Ofris is an application (or rather form of a script) that is useful to lock the system (freeze). Or in other words Ofris like Deep Freeze on Linux. For Windows users may already be familiar with Deep Freeze that has been widely used by most employers Internet cafe or lab technician schools and universities.
This application was made by Muhammad Faruq Nuruddinsyah, and running on the terminal mode. We can lock the system so that any changes that occur, can be restored by restarting the system. For Ofris installation, the first step is to add the address to the repository:
sudo add-apt-repository ppa:tldm217/tahutek.net sudo apt-get update sudo apt-get install ofris
After installed, then just type “ofris” (without quotation marks) in the terminal, it will appear as picture choices as above. Type the appropriate number and press “Enter”.
Note: Ofris can only executed by users who have the right to “Administer the System”. To give this right to the user can be done in the following way:
- Log in to the User Administrator
- Open the menu: ‘System’> ‘Administration’> ‘Users and Groups’
- In the User Settings window, click the ‘Unlock’, then enter the Administrator User password
- Select the user that you want, then click ‘Properties’
- Then click on the tab ‘User Privileges’ and provide a check on the ‘Administer the system’
- Press ‘OK’ and close the User Settings window
- Make some changes and then restart you linux, if everything restored then ofris successfully work as Deep Freeze on Linux.