Linux

The grep function of a linux Command per day is to find the content specified by PATTERN in a file or standard input. And display the row. Grep -- help can be used to view command parameters. The basic format is grep [OPTION]... PATTERN [FILE]...

When the system time of Centos is changed to Beijing time, when an automatic task is added today, the server is not Beijing time. Now we change it to Beijing time. 1. delete the local time and set the time zone to Shanghai

About SuPHP and file permission settingsCPanel changed the PHP Handler mode to SuPHP, so an HTTP 500 Error occurred when visiting the page. It was known only after asking the reason, in SuPHP mode, no directory or file with the permission of 777 is

We often use the vim editor when editing text in our daily work. Although vim is powerful and almost omnipotent, it is difficult to get started when we get used to word, in addition, it is not easy to remember frequently-used commands. I will write

In Linux, how to close the mouse before using Thinkpad R60, without touching the mouse, you can only use little red hat, especially envy others to touch the mouse. Now I have changed a new one. With the mouse, I find this thing too boring. When you

Repo is a tool for system management of multiple git trees. repo is not a source code version management system, but is only associated with manifest. multiple projects in the project list xml in git are managed in a unified manner. When repo sync

Ubuntu vim terminal editing command 1. after VIM highlights and enters vim, enter the following command in normal mode to enable php code highlighting: syntax enable: source $ VIMRUNTIME/syntax/php. vim 2. VI Common commands www.2cto.com ____________

Fedora 16 install Mp3 and Video Player installation command: 1. Add software source # rpm-ivh http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-

Common Methods for installing and detaching software in Ubuntu 1. Software Installation and uninstallation: A: RPM package, which is similar to the windows EXE Installation File, various files have been compiled and packaged, And the folder to which

Linux Kernel 1. linux architectureLinux can be divided into user space and kernel space. Kernel space and user space are two different states of program execution. The transition from user space to kernel space can be completed through system calls

Functions of linux folders/bin binary executable commands/dev special files/etc system management and configuration files/etc/rc. d. Start the configuration file and script/home user home directory base point. For example, if the user's home

Linux Files have three time attributes in windows. A file has three time attributes: Creation Time, modification time, and access time. In Linux, a file has three time attributes: Access time, modification time, and status modification time. There

Linux Command ---- analyze CPU bottlenecks to measure CPU performance indicators: 1. CPU usage; CPU running regular user process CPU running niced process CPU running real-time process 2, CPU usage by the system; for I/O management: interrupt and

Debug solution to NIC problems in linuxProblem description: sometimes when you install redhat or suse linux, you will find that your public ip address is not on eth0, but on eth3 or eth4, at this time, you need to adjust the public ip address to eth0

Linux Process-related commands Ø ps command ◆ ps aux or ps-ef list all processes in the memory ◆ find processes with names, for example, find vim: ps aux | grep vim | grep-v grep the second grep is used to remove the grep vim process in the result (-

The basic troubleshooting methods for linux network problems may often encounter download or upload failures when running linux network applications. How can we find the problem points when we encounter such problems? The following are some methods

Shell parameter command1 .!! Previous command 2 .! : 0. Name of the First Command without parameters 3 .! ^ The first parameter of the previous command 4 .! : N the nth parameter of the previous command. 5 .! $ The last parameter of the previous

SAMBA configuration "you may not have permission to access network resources" solution: Open the graphical Configuration Tool system-config-securitylevel-tui. After adding samba, save and exit SElinux [root @ localhost samba]. # getsebool-a | grep

Before using UNIX, you must have an account on workstation. When login appears, enter the account name and password. Now you have completed the login operation and entered UNIX. After entering, the system will start "shell". This program will accept

Previously, I introduced how to install Vista through a USB flash drive. This article will introduce how to install Ubuntu Linux on a USB flash drive. although Ubuntu is used in this article, it is feasible to install other Linux live CD