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Sharing simple Linux knowledge points

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2020-11-01 15:30:012639browse

Recommended: "linux tutorial"

  • In the Linux system, access the device as a file.
  • When the Linux kernel boots, the file system to be loaded is read from the file /etc/fstab
  • Each file in the Linux file system is identified by an i node
  • All The disk block consists of four parts, namely: boot block, dedicated block, i-node block, data storage block
  • Use the process started in the foreground: ctrl c prohibit
  • Install the Linux system to the hard disk When partitioning, there must be two partition types: file system and swap partition.
  • The important task of network management is monitoring and control
  • The kernel is divided into four subsystems: file management system, I/O management system, memory management system and process management system.

Linux startup process?

  • Host power-on self-test, load BIOS hardware information
  • Read the MBR boot file (grub, lilo)
  • Boot the linux kernel
  • Run the first process init (the process number is always 1)
  • Enter the corresponding run level
  • Run the terminal and enter the user name and password

What parts does a Linux system consist of?

Linux system kernel, shell, file system, application

How to plan a Linux host, what are the steps?

  • Determine what the machine is used for, such as web, db, or game server.
  • After determining, you need to decide how the system needs to be installed, which systems should be installed by default, and how to partition them.
  • Which parameters of the system need to be optimized, which users need to be created, etc.

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