94 lines
2.9 KiB
Groff
94 lines
2.9 KiB
Groff
.TH INITRAMFS.CONF 5 "2010/04/05" "Linux" "initramfs.conf manual"
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.SH NAME
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initramfs.conf \- configuration file for mkinitramfs
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.SH DESCRIPTION
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The behaviour of
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.B mkinitramfs
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can be modified by its configuration file.
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Each line in the file can be a configuration variable, a blank line,
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or a comment. The value of an variable is assigned by an statement
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of the form: \fIname\fP=[\fIvalue\fP]
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Configuration options can be broken out into configuration snippets and
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placed in individual files in the /etc/mkinitramfs/conf.d directory. Files
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in this directory are always read \fBafter\fP the main configuration file,
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so you can override the settings in the main config file without editing it
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directly.
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.SH GENERAL VARIABLES
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.TP
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\fB MODULES
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Specifies the modules for the initramfs image.
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The default setting is \fImost\fP.
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\fImost\fP adds most file system, all video KMS, all ide, sata, scsi and usb drivers.
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\fIdep\fP tries to guess which modules are necessary for the running box.
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\fInetboot\fP adds the base modules, network modules, but skips block devices.
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\fIlist\fP includes only modules from the additional modules list to load them
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early.
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.TP
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\fB KEYMAP
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If set to 'y', the console keymap will be loaded during the initramfs stage.
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The keymap will anyway be loaded by the initscripts later, and the packages
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that might need input will normally set this variable automatically, so there
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should normally be no need to set this.
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.TP
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\fB COMPRESS
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Specifies the compression method used for the initramfs image.
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.B mkinitramfs
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will default to gzip if the kernel lacks support (CONFIG_RD) or the
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corresponding userspace utility is not present.
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.TP
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\fB UMASK
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Set the umask value of the generated initramfs file.
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Useful to not disclose eventual keys.
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.SH NFS VARIABLES
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.TP
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\fB BOOT
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Allows to use an nfs drive as the root of the drive.
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The default is to boot from \fIlocal\fP media (hard drive, USB stick).
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Set to \fInfs\fP for an NFS root share.
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.TP
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\fB DEVICE
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Specifies the network interface, like eth0.
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.TP
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\fB ROOT
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Allows optional root bootarg hardcoding, when no root bootarg can be passed.
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A root bootarg overrides that special setting.
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.TP
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\fB NFSROOT
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Defaults to \fIauto\fP in order to pick up value from DHCP server.
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Otherwise you need to specify \fIHOST:MOUNT\fP.
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.SH FILES
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.TP
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.I /etc/initramfs-tools/initramfs.conf
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.SH AUTHOR
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The initramfs-tools are written by Maximilian Attems <maks@debian.org>,
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Jeff Bailey <jbailey@raspberryginger.com> and numerous others.
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Loosely based on mkinitrd.conf by Herbert Xu.
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This version of initramfs-tools has been modified and improved by
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Juan Romero Pardines <xtraeme@gmail.com> for XBPS - The X Binary
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Package System.
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.SH SEE ALSO
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.BR
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.IR initramfs-tools (8),
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.IR mkinitramfs (8),
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.IR update-initramfs (8).
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