lib lib64

the philosophical thinking of Linux :1. All documents: Abstract almost all resources into the form of documents, including hardware devices, and even communication interfaces;Open (), read (), write (), close (), delete (), create ()2. Consists of a

First, the use of Docker hubDocker Hub is the official Docker maintenance warehouse, which already contains a lot of mirrors, generally our needs directly in the official warehouse search can be resolved. In the official public warehouse we can

1. Please describe in detail the start-up process of the CentOS system (detailed to what each process system does)The CentOS system startup process is as follows:POST--Boot Sequence (BIOS)--Boot Loader (MBR)--GRUB--Kernel (RAMDisk)--Rootfs

File system:How the operating system recognizes disks and partitions:Mbr:master boot record, master boot recording, storage disk information, including partition information, operating system boot program, glyph. A sector sizeThe MBR is 512 bytes in

Review:Shell:type,which, environment variable path[Email protected] ~]# echo $PATH/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/binReference variable: ${variable name}Variable: A named memory space that can be found directly in

Vim Editor: Full-screen editor: VIM Vi:visual interface Sed: line Editor VI, VI improved Vim: Pattern: Edit mode: Command mode Input mode: Last-line mode: Edit mode--Input mode: I:insert, A:append, O:new Line, I: The beginning of the line A: End of

1. How to install the softwareFor LinUX Beginners, installing software is probably a headache, because installing software under Linux is not as easy as it is in Windows. For Linux systems, packages appear in two main forms: binary packages and

Introduction to Source code (there is likely to be cross-file dependencies between the code in the file)source code (also known as the source program) refers to anCompileIn accordance with a certainProgramming languagesa text file that is written in

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:

Linux file structure, to see what each file is to use, first use the LS command to see what files.650) this.width=650; "src=" Https://s2.51cto.com/wyfs02/M00/8F/7C/wKioL1jg6JeSR8MvAAAdthS-iP4366.png "title=" Ls.png "alt=" Wkiol1jg6jesr8mvaaadths-ip43

PWD Displays the current working directoryWW.H.O.WhoAmIDisplays the current user and the established SSH linkUseradd create a new normal userpasswd Modifying a user's password# represents the root Superuser who is currently working$ represents a

The following is a CentOS 7 example:Startup level ModificationSystemctl Isolate Multi-user.targetSystemctl Isolate Runlevel3.targetstartup files in/etc/systemd/system/default.targetYou can change the file directly if you want to modify

(i). Command aliasesAlias is used to get the definition of aliases available to the current user[[email protected] ~]# aliasalias cp= ' cp-i ' Alias egrep= ' Egrep--color=auto ' Alias fgrep= ' Fgrep--color=auto ' Alias grep= ' grep--color=auto

Package ManagementPackage compositionBinary programConfiguration fileSingle FileCut the master profile into multiple small files and place them in a directory./etc/profile,/etc/profile.d/*/etc/pam.conf,/etc/pam.d/*Single file, which is split

Before installing the program, recognize the components of the following program: binaries library file configuration file Help Files (manuals, documents) ... binary:/bin,/

Reprint please indicate source: http://blog.csdn.net/cywosp/article/details/42150141 Brief IntroductionIn the development process, a variety of third-party libraries are often required, and Python provides tools such as Pip,easy_install to simplify

Create a new system root directory/mnt/sysroot:#mkdir/mnt/sysroot 2. Add a piece of hard disk/DEV/SDB to format the target disk partitionTwo:On host:/DEV/SDB1,/DEV/SDB2/DEV/SDB1 Mount to/mnt/sysroot/boot(target host root file system creation

FHS: File Hierarchy StandardFHS: File Hierarchy Standard/ : Represents the root directory　　/bin: Binary file, executable program, all users can use.　　/sbin: Only the administrator executes the binary executable program. Start-up is used to provide

centos6.7 as an exampleThe first step is to add a 20G hard disk to the R2 virtual machine and partition it with the FDISK command./and/boot directoryMKFS.EXT4/DEV/SDB1 (/boot directory)MKFS.EXT4/DEV/SDB2 (/catalogue)Mkdir/mnt/boot (New mount

BASH Shell to manage files=============================================================Create, copy, delete, move, view, edit, Compress, findContent Summary:Linux directory structureFile location pathFile ManagementA: The Linux directory usually