How to reset password for unknow root
1. Click "e" when entering the grub
2. Add option " init=/bin/sh" to linux line. (/bin/sh can not be replace by /bin/bash , /bin/bash do not have passwd command)
3.Mount path (mount -o remount, rw /)
4.Change permission of passwd (chmod -v 4711 /usr/bin/passwd)
5.passwd root to change password
6.reboot target
posted on 2015-07-02 14:58 Newbie wang 阅读(182) 评论(0) 编辑 收藏 举报