apt clean && apt update apt install libencode-perl unzip sendmail libwww-perl wget http://download.configserver.com/csf.tgz tar zxf csf.tgz cd csf/ ./install.sh sed -i 's/TESTING = “1”/TESTING = “0”/g' /etc/csf/csf.conf sed -i 's/RESTRICT_SYSLOG = “0”/RESTRICT_SYSLOG = “3”/g' /etc/csf/csf.conf sed -i 's/LF_ALERT_TO = “”/LF_ALERT_TO = “<YOUR_EMAIL_ADDRESS”/g' /etc/csf/csf.conf