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some tools for diagrams in software documentation

Diagrams For Documentation

Obvious Choices

ASCII

@calintech
calintech / OpenSSH_cheatsheet.md
Created April 19, 2020 13:52 — forked from mbodo/OpenSSH_cheatsheet.md
OpenSSH Cheatsheet

SSH SCP SSHFS Cheatsheet

SSH

Generate RSA 4096 bit key

ssh-keygen -f ~/.ssh/my_key_rsa -t rsa -b 4096

Check is ssh-agent is running

@calintech
calintech / kubernetes-cluster-using-kubespray.md
Created May 8, 2020 13:45 — forked from sau-lanvy/kubernetes-cluster-using-kubespray.md
Deploy a Production Ready Kubernetes Cluster using Kubespray with Ansible

Deployment Architecture

deployment architecture

System Configuration

  1. All kubernetes nodes: set SELINUX to permissive mode
$ vi /etc/selinux/config
SELINUX=permissive

$ setenforce 0