![]() ![]() Let's take a look at each of the commonly used RAID types and why you would want to choose them. Some are more focused on redundancy, others are focused on faster read/write times, and others still are focused on availability. These arrays differ depending on the RAID level that is used. RAID is a storage virtualization technology that combines multiple disks and puts them into an array. In this article, we will go over the most common types of RAID, their use cases, and how to configure software RAID on Ubuntu 18.04. Knowing the different RAID options will let you make an informed decision about how you should store your data. This way you can set security access to your computer depending on your needs.Choosing the right RAID (Redundant Array of Independent Disks) level for your storage array is essential to ensuring that your server meets your speed and redundancy needs. When you restart your computer, the login authentication procedure will depend on the choice you made here.īy following the simple steps described in this tutorial, you can enable/disable automatic login facility for yourself or for other users(as an administrator). You can now switch the Automatic Login button to OFF or ON depending on whether you want to enable or disable a user’s automatic log in. Provide authentication details through the following dialog and click Authenticate: Click on the Unlock button located at the top-right side of the dialog to enable this button. Since you need to be a superuser to configure these settings, the Automatic Login button will be disabled by default. You can enable/disable automatic login for yourself or for any other Ubuntu user through the graphical interface as follows:Ĭlick the downward arrow located on the top-right corner of your Ubuntu screen and then click your username. Enabling/Disabling Automatic Login through the GUI Now when you restart the computer, the specified user will be asked to provide authentication details for logging in. Please save the file by pressing Ctrl+X and then Y. You can see the change in color of the now disabled feature. In order to disable automatic login for a certain user, you can simply comment out(add a # character) the lines in the nf lines where AutomaticLoginEnable=true and Automatic Login= has been specified. Now when you restart the computer, the specified user will be logged in without being asked to provide any authentication details. Now save the file by pressing Ctrl+X and then Y. You can see the change in color of the now enabled feature. In this tutorial, we have replaced the value user1 by sana. You can simply remove the # character from the last two lines we have selected and provide the username instead of the value “user1” for the user whose automatic login you want to enable. This means that in our file, the automatic login feature for user1 has been disabled. The interpreter ignores the commented lines when reading through a configuration file. We can identify a commented-out line by the presence of a # character at the start of the line. In this file, the selected lines have been commented out. When you enter your password, the following file will open: Please note that you need to be a superuser in order to edit most of the system configurations.
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