Linux

grep lookup contains specific characters in the specified directory Instance Search all files in the/var/www/html directory, with files containing phpinfo characters, and show travel numbers Grep-rn phpinfo/var/www/html/* Note:-R is recursive

You can use the command to check the 10 processes with the most memory View the most CPU-intensive processes PS Aux|head-1;ps aux|grep-v pid|sort-rn-k +3|head or top (then press m, note that this is uppercase) To view the most memory-intensive

The company moved, several server IP also changed, so the server OTA application of a lot of files related to IP replaced by the current IP, this time you can use the SED command. To bulk find replacements in a directory: Sed is an online editor

have been using this because sometimes the U.S. VPS wget command to download domestic files when the speed is too slow, so the use of Axel is still a good choice.1.CentOS installation of Axel 32-bit CentOS execute the following command Wget-c http:

Rz,sz is a command-line tool for Linux/unix Zmodem file transfer with Windows. The advantage is that there is no need to open a sftp tool to upload the download file. SZ: Sends the selected file (send) to the local machine RZ: Running this

Problem: I have a keesail user. I want to have it read and write the local folder permissions should be switched to the root account what commands to give Keesail permissions? For example, a directory dir, your username Hengyang, you can give

The day I open the computer, I found that the group said bash the loophole, immediately searched the next, found incredibly more serious than the heart of the loopholes, well, it seems that there are things to do today. System: centos5.x 1. Detect

When you compress a directory, sometimes you want to exclude a directory, as shown in the following example:For example, the file directory contains the following files and directories The code is as follows Copy Code

Often in the operation of Linux, occasionally break the network or in the Intelligent multi-line environment to operate the server, often be disconnected, but the user login process is in, and did not exit. Simple way to implement a logged in user

The following error occurred while testing the Mydumper compression feature (-C) yesterday: The code is as follows Copy Code [Root@liufofu backup]# mydumper-h localhost-u root-p tiger-c-O./liufofu/-B

The Systemctl command was discovered recently while playing Ubuntu and openSUSE, and later found in the demo Centos7, Systemctl is a tool under SYSTEMD. The order has been in existence for a long time. This command is used to replace the service and

Jdk:Http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.htmlCreate a new software directory in the root directoryUpload the downloaded JDK to the software folder.(using WINSCP makes it easy to drag and drop files under

Install the basic Environment1.ubuntu Downloads: http://releases.ubuntu.com/14.04.4/2. Installing VirtualBoxDownload directly from the software manager3. Install UbuntuNote: Disk space is best to open up a large point, otherwise it is not enough to

Linux system Boot Process detailedstart the first step --load the BIOSWhen you turn on the computer, the computer loads the BIOS information first, and the BIOS information is so important that the computer must find it at the very beginning. This

FHB: The hierarchical standard of file system, the filesystem of Linux operating system is the standard, similar to the file system under the C disk under WindowsFile system and partition relationships:1, the file system is a logical partition,

NtsysvTurn off service on bootChkconfig--list View all services and 7 operating levelsChkconfig--level 3 SendMail on/off 3 level turn on or offChkconfig SendMail on/off 2 3 4 5 levels are turned on or off 0 1 6 levels that were supposed to be

Linux system start-up processStart the first step-load the BIOSWhen you turn on the computer, the computer loads the BIOS information first, and the BIOS information is so important that the computer must find it at the very beginning.Start the

Linux file System: Tree file system, root start, strictly case-sensitiveCtrl+alt+t Open TerminalCtrl+alt+f1 from graphical interface to terminalCtrl+alt+f7 back to the graphical interfacePWD Displays the current working directoryThe CD changes the

One-click removal of non-80 ports of the domain name, remove the port number behind the domain name Quick Solution, domain name 80     The remove port function is mainly used to remove the port after the Domain Name When Apache and IIS and other

Install and configure MySQL in a Linux Virtual Machine   1. Download mysql5.7 Http://mirrors.sohu.com/mysql/MySQL-5.7/     Linux download: Enter the command: wget http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz   2.