http://www.ibm.com/developerworks/cn/linux/l-cn-screen/

screen + 命令

C-a ? 显示所有键绑定信息

C-a w 显示所有窗口列表

C-a C-a 切换到之前显示的窗口

C-a c 创建一个新的运行shell的窗口并切换到该窗口

C-a n 切换到下一个窗口

C-a p 切换到前一个窗口(与C-a n相对)

C-a 0..9 切换到窗口0..9

C-a a 发送 C-a到当前窗口

C-a d 暂时断开screen会话

C-a k 杀掉当前窗口

C-a [ 进入拷贝/回滚模式

Lazy Linux: 11 secrets for lazy cluster admins

http://www.ibm.com/developerworks/linux/library/l-11sysadtips/index.html

The secrets are

  1. Don’t reinvent the wheel.
  2. Use open source.
  3. Automate everything.
  4. Design for scale – plan to be lazy from the start.
  5. Design for hardware manageability.
  6. Use good cluster management software – don’t dig wells with teaspoons.
  7. Use open source monitoring solutions.
  8. Control your users with a queuing system.
  9. Verify you get what you pay for – benchmark it!
  10. Manage cluster communication.
  11. Look for ways to become lazier.