Edit file File name : su Content :# # The PAM configuration file for the Shadow `su' service # # This allows root to su without passwords (normal operation) auth sufficient pam_rootok.so # Uncomment this to force users to be a member of group root # before they can use `su'. You can also add "group=foo" # to the end of this line if you want to use a group other # than the default "root" (but this may have side effect of # denying "root" user, unless she's a member of "foo" or explicitly # permitted earlier by e.g. "sufficient pam_rootok.so"). # (Replaces the `SU_WHEEL_ONLY' option from login.defs) # auth required pam_wheel.so # Uncomment this if you want wheel members to be able to # su without a password. # auth sufficient pam_wheel.so trust # Uncomment this if you want members of a specific group to not # be allowed to use su at all. # auth required pam_wheel.so deny group=nosu # Uncomment and edit /etc/security/time.conf if you need to set # time restrainst on su usage. # (Replaces the `PORTTIME_CHECKS_ENAB' option from login.defs # as well as /etc/porttime) # account requisite pam_time.so # This module parses environment configuration file(s) # and also allows you to use an extended config # file /etc/security/pam_env.conf. # # parsing /etc/environment needs "readenv=1" session required pam_env.so readenv=1 # locale variables are also kept into /etc/default/locale in etch # reading this file *in addition to /etc/environment* does not hurt session required pam_env.so readenv=1 envfile=/etc/default/locale # Defines the MAIL environment variable # However, userdel also needs MAIL_DIR and MAIL_FILE variables # in /etc/login.defs to make sure that removing a user # also removes the user's mail spool file. # See comments in /etc/login.defs # # "nopen" stands to avoid reporting new mail when su'ing to another user session optional pam_mail.so nopen # Sets up user limits according to /etc/security/limits.conf # (Replaces the use of /etc/limits in old login) session required pam_limits.so # The standard Unix authentication modules, used with # NIS (man nsswitch) as well as normal /etc/passwd and # /etc/shadow entries. @include common-auth @include common-account @include common-session Save