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recover root password in CentOS
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| e # boot to the GRUB edit mode | |
| quiet ... rd.break # rd.break at the end of the line starting with kernel= | |
| ctrl-x | |
| mount -o remount,rw /sysroot/ | |
| chroot /sysroot | |
| passwd | |
| touch /.autorelabel # update selinux information | |
| exit | |
| logout | |
| # wait for the file-system relabeling to complete |
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