shuangjj

http://nosemaj.org/howto-build-android-nexus-4
http://forum.xda-developers.com/showthread.php?t=2131953
http://forum.xda-developers.com/showthread.php?t=1772894


http://android-dls.com/wiki/index.php?title=HOWTO:_Unpack,_Edit,_and_Re-Pack_Boot_Images#Unpacking.2C_Editing.2C_and_Re-Packing_the_images

http://www.mydroidworld.com/topic/9778-how-to-create-an-insecure-boot-image/

===== Using abootimg

shuangjj

1. Networking on Android Emulator
http://developer.android.com/tools/devices/emulator.html#emulatornetworking

2. socket from bask
http://hacktux.com/bash/socket

3. common errors
no router - server ip is wrong
connection refused - disable firewall, check port number

shuangjj

== virtual FS ==
http://people.ee.ethz.ch/~arkeller/linux/multi/kernel_user_space_howto-2.html

== debug fs==
http://people.ee.ethz.ch/~arkeller/linux/multi/kernel_user_space_howto-2.html#debugfs
http://lwn.net/Articles/115405/

== libfs.c
http://tomoyo.sourceforge.jp/cgi-bin/lxr/source/fs/libfs.c#L582

shuangjj

Keybase proof

I hereby claim:

• I am shuangjj on github.
• I am shuang (https://keybase.io/shuang) on keybase.
• I have a public key whose fingerprint is 8B4F 9745 CBD0 7637 AE7F 649E 749C 07A0 41C2 3F82

To claim this, I am signing this object:

shuangjj

eris keys gen --> failed
-----------------------
docker run -it --entrypoint "/bin/bash" quay.io/eris/keys:alpine

bash-4.3$ eris-keys gen --no-pass
Could not connect to eris-keys server. Start it with `eris-keys server &`. Error: Post http://localhost:4767/gen:
dial tcp: lookup localhost on 8.8.8.8:53: no such host

bash-4.3$ go version
go version go1.5.4 linux/amd64

shuangjj

## Setup SSH terminal title
# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: ${PWD}\007"'

    # Show the currently running command in the terminal title:
    # http://www.davidpashley.com/articles/xterm-titles-with-bash.html
    show_command_in_title_bar()
    {

shuangjj

Never try to install docker-hypriot on beaglebone
---------------------------------------------------------

ubuntu@ubuntu-armhf:~/Downloads$ sudo dpkg -P docker-hypriot
(Reading database ... 16512 files and directories currently installed.)
Removing docker-hypriot (1.10.3-1) ...
 * Docker is managed via upstart, try using service docker stop
invoke-rc.d: initscript docker, action "stop" failed.
dpkg: error processing package docker-hypriot (--purge):
 subprocess installed pre-removal script returned error exit status 1

shuangjj

" Vim Configuration file with vundle plugin manager

" Use vim settings rather than vi settings
set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins

shuangjj

- List all i2c buses on BBB
`i2cdetect -l`
  i2c-0	unknown   	OMAP I2C adapter                	N/A
  i2c-2	unknown   	OMAP I2C adapter                	N/A
- Detect online i2c slaves
`sudo i2cdetect -y -r 2`
  0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
  00:          -- -- -- -- -- -- -- -- -- -- -- -- -- 
  10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
  20: -- -- -- -- -- -- -- -- -- 29 -- -- -- -- -- -- 

shuangjj

0x8d07f72520e72e2e753be34723d50813d938b79b