How to Set Up rkhunter for Rootkit Detection on Linux

Rootkit Hunter scans for known rootkits, backdoors and suspicious files that may indicate a server compromise.

Install and Update

sudo apt install rkhunter -y
sudo rkhunter --update
sudo rkhunter --propupd

Run Scan

sudo rkhunter --check --sk

Configure

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CRON_DAILY_RUN=yes

Automate

sudo rkhunter --cronjob --update --quiet

Conclusion

rkhunter should run on every production Linux server. Our team configures comprehensive security monitoring including rkhunter.