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boxtools/sethostname.sh
2025-07-10 13:14:47 +02:00

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if [[ -f /sys/class/net/eth0/address ]]; then
ETHNAME=$(cat /sys/class/net/end0/address)
BASED=end0
else
ETHNAME=$(cat /sys/class/net/eth0/address)
BASED=eth0
fi
FOUND=($(grep -l -r MAC=$ETHNAME /home/l_samenv/boxtools/cfg))
if [ -z "$FOUND" ]; then
BOXID=${ETHNAME//:/}
BOXID=${BOXID: -6}
HOSTNAME=box$BOXID
else
FOUND=$(basename ${FOUND[0]}) # remove directory part
HOSTNAME=${FOUND%%.cfg} # remove extension
fi
echo "set hostname to $HOSTNAME based on $BASED $ETHNAME"
echo $HOSTNAME > /etc/hostname
echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts