| System: Linux srv913213 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 x86_64 Current Path : /usr/share/initramfs-tools/hooks/ |
| Current File : //usr/share/initramfs-tools/hooks/overlayroot |
#!/bin/sh
set -e
PREREQS="cryptsetup"
case $1 in
prereqs) echo "${PREREQS}"; exit 0;;
esac
. /usr/share/initramfs-tools/hook-functions
##
copy_exec /usr/bin/head /bin
copy_exec /usr/bin/sha512sum /bin
copy_exec /sbin/wipefs /sbin
copy_exec /sbin/cryptsetup /sbin
copy_exec /sbin/mke2fs /sbin
manual_add_modules overlayfs
manual_add_modules overlay
manual_add_modules dm_mod
manual_add_modules dm_crypt
# this is '||' only in case this module isn't built
manual_add_modules aesni_intel || true
# Grab as much true random data as possible, up to 4KB, and stash it into a
# random seed in the initramfs
dd if=/dev/random of="${DESTDIR}/.random-seed" bs=1 count=4096 iflag=nonblock >/dev/null 2>&1 || true
# vi: ts=4 noexpandtab