Linux

Linux folders also have three kinds of permissions, respectively: x determines whether the CD command can enter the directory, r can use the LS command to see the directory of files, W can be in the directory to create, modify, delete files, not

There are two ways of doing this: 1, curl-x : Example: Curl-x 12.99.109.52:8080 http://developer.baidu.com/map/ represents a 8080-port access to an extranet address via proxy 12.99.109.52 http://developer.baidu.com/map/ 2, wget-e "http://:/"

Linux How to exit VI editor 2008-10-22 09:55 : Q exit: Q! forcibly quits (does not save disk): QW or ZZ Disk exitYou can only switch to the command state with the ESC key More detailed content: Under Linux the most commonly used instrument editor

1.Linux strictly case-sensitive 2.Linux all content is saved in file format, including hardware 3.Linux file type is not dependent on extension Compressed package *gz, *.bz2,*.tar.bz2, *.tgz, etc. Binary package: ". RPM" Script file

1 IP configuration The network card IP configuration of the virtual machine must be in the same self network segment as the host 2 Note shut down Linux firewall Use command sudo ufw disable 3. Install good openssh-server sudo apt-get

W To view logged-in users in the machine Pkill-kill-t PTS/1 Kick off the user and need root privileges Use of/etc/nologin files: If you want only root can log on to the host, other accounts can not log in, you may add a file named "Nologin" in

Who command to see what users are currently online The PS command is the most basic and very powerful process view command. Use this command to determine which processes are running and The state of the row, the end of the process, the process has

First, the file and folder colors under Linux: Blue File----------DirectoryWhite file----------general files, such as text files, configuration files, source files, etc.Light blue files----------linked files, mainly files created using the ln

About Linux Permissions-bash:./startup.sh:permission denied At the time of execution./startup.sh, or/shutdown.sh, a permission denied was burst. It's simply that today, when Tomcat is executed, the user does not have permission to execute, Use

Under the Hooks folder of the SVN version library, copy the template Pre-commit.tmpl CP Pre-commit.tmpl Pre-commit chmod 777 Pre-commit Nano-edited, as follows: #!/bin/sh #必须填写注释且不少于5个字 repos= "$" txn= "$" # Make sure this log message contains

Tcpdump Grab Package The command parameter to save to the file is-W Xxx.cap Grab Eth1 's bag. Tcpdump-i eth1-w/tmp/xxx.cap Grab 192.168.1.123 's bag. Tcpdump-i eth1 host 192.168.1.123-w/tmp/xxx.cap Grab 192.168.1.123 's 80-port

In fact, whether to install Windows first or install Linux, is not a problem 1. Install Windows First, then install Linux: After installing Windows, there are a number of ways to install Linux, such as a U disk installed Debian, you can also use a

Under Windows, there are a lot of compression software, such as Winrar,winzip and so on, you can package a folder. Under Linux, the compressed command mainly has gzip and bzip2 two kinds, the latter compression level is high. Players who are

Want to let your fcitx Wubi Input method, start automatically after boot? Do you want your FCITX to run automatically when you log off the x desktop and then login again? Want your Linux to be able to display clear Chinese and English fonts at the

According to my experience, when using the Pthread library to write multithreaded routines in Linux, you should be aware of at least the following points when calling system call/Library functions: 1, after creating the thread, do not use fork

The Lsb_release command in Linux is used to view distribution information for the current system (prints certain LSB (Linux Standard Base) and distribution information.). With this command you can clearly know the redhat, or other distribution, and

Common FTP Server under LinuxDavies posted on 2006-4-16 12:59 | Category: Linux:: Tech:: Linux has several very good FTP server, each has characteristics, suitable for different applications. According to its configurable nature can be divided into

optimal number of threads: Performance pressure test In the case, initially with the increase in the number of users, QPS will rise, when a certain threshold, the increase in the number of users QPS does not increase, or increase is not obvious,

List of files and directories under the version librarySVN list PathShow all files and directories that belong to the version library under the path directoryShorthand: SVN lsCreate a new directory under version controlSVN mkdir: Create a new

Using RPC under Linux requires using the command Rpcgen.The process of developing RPC programs under Linux is as follows:1. Write an RPC programsuch as Test.x2. Generate the necessary files using Rpcgen, typically the client and server side as well