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I wanted to know can I install Java and other software on persistence Ubuntu (USB drive). How can we do that because when I tried sudo apt install default-jdk I got a msg related to dpkg and something that the drive is only read only,?

Help plz

Harshit Ambasht
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    Probably not worth the hassle (why not use a VM, dual boot or WSL?) but if you really want to do this, you need a live persistent USB. See [this](https://askubuntu.com/questions/258486/will-a-live-usb-with-persistence-store-files-automatically) and [this](https://askubuntu.com/questions/1033850/can-i-install-packages-or-softwares-to-live-ubuntu-usb-drive). – Brian Z Jul 28 '20 at 21:32
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    Does this answer your question? [How do I install Java?](https://askubuntu.com/questions/48468/how-do-i-install-java) – Stephen Michael Kellat Jul 28 '20 at 23:45
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    If you do a Full install to USB you can do anything that you can do with an install to internal drive, See https://askubuntu.com/questions/1217832/how-to-create-a-full-install-of-ubuntu-20-04-to-usb-device-step-by-step . Welcome to Ask Ubuntu – C.S.Cameron Jul 29 '20 at 09:10

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If you are getting the message that the Drive is read only then you probably dont have required permissions to install Java. I think you have made a live USB of Ubuntu instead of a persistant live USB

genx
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