Linux

Final summary How the computer works in the first week von Neumann structural model : The von Neumann structure, also known as the Princeton structure, is a memory structure that incorporates program instruction memory and data memory

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Believe when you see this post, you are no longer that decadent you, you must also run on the path of chasing dreams, so please leave your "dream", let us heart to communicate, OK?No more nonsense, just say the right thing!One, view disk partitions1.

With Linux for almost a year, there has been no time to summarize, through the recent opportunity to organize the knowledge framework to summarize Linux application knowledge. 1, Linux has two directories is very special, one is ~, the other is/.

Linux kernel Design period summary Copyright notice: This article for Bo Master original article, without Bo Master permission not reproduced. First eight Weeks blog summary and summaryThe first week of Linux kernel design--understanding

for Linux inside the free command to do a summary, well, in fact, the real reason is the recent interview repeatedly asked, and I know that is not very clear 650) this.width=650; "Src=" http://img.baidu.com/hi/ Jx2/j_0009.gif "alt=" J_0009.gif

# yum-y Install Pwgen[Email protected] ~]# PwgenEIT9AHVO ahWiefo0 aen2ou1x udu2ahgo diegh0ta Xaht3ohl yaegh2oo MOOK1OHGAINI1AA0 ii8eis9s oney2unu ab0kiete Egeikae0 ej1chuu1 uy8laere UeceLai9AHJ2OHZ1 ahl2eele oocool5y baerieN9 PHAH0OHC fod6iet3

According to FHS's official paper, the main purpose of the http://www.pathname.com/fhs/is to let users know that the installed software is usually placed in that directory, so they want independent software developers, operating system creators, and

This document records the rights management of Linux file system.First, the basic rights:1, the relationship between the user and the file:(1) file owner, owner, master, the first set of permissions for a file represents a master owned permission(2)

"Linux kernel Analysis" interim summary:A summary of the first week of the Linux kernel Analysis courseThe first chapter: How the computer worksStorage Program Computer Working model32-bit X86 compilation basicsDisassembly of a simple C

Linux unzip command . tar  unpacking: tar xvf test.tar pack: tar CVF Test.tar DirName (note: Tar is packaging, not compression! . gzdecompression 1:gunzip filename.gzDecompression 2:gzip-d filename.gzcompression:gzip FileName. tar.

Before mentioning the Interprocess communication pipeline, Message Queuing, semaphore, and then where the semaphore is a PV operation, the manipulated is a shared resource. In the IPC module we mentioned, Message Queuing is for the data unit

Write a script: Use the function to complete1, the function can accept a parameter, the parameter is the user name;Determine if a user existsReturns the shell and UID of this user if it exists, and returns the normal status value;If it does not

Bash shell job control, bashjob   Job control is used in the bash environment. That is to say, when we open a bash shell, we can manage the behavior of multiple jobs at the same time on a single terminal. First, understand the concepts of the

Linux ssh configuration. linuxssh Configuration 1. Prohibit remote login by the root user: # Cd/etc/ssh # Vi sshd_config Change the value after permitRootLogin to no, for example: Restart the sshd service as follows:# Service sshd restart  

Nginx Study Notes 1. nginx Study Notes View nginx compilation parameters by running the nginx-V command.   You can run the nginx-h command to view the Command help.   In the configuration file, the worker process is bound to a specific cpu kernel.

Nginx rewrite and gzip functions, nginxrewritegzip Rewrite Module name: ngx_http_rewrite_module is automatically compiled by default. Command: rewrite regex replacement [flag] Regex: a regular expression used to match the uri of a user request.

Common shortcut keys in LinuxShortcut KeyCtrl + shift + 'to enlarge the current terminalCtrl + '-' small the current terminalCtrl + l clear screenCtrl + u Delete All characters before the cursorCtrl + k Delete All characters after the cursorCtrl + w

Linux Study Notes-free command (command for viewing memory information) Free: displays the memory status. 1. Command Format: Free [Option] 2. Common options: "Free-B" displays memory usage in bytes. "Free-k" displays memory usage in KB. "Free-m"

Install centos yum and manually compile ettercap Currently, there are two popular software packages: rpmpackages, Deb packages, and file.tar.gz.Smart InstallationTake mysql as an ExampleYum search mysqld 2. manual compilationTaking ettercap as an