![]() In the following steps, I will also show an optional feature which creates an encrypted home directory. I suppose this setup gives longer life span of the installation, which potentially allows you to even upgrade your OS later. My goal is to install a standard Ubuntu OS on a USB disk, which can be updated and upgraded just like normal PC case, except that a) it is on a portable USB drive or disk and b) it is portable across different PC’s. Note that the objective is different from so-called LiveUSB ubuntu with persistency, where Ubuntu OS itself will remain as a static ISO image and updates are added on-top in a separate persistent partition. So I wrote down this blog in the hope it might help others, as well as my future self, in the similar shoes. ![]() However, due to what I considered a bug in Ubuntu, this is actually harder than it should be. My goal is to install fully updateable Ubuntu 20.04 onto a USB stick, so that I can boot it up with any Intel-based PC’s or laptops.
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