mkdir switches

1. Experimental topology650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/89/D6/wKioL1gfOjLAuEWyAABc_gCD1CU531.png-wh_500x0-wm_3 -wmp_4-s_2728232332.png "title=" experimental topological diagram. PNG "alt="

Turn from: http://www.ccvita.com/520.html, slightly modified.Daily at the command line, a large part of the work is over and over the input CD ~/some/very/deep/often-used/directory this to switch directories, now with a simple configuration can

First, from a question.Believe that many people play mobile phone or PC, have encountered such a situation, the installation of software more system performance is slow, but to see the CPU utilization has been lower than 10%, memory is also very

How to use common commands:1.echo (printf)Echo-display a line of text Common options:-N: Do not wrap,-e: use \ Guided escape sequence to take effect; \ n: newline \ t: Horizontal tab 2.CD Change the shell working dir Ectory. Switch working

Oracle DataGuard physical Standby builds Arch asysncOracle Dataguardprimaryhost: primaryIP: 192.168.198.136Oracle _ sid: Role: dg_pd standbyhost: standyIP: 192.168.198.128Oracle _ sid: Role: dg_st 1. configure www.2cto.com 1. set the master database

Reprinted: http://linux.chinaitlab.com/administer/794678.html Linux has the most notable features of flexibility and scalability, such as its Virtual File System switch (VFS ). You can create a file system on a variety of devices, including

First, Pip introduction The PIP is the tool that installs the Python package, provides the installation package, lists the packages that have been installed, upgrades the packages, and uninstalls the package features. The PIP is a replacement for

In the Linux world, the use of SYSTEMD has been the subject of intense debate, and the fighting between its supporters and opponents is still burning. Today, most mainstream Linux distributions have adopted SYSTEMD as the default initialization init

When you encounter some commands that you don't understand, you can look at the command as an internal/external command, and then use the Help/--help/man command to view the help.Describes how to use some common commands:1.cdCD dir switches the

The basic idea of Linux: 1. everything is a file. 2. it consists of a single program with a short cut purpose. 3. Combine the applet to complete the big task. 4. try to interact with users as little as possible. 5. Save the configuration information