sudo add-apt-repository ppa:certbot/certbot
sudo apt install certbot chkrootkit clamav debsums fail2ban git libfontconfig libjfreechart-java \
nginx openjdk-8-jre-headless:amd64 openssl postgresql-10-postgis postgresql-10-postgis-2.4 \
postgresql-contrib python-certbot-nginx rkhunter software-properties-common tmux tomcat8-user \
tripwire ufw vim aptlist-bugs apt-listchanges needrestartSpecific considerations re Java