Generally speaking, the entire Linux OS and all appurtenant programs will fit into an 8GB-10GB space. You've got the space, so give yourself 8GB and rest easy. In the old(er) days, a good rule of thumb was 2x RAM, not to exceed 4GB in todays world I'd suggest that a max of 8GB is PLENTY, unless you're a graphical designer or some other similar high RAM user. Swap is basically RAM for a system that does not have enough. The /home partition needs to be the largest, as that is where your user configuration/preference files and data files will reside. If they're too small, your system will either not install, not load, or not run correctly if they're too large, you will have significant wasted space that you will NEVER grow into. Think of a Live media as a "snapshot" it can be restored, you can work with it you can modify it but you cannot save it! UNLESS you add persistence to the Live media.which is where I see you headed.you are on the right track!Ī 1TB drive will provide PLENTY of disk area.awesome! To answer your question(s) above, I'll chime in with my opinions, but you know what they say about opinions! FWIW, the key partitions are the /root and /swap partitions. You can absolutely install and run programs from a Live environment, but all changes are lost at shutdown. As a matter of clarification, a LiveCD (if optical medial) or LiveUSB (if usb flash media) is somewhat of a misnomer, as the OS runs entirely in RAM. What you REALLY want is portability of an OS and that is a LiveUSB with PERSISTENCE. There are ways to address this (YanniBootRepair), but not sure what the long-term implications are. If you do the linux bootloader (GRUB) will scan your hardware for bootflags and will present those options to you for selection at time of boot without your external USB, your "boot" chain will likely be broken. But as I read this thread, your desire to pull the external usb and take with you changes the procedure significantly. FWIW, your thread title is a little misleading, as it originally sounded like you wanted to install Ubuntu on an external usb in the same manner as someone would install on a 2nd hard drive, and dual-boot, choosing between them at startup. Eldon, mdonah, and especially Plodr usually give good and reliable advice and it looks like they have this well in hand. Click to expand.I'm an Ubuntu user, exclusively, but I just saw this thread as I'm not on here much anymore.
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