k5yisen

from collections import namedtuple
def coroutine(func):
    def start(*args, **kwargs):
        cr = func(*args, **kwargs)
        next(cr)
        return cr 
    return start

# @coroutine

k5yisen

def solution(n):
    roman_numerals = {1000:'M',
                      900: 'CM',
                      500: 'D',
                      400: 'CD',
                      100: 'C',
                      90: 'XC',
                      50: 'L',
                      40: 'XL',
                      10: 'X',

k5yisen

Update the package index

sudo apt-get update

Update packages required for HTTPS package repository access

sudo apt-get install -y apt-transport-https ca-certificates curl software-properties-common gnupg lsb-release

Load br_netfilter module

k5yisen

KUBERNETES OFFLINE INSTALLING

1- Docker Download

yum install -y epel-release

yum install -y yum-utils

yum-config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo

k5yisen

Notes

Kubernetes

sudo certbot certonly -d nexus.local --nginx

kubectl config view --flatten=true --minify=true > kubeconfig.yml

kubectl debug node/node10 -it --image=docker.io/ubuntu-debug:0.0.5

kubeadm token create --print-join-command

k5yisen

Devops Tools

My favorite DevOps tools, which I actively use, are:

• Jenkins: An open-source automation server for continuous integration and continuous delivery.
• Docker: A platform for building, packaging, and distributing containerized applications.
• Kubernetes: An open-source container orchestration platform for automating deployment, scaling, and management of containerized applications.
• Ansible: An open-source automation tool for configuration management, application deployment, and task automation.
• Terraform: An open-source infrastructure as code tool for building, changing, and versioning infrastructure safely and efficiently.
• Prometheus: An open-source monitoring and alerting toolkit for collecting and analyzing metrics from various systems.
• Grafana: An open-source analytics and monitoring platform for visualizing metrics from multiple data sources.