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INDEX
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* Alternative boot methods (configs/releng)
* ISO in loopback mode
* ISO in memdisk mode
* Network booting (PXE) [first stage]
* DHCP + TFTP
* DHCP + HTTP
* HTTP/NFS/NBD [second stage]
*** Alternative boot methods (configs/releng)
ISO images names consist of: parabola-<YYYY>.<MM>.<DD>-dual.iso
Where:
<YYYY> Year
<MM> Month
<DD> Day
** ISO in loopback mode.
Note: Described method is for using with GRUB2.
GRUB2 is installed on target media and parabola-<YYYY>.<MM>.<DD>-dual.iso
is at path <TARGET-PATH> on disk <D> and partition <P>,
where filesystem is labeled as <TARGET-FS-LABEL>.
menuentry "Parabola GNU/Linux-libre (x86_64)" {
set isofile="/<TARGET-PATH>/parabola-<YYYY>.<MM>.<DD>-dual.iso"
loopback loop (hd<D>,<P>)$isofile
linux (loop)/parabola/boot/x86_64/vmlinuz parabolaisolabel=<FS-LABEL> img_label=<TARGET-FS-LABEL> img_loop=$isofile
initrd (loop)/parabola/boot/x86_64/parabolaiso.img
}
menuentry "Parabola GNU/Linux-libre (i686)" {
set isofile="/<TARGET-PATH>/parabola-<YYYY>.<MM>.<DD>-dual.iso"
loopback loop (hd<D>,<P>)$isofile
linux (loop)/parabola/boot/i686/vmlinuz parabolaisolabel=<FS-LABEL> img_label=<TARGET-FS-LABEL> img_loop=$isofile
initrd (loop)/parabola/boot/i686/parabolaiso.img
}
** ISO in memdisk mode.
Note: Described method is for using with SYSLINUX. Anyway MEMDISK from SYSLINUX can work
with other bootloaders.
SYSLINUX is installed on target media and parabola-<YYYY>.<MM>.<DD>-dual.iso
is at path <TARGET-PATH>.
On 32-bit systems, is needed to pass vmalloc=nnM to the kernel, where nn is the size
of the ISO image plus 64 MiB (or 128 MiB).
LABEL parabola_x64
LINUX memdisk
INITRD /<TARGET-PATH>/parabola-<YYYY>.<MM>.<DD>-dual.iso
APPEND iso
LABEL parabola_x32
LINUX memdisk
INITRD /<TARGET-PATH>/parabola-<YYYY>.<MM>.<DD>-dual.iso
APPEND iso
** Network booting (PXE).
All ISOs are ready to act as PXE server, some manual steps are needed
to setup the desired PXE boot mode.
Alternatively it is possible to use an existing PXE server following the same logic.
Note: Setup network first, adjust IP adresses, and respect all slashes "/".
First stage is for loading kernel and initramfs via PXE, two methods described here:
* DHCP + TFTP
Note: All NIC firmwares should support this.
# dnsmasq --port=0 \
--enable-tftp \
--tftp-root=/run/parabolaiso/bootmnt \
--dhcp-range=192.168.0.2,192.168.0.254,86400 \
--dhcp-boot=/parabola/boot/syslinux/gpxelinux.0 \
--dhcp-option-force=209,boot/syslinux/parabolaiso.cfg \
--dhcp-option-force=210,/parabola/
* DHCP + HTTP
Note: Not all NIC firmware supports HTTP and DNS (if domain name is used).
At least this works with iPXE and gPXE.
# dnsmasq --port=0 \
--dhcp-range=192.168.0.2,192.168.0.254,86400 \
--dhcp-boot=http://192.168.0.7/parabola/boot/syslinux/gpxelinux.0 \
--dhcp-option-force=209,boot/syslinux/parabolaiso.cfg \
--dhcp-option-force=210,http://192.168.0.7/parabola/
Once the kernel is started from PXE, SquashFS files and other misc files
inside "parabola" directory must be loaded (second stage). One of the following
methods can be used to serve the rest of live-medium.
* HTTP
# darkhttpd /run/parabolaiso/bootmnt
* NFS
# echo "/run/parabolaiso/bootmnt 192.168.0.*(ro,no_subtree_check,no_root_squash)" >> /etc/exports
# systemctl start rpc-mountd.service
* NBD
Note: Adjust PARABOLA_201302 as needed.
# cat << EOF > /tmp/nbd-server.conf
[generic]
[parabolaiso]
readonly = true
exportname = /dev/disk/by-label/PARABOLA_201302
EOF
# nbd-server -C /tmp/nbd-server.conf
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