Kubernetes labels cheatsheet
Quick commands to work with labels
Đạt Trần
Create and use ConfigMap in Kubernetes With Diagram
Create ConfigMap from YAML file Create and use configmap from single values That would create a configmap with a key myval1 = 10000 Of course, you can use multiple –from-literal blocks in a single command. Use a single value from configmap in pod yaml Create and use multiple environment variables from file If you plan … Read more
Creating Kubernetes Replication Controller in 5 Minutes
Let’s look at the following diagram to create Kubernetes Replication Controller: What to remember when creating ReplicationController apiVersion: v1 You can define number of replicas, selector and template under spec spec->template has its own spec section along side metadata You specify containers’ related attributes under template‘s spec Create ReplicationController YAML file example Đạt TrầnI build … Read more
PostgreSQL Docker client-only Image
Recently I had to write a bash script to truncate all tables on a test database server. Using PgAdmin is a real pain since I have a lot of tables and databases. In addition, I need to do this quite frequently. And I also didn’t want to install Postgres on my machine. The requirement is … Read more
Install Kubernetes Cluster With Kubeadm On Ubuntu Step By Step
I’ve been trying installing a Kubernetes cluster for while following the official documentation without any success. It turned out the official documentation was missing some important steps (or they put the missing steps else where I couldn’t find). Anyways, if you are struggling to get a Kubernetes up and running, this step by step tutorial … Read more
How To Set Static IP To VirtualBox VM
Set static IP for VirtualBox VM so you can ping from host and other VM in less than 5 minutes