Change it back? HOME directory encryption was deprecated for a number of reasons. You've found 1. There are others. To change it back, probably need to boot off a "Try Ubuntu" disc or flash drive, then manually edit the passwd, shadow, group, and gshadow files. If you aren't 100% certain, make backups of those files before. They are trivial 'field-based' text databases. Each has a manpage explaining the file contents by field.
If you want to exchange files with other computers, setup ssh-keys between them and setup your ~/.ssh/config file so you never need know the userid between them. If you use NFS, just the uid/gid need to match, not the usernames.
On any Unix machine, there are just 2 commands to create and share ssh-keys:
Code:
ssh-keygen -t ed25519
ssh-copy-id -i ~/.ssh/id_ed25519.pub userid@remote
where "userid" and "remote" are the values for the other system.
Doing this will make ssh, scp, sftp, rsync, sshfs, and another ssh-based connections use the ssh-keys automatically.
As for the config file:
Code:
host n800-local
hostname n800
user thefu874
port 22
This file means I use ssh n800 which will use a command like ssh -p 22 thefu874@n800-local automatically. I never need to know that username or port again. Have different userids to the same host? Just add another stanza with a different "host" alias.
Code:
host n800-internet
hostname 170.xx.tt.123
user thefu874
port 60001
ssh n800-internet will use the other IP, other port, and username specified.
Linux file managers wth a sftp:// URI will use these keys and settings too.
sftp://n800-internet/ simple.
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