Learn How to change login banner message in GUI mode in CentOS 6 / RHEL 6 or above version. When user login through the GUI mode, it will see the message on Screen.

In previous version of CentOS means CentOS 5.x with the help of command

gdmsetup

we used to change the login banner.

Now in CentOS 6 the gdmsetup command is not available.So if you want to change the login banner in CentOS 6 or above you can do it through either command gconftool-2 or gconf-editor.

Here in this practical I am using gconf-editor which is easy to use for all.

To change the login banner in GUI mode follow the given below steps.

Step 1: Login in GUI mode or also know as Runlevel 5

Step 2: Open the terminal .
Applications >> System Tools >> Terminal

Step 3 : Install gconf-editor

yum install gconf-editor

Step 4 : After installing gconf-editor. Open the “Confguration Editor” either by using command gconf-editor in terminal or click on Applications >> System Tools >> Configuration Editor

Step 5: Configuration Editor will open.Now click on –
apps >> gdm >> simple-greeter

Step 6 : When you click on simple-greeter. At right hand side panel you will some keys.
You have to edit only two keys.
banner_message_enable –> double click and select true
banner_message_text –> in value field “type your message”

Step 7: Now Right click on both edited keys one by one that is banner_message_enable and banner_message_text.
After right click on banner_message_enable, select “Set as Mandatory”.
same step with banner_message_text, right click on banner_message_text and select “Set as Mandatory”.

Step 8 : Now logout and you can see your message at login page.