Archive for category 默认
linux 技巧：使用 screen 管理你的远程会话
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
- Don’t reinvent the wheel.
- Use open source.
- Automate everything.
- Design for scale – plan to be lazy from the start.
- Design for hardware manageability.
- Use good cluster management software – don’t dig wells with teaspoons.
- Use open source monitoring solutions.
- Control your users with a queuing system.
- Verify you get what you pay for – benchmark it!
- Manage cluster communication.
- Look for ways to become lazier.
冬日的萧条真的来了吗？
一个个离去，个中滋味，很难过。
记得看toplee的日志，看这冬天，感觉也很不爽。
中午还讨论周末一起去篮球，这个约定也许要无限期推延了。
朋友不错，工作上的东西，真的很无奈。
一路走好！
linux/freebsd检查硬盘坏道
linux 下用 badblock,freebsd 利用硬盘的S.M.A.R.T功能来做.
badblocks
功能说明：检查磁盘装置中损坏的区块。
语法：badblocks [-svw][-b ][-o ][磁盘装置][磁盘区块数][启始区块]
补充说明：执行指令时须指定所要检查的磁盘装置，及此装置的磁盘区块数。 Read the rest of this entry »
PXE Magic: Flexible Network Booting with Menus
Original post by http://www.linuxjournal.com/article/9963
Go Green, Save Green with Linux
Original post by http://www.linuxjournal.com/article/9874
Backups to the Future: Eliminate Tape Backups with FreeNAS and Bacula
Original post by http://www.linuxjournal.com/article/9974