Create a User
2014/08/01 |
[1] | Create a common user account. |
[root@dlp ~]# useradd cent [root@dlp ~]# passwd cent Changing password for user cent. New UNIX password: # set password Retype new UNIX password: # Confirm passwd: all authentication tokens updated successfully. [root@dlp ~]# # logout |
[2] | Try to switch to a user that was added above. |
dlp login: cent # input user name password: # password [cent@dlp ~]$ su - # switch to root Password: # root password [root@dlp ~]# # just switched to root |
[3] | Make a user (it's [cent] in this example) be only a user who can switch to root as an administration user. |
[root@dlp ~]# usermod -G wheel cent
[root@dlp ~]#
#%PAM-1.0vi /etc/pam.d/su auth sufficient pam_rootok.so # Uncomment the following line to implicitly trust users in the "wheel" group. #auth sufficient pam_wheel.so trust use_uid # Uncomment the following line to require a user to be in the "wheel" group. # uncomment the following line auth required pam_wheel.so use_uid auth include system-auth account sufficient pam_succeed_if.so uid = 0 use_uid quiet account include system-auth password include system-auth session include system-auth session optional pam_xauth.so |
[4] | Configure the email forwading settings. For example, if you'd like to forward emails for root account to another user, set like follows. |
[root@dlp ~]#
vi /etc/aliases
# Person who should get root's mail
[root@dlp ~]# # end of the file: uncomment and change to a user root: cent
# reload |