21 lines
561 B
Plaintext
21 lines
561 B
Plaintext
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#!/bin/bash
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# This script is to update hostname of the system.
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if [ "$reason" != BOUND ] && [ "$reason" != RENEW ] \
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&& [ "$reason" != REBIND ] && [ "$reason" != REBOOT ]
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then
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exit 0
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fi
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current_host_name=`hostname -s`
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if [ "$current_host_name" != "$new_host_name" ]
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then
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echo $new_host_name > /etc/hostname
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line_to_replace=`grep 127.0.0.1.*$current_host_name /etc/hosts`
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new_line=`echo $line_to_replace | sed "s/$current_host_name/$new_host_name/"`
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sed -i "s/$line_to_replace/$new_line/" /etc/hosts
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hostname -F /etc/hostname
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fi
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