Extent,
Uvm_init,
Sysctl,
Sysctl.conf,
Pool,
Gdb,
Witness,
Crash,
Ctfstrip,
Hangman,
Nm,
Ddb DDB(4) - Device Drivers Manual # DDB(4) - Device Drivers Manual
NAME # ddb - kernel debugger
DESCRIPTION # The ddb debugger provides a means for debugging the kernel, and analysing the kernel after a system crash (“panic”), with a gdb(1)-like syntax.
ddb is invoked upon a kernel panic when the sysctl(8) ddb.panic is set to 1. It may be invoked from the console when the sysctl ddb.console is set to 1, using any of the following methods:
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NDP(8) - System Manager’s Manual # NDP(8) - System Manager’s Manual
NAME # ndp - control/diagnose IPv6 Neighbor Discovery Protocol (NDP)
SYNOPSIS # ndp [-acnt] [-A wait] [-d hostname] [-f filename] [-i interface] [-s nodename ether_addr [temp] [proxy]] [-V rdomain] [hostname]
DESCRIPTION # The ndp command manipulates the address mapping table used by the Neighbor Discovery Protocol (NDP).
-A wait
Repeat -a (dump NDP entries) every wait seconds.
-a
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PFCTL(8) - System Manager’s Manual # PFCTL(8) - System Manager’s Manual
NAME # pfctl - control the packet filter (PF) device
SYNOPSIS # pfctl [-deghNnPqrvz] [-a anchor] [-D macro=value] [-F modifier] [-f file] [-i interface] [-K key] [-k key] [-L statefile] [-o level] [-p device] [-S statefile] [-s modifier [-R id]] [-t table -T command [address …]] [-V rdomain] [-x level]
DESCRIPTION # The pfctl utility communicates with the packet filter device using the ioctl interface described in pf(4).
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RC(8) - System Manager’s Manual # RC(8) - System Manager’s Manual
NAME # rc, rc.firsttime, rc.local, rc.securelevel - command scripts for system startup
DESCRIPTION # rc is the command script that is invoked by init(8) when the system starts up. It performs system housekeeping chores and starts up system daemons. Additionally, rc is intricately tied to the netstart(8) script, which runs commands and daemons pertaining to the network. rc is also used to execute any rc.
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SYSCTL(8) - System Manager’s Manual # SYSCTL(8) - System Manager’s Manual
NAME # sysctl - get or set kernel state
SYNOPSIS # sysctl [-Aanq] [name[=value]]
DESCRIPTION # The sysctl utility retrieves kernel state and allows processes with appropriate privilege to set kernel state. The state to be retrieved or set is described using a “Management Information Base” (MIB) style name, using a dotted set of components.
When retrieving a variable, a subset of the MIB name may be specified to retrieve a list of variables in that subset.
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WATCHDOG(4) - Device Drivers Manual # WATCHDOG(4) - Device Drivers Manual
NAME # watchdog - hardware timers/counters for quick crash recovery
DESCRIPTION # Hardware watchdog timers are devices that reboot the machine when it hangs. The kernel continually resets the watchdog clock on a regular basis. Thus, if the kernel halts, the clock will time out and reset the machine. Watchdog timers may be configured to be reset from userland to cause a reboot if process scheduling fails; see watchdogd(8) for further information.
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XF86(4) - Device Drivers Manual # XF86(4) - Device Drivers Manual
NAME # xf86 - X Window System aperture driver
SYNOPSIS # option APERTURE
DESCRIPTION # On the alpha, amd64, i386, macppc, and sparc64 architectures, the /dev/xf86 driver provides access to the memory and I/O ports of a VGA board and to the PCI configuration registers for use by the X servers when running with a kernel security level greater than 0.
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