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So we do a string comparison instead.
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Liveslak used to assign the label 'EFI' to the FAT filesystem on the
EFI System Partition (ESP). Some UEFI firmwares however cannot cope
with a volume- or labelname that is identical to the EFI directory name.
When that happens, the buggy firmware decides that an EFI directory
does not exist. The computer will not boot.
To make liveslak work on those buggy firmwares, it needs to use any name
*except* 'EFI'. Let's pick 'ESP' instead, which is still informative
about the 'EFI System Partition'.
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Notably kpipewire, kio-zeroconf, ksanecore, skanpage, kColorPicker
and kImageAnnotator are new packages, some are required for scanning paper,
and without kpipewire the Plasma taskbar does not want to appear on-screen.
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This was changed in commit dd0327d77f2741474245ecd3026cf66e55581733 when
adding full Ventoy support but I had not thought through all the consequences.
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New features:
Ventoy is now fully supported.
Liveslak implements the "Ventoy-compatible" guideline. There is nothing you
have to do, this works out of the box.
When you are booting from an ISO file (whether via Ventoy, or through your own
hand-crafted Grub menu entry, or Windows BCD), Operating System persistence
and an encrypted homedirectory are now supported, as well as the ability
to load additional live modules (as 'addons' or 'optional') that are not
part of the ISO.
All of this is possible without the need for any modification to the ISO image.
The configuration is stored in a file next to the ISO.
A new script, "isocomp.sh" aka the ISO Companion script, has been added.
Like with all of my scripts, it accepts a "--help" parameter which will
show you how to use it.
This script allows you to:
- create encrypted containers for OS persistence and a persistent homedirectory
(actually not just for /home but you can create as many containers as
fit on the disk and mount them wherever you want)
- size extension of existing encrypted containers if they threaten to run
out of space
- creating a secondary liveslak root on the disk partition where you can
add more (optional/add-on) live modules that you need in the Live OS
but are not contained in the ISO
The configuration of these new features is stored in a file with the same
name and full path as the ISO file but with a ".cfg" file extension instead
of ".iso". The "isocomp.sh" script manages this configuration file for you,
but you can safely edit and modify it manually if you want to. The "isocomp.sh"
script will leave your customizations alone.
Here is an example of such a configuration file; it is copied from
my own Ventoy disk, for a Slackware LEAN Live ISO image:
LIVESLAKROOT=/liveslak
LUKSVOL=/liveslak/myhome.icc:/home
ISOPERSISTENCE=/liveslak/persistence.icc
TZ=Europe/Amsterdam
LIVE_HOSTNAME=zelazny
I added the variables "TZ" and "LIVE_HOSTNAME" manually by opening the
configuration file in an editor.
The following variables are supported in the isocomp configuration file,
but not managed by "isocomp.sh"; they all correspond to liveslak
boot parameters by the way:
BLACKLIST, KEYMAP, LIVE_HOSTNAME, LOAD, LOCALE,
NOLOAD, RUNLEVEL, TWEAKS, TZ and XKB.
The value of the "LUKSVOL" variable can hold multiple
"containerfile:mountpoint" definitions, separated by commas.
The variable "LIVESLAKROOT" defines the root of a secondary liveslak
directory tree on your disk.
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Because the used $PERSISTENCE value can have a pathname component,
and the custom naming does not add value anyway.
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Helps visually dividing the script in sections
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Parameter values should only be set from ${DISTRO}_os.cfg if they have
not already been dedfined by commandline parameters.
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toram=
Generic syntax: toram=type[,memperc]
- type: string value; os,core,all,none
- memperc: integer value, percentage RAM to reserve for liveslak
You can use a 'memperc' value for the 'toram' parameter to change
the percentage RAM used by liveslak, which is 50% of all available RAM
for normal operation.
For instance when you have 128 GB of RAM, you can specify a much lower
percentage to be reserved for liveslak. RAM will specifically be used
if you run liveslak without persistence, which means that any changes are
accumulating in RAM instead of on-disk.
Example:
Give liveslak ~6 GB (5%) to run the OS on a computer with 128 GB of RAM:
'toram=none,5'
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When the value of 'debug' parameter is equal to or greater than '2',
the init script enables 'set -x' which results in verbose output of
init script execution. When the 'ash' shell is started as '/bin/sh' instead
of '/bin/ash', it enables bash-compatible mode. Then the script can use
'BASH_XTRACEFD' to log the verbose script output to a file '/debug_init.log'.
This is extremely useful for init debugging. Logging to file is enabled when
the value of 'debug' is '4' or higher.
When you boot with 'debug=4, you will end up in the rescue shell of the initrd.
You can then inspect '/debug_init.log' to diagnose issues with the boot-up,
and you can copy that logfile for instance to /mnt/overlay/root/ if you want
to preserve it. After typing 'exit', the live init will hand-over to
the Slackware OS initialization and after logging in you can copy the logfile
to a network location if you want.
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Persistent data will not be migrated when switching from
a persistence directory to a persistence container file.
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This needed libindicator, libappindicator in x_base instead of z00_plasma5supp.
I also added ntfs-3g on request.
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Eric Hameleers
