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VIM since its inception, after constant innovation, now the latest version of Vim has a very powerful function, so that users can more easily and conveniently use it. 5.1 Vim's working mode 5.1.1 Command mode is in command mode when you start to enter Vim, press <ESC> to return to command mode if you are already in insert mode or last line mode. In this mode, you can only use the key command, you cannot enter text. 5.1.2 Insert mode insertion mode is to insert the text into the file to be edited, insert position according to the command used ...

In order to facilitate the use of VIM, and enable beginners to quickly start, special from the online summary of some of the most common Vim shortcut keys, to share to everyone: VI Common shortcut key cursor Control command &http://www.aliyun.com/zixun/aggregation/  37954.html ">nbsp; The cursor moves h or ^h to the left one character J or ^j or ^n down a line K or ^p &n ...

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I believe you have seen in many places "Docker based on Mamespace, Cgroups, chroot and other technologies to build containers," but have you ever wondered why the construction of containers requires these technologies? 　　Why not a simple system call? The reason is that the Linux kernel does not have the concept of "Linux container", the container is a user state concept. Docker software engineer Michael Crosby will write some blog posts and dive into Docke ...

I. Introduction We often see some similar in the program disassembled code 0 × 32118965 this address, the operating system called linear address, or virtual address. What is the use of virtual address? Virtual address is how to translate into physical memory address? This chapter will give a brief account of this. 1.1 Linux Memory Addressing Overview Modern operating systems are in 32-bit protected mode. Each process can generally address 4G of physical space. But our physical memory is generally hundreds of M, the process can get 4 ...

Last article we said memcached to achieve high availability and prevent a single point of failure can be implemented through magent, next we configure a highly available cluster magent proxy server: 192.168.200.101 memcached node: ( Can be on the same server to open three memcached node to see the previous introduction, can also be one server one memcached:192.168.200.100 11000 port memcached:192.168.2 ...

Wait, is it necessary to remember so many shortcuts? It's so complicated! We strongly recommend that you remember to significantly improve operational efficiency. And this is the key binding of the ReadLine control, which you can use in any program that uses the ReadLine control. For example, Bash, lftp, gdb and other programs, and Linux, the most famous Emacs editor, but also this style of the key binding (in fact, the ReadLine using Emacs-style key binding to), and even Firefox, can also use similar style of shortcut keys ...

There are a number of very useful tools available for Linux administrators to choose from. Here, I'm just enumerating 5 of the tools that Linux administrators need to use in their day-to-day operations. I think that the most powerful tools may not be appropriate for your use, and there are certain tools I forgot to count them in, and if so, I implore you to write down the tools I didn't include in the comments. In addition, the tools mentioned in this article are only optional, not everyone must need them, and the tools that are not mentioned are not meant to be used by Linux administrators, like s ...

You can change the key bindings by modifying the/etc/inputrc file. It is recommended that you use the default key bindings to avoid unnecessary annoyance. Of course, Emacs-style key bindings are generic and can be used at any time. Add the row to the file to set the ReadLine key binding to VI style. (Bash, LFTP, etc. using ReadLine software at the same time) set Editing-mode VI found this line: $if Mode=emacs below it add the following ...