Format MessageĪfter confirming all the previous alerts, Rufus will start to install the ISO on USB, as you can see in the below screenshot. Write in ISOĪnother alert message will appear to warn you that the USB device will be formatted. Leave it with the “Write in ISO Image mode” option and click OK to continue. Required DownloadĪlso, you will get another alert that Rufus has detected that the selected ISO is an ISOHybrid, which means that the ISO image can be used as a source for both DVD and USB without any conversion. Click yes to download the files and continue. Sometimes you will get an alert that Rufus needs some additional files to complete the process. After selecting the ISO, click the start button to install Ubuntu on USB.

Rufus Windowįrom the boot selection, select the Ubuntu ISO image you need to install on the USB device then click open.

In case you need to change the selected USB device, you can choose the USB device from the dropdown menu. By default, Rufus detects the USB device. On the official website, you will notice an installer version and a portable version. It works only on Windows You can download it from here. Rufus is a free utility that can be used to create Live USB drives of various Linux distros. Now we are going to use an application called “Rufus”. Download the latest Ubuntu ISO from the Ubuntu downloads here.

First of all, ensure that you have a USB with size 4GB or larger. One method for creating a Full install USB: How to Create a Full Install of Ubuntu 20.Step 1. Note that once booted, both methods run at about the same speed. Does not require reserved space for persistence.ĩ) Faster boot, no automatic disk checking or Try Ubuntu/Install Ubuntu screen.ġ0) You can run VBox and use virtual machines. Once casper-rw is full, the drive will not boot.Ĩ) More efficient usage of disk space. Consider doing a Full install to USB, It does not suffer from the irritating 20.04 disk check problem when booting.Ī Full install USB and a Persistent install USB both save data and installed programs after reboot.Ĭomparison between Persistent and Full install USBġ) You can use the persistent pendrive to install Ubuntu to another computer.Ģ) A persistent install takes up less space on the pendrive.ģ) You can reset the pendrive by overwriting the old casper-rw file with a new one.Ĥ) The install to pendrive takes less time.Ģ) If you have problems or wish to modify, the solution is the same as with an internal install, (You can ask for help in these forums).Ĥ) Better security, you can use full encryptionħ) A persistent install is limited to a 4GB casper-rw and a 4GB home-rw persistence file, to get more persistence requires persistence partitions.

Create portable ubuntu usb