Troubleshooting of Oracle VM VirtualBox

TS:01 - Screen Resize Issue

Step 1 - Run the Following Command

sudo apt update && sudo apt upgrade -y
sudo apt install -y linux-headers-$(uname -r) build-essential dkms

Note: If you get any error, re run the the above command

Result:-

Step 2 -Setting Up Additional cd Image

If you are not able to see the Menu Option (Refer the above image) in the VB, Please press the right side button <ctrl+f> (^f) and follow on screen instruction

Step 2.1 - Go to Menu => Select the Menu (Refer the below Image)

Step 2.2 - Go to the Terminal and find the media drive

df

Verify the Folder Structure

cd /media/ubuntu/VBox_GAs_6.1.40/

./autorun.sh

Note: Please follow on screen instruction to complete the activity and restart the machine and enter the password when prompted

Once Completed you will get the screen as shown below image

TS:02 - Mouse Pointer Issue / Copy Paste Issues

Step 1 - Make Sure you have set the Mouse to Bidirectional

Step 2 - Make Sure you have set the Pointing Device to

Step 3 - Changes in the grub File

sudo nano /etc/default/grub

add the below to the line in the file and save (Refer Below Image)

i8042.nomux i8024.noloop

Change this line

Make the change in the specified Line (Changes in Line No. 10)

Or Inline Command

sudo sed -i '/GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"/ s/"$/ i8042.nomux i8024.noloop"/' /etc/default/grub
sudo sed -i '/GRUB_CMDLINE_LINUX=""/d' /etc/default/grub

sudo update-grub

Result

sudo shutdown now	

Changing View Resolution

• The dafult (May be)
• Change the setting

Troubleshooting on Hostname Issue

hostnamectl
sudo sysctl kernel.hostname=localhost # Change the transient hostname
hostnamectl

OR

  hostnamectl
  sudo hostnamectl set-hostname localhost
  hostname
  exec bash

OR

# Get the local IP address
local_ip=$(hostname -I | awk '{print $2}')

# Replace dot with dash in local IP
local_ip=${local_ip//./-}

# Set the hostname with the local IP address
sudo hostnamectl set-hostname "$local_ip"

# Update the /etc/hosts file with the new hostname
sudo cp /etc/hosts /etc/hosts_bak_$(date +"%Y%m%d-%H%M%S")
sudo sed -i "s/127.0.1.1.*/127.0.1.1\t$local_ip/g" /etc/hosts
hostname
exec bash