Recently engaged in a Ali Ecs,centos7, involving some basic Linux instructions, here to summarize, in the context of some of the commonly used instructions, familiar with these instructions can basically use CentOS for daily operation.More can refer
2.1 System directory Structure/root/.ssh/authorized_keys View Instructions Install tree command Displays the table of contents in tree form, showing two levelsLinux Common directory structure/bin to store frequently used commandsThe core file that
Linux distribution base directory naming and functional directory configuration standard FHS
Because of the wide variety of Linux distribution, there are also a lot of open teams and companies.
In order to provide users with the usual
LinuxMainly applicable to server https://www.netcraft.com/Advantage:1. Open source2, more maximize the performance of hardware resourcesLinux System composition:Kernel kernelhttps://www.kernel.org/ApplicationLinux System Release ReleaseRHEL Red
Introduction of source codesource code (also known as the source program) refers to anCompileIn accordance with a certainProgramming languagesa text file that is written in specification is a series of human-readable computer language instructions.
The dynamic shared libraries above the Linux operating system are broadly divided into three categories:One, the operating system level of shared libraries and the underlying System Tools libraryLibc.so, libz.so, libpthread.so, and so on, these
Hello, everybody good evening 650) this.width=650; "alt=" J_0059.gif "src=" Http://img.baidu.com/hi/jx2/j_0059.gif "/>! Today will share the Linux system directory structure and the functions of each directory, this time the outline is as follows:1.
System directory Structure
To make it easier to view the system directory structure, use the tree command:
Installation commandsYum install-y TreeHelpTree--helpMan help command to useMans TreeTree Usage Example: viewing the root
1① command line switch graphical interface: StartX &② display text conversion command line input: Localectl list-localesLocalectl Set-locale Lang=zh_cn.utf8 (Vice-en-us) View language locale③ View the shell type used:"#echo $SHELL2①SSH Protocol
Self-made Linux:(1) Partitioning and creating file systemsFdisk/dev/sdbDivided into two necessary partitions/DEV/SDB1 corresponding/boot/dev/sdb2 corresponding to the root/Mkfs.ext4/dev/sdb1Mkfs.ext4/dev/sdb2Mount BootMkdir/mnt/boot Sub-directory
Dynamic libraries and static libraries are common in C + + development, where the dynamic library run-time load makes the executable program smaller, and updates the dynamic library without recompiling the executable program, as opposed to the
16. Compiling BusyBox17. Provide Inittab file18. Provide initialization scripts19. Seventh Test Start16. Compiling BusyBoxBusyBox Introduction BusyBox is a software that integrates more than 100 of the most commonly used Linux commands and tools.
1. List Linux distributions by series and describe the two lines and differences between different distributions.The current major Linux distributions are:Slackware:suseDebian:ubuntu MintRedhat:rhel CentOS FedoraContact: Because the Linux kernel
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
in a Linux system, all directory and file data is stored in a tree structure, there is only one root directory throughout the system, all partitions, directories, files are under the same root directory. "/" below the first level directory includes:/
components of a package: binaries, libraries, configuration files, Help files
Binary process
Order:/bin,/sbin,/usr/bin,/usr/sbin,/usr/local/bin,/usr/local/sbin
Application:/usr/local/nginx
Linux System directory StructureAfter logging into the Linux system, enter the following command in the current command window: # ls/, will appearLs is an abbreviation for list that lists the specified directory or file. /is the core directory of
1.shell features bash saves a list of commands that have been executed in the past. The command that the shell process holds in the buffer buffer will be saved to the file name when the shell exits. Bash_history using the up and down arrows to view
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