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if [ -n "$new_host_name" ]; then
if ! echo "$new_host_name" | egrep -q '^.*-eth.*$'; then
if [ -n "$new_domain_name" ]; then
hostname="${new_host_name}.${new_domain_name}"
else
hostname="${new_host_name}"
fi
echo "$hostname" > /etc/hostname 2> /dev/null
hostname "$hostname"
echo "$hostname" > /etc/mailname 2> /dev/null
fi
systemctl restart syslog
fi
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