Those parameters lets you override values read from the config file.
+ ignore_uuid
+
+Do not check that any UUID embedded in the initramfs matches the discovered
+medium. live-initramfs may be told to generate a UUID by setting
+LIVE_GENERATE_UUID=1 when building the initramfs.
+
integrity-check::
If specified, an MD5 sum is calculated on the live media during boot and
lead to problems by applications like "mono" which store binary paths on
installation.
+ textonly
+
+Start up to text-mode shell prompts, disabling the graphical user interface.
+
timezone=**TIMEZONE**::
By default, timezone is set to UTC. Using the timezone parameter, you can set it