate your Twitter banner images? Maybe what you want is to brag about your Twitter account statistics on your profile banner to make a unique Twitter profile banner. This article showcases a Go program that does just that.
Retrieve User Statistics from Twitter
We will authenticate with Twitter API using OAuth 2.0 to retrieve the statistics for the given Twitter profile. To achieve this, we need the Go oauth2 package.
You can find the code for user data in user_data.go.Continue reading Go Program for a Unique Twitter Profile Banner
Install Mozilla VPN RPM from Binary on Fedora
Mozilla VPN is a VPN solution that uses the WireGuard protocol. Unfortunately for Fedora users, there’s no official guide on installing it for Fedora. That said, since 6th July 2021 there are Mozilla VPN RPM packages on GitHub Actions. This article will show you how to get these RPMs.Continue reading Install Mozilla VPN RPM from Binary on Fedora
DNF Trying to Use SQLite Backend Warning
If you keep getting the following warning after upgrading to Fedora 33:
warning: Found bdb Packages database while attempting sqlite backend: using bdb backend.
Try rebuilding RPM database:
If that results in:
error: can't create transaction lock on /var/lib/rpm/.rpm.lock (Permission denied)Continue reading DNF Trying to Use SQLite Backend Warning
Silly but This Is a WordPress Blog Running on Kubernetes
You probably think it’s overkill to use Kubernetes for a WordPress blog with less than a thousand monthly visitors. While this may be true, it’s totally worth using Kubernetes for the bragging rights. This is a WordPress blog running on Kubernetes!Continue reading Silly but This Is a WordPress Blog Running on Kubernetes
Famous Vegans You May Know
People don’t often reveal their diet but some celebrities are very vocal about their views on animal welfare. Scroll down to see 10 famous vegans you may not know were vegans.
Bialik is known for playing neuroscientist Amy Farrah Fowler in Big Bang Theory. Handy for Bialik’s role in the series, she’s also a neuroscientist in real life. Not only is she a vegan, but she has also written a vegan cookbook too. Her book is called Mayim’s Vegan Table which contains 100 plant-based recipes.Continue reading Famous Vegans You May Know
Philips BG2036 Body Groomer Battery Replacement
If you own a Phillips BG2036, you probably had it for a while because it’s quite an old product. Certainly, by now, its battery is not functioning as good and you probably need to replace it now.Continue reading Philips BG2036 Body Groomer Battery Replacement
Expert Update Statements with Joins on MariaDB
You can use UPDATE statement in Structured Query Language (SQL) to modify values in the matching rows. However, only some people know that you can use JOINs in UPDATE queries. For example, by using JOINs we can retrieve additional data from other tables or exclude some rows from our update. Soon you will learn how to write update statements with joins on MariaDB / MySQL.Continue reading Expert Update Statements with Joins on MariaDB
Ultimate Way of Installing Metrics Server for Production Kubernetes Clusters
Metrics are very important in your Kubernetes cluster because you need them to monitor the pod resource usage. You also need metrics to trigger an autoscale using an Horizontal Pod Autoscaler (HPA). Metrics Server provides CPU and memory metrics so you can see them in Kubernetes Dashboard’s fancy graphs.Continue reading Ultimate Way of Installing Metrics Server for Production Kubernetes Clusters