Environment: The company's file server is about to be migrated to an RHEL5 server. during preparation, the existing system administrator needs to familiarize himself with the RHEL5 system user interface as soon as possible, master the graphic interface and some basic operations on the command interface. if the root password is forgotten, you need to enter the single-user mode to destroy and reset the root password. The operation steps are as follows: this section describes the meanings of the numbers in init. shutdown 1. only the administrator can log on to the single-user environment. multi-user mode does not support NFS (Network File System) 3. complete multi-user
Environment: The company's file server is about to be migrated to an RHEL5 server. during preparation, the existing system administrator needs to familiarize himself with the RHEL5 system user interface as soon as possible, master the graphic interface and some basic operations on the command interface. if the root password is forgotten, you need to enter the single-user mode to destroy and reset the root password.
The procedure is as follows: