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donilan/update_hostname.sh

Last active May 11, 2020 01:50
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Update hostname, before execute this script, please export NEW_HOSTNAME=your.new.domain
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update_hostname.sh
#!/usr/bin/env bash
sudo hostname $NEW_HOSTNAME
hostname | sudo tee /etc/hostname
sudo sed -i -e "s/ $(hostname)//g" -e "/127.0.0.1/s/\$/ $(hostname)/" /etc/hosts
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