From 445fce6dfb52140ec6829a8c2e910d3277e80212 Mon Sep 17 00:00:00 2001
From: "luk.lu" <luk.lu@faronear.org>
Date: Thu, 17 Nov 2022 13:36:00 +0800
Subject: [PATCH] u

---
 rename-host.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rename-host.sh b/rename-host.sh
index 1057e3c..6f980a6 100644
--- a/rename-host.sh
+++ b/rename-host.sh
@@ -8,8 +8,10 @@ fi
 
 if [ $NewHostname ]
 then
+  OldHostname=`hostname`
   hostnamectl set-hostname $NewHostname
-  echo "127.0.0.1 $NewHostname" >> /etc/hosts
+  sed -i "s|\b$OldHostname$\b|$NewHostname|g" /etc/hosts
+  # echo "127.0.0.1 $NewHostname" >> /etc/hosts
 else
   echo 'Nothing changed >>>'
 fi