Guest Additions are a collection of drivers and utilities that enhance the integration of the host and guest operating systems. Installing Guest Additions unlocks various valuable functions, such as:

• Mouse Integration is seamless, with no need to press a key to release the mouse.
• Shared Clipboard allows for copying and pasting between the host and guest operating systems.
• Drag and Drop Support easily transfers files between systems.
• Improved video performance by dynamically resizing the guest OS screen.
• Shared Folders allow you to access host files from the guest system.

Prerequisites

Before starting with the installation, ensure that you meet the following requirements:

1. System Requirements

• A working VirtualBox installation.
• VirtualBox-based Ubuntu guest OS with enough free storage (at least 500MB)

2. Ensure VirtualBox is Installed

If you haven’t already downloaded and installed VirtualBox, do so from the official website.

3. Install Necessary Packages

You must first install some essential packages before proceeding to install Guest Additions. Run the following command on the Ubuntu terminal:

These packages guarantee that the Guest Additions modules are compiled properly.

Step-by-Step Guide to Install Guest Additions in Ubuntu

Step 1: Update Ubuntu System

Keeping your system up to date is usually a smart idea when installing new applications. Open the terminal and run:

sudo apt update && sudo apt upgrade -y

Step 2: Install Required Dependencies

To ensure a smooth installation, install the following packages:

sudo apt install build-essential dkms linux-headers-$(uname -r)

Step 3: Insert the Guest Additions ISO Image

1. Launch VirtualBox and activate your Ubuntu virtual computer.
2. In VirtualBox, select Devices > Insert Guest Additions CD Image.
3. To begin the installation, click Run when prompted.

Step 4: Mount the ISO Image Manually (If Not Auto-Mounted)

If the ISO does not mount itself, open a terminal and run:

sudo mount /dev/cdrom /mnt

Step 5: Run the Guest Additions Installer

Once the ISO has been mounted, proceed to the directory and run the installer:

Wait for the installation to be completed.

Step 6: Restart Ubuntu to Apply Changes

After the installation, restart the Ubuntu guest system:

sudo reboot

Verifying the Installation

After the system restarts, see if the installation was successful.

1. Seamless Mouse Integration – Move the mouse freely between the host and the visitor without pressing the release key.
2. Screen Resizing – Try resizing the VirtualBox window and see whether Ubuntu adjusts accordingly.
3. Shared Clipboard and Drag-and-Drop – Turn them on in VirtualBox’s Devices > Shared Clipboard and Drag-and-Drop settings.

If these features work, the installation is complete!

Troubleshooting Common Issues

1. Guest Additions ISO Not Found

If VirtualBox cannot find the ISO, manually download it from the VirtualBox website.

2. Unable to Mount Guest Additions to ISO

Try manually mounting it with the following:

sudo mount /dev/cdrom /mnt

3. Kernel Headers Not Found Error

Ensure that you have installed them correctly using:

sudo apt install linux-headers-$(uname -r)

4. Screen Resolution Not Changing

If the resolution does not change, try running:

xrandr –auto

5. Shared Clipboard or Drag-and-Drop Not Working

Check that they are enabled in VirtualBox settings under Devices > Shared Clipboard and Devices > Drag and Drop.

Conclusion

How to install VirtualBox Guest Additions on Ubuntu is a simple operation that can greatly improve your virtual machine experience. It improves performance, allows for flawless integration with the host system, and unlocks helpful capabilities like a shared clipboard, drag-and-drop, and seamless display scaling.

Following the instructions in this article should result in a fully running Ubuntu VM with all Guest Addition capabilities enabled. If you find any problems, check the troubleshooting section for solutions to common issues.

The post How to Install Guest Additions in VirtualBox on Ubuntu? appeared first on Tricky Enough.

By default, all Linux systems include a root user who has complete control over the system. This means that if an attacker acquires root access, they will be able to completely control, alter, or destroy your server. Allowing root login over SSH raises the risk of brute-force attacks, in which hackers attempt to guess your root password and get access.

To improve security, disable root login and establish a non-root user with administrative access. In this post, we’ll walk you through the steps to deactivate root login via SSH on Ubuntu, preventing unauthorized users from accessing your server as root.

Step 1: Logging In and Checking Authentication Logs

Before making any changes to the SSH setup, you must connect to your server as a non-root user with sudo capabilities. You will also check the authentication logs for any unauthorized login attempts.

Accessing Your Server as a Non-Root User

To log in with a password, run the following line in your terminal:

ssh sammy@your_server_ip

To perform key-based authentication, use:

ssh -i your_private_key sammy@your_server_ip

Note: Replace sammy with the username of your sudo-enabled user and your_server_ip with the IP address of the Ubuntu server.

You should create a sudo-enabled account before removing the root login. Without a sudo user, you may lose administrative control over your server.

Checking Authentication Logs for Unauthorized Access

Once logged in, go to the authentication logs directory.

cd /var/log/

To view the authentication log, run the following command:

sudo cat auth.log

This log includes all login attempts to your server, both successful and failed. If you notice several failed login attempts, it indicates that someone is attempting to break into your server.

Disabling root login significantly lowers the risk of brute-force attacks and unauthorized access.

Step 2: Disable Root Login Ubuntu Over SSH

To disable root login, edit the SSH configuration file and restart the SSH service.

Editing the SSH Configuration File

Open the SSH daemon configuration file with a text editor, such as nano.

sudo nano /etc/ssh/sshd_config

Search for the following line in the file:

PermitRootLogin yes

Change it to:

PermitRootLogin no

This setting informs the SSH daemon to refuse all SSH login attempts from the root user.

Tip: If the line does not already exist in your configuration file, add it at the end.

After making the changes, save the file by pressing CTRL + X, Y, and Enter.

Restarting the SSH Service

To apply the modifications, restart the SSH service by running the following command:

sudo systemctl restart sshd

Restarting the SSH service ensures that any configuration changes take effect immediately.

Step 3: Testing If Root Login Is Disabled

Now that we’ve changed the SSH setup, we’ll see if the root login is disabled.

Attempting to Log In as Root

Open a new terminal window and attempt to log in as the root user.

In the case of password-based authentication:

ssh root@your_server_ip

For authentication based on keys:

ssh -i your_private_key root@your_server_ip

If the changes were successfully implemented, you should get the following error message:

Permission denied; please try again.

This confirms that SSH no longer supports root logins.

Logging In with a Sudo User

Because root login is disabled, you should now visit the server as a non-root user.

In the case of password-based authentication:

ssh sammy@your_server_ip

For authentication based on keys:

ssh -i your_private_key sammy@your_server_ip

Once logged in, you can use sudo to conduct administrative activities. For example, to upgrade your system, run:

sudo apt update && sudo apt upgrade -y

Using a sudo-enabled user allows you to maintain complete control over your system while keeping it secure.

Additional Security Tips

In addition to blocking root login, you should adopt the following security measures:

1. Use SSH Key Authentication: To improve security, use SSH keys rather than passwords.
2. Change the SSH Port: Change the SSH port (22) by default to reduce your risk of brute-force attacks.

Enable a Firewall: Use the Uncomplicated Firewall (UFW) to prevent unwanted access:
sudo ufw allow OpenSSH

sudo ufw enable

3. Use Fail2Ban: To automatically block IP addresses with a history of unsuccessful login attempts, install Fail2Ban.

Regularly Update Your System: Update your server regularly to fix security flaws.
sudo apt update && sudo apt upgrade -y

Conclusion

We discussed how to disable root login ubuntu in this article. Ubuntu to make your Linux-based computer more secure. We effectively prevented direct root access by changing the SSH configuration file and restarting the SSH service, which lowered the possibility of unwanted access.

Your server is now more secure with root login disabled, and you may still use a sudo-enabled non-root user to carry out administrative activities.

You can further strengthen your server’s defenses by following best security practices, which include using SSH keys, changing the default SSH port, and turning on a firewall.

The post How to Disable Root Login in Ubuntu for Enhanced Server Security? appeared first on Tricky Enough.

Jellyfin media server is open-source and free software. Using Jellyfin, you can explore content on Android, Computers, Fire TV devices, Android TV, and more. However, when talking about installing the Jellyfin media server, it is not limited to Linux solely. It can be operated on macOS, Microsoft Windows, or in a Docker container. So, if you plan to install Jellyfin on Ubuntu, you’ve landed on the right page. Here is the step-by-step guide on installing the Jellyfin media server on Ubuntu. Let’s get started!

How to install Jellyfin Media Server on Ubuntu? (Step-by-step process)

Here’s the step-by-step process to install Jellyfin Media Server on Ubuntu:

Step 1. Enable Jellyfin GPG Key

First and foremost, add the Jellyfin GPG key to ensure that the pack you install belongs to an authentic source. Here is the command to enable secure protocol support –

Add key – 

Step 2. Add Jellyfin Repository

It’s time to add the Jellyfin repository. There is an official repository offered by Jellyfin to Ubuntu. Run the following command to add the repository.

Step 3. Run System Update

Once again update the complete package list to add the Jellyfin repository.  

Step 4. Install Jellyfin on Ubuntu

Automatically install Jellyfin on Ubuntu or Debian-based Linux operating systems. Here is the command for the same - 

Step 5. Enable Jellyfin Server

Once Jellyfin is successfully installed on Ubuntu, it’s time to kickstart the services and enable them for the future. Use this command to start and enable the Jellyfin service –

To check everything is in its place and running properly, use this command – 

Press Ctrl+C to exit! 

Step 6. Setup Jellyfin Server

Now, everything is in place, and Jellyfin is running perfectly on Ubuntu. Now, it’s time to explore the web interface. Jellyfin automatically runs on port 8096. Go to the browser on Ubuntu, add the address, and navigate. 

Now, the Jellyfin web interface will show up where you can move forward with the configuration and initial setup of the media server. If you’re using a remote machine to access Jellyfin, add the IP address in place of the local host. You can also mention the hostname of the Ubuntu system.

Step 7. Add Username and Password

Tap on the Next option to complete the process. A new screen will appear where the Admin can set up the username and password. Add your chosen username and password, and click on the next option.

Step 8. Enable Library

As you visit the add media library page, click the + button to choose from different media files like images, music, and videos. Also, add the folder path, country, and other details. 

Step 9. Login Jellyfin Server 

To log in, enter your username and password! You can now explore and access photos, videos, music, and other files.

Conclusion

Installing and setting up the Jellyfin media server on Ubuntu is no big Science. You only need a little focus and a detailed step-by-step guide to complete the process. We hope this guide to installing Jellyfin Media Server on Ubuntu helped you and made the process easier than ever before.

Suggested:

Kodi vs. Jellyfin.

Jellyfin Review 2023: Everything You Need to Know.

The post How to Install Jellyfin Media Server on Ubuntu? appeared first on Tricky Enough.

Things To Remember:

This method is free of cost and with such one, you can reset windows password with Ubuntu to a level of perfection. Hence, let us move ahead and get to know such a great method to reset the windows password with Ubuntu.

Reset Windows Password with Ubuntu Live CD/USB.

Before you begin with anything, I suggest you get a good USB installer to your rescue. With a USB installer, you can create a bootable Ubuntu USB Flash drive. Then, move ahead and download Ubuntu 16.04 from any reliable source.
After the completion of above work, launch the Ubuntu USB Installer and select Ubuntu from the drop-down menu. Then, select the browse tab in order to select the Ubuntu ISO File.
Further, to let you know everything in a bit more detailing, let us take the step by step route. So, let’s begin.

Suggested:

How to use Linux without installing.

Step 1: Get a great USB Installer and download the Ubuntu 16.04.

Step 2: Create the Bootable USB Ubuntu Live Drive with any USB Installer.

Step 3: Now, choose on Ubuntu from the drop-down box and select “Browse” for the selection of an Ubuntu ISO Image.

Step 4: Now, after the completion of the above steps, let us move into a bit more detailing. Boot your PC from the Ubuntu USB Drive. And after the creation of the Ubuntu bootable USB Flash drive, you will have to reboot your PC. Now, you can get access to the PC BIOS by pressing simple buttons such as the ESC, F10, F9 or F2.

Move ahead towards the boot menu and click on USB as the initial boot up option.

Step 5: Now, Install Chntpw. Download and click on this package and install it on the Ubuntu Live Disk.

Step 6: Your Windows system will automatically mount the hard disk partition. Or else, if you want to see the SAM file, it is the file which stores the Windows Log-in Password.

Step 7: After you locate the SAM file, just double-click on it and check the properties in the popup menu. Here, you will see the file location and you will just need to note the download file location for future references.

Step 8: Head towards the command line section. Chntpw is the name of the application which contains the feature of the terminal in it. For using it, you will need to open the command line terminal. For opening the command line, just press Ctrl+Alt+T and the same will be kept in front of you.

Step 9: Run the following command to go to the configuration folder:

cd /media/<drive_identifier>/WINDOWS/system32/config

Step 10: Reset the Administrator on your Windows password. For this, you will have to type the following command for running the chntpw tool:

sudo chntpw -u Administrator SAM

Now, the final step for resetting the windows password is to mount the hard disk partition. Such mounting is done at the location where your windows are currently installed. After performing all the procedures, you will surely reset your windows password with Ubuntu.

Optional: Reset Windows Password Instantly with Commercial software

As you can see from the above steps, it is not a simple task at all. You have to go through a lot of details to finally recover the password. Not to mention the risk that would mess up the computer. So if you are looking for easy ways, then you should take a look at TunesBro WinGeeker, one of the best ways to reset windows password. It empowers a clean UI and you only need to make a few clicks to remove the password. Not believe it? You can check the details on this tutorial page. 

Final Words

So, after reading the whole chunk of essential information, I hope you have got the solution, finally. In any case, you feel an issue, again go through the above instructions and you will find no difficulty whatsoever. At last, resetting a windows password with Ubuntu might not have been much easier with these steps.

If you have further questions then please let us know through Comments.

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