Lines Matching +full:machine +full:- +full:level

51 and if this succeeds, begins multi-user operation.
54 commences single-user operation by giving
55 the super-user a shell on the console.
60 prevent the system from going multi-user and to instead execute
61 a single-user shell without starting the normal daemons.
63 later be made to go to multi-user by exiting the
64 single-user shell (with ^D).
80 will require that the super-user password be
81 entered before the system will start a single-user shell.
96 If the system security level (see
103 raises the level to 1 before going multi-user for the first time.
104 Since the level cannot be reduced, it will be at least 1 for
105 subsequent operation, even on return to single-user.
106 If a level higher than 1 is desired while running multi-user,
107 it can be set before going multi-user, e.g., by the startup script
113 variable to the required security level.
117 is run in a jail, the security level of the
121 is a per-jail security level.
122 This allows running a higher security level inside of a jail
128 In multi-user operation,
181 .Dq Li "kill -HUP 1" .
184 re-reads the
209 utility will terminate multi-user operations and resume single-user mode
213 .Dq Li "kill \-TERM 1" .
226 .Dq Li "kill \-TSTP 1" .
228 multi-user operations, or a terminate will start a single-user shell.
237 for deadlocked processes) and reboot the machine if sent the interrupt
240 .Dq Li "kill \-INT 1".
241 This is useful for shutting the machine down cleanly from inside the kernel
242 or from X when the machine appears to be hung.
246 utility will do the same, except it will halt the machine if sent
253 When shutting down the machine,
273 as the argument to the shutdown script if return to single-user mode
300 behavior, i.e., super-user can specify the desired
301 .Em run-level
308 .Bl -column Run-level SIGTERM
309 .It Sy "Run-level	Signal	Action"
313 .It Cm 1 Ta Dv SIGTERM Ta "Go to single-user mode"
314 .It Cm 6 Ta Dv SIGINT Ta "Reboot the machine"
326 .Bl -tag -width indent
333 That happens before entering single-user mode or multi-user
360 In particular, single-user operation is enforced
361 if the script terminates with a non-zero exit code,
391 In particular, if a non-default shell is used for running an
401 .Bl -tag -width /var/log/init.log -compact
421 .Bl -diag
426 .Bf -emphasis
458 behave as though they have security level \-1.
460 Setting the security level above 1 too early in the boot sequence can
465 preferred location to set the security level is at the end of
467 after all multi-user startup actions are complete.