AUTOINSTALL(8) - System Manager’s Manual # AUTOINSTALL(8) - System Manager’s Manual
NAME # autoinstall - unattended OpenBSD installation and upgrade
DESCRIPTION # autoinstall allows unattended installation or upgrade of OpenBSD by automatically responding to installer questions with answers from a response file. autoinstall uses DHCP to discover the location of the response file and HTTP to fetch the file. If that fails, the installer asks for the location which can either be a URL or a local path.
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CONFIG(8) - System Manager’s Manual # CONFIG(8) - System Manager’s Manual
NAME # config - build kernel compilation directories or modify a kernel
SYNOPSIS # config [-p] [-b builddir] [-s srcdir] [config-file]
config -e [-u] [-c cmdfile] [-f | -o outfile] infile
DESCRIPTION # In the first synopsis form, the config program creates a kernel build directory from the kernel configuration file specified by config-file.
In the second synopsis form, config allows editing of the kernel binary specified by infile.
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DHCLIENT.CONF(5) - File Formats Manual # DHCLIENT.CONF(5) - File Formats Manual
NAME # dhclient.conf - DHCP client configuration file
DESCRIPTION # dhclient.conf is the configuration file for dhclient(8). It is a free-form ASCII text file made up of declarations, extra tabs and newlines for formatting purposes and comments. Keywords in the file are case-insensitive. Comments begin with the ‘#’ character and extend to the end of the current line.
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DHCLIENT.LEASES(5) - File Formats Manual # DHCLIENT.LEASES(5) - File Formats Manual
NAME # dhclient.leases - DHCP client lease database
DESCRIPTION # dhclient(8) keeps a persistent database of leases that it has acquired that are still valid. The database is a free-form ASCII file containing one valid declaration per lease. The file is written as a log, so the last declaration is the most recent lease obtained.
The lease file is named /var/db/dhclient.
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DHCPD.CONF(5) - File Formats Manual # DHCPD.CONF(5) - File Formats Manual
NAME # dhcpd.conf - DHCP server configuration file
DESCRIPTION # The dhcpd.conf file contains configuration information for dhcpd(8), the Internet Software Consortium DHCP Server.
The dhcpd.conf file is a free-form ASCII text file. It is parsed by the recursive-descent parser built into dhcpd(8). The file may contain extra tabs and newlines for formatting purposes. Keywords in the file are case-insensitive.
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DHCPD.LEASES(5) - File Formats Manual # DHCPD.LEASES(5) - File Formats Manual
NAME # dhcpd.leases - DHCP server lease database
DESCRIPTION # The Internet Software Consortium DHCP Server keeps a persistent database of leases that it has assigned. This database is a free-form ASCII file containing a series of lease declarations. Every time a lease is acquired, renewed or released, its new value is recorded at the end of the lease file.
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Netstart,
Netintro,
Options,
Sysctl,
Protocols,
Ifconfig,
Inet,
Egre,
Ip,
Hostname.if,
Eoip EOIP(4) - Device Drivers Manual # EOIP(4) - Device Drivers Manual
NAME # eoip - MikroTik Ethernet over IP tunnel network device
SYNOPSIS # pseudo-device gre
DESCRIPTION # The eoip interface provides tunnelling of Ethernet frames across IPv4 and IPv6 networks using the MikroTik Ethernet over IP (EoIP) encapsulation protocol.
The protocol is based on the Generic Routing and Encapsulation (GRE) protocol. GRE datagrams (IP protocol number 47) consist of a GRE header and an outer IP header for encapsulating another protocol’s datagram.
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Netstart,
Netintro,
Options,
Sysctl,
Protocols,
Eoip,
Ifconfig,
Inet,
Ip,
Hostname.if,
Gre GRE(4) - Device Drivers Manual # GRE(4) - Device Drivers Manual
NAME # gre, mgre, egre, nvgre - Generic Routing Encapsulation network device
SYNOPSIS # pseudo-device gre
DESCRIPTION # The gre pseudo-device provides interfaces for tunnelling protocols across IPv4 and IPv6 networks using the Generic Routing Encapsulation (GRE) encapsulation protocol.
GRE datagrams (IP protocol number 47) consist of a GRE header and an outer IP header for encapsulating another protocol’s datagram.
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IPSEC(4) - Device Drivers Manual # IPSEC(4) - Device Drivers Manual
NAME # ipsec - IP Security Protocol
DESCRIPTION # IPsec is a pair of protocols, Encapsulating Security Payload (ESP) and Authentication Header (AH), which provide security services for IP datagrams.
Both protocols may be enabled or disabled using the following sysctl(2) variables in /etc/sysctl.conf. By default, both protocols are enabled:
net.inet.esp.enable
Enable the ESP IPsec protocol
net.inet.ah.enable
Enable the AH IPsec protocol
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KUBSAN(4) - Device Drivers Manual # KUBSAN(4) - Device Drivers Manual
NAME # kubsan - kernel undefined behavior sanitizer
SYNOPSIS # option KUBSAN
DESCRIPTION # kubsan detects undefined behavior at runtime inside the kernel. Detected undefined behavior is printed to the system console, including the offending line in the source code.
By default, kubsan is not enabled but instead requires the following line to be present in the kernel configuration:
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