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trepidity/setHostname.sh

Created May 27, 2020 21:52
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set machine hostname (FOR NAM)
Raw
setHostname.sh
echo "Creating host entry..." | tee -a $LOG_OUTPUT
HOST_NAME=`hostname`
IP_ADDR=`ip addr | grep -Po '(?!(inet 127.\d.\d.1))(inet \K(\d{1,3}\.){3}\d{1,3})' | head -n 1`
HOST_PRESENT=`grep $HOST_NAME /etc/hosts`
if [ -z "$HOST_PRESENT" ]
then
echo -e "$IP_ADDR\t$HOST_NAME\t$HOST_NAME" >> /etc/hosts
fi
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