Linux single-user mode and Rescue mode

[[email protected] ~] #reboot// Restart

Press any key to enter

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e go to edit

a change some parameters of the kernel

C go to command line

at this point you need to press E, Select the second item

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Press e Enter

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at the end add: 1 (or s , S , Single ) Enter

Press B Key Restart

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RunLevel view current Run level S for single-user mode

input passwd can change Root password, after entering the new password reboot it takes effect after a reboot.

Rescue mode

reboot Restart , Press F2 Enter BIOS settings. With +,- Move the CD-ROM drive to the top item. Press F10 to save and load the shutdown, enter.

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Select Rescue Installed system Enter

Language default

Keyboard type Default

Enable network (optionally, do not enable)

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enter the interface as above, select Continue continue to

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that our original system was mounted on the /mnt/sysimage If you want to enter the original system, you can use Chroot/mnt/sysimage command. Enter

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choose to enter Shell Mode

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bash-4.1# Chroot/mnt/sysimage

From the original shutdown system, into the original system. Enter to do the appropriate operation

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input passwd You can change the new password. exit back to disc system,reboot reboot is in effect.

This article is from the Linux Learning Notes blog, so be sure to keep this source http://9656134.blog.51cto.com/9646134/1676157

Linux single-user mode and Rescue mode