usermod -p ! root yum clean all yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm -y yum install fail2ban -y systemctl enable firewalld systemctl restart firewalld echo "[sshd]" > /etc/fail2ban/jail.d/sshd.local echo "enabled = true" >> /etc/fail2ban/jail.d/sshd.local echo "port = ssh" >> /etc/fail2ban/jail.d/sshd.local echo "logpath = %(sshd_log)s" >> /etc/fail2ban/jail.d/sshd.local echo "maxretry = 1" >> /etc/fail2ban/jail.d/sshd.local echo "bantime = 90" >> /etc/fail2ban/jail.d/sshd.local systemctl enable fail2ban systemctl restart fail2ban yum install setroubleshoot-server -y yum upgrade -y yum install -y wget