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nm-initrd-generator
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nm-initrd-generator — early boot NetworkManager configuration generator
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Synopsis
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nm-initrd-generator [OPTIONS...] -- [CMDLINE...]
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Description
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nm-initrd-generator scans the command line for options
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relevant to network configuration and creates configuration files for an early
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instance of NetworkManager run from the initial ramdisk during early boot.
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Options
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-c | --connections-dir
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path
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Output connection directory.
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-i | --initrd-data-dir
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path
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Output directory for initrd data (e.g. hostname).
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-d | --sysfs-dir
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path
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The sysfs mount point.
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-r | --run-config-dir
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path
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Output directory for config files.
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-s | --stdout
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Dump connections to standard output. Useful for debugging.
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CMDLINE
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The options that appear on the kernel command line. The following options are recognized:
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ip
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rd.route
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bridge
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bond
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team
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vlan
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bootdev
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nameserver
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rd.peerdns
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rd.bootif
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rd.net.timeout.dhcp
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rd.net.timeout.carrier
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BOOTIF
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Please consult the dracut.cmdline(7)
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manual for the documentation of the precise format of the values supported.
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Differences from the network-legacy dracut module
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nm-initrd-generator generates a set of
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connections that are then configured by the NetworkManager
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instance running in the initrd. There are some differences in
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behavior compared to the network-legacy dracut module:
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When an interface is configured with a static address
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and a gateway, the network-legacy module waits that the
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gateway responds to arping requests before proceeding, while
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NetworkManager doesn't.
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network-legacy configures interfaces one by one in the
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order in which they are announced by udev. If multiple
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interfaces specify a hostname (from command line or from
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DHCP), the one from the last interface activated wins. With
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NetworkManager, hostnames from command line have higher
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precedence over ones from DHCP, and the last that appears in
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the command line wins.
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Exit Status
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nm-initrd-generator exits with status 0. It ignores unrecognized
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options and prints an error message if it encounters a malformed option.
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See Also
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dracut.cmdline(7),
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NetworkManager(8).
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