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|
#!/bin/sh
#set -e
# initramfs-tools header
PREREQ=""
prereqs()
{
echo "${PREREQ}"
}
case "${1}" in
prereqs)
prereqs
exit 0
;;
esac
# live-initramfs header
if [ -n "${NOHOSTS}" ]
then
exit 0
fi
. /scripts/live-functions
log_begin_msg "Setting hostname"
# live-initramfs script
# Change hostname only if it is not set
if [ ! -f /root/etc/hostname ] || grep -qs localhost\.localdomain /root/etc/hostname
then
echo "${HOSTNAME}" > /root/etc/hostname
else
HOSTNAME="$(cat /root/etc/hostname)"
really_export HOSTNAME
fi
# Create /etc/hosts only if it is not present or empty
if [ ! -s /root/etc/hosts ]
then
cat > /root/etc/hosts << EOF
127.0.0.1 localhost
127.0.1.1 ${HOSTNAME}
# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
EOF
fi
hostname "${HOSTNAME}"
log_end_msg
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