CPU 100% with kswapd0 process, although no swap is needed
Solution 1:
In case someone faces the same issues - the reason was malware: Multios.Coinminer.Miner.
kswapd0 was a binary file located in /root/.configrc/a/kswapd0.
What you need to do is:
- Clear crontab jobs referring to
/root/.configrc - Clear
sshkeys - Delete
/root/.configrc