Reprinted from: http://www.cyberciti.biz/tips/top-linux-monitoring-tools.html Need to monitor Linux server performance? Try these built-in command and a few add-on tools. Most Linux distributions are equipped with tons of monitoring. These tools provide metrics which can be used to get information about system activities. You can use these tools to find the possible causes of a performance problem. The commands discussed below are some of the most basic commands wh...

Synaptic is a front-end for the apt package management system. The program allows you to perform all actions of the command line tool apt-get in a graphical environment such as installing, upgrading, downgrading and removing of single packages or even upgrading your whole system. The upcoming Ubuntu Linux version 11.10 (code named Oneiric Ocelot) has removed Synaptic Package Manager. To be frank, someone may never used such Synaptic or so called the Software...

跨行匹配在sed里算不上是个难点，但绝对能考验一个人的sed基础…… 这里就以《sed & awk》一书中的例子(高级sed命令章节)作为对象，或者直接参看CU的这篇帖子：http://bbs.chinaunix.net/thread-1685452-1-1.html，具体分析一下代码思路和执行过程，我也是大菜鸟，有不对的地方，还望各位指出…… 首先明确一下几个概念： b label Branch to label; if label is omitted, branch to end of script. h H    Copy/append pattern space to hold space. g G    Copy/append hold space to pattern space. D      Del...

Somedays ago, I've published 2 articles to share with you about: 1. Some technical pictures: http://scmbob.org/some_useful_tech_pictures.html 2. Emacs mind mapping: http://scmbob.org/emacs_manual_pictures.html And here is another useful post about how to use "vim foldmethod": http://scmbob.org/vim_fdm.html Today, I'd like to share with you some vim mind mapping pictures, I think vim is also one of our favorite editors both in Linux and Windows, at least, I only use vim: ...

声明：本文转载自IBM中国，more information, pls refer to: http://www.ibm.com/developerworks/cn/linux/l-cn-nohup/index.html 简介： 想让进程在断开连接后依然保持运行？如果该进程已经开始运行了该如何补救？ 如果有大量这类需求如何简化操作？ 我们经常会碰到这样的问题，用 telnet/ssh 登录了远程的 Linux 服务器，运行了一些耗时较长的任务， 结果却由于网络的不稳定导致任务中途失败。如何让命令提交后不受本地关闭终端窗口/网络断开连接的干扰呢？下面举了一些例子， 您可以针对不同的场景选择不同的...

---------------------- Reproduced statement: All the commands bellow are from "All commands" site, it's an amazing site, welcome to visit it: http://www.commandlinefu.com/commands/browse 1. clear screen, keep prompt at eye-level (faster than clear(1), tput cl, etc.) c() printf "\33[2J" this leaves the cursor at the bottom of the terminal screen, where your eyes are. ctrl-l moves it to the top, forcing you to look up. anticipated question/argument: how is it faster than an ...

Pls also see my other 2 posts about: 1. The emacs pictures: http://scmbob.org/emacs_manual_pictures.html 2. The vim pictures: http://scmbob.org/vim_mind_mapping.html Here I list some of very useful technical pictures, you must be like them. 1. Unix history: 2. Following is the login frame of my laptop cygwin: 3.  Thinkabout Sed: 4. Perl REGEX: 5-6. Thinkabout Awk: 7. Thinking iptables: 8. Cron: 9. Git structure: