VPS troubleshooting checklist

Can't connect at all

1. Check the service is Active on your dashboard.
2. Check the status page.
3. Confirm the IP and that your own network isn't blocking port 22.
4. If SSH worked before, a bad firewall rule is the usual cause — open a ticket and we can help regain access.

Slow or freezing

top            # or htop: CPU and memory hogs
free -h        # memory and swap
df -h          # disk space
iostat -x 1    # disk activity (apt install sysstat)

Disk full

du -xh / --max-depth=2 | sort -h | tail -20
journalctl --vacuum-size=200M
apt clean

Docker images and old logs are the usual culprits.

Service won't start

systemctl status myservice
journalctl -u myservice -n 100 --no-pager

After a reboot nothing runs

Enable services to start at boot: systemctl enable myservice, and use --restart unless-stopped for Docker containers.

Get help

Include uptime, free -h, df -h and the relevant log lines in your ticket.