Ubuntu: How do I put /home in a different partition?



Question:

Yeah, so I have 2 hard drives, on with 2 partitions(backups and windows), and I have another that also has 2 partitions with only one used. I have Ubuntu on hard drive 2:partition one, but I have come to a point when the /home folder can't hold any more files, but the partition is only about 15% filled up. So I did some researching and figured out that you can put it on a separate partition, but most of the guides were vague on what I needed to do. Could someone give me step-by-step instructions on what I need to do, or even tell me a, easier or different way to fix this /home folder capacity problem?


Solution:1

Take a look at this answer: Change the default Downloads directory

Posted here for your convenience:

Ubuntu Tweak can be useful for you this time, but includes the install of the Ubuntu Tweak software, whose intuitive GUI will guide you on this and some other useful processes.

When installed, simply choose Ubuntu Tweak from within the System Tools sub-menu in the main menu. After which you can go to the "Personal" section in the sidebar and look inside "Default folders", where you can choose which will be your default folder for Downloads, Documents, Desktop, etc.

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I hope this help you.

Good luck!

Unfortunately I haven't tested what you want to do but I have read that if you put the default home folder and other default folders in a different partitions, you will be in the need to auto-mount that partition in order not to experience a major issue at the boot.

Once I tried to do it with 2 different hard disk drives, which resulted in errors at the boot, solved by mounting the hard disk drive partition and closing the session and logging in again.

I hope you find a better solution but this may give you a clue on where to begin. Please inform how did you manage this issue.

Good luck!


Solution:2

You normally use 2 partitions at least - better 3: One for the system, one for swap, and the third for home, on a single-user desktop system.

If you have plenty of RAM, you don't need swap, except for hibernation, which is a nice thing to have. You normally choose 1.5x your physical RAM-size for SWAP, if you don't have reason to do more or less.

So if you didn't use your second partition so far, I would use the opportunity to create a swap space, by splitting the free partition.

A separate partition for home is useful if an major upgrade fails. You can install a new system without touching your home, keeping all data, all settings, all emails and so on in place.

But you have to investigate, why you can only use 15% of the current partition.

For creating the new partition, I would suggest

sudo gparted  

to repartition the free partition.

Later you format the one partition, which shall be the new /home with

mkfs.ext4   

for an ext4-filesystem. You copy your home-folder content over, preserving attributes and permissions - the easiest way is to use the midnight commander - to preserve date/time as well, so that your files don't get the time/date of copying.

Then you mount testwise the new partition as /home. This will hide your old /home which makes it a bit tricky to delete it later, but you don't want to delete it, before it works.

For deleting the old content, you unmount /home, then you rename /home to /home-old, and create an empty /home folder for remounting the new partition. Then you can safely delete /home-old.


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