Analysis of Linux boot system methods

This article describes how to boot the Linux system. Share with you for your reference, the details are as follows:

1. Linux boot system

1. Select your operating system

/etc/grub.conf

Set the grub boot loader password. This password must be entered when using single-user mode.

password --md5 Password string after md5 (can be calculated by grub-md5-crypt)

2. Select the login interface

/etc/inittab

1) Linux operation level:

0 means shutdown
1 Single-user mode
2 Multi-user mode, without NFS
3 Multi-user (character mode)
4 Custom Mode
5 Graphics Mode
6 Restart Mode

3. Mount the file system

/etc/fstab

1) What is a mount?

Mapping an area on the hard disk to an operating system directory is called mounting.

2) View the file contents

Column 1: Hardware resources Column 2: Mount point Column 3: Mount system type Column 4: Mount parameters Column 5: Whether to back up Column 6: Self-check sequence (0: No self-check)

I hope this article will be helpful for everyone's Linux maintenance.