Rescue mode:
What is the role of rescue mode?
1, you can change the root password;
2, restore the hard disk, file system operation;
3, the system can not be started, the rescue mode to repair the parameters and then start;
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Enter Rescue mode:
1, first boot into the BIOS settings, boot boot sequence for CD-ROM priority to boot CD drive using the keypad of the +-number adjustment in the upper and lower order; set up and save and exit. (Remember to prepare the system image.)
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2, restart the system after entering the installation boot menu, the up and down keys moved to the Rescue Install system rescue installation systems;
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3, choose the language, keep the default English (of course, Simplified Chinese can also)
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4, select the keyboard type, keep the default us
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5, whether to start the network, you need to choose according to your actual situation, if you need to copy data through the network, select Yes;
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6, enter into the rescue interface, select Continue
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7, the system is mounted under/mnt/sysimage if you want to run the Chroot/mnt/sysimage command in the root environment
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8, three kinds of options: Shell into the command line mode, FAKD is the diagnostic mode; reboot restart the computer; Select shell for the time being.
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9. Enter the shell command line and the prompt is bash-4.1#
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ls/mnt/sysimage/displays the mounted directory as the root directory of the file, and executes chroot/mnt/sysimage/to move the files in the/mnt/sysimage/directory to the root directory;
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Single-User mode:
What is the use of single-user mode?
1, can change the root password, (enter single user mode does not require a password)--more commonly used
2, the system is not fully operational, through the single-user mode to troubleshoot.
3, try to repair.
Single-User mode entry:
1, when the system starts the interface, press "E" key, enter the editing mode.
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2, then press E, enter the editing page, in the appearance of the kernel the end of the line plus single or 1.
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3, b restart
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Here, let's start your operation!
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This article from the "[email protected]" blog, declined to reprint!
Linux Lifeline-Rescue mode and single-user mode!