stephonchen

• Install Oracle Linux in VirtualBox

• Before shutdown, be aware to do these things

  • Edit /etc/default/grub
    • Remove splash & quiet & rhgb
    • Add console=ttyS0,38400n8d
  • Update grub

    sudo grub2-mkconfig -o /boot/grub2/grub.cfg
    

stephonchen

• Write Raspbian image to SD card
• Enable SSH access by Putting 'ssh' to boot directory

touch /Volumes/boot/ssh

• Configure network by using
  • Wire (with DHCP support)
  • WiFi (/Volumes/boot/wpa_supplicant.conf), and sample

country=TW

stephonchen

• Amazon Aurora storage demystified: How it all works (DAT309-R1)

• BPF performance analysis at Netflix (OPN303-R1)

• Best practices to become data-driven with AWS (ENT236)

stephonchen

kubectl get namespace annoying-namespace-to-delete -o json > tmp.json
# Edit tmp.json, and remove contents in finalizers with empty array []
curl -k -H "Content-Type: application/json" -X PUT --data-binary @tmp.json https://kubernetes-cluster-ip/api/v1/namespaces/annoying-namespace-to-delete/finalize

stephonchen

#!/usr/bin/node

// use puppeteer 0.12.0
// since puppeteer has problems in socks5
// use polipo as a http proxy, which parent proxy is tor (localhost:9050)

var time = require('time');
var sleep = require('sleep');

const random_max = 10;

stephonchen

#!/usr/bin/osascript
(* Set Volume to 100 *)
set volume 100
tell application "System Preferences"
    activate
    set current pane to pane "com.apple.preference.sound"
    reveal (first anchor of current pane whose name is "output")
end tell
tell application "System Events"
    launch

stephonchen

Uplink
set interfaces ge-0/0/0 unit 0 family ethernet-switching