Add User:
1. Log On As A root account in text mode;
2. Enter the adduser user name and press Enter.
3. Press enter as the passwd User Name
3. In
New Password: enter the password;4. InRetype new password: Enter the repeated password.Delete A
The VI editor is a standard editor for all UNIX and Linux systems. It is not inferior to any of the latest text editors. Here we just briefly introduce its usage and a few instructions. The VI editor is identical for any version of UNIX and Linux
Uninstall default:Log on to the system as the root user and open a terminal input.# Rpm-Qa | grep gcjThe displayed content contains the following two lines of information:# Java-1.4.2-gcj-compat-1.4.2.0-27jpp# Java-1.4.2-gcj-compat-devel-l.4.2.0-
1. symptom description
Ubuntu is installed in VMware. The host is win7, And the NAT mode is used in VMware. The host can access the Internet (the web page can be opened in a browser ), ubuntu can also access the Internet (you can also view web
On Linux, you can run the lsof command to view the files currently used by the system, or view the network socket communication.
$ Lsof view all system I/O operations
$ Lsof/etc/passwd
$ Lsof-P to view the IO used by the specified process.
Common network commands:NetstatThe netstat command is used to display network connection, route table and interface statistics, and other network information. netstat has many options. The commonly used option is-an to display the detailed network
Http://www.pps. TV /about/6/364.html
Install the following auxiliary software before installing PPS Linux:* QT library, 4.4.0 or later* Libfuse library, 2.7.2 or later* Mplayer, 1.0rc2 and later versions* Mplayer Video Decoder: mplayer
Today, I installed a macbuntu on my ubuntu10.04 system. The various functions are simulated very realistically, and the installation is very simple. It is to run an installation script, the installation script automatically installs compiz extras,
The find command is a frequently used SEARCH Command in Linux, which has powerful functions. You can use regular expression matching to search for the specified content in the system. Below I will record some common usage of this find. First, let's
How does one exit the VI editor in Linux?
: Q exit: Q! Force exit (not saving disk): WQ is mandatory to write files and exit. Write the file forcibly even if it is not modified, and update the modification time of the file.: X write the file and
Signal is a very important part in Linux programming. This article will introduce in detail the basic concepts of the signal mechanism, the general implementation of the signal mechanism in Linux, and how to use the signal, and several system calls
In Linux, it is quite easy to send a signal.ProgramThe employee needs to know two messages: Which signal to send and which process to send the signal. You can use man 7 signal to find a list of available signals. You can only send signals to your
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The top command is a common performance analysis tool in Linux. It can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. The
Use Linux as a router + gateway + Firewall for remote office (transfer)
Linux has a computer on the Internet and supports Remote Wake-Up of the NIC. On the internet, remote office can be achieved through control software.
1 Tib
1,Run the file checkout to the local directory. SVN checkout PATH (path is the directory on the server)For example: SVN checkout SVN: // 192.168 . 1.1 / Pro / DomainAbbreviation: SVN Co 2,Add new files to the version Library SVN Add
In combination with the nexs private server, access is allowed on the Linux host, but not on other LAN machines. http: // 10.410234.114: 8081/nexus/
By default, the Linux Firewall disables port 8080. Therefore, to access port 8080, you can disable
1. What is no buffer I/O?First, we need to know what the Linux operating system provides to our users.ProgramIn addition to library functions, the called interface can also be called directly by the system. The related functions I will introduce
1. /Etc/sysconfig/networkConfigure the Host Name and whether to start the network
2. /Etc/sysconfig/network-scripts/ifcfg-ethnEthn indicates the sequence of the NIC, eth0 indicates the first Nic, and eth1 indicates the second NicSet network, ip,
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