diff --git a/plugins/postgresql/index.py b/plugins/postgresql/index.py
index f7bc367e7..ac04c53b9 100755
--- a/plugins/postgresql/index.py
+++ b/plugins/postgresql/index.py
@@ -244,6 +244,10 @@ def status(version=''):
     return 'start'
 
 
+def pgCmd(cmd):
+    return = "su - postgres -c \"" + cmd + "\""
+
+
 def pGetDbUser():
     if mw.isAppleSystem():
         user = mw.execShell(
@@ -257,7 +261,7 @@ def initPgData():
     if not os.path.exists(serverdir + '/data'):
         cmd = serverdir + '/bin/initdb -D ' + serverdir + "/data"
         if not mw.isAppleSystem():
-            cmd = "su - postgres -c \"" + cmd + "\""
+            cmd = pgCmd(cmd)
         # print(cmd)
         mw.execShell(cmd)
         return False
@@ -277,8 +281,8 @@ def initPgPwd():
 
     cmd_pass = "echo \"alter user postgres with password '" + pwd + "'\" | "
     if not mw.isAppleSystem():
-        cmd_pass = cmd_pass + ' su - postgres -c "' + \
-            serverdir + '/bin/psql -d postgres"'
+        cmd = serverdir + '/bin/psql -d postgres'
+        cmd_pass = cmd_pass + ' ' pgCmd(cmd)
     else:
         cmd_pass = cmd_pass + serverdir + '/bin/psql -d postgres'
 
diff --git a/plugins/postgresql/versions/14.4/install.sh b/plugins/postgresql/versions/14.4/install.sh
index 85bdbb6ac..e3253f578 100755
--- a/plugins/postgresql/versions/14.4/install.sh
+++ b/plugins/postgresql/versions/14.4/install.sh
@@ -15,6 +15,8 @@ postgreDir=${serverPath}/source/postgresql
 
 VERSION=14.4
 
+# su - postgres -c
+
 Install_App()
 {
 	mkdir -p ${postgreDir}