First, IntroductionThe Linux kernel Debugger (KDB) allows you to debug the Linux kernel. This well-known tool is essentially a patch of kernel code that allows a master to access kernel memory and data structures. One of the main advantages of KDB
i++ : Let oneself +1Example: Seeking + An odd or even number within a and the650) this.width=650; "Width=" 219 "height=" "style=" Background:url ("/e/u261/lang/zh-cn/images/localimage.png") No-repeat center;border:1px solid RGB (221,221,221); "src="
First, the issueInitially, Red Hat Enterprise Linux was based on Red Hat Linux, but used a more conservative release cycle. Later versions are based on Fedora. Approximately every six versions of Fedora will have a new version of Red Hat Enterprise
One, the conceptIn a Linux file system, files stored in a disk partition, regardless of type, are assigned a number called the index node number (Inode index).
Hard Links
Multiple file names point to the same index node (multiple
Linuxcentos start setting up a normal user, if you want to enter the root user, you can suThen set the password, then enter SU again the second time, then enter the same password to go in.There are many commands that need to be executed under root,
Network commands1.Instruction Name: WriteInstruction path:/usr/bin/writeExecute Permissions: All UsersSyntax:Write user name >Function Description: Send message to User to ctrl+d Save End2.Directive Name: WallCommand English original:write
First, Introduction Kernel, is the core of an operating system. It is responsible for managing the system's processes, memory, device drivers, files, and network systems, which determine the performance and stability of the system. Linux as a free
Top The first line of the top command "top-14:55:57 up 366 days, 1:41, 8 users, load average:0.83, 0.74, 0.69" shows the contents in turn " System Current Time, The time that the system has been running so far, The number of users currently logged
1 IntroductionThe meaning of GCC is only GNU C Compiler. After so many years of development, GCC has not only supported the C language; it now also supports the ADA, C + +, Java, Objective C, Pascal, COBOL, and Mercury languages that support
Two years later, I set foot on the computer this way. The original rough and sad I remember in mind, but this return, must learn some practical knowledge, enrich themselves.Two years of military career, tempered my strong willpower and the kind of
Cd:change Directory Switch Directories commandLs:list Display the contents of the current directoryPwd:print working Directory This command displays the current path nameTouch: Update file creation time or create a new fileFind: FindingThe
How to install and configure the network startup server in centos
Background:
When installing servers on a large scale, you need to install servers in batches to reduce the daily workload. However, the basis of automatic Server Installation in
CentOS automatically deletes the log command n days ago
Linux is a system that automatically generates files, such as logs, emails, and backups. Although hard disks are cheap now, we can have a lot of hard disk space to waste these files, so that
Install svn on CentOS 6.5 x64
# Svn Installation
Yum install-y subversion
Uninstall the old version of svn
Yum remove-y subversion
Wget http://pkgs.repoforge.org/subversion/subversion-1.7.4-0.1.el6.rfx.x86_64.rpm
Install new version
Rpm-ivh
Some hardware information query commands that are not commonly used but are very useful
Sometimes you may have to deal with such problems, such as server hardware failure and need to be replaced. In this case, you may need to obtain some key
Summary of practical skills for passwd commands in CentOSThis article mainly introduces the practical tips of passwd commands in Linux. It is the basic knowledge in Linux beginners. If you need it, let's take a look at the basic usage of passwd
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