Ubuntu Live USB is a great tool for trying out Ubuntu without installing it on your computer. It allows you to run Ubuntu directly from a USB drive, giving you the full Ubuntu experience without making any changes to your system. However, one downside of using a Live USB is that it allocates a certain amount of space for persistent storage, which can take up valuable space on your USB drive. In this article, we will explore how to reduce the space allocated for persistent storage on Ubuntu Live USB.
What is Persistent Storage?
Before we dive into reducing the space allocated for persistent storage, let's first understand what persistent storage is. When you create a Live USB, Ubuntu allocates a portion of the USB drive to store any changes or files you create during your session. This allows you to save files, install additional software, and customize your Ubuntu experience. By default, Ubuntu allocates a significant amount of space for persistent storage, which may not be necessary if you only plan to use the Live USB for testing or temporary purposes.
Reducing Persistent Storage Space
To reduce the space allocated for persistent storage on Ubuntu Live USB, you will need to follow these steps:
- Boot into Ubuntu Live USB: Insert the USB drive into your computer and restart your system. Press the appropriate key (usually F12 or F2) to access the boot menu and select the USB drive as the boot option.
- Open a Terminal: Once you have booted into Ubuntu Live USB, open a Terminal by pressing Ctrl+Alt+T. The Terminal is where we will enter the necessary commands to reduce the persistent storage space.
- Check current persistent storage size: In the Terminal, enter the following command to check the current size of the persistent storage:
df -h /cow - Resize the persistent storage: To reduce the persistent storage size, enter the following command in the Terminal:
sudo resize2fs /cow 2GThis command will resize the persistent storage to 2GB. You can replace "2G" with the desired size in gigabytes. Keep in mind that the size you choose should be sufficient for your needs. - Verify the new size: After executing the resize command, you can verify the new size by running the following command in the Terminal:
df -h /cowThe output will display the new size of the persistent storage.
That's it! You have successfully reduced the space allocated for persistent storage on your Ubuntu Live USB. The next time you boot into the Live USB, the persistent storage will only occupy the new reduced size.
Reducing the space allocated for persistent storage on Ubuntu Live USB can help you reclaim valuable space on your USB drive. By following the steps outlined in this article, you can easily resize the persistent storage to a more suitable size for your needs. Remember to choose a size that is sufficient for your requirements, as reducing it too much may limit your ability to save files or install additional software.
References
| Source | Link |
|---|---|
| Ubuntu Documentation | https://help.ubuntu.com/community/LiveCD/Persistence |
| Ubuntu Forums | https://ubuntuforums.org/showthread.php?t=2238950 |