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NAME | SYNOPSIS | DESCRIPTION | KERNEL COMMAND LINE OPTIONS | CREDENTIALS | SEE ALSO | COLOPHON |
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SYSTEM...ERVICE(8) systemd-network-generator.service SYSTEM...ERVICE(8)
systemd-network-generator.service, systemd-network-generator -
Generate network configuration from the kernel command line
systemd-network-generator.service
/usr/lib/systemd/systemd-network-generator
systemd-network-generator.service is a system service that
translates ip= and related settings on the kernel command line
(see below) into systemd.network(5), systemd.netdev(5), and
systemd.link(5) configuration files understood by
systemd-networkd.service(8) and systemd-udevd.service(8).
Files are generated in /run/systemd/network/.
Note: despite the name, this generator executes as a normal
systemd service and is not an implementation of the
systemd.generator(7) concept.
This tool understands the following options:
ip=, nameserver=, rd.route=, rd.peerdns=
Translated into systemd.network(5) files.
In addition to the parameters dracut.cmdline(7) defines the
ip= option accepts the special value "link-local". If
selected, the network interfaces will be configured for
link-local addressing (IPv4LL, IPv6LL) only, DHCP or IPv6RA
will not be enabled.
Added in version 245.
ifname=, net.ifname_policy=
Translated into systemd.link(5) files.
Added in version 245.
vlan=, bond=, bridge=, bootdev=
Translated into systemd.netdev(5) files.
Added in version 245.
See dracut.cmdline(7) and systemd-udevd.service(8) for option
syntax and details.
systemd-network-generator supports the service credentials logic
as implemented by ImportCredential=/LoadCredential=/SetCredential=
(see systemd.exec(5) for details). The following credentials are
used when passed in:
network.conf.*, network.link.*, network.netdev.*,
network.network.*
These credentials should contain valid networkd.conf(5),
systemd.link(5), systemd.netdev(5), systemd.network(5)
configuration data. From each matching credential a separate
file is created. Example: a passed credential
network.link.50-foobar will be copied into a configuration
file 50-foobar.link.
Note that the resulting files are created world-readable, it
is hence recommended to not include secrets in these
credentials, but supply them via separate credentials directly
to systemd-networkd.service.
Added in version 256.
Note that by default the systemd-network-generator.service unit
file is set up to inherit the these credentials from the service
manager.
systemd(1), systemd-networkd.service(8), dracut(8)
This page is part of the systemd (systemd system and service
manager) project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have a
bug report for this manual page, see
⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.
This page was obtained from the project's upstream Git repository
⟨https://github.com/systemd/systemd.git⟩ on 2025-02-02. (At that
time, the date of the most recent commit that was found in the
repository was 2025-02-02.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
systemd 258~devel SYSTEM...ERVICE(8)
Pages that refer to this page: systemd.link(5), systemd.netdev(5), systemd.network(5), kernel-command-line(7), systemd.directives(7), systemd.index(7), systemd.system-credentials(7), systemd-networkd.service(8), systemd-storagetm.service(8), systemd-udevd.service(8)
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HTML rendering created 2025-02-02 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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