This series contains something that is too short to be a blog, so put them all here, chronologically. 02/25/2019 hostPath in Pers ...

Kubernetes version 1.13.2 Today I spend some time to investigate how to remove nodes from the k8s cluster that built by kubeadm. F ...

Problem I want to offline install some rpms for an application, I put all dependencies for that application in a dedicated directo ...

This article used to walk you through some commonly yum and rpm usages , based on a real life scenario. ########################## ...

Designed for data extraction and reporting. awk is its own programming language itself and contains a lot of really good tools, en ...

I need to clean yum pending or unfinished transactions before our installer start to work, otherwise the yum update or yum install ...

Now, let’s practice what we have learned from Offline package Installation I. For example, I want to install docker and kubeadm et ...

When I was working on the upgrade DS k8s installer issue, I ran into the problem that I need to install ansible, docker and kubead ...

This blog reformats and builds on top of this stackoverflow topic. Big thanks to rahmu and people contributed. Problem Let’s say t ...

More information please see man bash, it has comprehensive information. This blog collects the commonly used code snippets based o ...