Linux

This blog summarizes the notes with the Horse brother classDate: 2015.09.09Linux Disk ManagementLinux Disk ManagementThere are two categories of hard disks1. Mechanical HDDMechanical hard disk is the traditional ordinary hard disk, mainly by:

I. File type1 File typesPlain files (regular file): Plain text document (ASCII), binary (binary), data format file.2 contents (directory)3 Symbolic Link file: Similar to shortcuts in Windows.4 Device: block (block) device, storing data to provide

First, IntroductionAfter the completion of the storm's environment configuration, think about the installation of Hadoop, online tutorial a lot of, but not a particularly suitable, so in the process of installation still encountered a lot of trouble,

key technical points in operations anatomy: 1 design of a large number of high concurrent websites; 2 high reliability, high scalability network architecture design; 3 website security issues, how to avoid being hacked? 4 North-South interconnection

$# is the number of arguments passed to the script 0 is the name of the script itself $ 1 is the first parameter passed to the shell script $ 2 is the second parameter passed to the shell script [email protected] is a list of all parameterspassed to

Using the MKFS.NTFS commandMkfs.ntfs--helpUSAGE:MKNTFS [Options] device [number-of-sectors]Basic options:-F,--fast Perform a quick format-Q,--quick Perform a quick format-L,--label STRING Set the volume label-C,--enable-compression enable

Dfviewing system partitions and usageHow to use:Df-h (automatically according to the size of the unit to fit the display)Df-i (view inode usage)FreeView Swap partition UsageDuView the specified directory size (space-consuming size)How to

1. Summarize the detailed usage method of the task plan (at, crontab) on Linux system;Task Scheduling on Linux:Task Schedule:Perform a task at a time in the future: at, BatchTo perform a task periodically: crontabNote: The execution plan is notified

"Nohup"When the user SSH terminal disconnects or the network port, the terminal does not have the HUP signal to shut down all child processes.Nohup causes the process to ignore the HUP signal and is not subject to terminal disconnectionUsually add "&

LinuxThe system information is stored in the file, and the file is similar to ordinary official documents. Each file has its own name, content, storage address, and other administrative information, such as the user of the file, the size of the file,

Each file or directory in Linux contains three general permissions and some special permissions, and there are three types of users who can access the file: The file owner, the user with the same group as the owner, and other users.To view the file

This article describes the process of compiling and installing Git under Linux.Reference contentFirst, download the source codehttps://www.kernel.org/pub/software/scm/git/Download your desired version of Git source at this URL, as$ wget

#可查询哪些组件是否已经安装 (can be used to control the component name) Yum Grouplistyum groupinstall'X Window System'-y# Installing the GNOME desktop environment Yum Groupinstall'GNOME Desktop Environment'-y# Installing the KDE desktop environment Yum

Feature Description: Lists directory contents.Syntax: LS[ -1AABBCCDDFFGGHHIKLLMNNOPQQRRSSTUUVXX][-i [-T [-W [--block-size=[--color=[--format=[--full-time]

Linux:-bash: * * *: Command not found, the system many commands are not used, are prompted not to this command. All of a sudden, Linux has many commands that are not used, prompting for no such command. This should be caused by a problem with the

chmod 777 android-skd-linux/-RSyntax: chmod [who] [+ |-| =] [mode] File nameThe meaning of each option in the command isU means "user", which is the owner of the file or directory.G means "same group user", that is, all users who have the same group

Core TIP: The system's services can be started automatically when booting, that under the Linux system if you want the program to start automatically when the boot? We know that in the Windows system "start"-"All Programs"-and "start" a shortcut on

Summary of the use of gadgets in Linux and the use of Linux tools 0. Preface This blog is only used to record a small tool used by an individual at work. It will be used later. 1. Tmux Multiplexer allows you to create multiple terminals on one

Linux File System Structure What is a file in Linux? What is its file system? Where are the configuration files? Where is the Downloaded Program saved? In Linux, does the file system have a standard structure? The hierarchical relationship between

Enable the FTP (vsftpd) service in Linux1. check whether it is installed # rpm-qa | grep vsftpd 2. new Installation # rpm-ivh vsftpd-2.0.1-5.i386.rpm 3. start/stop/restart # service vsftpd start # service vsftpd stop # service vsftpd restart 4. main