Check /var/log/syslog, dmesg, and /var/log/auth.log
Like the others suggest, try setting up ssh access so you can see what's happening.
If you use ssh and login, I'd recommend using top or htop and maybe diskhogs and see what's up
Check /var/log/syslog, dmesg, and /var/log/auth.log
Like the others suggest, try setting up ssh access so you can see what's happening.
If you use ssh and login, I'd recommend using top or htop and maybe diskhogs and see what's up