Files
boxtools/sethostname.sh
Markus Zolliker ab195cc90f allow predictable network interfaces
on dual-eth-raspi:
- eth0 -> end0
- eth1 -> enx...
2025-06-27 16:02:38 +02:00

18 lines
525 B
Bash

if [[ -f /sys/class/net/eth0/address ]]; then
ETHNAME=$(cat /sys/class/net/eth0/address)
else
ETHNAME=$(cat /sys/class/net/end0/address)
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
echo "hostname $HOSTNAME"
fi
echo $HOSTNAME > /etc/hostname
echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts