template/change_hostname.bash aktualisiert

template/change_hostname.bash

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# Current Hostname
+CHOST=$(hostname)
+
+# Search parameters
+DEFNAME=template
+DEFDOM=local.tld
+
+errormsg() {
+ echo "Bitte Hostnamen und Domain angeben: $0 <hostname> <domain>"
+ exit 0
+}
+
+# check hostname
+if [[ -z "$1" ]]; then 
+ errormsg
+else
+ HNAME=$1
+fi
+
+# check domain
+if [[ -z "$2" ]]; then 
+ errormsg
+else
+ DOMNAME=$2
+fi
+
+# Domain
+FQDN=${HNAME}.${DOMNAME}
+
+# Status:
+echo "------------------------------------------------------"
+echo "Aktueller Hostname (hostname -f): $(hostname -f)"
+echo "             (cat /etc/hostname): $(cat /etc/hostname)"
+echo "Ersetzungs-Suchmuster           : ${DEFNAME}.${DEFDOM}"
+echo "neuer Hostname                  : ${FQDN}"
+echo "------------------------------------------------------"
+echo 
+echo "<press Enter>"
+read
+
+sed -i -e "s/${DEFNAME}.${DEFDOM}/${FQDN}/g" /etc/exim4/update-exim4.conf.conf
+sed -i -e "s/${DEFNAME}.${DEFDOM}/${FQDN}/g" /etc/hosts
+sed -i -e "s/${DEFNAME}/${HNAME}/g"            /etc/hosts
+sed -i -e "s/${DEFNAME}.${DEFDOM}/${FQDN}/g" /etc/mailname
+sed -i -e "s/${DEFNAME}/${HNAME}/g"            /etc/hostname
+