Live session username and hostname can be changed by editing edit/etc/casper.conf:
# This file should go in /etc/casper.conf
# Supported variables are:
# USERNAME, USERFULLNAME, HOST, BUILD_SYSTEM, FLAVOUR
export USERNAME="user"
export USERFULLNAME="Live user"
export HOST="Host"
export BUILD_SYSTEM="Ubuntu"
# USERNAME and HOSTNAME as specified above won't be honoured and will be set to
# flavour string acquired at boot time, unless you set FLAVOUR to any
# non-empty string.
export FLAVOUR="Flavour"
Live session username and hostname can be changed by editing
edit/etc/casper.conf
: