John-Lin

Keybase proof

I hereby claim:

• I am John-Lin on github.
• I am johnlin_ (https://keybase.io/johnlin_) on keybase.
• I have a public key whose fingerprint is 0412 942F AFE5 6937 4EF2 F245 F729 570C C1A6 E7BE

To claim this, I am signing this object:

John-Lin

# Configuration for Alacritty, the GPU enhanced terminal emulator.

# Any items in the `env` entry below will be added as
# environment variables. Some entries may override variables
# set by alacritty itself.
#env:
  # TERM variable
  #
  # This value is used to set the `$TERM` environment variable for
  # each instance of Alacritty. If it is not present, alacritty will

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

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

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

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

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

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

# -*- 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

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');