apt install rkhunter

sed -i -e 's/CRON_DAILY_RUN=""/CRON_DAILY_RUN="true"/g' /etc/default/rkhunter

sed -i -e 's/CRON_DB_UPDATE=""/CRON_DB_UPDATE="true"/g' /etc/default/rkhunter

sed -i -e 's/DB_UPDATE_EMAIL="false"/DB_UPDATE_EMAIL="true"/g' /etc/default/rkhunter

sed -i -e 's/APT_AUTOGEN="false"/APT_AUTOGEN="true"/g' /etc/default/rkhunter

sed -i -e 's/NICE="0"/NICE="10"/g' /etc/default/rkhunter
