bugcy013

import imaplib

user = '[email protected]'
password = 'xxx'
imap_url = 'imap.gmail.com'

con = imaplib.IMAP4_SSL(imap_url)
con.login(user=user, password=password)
print con.list()

bugcy013

1.a-  kubectl run

kubectl get pods
kubectl run first-deployment --image=nginx
kubectl get pods
(maybe one more time to show the state changed from container creation to Running)
(copy the pod name from get pods)
kubectl exec -it pod-name -- /bin/bash
echo Hello nginx! > /usr/share/nginx/html/index.html
apt-get update

bugcy013

# how to take tcpdump 
$ tcpdump -i em2 -s0 -vv -w 20190313_1.pcap

# how to filter the msg.
$ editcap -F libpcap -A "2019-03-14 09:30:00" -B "2019-03-14 09:31:00" 20190314_0846.pcap 20190314_0846_m.pcap

bugcy013

• date +"%T.%N" returns the current time with nanoseconds. 06:46:41.431857000
• date +"%T.%6N" returns the current time with nanoseconds rounded to the first 6 digits, which is microseconds. 06:47:07.183172
• date +"%T.%3N" returns the current time with nanoseconds rounded to the first 3 digits, which is milliseconds. 06:47:42.773

bugcy013

# -*- mode: ruby -*-
# vi: set ft=ruby :

# All Vagrant configuration is done below. The "2" in Vagrant.configure
# configures the configuration version (we support older styles for
# backwards compatibility). Please don't change it unless you know what
# you're doing.
Vagrant.configure("2") do |config|
  # The most common configuration options are documented and commented below.
  # For a complete reference, please see the online documentation at

bugcy013

Kubernetes - Quick Command Reference

Here's a run down of all (ok, most of) of the commands used in the Kubernetes Microservices course

Minikube

minikube start

starts minikube.

minikube stop

stops the minikube virtual machine. This may be necessary to do if you have an error when starting

minikube delete

bugcy013

import redis
import json
import traceback


def r_publisher():
    try:
        r = redis.StrictRedis(host='localhost', port=6379)
        sample_dict = json.dumps(dict(x=5, y=0))
        r.lpush("dhana", sample_dict)

bugcy013

import json
import traceback
import redis


def r_subscriber():
    try:
        r = redis.StrictRedis(host='localhost', port=6379)
        while r.llen('dhana') != 0:
            x = r.lpop('dhana')

bugcy013

input {
	  file {
		      path => "/tmp/*.log"
	}
}

filter {
	if [message] =~ /ERROR/ {
			mutate {
				copy => { "path" => "path_tmp" }

bugcy013

To Download package and store the local 'tmp' folder.
$ pip download -d tmp conan

To install package from chache folder.
$ pip install -r requirements.txt --no-index --find-links file:///home/emadmin/dhana/conan