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Added a new parameter to 'make_slackware_live.sh' script:
-l <localization>
For example, create a liveslak ISO with dutch as the default language
instead of US english:
# ./make_slackware_live.sh -l nl
Using this parameter you can onfigure a different default language
for the resulting ISO image. The default localization if you do not
supply this parameter remains "us" as before.
The boot menu offers a selection of other languages/localizations
to pick from (currently you can select any of 'be br da gb de de_ch es
fr fr_ch it ja nl pt ru se us') but now you can create your own brand
of liveslak ISO with your own language as the default.
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Variables defined on the boot commandline have preference over
any variable set in the .cfg file.
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The new zstd compression support for squashfs modules allows for a much
snappier system because zstd decompression is 5 times faster than that of
xz (see https://sourceforge.net/p/squashfs/mailman/message/35989805/), but
at the expense of ISO sizes that are at least 10% bigger. The latter means
that we have to do some more pruning of the XFCE and PLASMA5 images to make
these fit in a CDROM and DVD image, respectively.
Here are some initial benchmarks with PLASMA5 Live ISO images,
booting in QEMU (times are in minutes:seconds):
Stage ZSTD XZ
---------------------------------------
Boot to runlevel 4 start 0:39 0:50
SDDM Login Manager visible 0:55 1:26
Plasma5 desktop ready 1:42 3:17
I also tested two of the bigger applications, measuring the time between
entering the command in a terminal and having a usable application window:
Stage ZSTD XZ
----------------------------------------
LO Writer window visible 0:17 0:34
Chromium window visible 0:09 0:14
It is obvious that a big Desktop Environment like Plasma5 where a lot of
binaries have to be loaded from their squashfs modules benefits a lot
from zstd, because after booting, the Plasma5 DE is available in
roughly 53% of the time it takes when using xz compression.
Zstd support in squashfs was added to Linux kernel 4.14. That means,
no customimzation of Slackware is required to make the Live OS work from
zstd-compressed squashfs modules.
In order to *create* these zstd-compressed squashfs modules, you will need
some custom packages at the moment, until they get added to Slackware-current:
zstd and a rebuild squashfs-tools to add the lacking zstd support to
mksqhashfs/unsquashfs.
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The configuration file must be in the liveslak main directory ('/liveslak'
by default) and be called 'DISTRO_os.cfg' where DISTRO is the lower-case
name of the distro ('slackware' by default).
The following variables can be defined in the configuration file,
one per line, in the format VAR=value:
BLACKLIST, INIT, KEYMAP, LIVE_HOSTNAME, LOAD, LOCALE, LUKSVOL, NOLOAD,
RUNLEVEL, TWEAKS, TZ, XKB.
Since the configuration file is sourced by the live init script, it is OK
to have comments in it that are prefixed with '#'.
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Purpose: to update the content of a Slackware Live USB stick.
upslak.sh accepts the following parameters:
-b|--nobackup Do not try to backup original kernel and modules.
-d|--devices List removable devices on this computer.
-h|--help This help.
-i|--init <filename> Replacement init script.
-k|--kernel <filename> The kernel file (or package).
-m|--kmoddir <name> The kernel modules directory (or package).
-n|--netsupport Add network boot support if not yet present.
-o|--outdev <filename> The device name of your USB drive.
-p|--persistence Move persistent data into new Live module.
-r|--restore Restore previous kernel and modules.
-s|--scan Scan for insertion of new USB device instead of
providing a devicename (using option '-o').
-v|--verbose Show verbose messages.
-w|--wait<number> Add <number> seconds wait time to initialize USB.
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Use the 'scandev' keyword instead of specifying an actual partition name
if you want liveslak to scan all partitions for the ISO.
Use this if you are not sure of the devicename and have no means of
figuring it out.
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Freetype has enabled a 'new style' of sub-pixel hinting, based on the
Infinality patch but simplified for speed.
Some people feel that this new type of hinting is resulting in worse font
rendering than with the old auto-hinter built into Freetype.
The new tweak 'nsh' effectively disables the new type of sub-pixel hinting
and makes Freetype fall back to the old behaviour.
Usage: add "tweaks=nsh" to the boot commandline of the Live OS.
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New supported LIVEDE value: DLACK
This merge adds Dlackware as a DE choice when generating the ISO.
Dlackware is Slackware with PAM, systemd and Gnome3 (and without KDE4).
I think this is an interesting experiment. Know your enemy ;-)
Thanks to bartgymnast of the Dlackware team who provided the patches.
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This file was forgotten in the previous commit.
It has now also been given a '.tpl' extension in the liveslak sources,
to indicate that it is a template and not usable as-is.
The 'make_slackware_live.sh' script parses the template file and performs
a series of variable substitutions to generate the final 'init' script
inside the initrd of the ISO image.
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Eric Hameleers