Linux

Linux one-click Installation Zen Road:1. Zen Road Help Document: Http://www.zentao.net/book/zentaopmshelp/90.html2. Modify the Apache port number:/opt/zbox/zbox-ap 18080Modify the port of MySQL:/opt/zbox/zbox-mp 80803. Execute/opt/zbox/zbox Start

Directory processing command (bottom) Delete empty directoryrmdir【目录名】Delete a non-empty directory or filerm -rf 【目录/文件】-rDelete Directory-fForcedSimply rm or rm -r would you really want to delete files or directories?Do not hit rm -rf / will erase

The zero-based Linux 13th chapter(Small to push the door into) students early ~ ~ is a happy day ~ ~650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M00/A7/26/wKioL1nhytPRD63bAAAln3e-i_I462.jpg "title="- 5759326e8704bfea.jpg "width=" "height="

Transferred from: http://www.360doc.com/content/17/1012/11/48326749_694292472.shtmlIn addition, DL_ITERATE_PHDR can find all the symbols in the current process, and each one will invoke the callback function you specified.The following code example

Application:#include Usleep (n)//n μsSleep (n)//n msSleep (N)//n secDrivers:#include Mdelay (n)//milliseconds its implementation#ifdef NOTDEF#define MDELAY (n) (\{unsigned long msec= (n), while (msec--) udelay (1000);})#else#define MDELAY (n)

In the world of Linux, there are questions asking man, equivalent to Java's API. Its usage is man you will not command two.　　Linux system has 7 runlevel (runlevel): Commonly used is 3 and 5 run Level 0: System down state, the system default

Excerpt from Zhu Youpeng Teacher's public lesson video2, Linux basic knowledge and skills2.1. Linux kernel, release versionLinux itself refers to an operating system kernel that cannot be used directly by the kernel. What we need, the operating

Tag: span instead tle ROM margin format text sys pictureUsually we need to mount the CD when we use the virtual machine, because there are many packages we use on the CD. Then we'll make a CD-ROM ourselves today.1, first create a new directory, it

1. Basic replacement: s/str1/str2/replaces the current line the first str1 is str2: S/str1/str2/g replaces the current line with all str1 as str2: N, $s/str1/str2/replaces the first str1 of each row in the beginning of the nth row to the last row is

In the work often encounter Linux memory is very large, but the cached accounted for most of the memory space, causing Linux to start the swap situation.This is the case:Total Memory 128g,cached occupies 108G, causing the system to use swap memory,

In Linux you should first enter CRONTAB-E, then there will be a VI editing interface, and then enter 0 3 * * 1/clearigame2 content into the inside: Wq save exit.In Linux, the tasks performed by the cycle are typically handled by the cron Daemon

HAProxyIt's a free, fast and reliable solution. No, for those Web sites that are loaded with extra loadThese sites often require session hold or seven-tier processingProvides high availability, load balancing, and proxy based on TCP and HTTP

If the mdadm.conf configuration file is not generated under/etc/when the raid is created Please run: mdadm--detail--scan >>/etc/mdadm.conf At this point you can: vim/etc/mdadm.conf The problem is resolved after changing the/dev/md/localhost.

First, prefaceA qualified Linux driver engineer needs to have a deep understanding of the interrupt subsystem in the kernel, only in this way, when writing a specific driver:1. Correct use of the API provided by Linux kernel, such as the most famous

Abstract: I believe that many Linux enthusiasts or the development process in the use of Linux environment it. One of the crontab is a very powerful timing task executor. For example, we can set a script for when to execute a task, and the system

First, get helpLinux provides extremely detailed help tools and documentation that can greatly reduce the need for memory and increase efficiency by looking at related documents.Two 、--help parametersAlmost all commands can use the-h or the--help

Linux file access processThe inode is the unique identifier of the file, and the file name and inode correspondence are stored in the block at the previous level of the directory, and the inode has pointers to the file block and attributes of the

1.kali LinuxWhen using USB to install Kali, if you try to run, you may encounter the lock screen can not open the situation, find the solution is, Kali's default root password is Toor.2.ubuntuUbuntu root password is random (that is, each boot has a

This article is mostly pictures, all you need to do is follow the picture step by step. If you have any questions, you can leave a message.First you need to launch your VMware and then go to create a new virtual machine.650) this.width=650; "Src="

Keepalived for high availability and keepalived Originally published on cu: Reference: This article involves keepalived installation, simple configuration, and high availability for haproxy.I. Environment preparation 1. Operating System CentOS-7-x86_