yum install iptables-services systemctl start iptables systemctl stop iptables systemctl restart iptables systemctl reload iptables iptables -P INPUT ACCEPT iptables -P OUTPUT ACCEPT iptables -P FORWARD ACCEPT rm -rf /etc/firewalld/zones iptables -F INPUT iptables -F OUTPUT iptables -F FORWARD ip -X iptables -F iptables -Z systemctl restart firewalld E: Unable to locate package python-gtk-vnc E: Unable to locate package python-glade2 E: Unable to locate package python-configobj sudo apt-get update sudo apt-get install python-gtk-vnc 7110eda4d09e062aa5e4a390b0a572ac0d2c0220 s7YS7fzL7110eda4d09e062aa5e4a390b0a572ac0d2c0220 s7YS7fzL8243a751d703e99e106d9bc9fa7377eff8847bf1 c8369a237343131433cdaf9b2d0b6f90d450b574 s7YS7fzL c8369a237343131433cdaf9b2d0b6f90d450b574