add init_host.sh change 127's hosts

danielfeng · Dec 24, 2012 · fc33c39 · fc33c39
1 parent 3a156cf
commit fc33c39
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diff --git a/sbin/init_bashrc.sh.bak1217 b/sbin/init_bashrc.sh.bak1217
diff --git a/sbin/init_hosts.sh b/sbin/init_hosts.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Author : danielfeng
+# E-mail : [email protected]
+
+OLOCALHOST=`grep "127.0.0.1" /etc/hosts | awk '{print $2" "$3}'`
+NLOCALHOST="localhost.localdomain localhost"
+COUNT=`grep -c "127.0.0.1" /etc/hosts`
+
+if [[ ${COUNT} -ge 2 ]] ; then
+    exit 
+elif [[ "${OLOCALHOST}" != "${NLOCALHOST}" ]] ; then
+	sed -i 's/^127/#127/g' /etc/hosts
+    sed -i '/^#127/a\127.0.0.1 localhost.localdomain localhost' /etc/hosts
+fi