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Kubernetes cheatsheet

• Kubernetes cheatsheet
  • Getting Started
  • Sample yaml
  • Workflow
  • Physical components
    • Master
    • Node
• Everything is an object - persistent entities

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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/*==== The VPC ======*/
resource "aws_vpc" "vpc" {
  cidr_block           = "${var.vpc_cidr}"
  enable_dns_hostnames = true
  enable_dns_support   = true
  tags = {
    Name        = "${var.environment}-vpc"
    Environment = "${var.environment}"
  }
}

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Clone git repo

git clone --mirror https://github.com/miztiik/lex-faq-bot.git __tmp
cd  __tmp

Git push to repo1

git push https://github.com/anilshrish/lex-faq-bot1.git --all
git push https://github.com/anilshrish/lex-faq-bot1.git --tags

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-- # users table
SELECT * FROM ab_user;

-- # role table
SELECT * FROM ab_role;

-- # user and role mapping
SELECT * FROM ab_user_role;

-- # update role_id for user

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#!/bin/bash

if [[ "$OSTYPE" == "linux-gnu"* ]]; then
	alias gsed=sed
fi

NEW_PATTERN="_v2"
# find . -type f -exec gsed -i '/^data /s/" {/_v2" {/' {} +
# find . -type f -exec gsed -i '/^resource /s/" {/_v2" {/' {} +
find . -type f -exec gsed -i "/^data /s/\" {/${NEW_PATTERN}\" {/"     {} +

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#!/bin/sh
# =============================================================================
#  Author: Chu-Siang Lai / chusiang (at) drx.tw
#  Filename: teams-chat-post.sh
#  Modified: 2018-03-28 15:04
#  Description: Post a message to Microsoft Teams.
#  Reference:
#
#   - https://gist.github.com/chusiang/895f6406fbf9285c58ad0a3ace13d025
#

anilshrish

mdadm

Glossary:

• md: multiple devices

command	description
cat /proc/mdstat	show status of all raids
mdadm --detail /dev/md0	detailed status of raid md0

anilshrish

from functools import wraps
import time
import logging
import random

logger = logging.getLogger(__name__)


def retry(exceptions, total_tries=4, initial_wait=0.5, backoff_factor=2, logger=None):
    """