yum -y groupinstall "GNOME Desktop" && systemctl set-default graphical.target && shutdown -r now

PermitRootLogin yes

service sshd restart

ssh root@SERVER_IP_ADDRESS

ssh username@SERVER_IP_ADDRESS

yum -y groupinstall "GNOME Desktop" &&
systemctl set-default graphical.target &&
yum install -y tigervnc-server &&
cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:4.service &&
systemctl enable vncserver@:4.service   &&
sed -i 's/<USER>/root/g' /etc/systemd/system/vncserver@:4.service &&
cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:5.service &&
cat <<"EOF" >> /etc/systemd/system/vncserver@:5.service
[Service]
Type=forking
# Clean any existing files in /tmp/.X11-unix environment
ExecStartPre=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
ExecStart=/usr/sbin/runuser -l root -c "/usr/bin/vncserver %i"
PIDFile=/root/.vnc/%H%i.pid
ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
EOF
systemctl enable vncserver@:5.service &&
#  Setting Firewall rules
firewall-cmd --permanent --zone=public --add-port=5904-5905/tcp &&
firewall-cmd --reload &&
#setting password for vnc access
vncserver &&
#restarting services
systemctl daemon-reload &&
systemctl restart vncserver@:4.service &&
systemctl restart vncserver@:5.service &&
shutdown -r now