alloc_young的专栏

1. git checkout to previous branch git checkout - like cd -,  - is an abbreviation of @{-1}, @{-n} denotes the nth previous branch. 2. @{n}, ref@{n} the nth rev of ref/current branch  git show @{1

通过之前的步骤，一个基本的虚机环境就建立起来了，接下来就可以编译linux内核：一种方式是直接从kernel.org上面拿最新的代码来编译，基本步骤如下： １．　获取配置，使用本机的配置文件 　　cp /boot/config-`uname -r` .config && make olddefconfig 2. 编译 　　　make -j $(nproc) ３.安装mo...

 screen 是一款多窗口模拟软件，可以设置lock功能将session锁住，但是这个可以绕过密码检查机制，直接实现无密码登录， 具体过程记录如下： 1. 首先根据screen lock过程中的提示，找到这个提示的地址， 提示如下，要求输入密码。 Screen used by root <root>. Password: 这个字符在rodata端可以通过如下命令，把所有的字符都...

vim highlight extrawhitespace：:highlight ExtraWhitespace ctermbg=red guibg=red :match ExtraWhitespace /\s\+$/http://vim.wikia.com/wiki/Highlight_unwanted_spaces

源地址： http://ftp.rpm.org/max-rpm/index.html

From wiki: avahi is a free zero-configuration networking (zeroconf) implementation, including a system for multicast DNS/DNS-SD service discovery. Avahi is a system which enables programs

https://wiki.archlinux.org/index.php/Persistent_block_device_naming

#!/usr/bin/python import struct import sys elfhdr = {} def verify_elf(filename): f = open(filename,'rb') elfident = f.read(16) magic = [ord(i) for i in elfident] if( magic[0] != 127 or magic[1]!=

telnet has default open port 23, which will remote login. But it has much more functions and can almost any network service. it'll help you learn network protocols and debug new developed ones. 1.

xterm config

Please ref to this page: http://www.ibm.com/developerworks/cn/linux/l-cn-screen/ screen basic usage: 1. screen can exit if even you log out or ssh session terminated. That feature is very usefull

create a new xterm window and run some command, after the command executed, keep the window. xterm -hold -e "cmd"

http://techtinkering.com/2013/04/02/connecting-to-a-remote-serial-port-over-tcpip/

http://ergoemacs.org/emacs/elisp.html

#pragma GCC dependency#pragma GCC dependency allows you to check the relative dates of the current file and another file. If the other file is more recent than the current file, a warning is issued. T

使用remote-gdb调试android代码： 在一个终端上： ./emulator -show-kernel -kernel zImage -qemu -cpu cortex-a8  -d in_asm -gdb tcp::1234 -S 另一个终端： alloc@linux-q1tz:~/skyeye/armv7/armv7_goldfish_testcase> ~/CodeSo