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create device nodes in initrd
Signed-off-by: Justin Cormack <justin.cormack@unikernel.com>
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@ -1,6 +1,6 @@
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all: initrd.img
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all: initrd.img
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initrd.img: Dockerfile repositories etc/hostname etc/motd etc/inittab
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initrd.img: Dockerfile mkinitrd.sh repositories etc/hostname etc/motd etc/inittab
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rm -f initrd.img
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rm -f initrd.img
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docker build -t moby:test .
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docker build -t moby:test .
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docker run -i -v $(PWD):/export moby:test /export/mkinitrd.sh
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docker run -i -v $(PWD):/export moby:test /export/mkinitrd.sh
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@ -1,3 +1,47 @@
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#!/bin/sh
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#!/bin/sh
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find / -xdev | cpio -H newc -o > /export/initrd.img
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set -e
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rm -rf /tmp/*
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for f in $(ls | grep -vE 'dev|sys|proc|tmp|export')
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do
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cp -a $f /tmp
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done
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mkdir -m 555 /tmp/dev /tmp/proc /tmp/sys
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mkdir -m 1777 /tmp/tmp
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cd /tmp/dev
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mknod -m 666 null c 1 3
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mknod -m 666 full c 1 7
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mknod -m 666 ptmx c 5 2
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mknod -m 644 random c 1 8
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mknod -m 644 urandom c 1 9
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mknod -m 666 zero c 1 5
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mknod -m 666 tty c 5 0
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mknod -m 600 ttyS0 c 4 64
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# we are using sata emulation at present
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mknod -m 600 sda b 8 0
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mknod -m 600 sda1 b 8 1
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mknod -m 600 sda2 b 8 2
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mknod -m 600 sda3 b 8 3
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mknod -m 600 sda4 b 8 4
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mknod -m 600 sda5 b 8 5
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mknod -m 600 sda6 b 8 6
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mknod -m 600 sdb b 8 16
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mknod -m 600 sdb1 b 8 17
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mknod -m 600 sdb2 b 8 18
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mknod -m 600 sdb3 b 8 19
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mknod -m 600 sdb4 b 8 20
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mknod -m 600 sdb5 b 8 21
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mknod -m 600 sdb6 b 8 22
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mkdir pty
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cd /tmp
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find . | cpio -H newc -o > /export/initrd.img
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