XZ compression command line - init.xz

[clubhighfive]

I’m trying to modify the Init Image on a new 1.0.0 installation, and trying to accomodate for the new XZ compression method. I managed to use the following command line to extract it successfully:
[CODE]xz --decompress init.xz[/CODE]

and the following command line seems to successfully re-compress it:
[CODE]xz --compress init[/CODE]

however when i try to PXE boot, i get an error that the XZ compression method used is not supported. can you tell me the correct way to extract/compress the new init.xz image in the 1.0.0 distribution?

here is my entire init-modifying script:
[CODE]cd /var/www/fog/service/ipxe
xz --decompress init.xz
mkdir initmountdir
mount -o loop init initmountdir
nano initmountdir/usr/share/fog/lib/funcs.sh
cd /var/www/fog/service/ipxe
umount initmountdir/
rmdir initmountdir
xz --compress init
chown fog:www-data init.xz
echo “repacked, ready for client deployment”[/CODE]

[clubhighfive]

…specific message im getting during PXE boot is:
[CODE]Input was encoded with settings that are not supported by this XZ encoder[/CODE]

thanks in advance!

[clubhighfive]

…i think i figured it out! after some googling, i added the CRC32 check and it seems to work normally. here is my whole command line:
[CODE]xz -z -9 -C crc32 init[/CODE]
hope this helps others!

[Tom Elliott]

That is correct.

Sorry I didn’t get a chance to be of assistance, and I will have to create a WIKI to add these minor changes.

XZ requires a small portion of encryption.

[albion]

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