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diff --git a/update-initramfs.8 b/update-initramfs.8 new file mode 100644 index 0000000..b36fc57 --- /dev/null +++ b/update-initramfs.8 @@ -0,0 +1,95 @@ +.TH UPDATE-INITRAMFS 8 "2014/10/16" "initramfs\-tools" "System Administration" + +.SH NAME +update\-initramfs \- generate an initramfs image + +.SH SYNOPSIS +.B update\-initramfs +.RB { \-c | \-d | \-u } +.RB [ \-k +.IR version ] +.RB [ \-v ] +.RB [ \-b +.IR directory ] +.br +.BR update\-initramfs " " \-h +.SH DESCRIPTION +The +.B update\-initramfs +script manages your initramfs images on your local box. +It keeps track of the existing initramfs archives in /boot. +There are three modes of operation create, update or delete. +You must at least specify one of those modes. + +The initramfs is a gzipped cpio archive. +At boot time, the kernel unpacks that archive into RAM disk, mounts and +uses it as initial root file system. All finding of the root device +happens in this early userspace. + +.SH OPTIONS +.TP +\fB\-k \fI version +Set the specific kernel version for whom the initramfs will be generated. +For example the output of uname \-r for your currently running kernel. +This argument is optional for update. The default is the latest kernel version. + +The use of "all" for the +.I version +string specifies that +.B update\-initramfs +should operate on all installed kernel versions (with \fB\-c\fR), or +on all installed kernel versions that already have an initramfs +(with \fB\-d\fR or \fB\-u\fR). + +.TP +\fB\-c +This mode creates a new initramfs. + +.TP +\fB\-u +This mode updates an existing initramfs. + +.TP +\fB\-d +This mode deletes an existing initramfs. + +.TP +\fB\-v +This option increases the amount of information you are given during +the chosen action. + +.TP +\fB\-b \fI directory +Set an different bootdir for the image creation. + +.TP +\fB\-h\fR, \fB--help\fR +Print a short help page describing the available options in +.B update\-initramfs. + +.SH EXAMPLES + +Update the initramfs of the newest kernel: + +.PP +.B update\-initramfs -u + + +Create the initramfs for a specific kernel: + +.PP +.B update\-initramfs -c -k 2.6.18-1-686 + +.SH FILES +/etc/initramfs-tools/update-initramfs.conf + +.SH AUTHOR +The initramfs-tools are written by Maximilian Attems <maks@debian.org>, +Jeff Bailey <jbailey@raspberryginger.com> and numerous others. + +.SH SEE ALSO +.BR +.IR initramfs.conf (5), +.IR initramfs-tools (7), +.IR mkinitramfs (8), +.IR lsinitramfs (8). |