diff --git a/conf/mysql_credetials.conf.sample b/conf/mysql_credetials.conf.sample
new file mode 100644
index 0000000..a5f10e3
--- /dev/null
+++ b/conf/mysql_credetials.conf.sample
@@ -0,0 +1,34 @@
+# ----------------------------------------------------
+# ---
+# - Parameter Settings for Script 'optimize_mysql_tables.sh'
+# ---
+# ----------------------------------------------------
+
+
+# - MySQL / MariaDB credentials
+# -
+# - Giving password on command line is insecure an sind mysql 5.5
+# - you will get a warning doing so.
+# - 
+# - Reading username/password fro file ist also possible, using MySQL/MariaDB
+# - commandline parameter '--defaults-file'.
+# - 
+# - Since Version 5.6, that method is considered as insecure. 
+# - To avoid giving the password on command line, we use an 
+# - encrypted option file
+# -
+# -    Create (encrypted) option file:
+# -    $ mysql_config_editor set --login-path=local --socket=/var/run/mysqld/mysqld.sock  --user=backup --password
+# -    $ Password:
+# -
+# -    Use of option file:
+# -    $ mysql --login-path=local ...
+# -
+# - Example
+# -    mysql_credential_args="--login-path=local"
+# -    mysql_credential_args="--defaults-file=/etc/mysql/debian.cnf" (Debian default)
+# -    mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
+# -
+# - Defaults to mysql_credential_args="--login-path=local"
+# -
+mysql_credential_args=""
diff --git a/flush_host_cache.sh b/flush_host_cache.sh
index c6afe5d..45b0909 100755
--- a/flush_host_cache.sh
+++ b/flush_host_cache.sh
@@ -1,5 +1,8 @@
 #!/usr/bin/env bash
 
+working_dir="$(dirname $(realpath $0))"
+conf_file="${working_dir}/conf/mysql_credetials.conf"
+
 #LOGGING=true
 LOGGING=false
 
@@ -15,20 +18,19 @@ if [ -z "$mysqladmin" ]; then
    fi
 fi
 
-## - Since Version 5.6, that method is considered as insecure. 
-## - To avoid giving the password on command line, we use an 
-## - encrypted option file
-## -
-## -    Create (encrypted) option file:
-## -    $ mysql_config_editor set --login-path=local --socket=/var/run/mysqld/mysqld.sock  --user=backup --password
-## -    $ Password:
-## -
-## -    Use of option file:
-## -    $ mysql --login-path=local ...
-## -
-mysql_credential_args="--login-path=local"
-#mysql_user='sys-maint'
-#mysql_password='9A7NUgaJST1XiEUU'
+
+#---------------------------------------
+#-----------------------------
+# Read Configurations from $conf_file
+#-----------------------------
+#---------------------------------------
+
+if [[ -f "$conf_file" ]]; then
+   source "$conf_file"
+fi
+
+[[ -z "$mysql_credential_args" ]] && mysql_credential_args="--login-path=local"
+
 
 if $LOGGING ;then
    echo -e "\n[ `date` ] Going to flush host cache.."
diff --git a/flush_query_cache.sh b/flush_query_cache.sh
index f885981..71b0366 100755
--- a/flush_query_cache.sh
+++ b/flush_query_cache.sh
@@ -1,5 +1,8 @@
 #!/usr/bin/env bash
 
+working_dir="$(dirname $(realpath $0))"
+conf_file="${working_dir}/conf/mysql_credetials.conf"
+
 #LOGGING=true
 LOGGING=false
 
@@ -15,20 +18,19 @@ if [ -z "$mysql" ]; then
    fi
 fi
 
-## - Since Version 5.6, that method is considered as insecure. 
-## - To avoid giving the password on command line, we use an 
-## - encrypted option file
-## -
-## -    Create (encrypted) option file:
-## -    $ mysql_config_editor set --login-path=local --socket=/var/run/mysqld/mysqld.sock  --user=backup --password
-## -    $ Password:
-## -
-## -    Use of option file:
-## -    $ mysql --login-path=local ...
-## -
-mysql_credential_args="--login-path=local"
-#mysql_user='sys-maint'
-#mysql_password='9A7NUgaJST1XiEUU'
+
+#---------------------------------------
+#-----------------------------
+# Read Configurations from $conf_file
+#-----------------------------
+#---------------------------------------
+
+if [[ -f "$conf_file" ]]; then
+   source "$conf_file"
+fi
+
+[[ -z "$mysql_credential_args" ]] && mysql_credential_args="--login-path=local"
+
 
 if $LOGGING ;then
    echo -e "\n[ `date` ] Going to flush query cache.."
diff --git a/optimize_mysql_tables.sh b/optimize_mysql_tables.sh
index be84e05..ff6d827 100755
--- a/optimize_mysql_tables.sh
+++ b/optimize_mysql_tables.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 working_dir="$(dirname $(realpath $0))"
-conf_file="${working_dir}/conf/optimize_mysql_tables.conf"
+conf_file="${working_dir}/conf/mysql_credetials.conf"
 
 # - Is this script running on terminal ?
 # -