John-Lin

#!/usr/bin/python

from mininet.topo import Topo

from mininet.cli import CLI
from mininet.net import Mininet
from mininet.util import dumpNodeConnections
from mininet.log import setLogLevel

from mininet.node import RemoteController

John-Lin

#!/usr/bin/env python
"""Run `snort -A console` command using a pipe.

Warning! Alerts are delayed until snort's stdout buffer is flushed.
"""
from __future__ import print_function
from subprocess import Popen, PIPE, STDOUT

snort_process = Popen(['snort', '-A', 'console', '-c', 'snort.conf'],
                      stdout=PIPE, stderr=STDOUT, bufsize=1,

John-Lin

namespace('iperf', function () {
  desc('Iperf server receiving 64 byte');
  task('s64', { async: true }, function () {
      var cmds = ['iperf -s -u -l 64 -i 1'];
      jake.exec(cmds, { interactive: true }, function () {
        complete();
      });
    });

  desc('Iperf server receiving 128 byte');

John-Lin

# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/xenial64"
  config.vm.provider "virtualbox" do |vb|
    vb.customize ['modifyvm', :id, '--nictype1', 'Am79C973']
    vb.customize ['modifyvm', :id, '--nicpromisc1', 'allow-all']
  end
  config.vm.provision :shell, path: "bootstrap.sh"
end

John-Lin

# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/xenial64"
  config.vm.provider "virtualbox" do |vb|
    vb.gui = true
    vb.customize ['modifyvm', :id, '--nictype1', 'Am79C973']
    vb.customize ['modifyvm', :id, '--nicpromisc1', 'allow-all']
  end
  config.vm.provision :shell, path: "bootstrap.sh"

John-Lin

+---------+ +-----------+                                                              
|ovs-ofctl| |sFlow Trend|                                                                         
+----^----+ +-----^-----+                                                                         
     |            |                                                                      Remote   
+-----------------------------------------------------------------------------------------------+   
     |            |                                                                               
     |      sFlow |                                                                               
     |            |  +---------+   +----------+             +---------+   +------------+          
     |            |  |ovs-dpctl|   |ovs-appctl|             |ovs-vsctl|   |ovsdb-client|          
     |            |  +----+----+   +------^---+             +-----+---+   +-------^----+          

John-Lin

Network performance testing tool

iperf

HOST to HOST

iperf -c 10.240.0.2 -p 12345 -i 1 -t 10 -w 20K

iperf -s -p 12345 -i 1 -M

John-Lin

from ryu.base import app_manager
from ryu.controller import ofp_event
from ryu.controller.handler import CONFIG_DISPATCHER
from ryu.controller.handler import set_ev_cls
from ryu.ofproto import ofproto_v1_3


class Switch(app_manager.RyuApp):
    OFP_VERSIONS = [ofproto_v1_3.OFP_VERSION]

John-Lin

Minikube

Installation

$ curl -Lo minikube https://storage.googleapis.com/minikube/releases/v0.24.0/minikube-darwin-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/

Quickstart

John-Lin

Deploy Kubeflow on Minikube

Install minikube

Please see How to Minikube

Running a minikube with 4CPUs and 8GB memory

$ minikube start --cpus 4 --memory 8192