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head/sbin/reboot/nextboot.8
| Show All 18 Lines | |||||
| .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||||
| .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||||
| .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||||
| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
| .\" SUCH DAMAGE. | .\" SUCH DAMAGE. | ||||
| .\" | .\" | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd September 19, 2020 | .Dd October 11, 2020 | ||||
| .Dt NEXTBOOT 8 | .Dt NEXTBOOT 8 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm nextboot | .Nm nextboot | ||||
| .Nd "specify an alternate kernel and boot flags for the next reboot" | .Nd "specify an alternate kernel and boot flags for the next reboot" | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .Nm | .Nm | ||||
| .Op Fl af | .Op Fl af | ||||
| .Op Fl e Ar variable=value | .Op Fl e Ar variable=value | ||||
| .Op Fl k Ar kernel | .Op Fl k Ar kernel | ||||
| .Op Fl o Ar options | .Op Fl o Ar options | ||||
| .Nm | .Nm | ||||
| .Fl D | .Fl D | ||||
| .Sh DESCRIPTION | .Sh DESCRIPTION | ||||
| The | The | ||||
| .Nm | .Nm | ||||
| utility allows specifying some combination of an alternate kernel, boot flags | utility allows specifying some combination of an alternate kernel, boot | ||||
| and kernel environment for the | flags, and kernel environment for the next time the machine is booted. | ||||
| next time the machine is booted. | |||||
| Once the | Once the | ||||
| .Xr loader 8 | .Xr loader 8 | ||||
| loads in the new kernel | loads in the new kernel information from the | ||||
| information, it is deleted so in case the new kernel hangs the machine, | .Pa /boot/nextboot.conf | ||||
| once it is rebooted, the machine will automatically revert to its previous | file, it is disabled so in case the new kernel hangs the machine, once | ||||
| it is rebooted, the machine will automatically revert to its previous | |||||
| configuration. | configuration. | ||||
| .Pp | .Pp | ||||
| The options are as follows: | The options are as follows: | ||||
| .Bl -tag -width ".Fl o Ar options" | .Bl -tag -width ".Fl o Ar options" | ||||
| .It Fl a | .It Fl a | ||||
| This option causes | This option causes | ||||
| .Nm | .Nm | ||||
| to append to an existing configuration in | to append to an existing configuration in | ||||
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