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sulogin(8)

System Administration Commands                                      sulogin(8)



NAME
       sulogin - access single-user mode

SYNOPSIS
       sulogin

DESCRIPTION
       The  sulogin  utility is automatically invoked on console if the system
       is booted into single-user mode or if svc.startd(8) cannot  start  nor‐
       mally.  It  prompts  the user to type a user name and password to enter
       system maintenance mode (single-user mode) or to  type  EOF  (typically
       CTRL-D)  for  normal  startup  (multi-user mode). The user should never
       directly invoke sulogin. The user must have the  solaris.system.mainte‐
       nance authorization.


       The sulogin utility can prompt the user to enter the root password on a
       variable number of serial console devices, in addition  to  the  tradi‐
       tional  console device. See consadm(8) and msglog(4D) for a description
       of how to configure a serial device to display  the  single-user  login
       prompt.

FILES
       /etc/default/sulogin

           Default value can be set for the following flag:

           PASSREQ

               Determines if login requires a password. The default is YES.



       /etc/default/login

           Default value can be set for the following flag:

           SLEEPTIME

               If  present,  sets  the  number of seconds to wait before login
               failure is printed to the screen and another login  attempt  is
               allowed. Default is 4 seconds. Minimum is 0 seconds. Maximum is
               5 seconds.

               Both su(8) and login(1) are  also  affected  by  the  value  of
               SLEEPTIME.



ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       tab()  box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
       TRIBUTE VALUE _ Availabilitysystem/core-os


SEE ALSO
       auths(1), login(1),  msglog(4D),  attributes(7),  consadm(8),  init(8),
       su(8)

NOTES
       By default, the root user has all authorizations.


       Granting  the  solaris.system.maintenance  authorization to the Console
       User Rights Profile may have an undesirable side effect of granting the
       currently  logged  in  user  maintenance  mode access. The solaris.sys‐
       tem.maintenance authorization should be directly granted to appropriate
       users rather than through the Console User Rights Profile.



Oracle Solaris 11.4               21 Jun 2021                       sulogin(8)
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