Kubernetes Performance Tuning and Hardening Guide
Table of Content I. Control Plane Hardening and Tuning Preparing control plane hosts Tuning kube-api server api operation latency Tuning
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Scan Docker Images for Security Vulnerabilities using Clair
In this article, we will do vulnerability scanning of Docker container images using Clair. In CentOS7 VM (centos7-test-01), I am
Continue readingDifference between soft and hard links
In this article we will see the main difference between soft link and hard link 1. inode number: Source file
Continue readingTroubleshooting scenarios when ping localhost fails
Troubleshooting scenarios when ping localhost fails In this article, we will explore different scenarios where and all the ‘ping localhost’
Continue readingSRE/DevOps/Cloud Enginner Preparation tips
Ref. Source: https://twitter.com/gh05t_r00t 1) How to serve static content via web server 2) How to do proxy-passing, add basic auth,
Continue readingArt of decision making
– Ref source: Thirukkural A fool will act first and then think, where as wise-men will think first then act One
Continue readingSetting up your own private Docker registry
In this article, we are going to set up our private Docker registry in CentOS7 VM. We are going to
Continue readingLinux server Hardening
Linux Server Hardening steps: 1. Setting message of the day, banner /etc/motd 2. Creating Admin service accounts 3. Setting Password
Continue readingPython script to create ‘N’ number of user IDs from CSV file
Let us write a python script to create ‘N’ number of user IDs in Linux server. Script Input: a CSV
Continue readingProvisioning Kubernetes cluster using Ansible and Kubespray
Kubespray is a collection of Ansible Playbooks, inventory and provisioning tools. Here, we are going to use below 3 VMs
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