Linux

The Linux kernel uses bitmap-related1, declares a bitmap array, can represent 100 bit, the array name is bitmap[CPP]View Plaincopy Declare_bitmap (bitmap,100) The related macros are defined as follows:[CPP]View Plaincopy

1. Modify the/etc/sysconfig/network configuration fileVi/etc/sysconfig/networkModify hostnameHostname=new-hostname.domainnameMy network changed to:Hostname=redhat5.xiaomu.com.2. Modify the local domain name resolution file/etc/hosts, so that the

1. Go to the folder where the source configuration is stored cd/etc/yum.repos.d2, back up the default source mv./centos-base.repo./centos-base.repo.bak3, use wget to download 163 of the source wget http:/ MIRRORS.163.COM/.HELP/CENTOS-BASE-163.REPO4,

650) this.width=650; "title=" Linux boot process. jpg "src=" http://s3.51cto.com/wyfs02/M02/58/D3/wKioL1S9_ Fcxhzkkaaeitblabvy400.jpg "alt=" Wkiol1s9_fcxhzkkaaeitblabvy400.jpg "/>Process Explanation:POST: Under the command of the CPU, the contents

Original: http://blog.lucode.net/linux/intro-Linux-namespace-1.htmlAlthough there was a preliminary understanding of the functionality of the Linux container mechanism, it was still very mysterious and did not find a better document to describe.

Recently want to see some information about the system, click on "About this computer" found to show some of the system settings, but also show only a part, I am a bit obsessive-compulsive disorder, I want to solve the problem:After querying some

Linux boot processLegend "Scattered people--nanning1, boot, read bios and self-test2, through the BIOS to obtain the first boot device, read the MBR get Boot management program3 Get Kernel (kernel) load memory and detect system hardware via Boot

Wget is a free tool that automatically downloads files from the webThe TAR-ZCXF command is to pack the files and compress them first.The TAR-ZVXF command is to unzip and repackage this file.CD: Return to the previous levelExit the file being edited:

The sort command under Linux, by default, sorts each unit of behavior in the file, and then outputs it. Specifically, it starts with the first character of each line, then compares it by the ASCII value, and finally sorts the output in ascending

One, request processingThere is no read write function in the processing function of the block device, and all requests for block devices, such as Read writes, are handled through the request function. The prototype of the request function is void

Default RPM installation path in CentOSFor RPM packagesGenerallyPut the command in/usr/bin or/usr/sbin.The library is under/usr/libThe data file is under/usr/share /.Name:Rpm-pql [rpm file name] to view the files in an rpm package, that is, the

Linux notes utf8 and linuxutf8 Linux file data:/usr/share/doc (in your Linux System) CLDP Chinese document planning http://www.linux.org.tw/CLDP/ The Linux Documentation Project: http://www.tldp.org/ In terms of enterprise applications, Linux

Centos6.2 install Memcached Memcache is a high-performance distributed memory object cache system. It maintains a unified and huge hash table in the memory and can be used to store data in various formats. simply put, the data is called to the

Centos rm-rf restore deleted filesIn Linux, it is absolutely terrible to delete files by mistake when you perform operations such as rm-rf. Fortunately, there are some solutions for temporary emergency. In this case, we will use a tool called

CentOS stops Printing ServiceIf you do not want to provide the printing service, stop the printing service that is set to auto start by default.[Root @ sample ~] #/Etc/rc. d/init. d/cups stop slave stop printing serviceStopping cups: [OK] The slave

How to compile the kernel in CentOS 6.5 PrefaceLinux Kernel is the core of the operating system and the most basic part of the operating system. The volume structure of the Linux kernel is single-core, but it fully adopts the design idea of

Install the firefox flash plug-in centosOne Laptop. I want to watch movies and install firefox flash on centos. Let me pass this weekend.Everyone on Earth knows about the hardware environment. There are 64-bit hardware environments.Download

How to burn a CentOS CDIt is very easy to burn a CD in centos, just enter the following command in the terminal window:Cdrecord-v-eject speed = 8 dev =/dev/cdwriter driveropts = burnfree test. isoCdrecord software is generally available in the

CentOS6.5 kernel upgrade to 3.10.28 This article applies to CentOS 6.4 and CentOS 6.5, and is estimated to be applicable to other Linux distributions.1. Prepare for checking the kernel and version information [root@hostname ~]# uname -r2.6.32-220.el6

How to Protect Your CentOS Operating System In this world, Linux operating system security is very important. But you have to know how to do it. A simple anti-malware software is far from enough. You need to take other measures to work together. Try