apt remove -y apparmor bind9-host fakeroot gcc gcc-5 g++ g++-5 geoip-database hdparm language-pack-gnome-en  language-pack-gnome-en-base libx11*
apt remove -y libusb*  os-prober plymouth* parted ubuntu-advantage-tools xkb-data xdg-user-dirs wamerican wbritish
apt install -y qemu-guest-agent fail2ban
apt autoremove
apt clean


sed -i "s/.*PermitRootLogin.*//g" /etc/ssh/sshd_config
sed -i "s/.*ClientAliveInterval.*//g" /etc/ssh/sshd_config
sed -i "s/.*ClientAliveCountMax.*//g" /etc/ssh/sshd_config
sed -i "s/.*ClientAliveCountMax.*//g" /etc/ssh/sshd_config
sed -i "s/maxretry.*=.*/maxretry = 12/g" /etc/fail2ban/jail.conf

echo >> /etc/ssh/sshd_config << EOF
ClientAliveInterval 50
ClientAliveCountMax 3
UseDNS no
PermitRootLogin yes

EOF