Debian/Ubuntu VPS freese for no reazon
I try to install nodejs+mysql+nginx app.
VPS: 80$ (4 cores, 4gd ram) Ubuntu/Debian
I have nodejs app, what runs behind nginx
Setup is pretty common: nodejs, pm2, nginx, mysql, autobackup, ufw, nothing special.
But for some reason, server randomly freezes. i CANNOT access to server even through digiocean admin VNC console: its grey, no symbols.
No ssh, http reaction.
Problem was very same on clean ubuntu and deb installation. Prior to freezes, there was some [UFW BLOCK] messages, no kernel panic messages.
Could you please advice, how to diagnose random freezes?
Thank you in advance!
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.