How To Setup LVS (Linux Virtual Server) Load Balancer on Rocky Linux 8.5

in This Tutorial you will Learn " How To Setup LVS (Linux Virtual Server) Load Balancer on Rocky Linux 8.5"

Linux Virtual Server is load balancing software for Linux kernel–based operating systems. LVS is a free and open-source project started by Wensong Zhang in May 1998, subject to the requirements of the GNU General Public License, version 2.
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                                      | LVS Server - 192.168.1.20   |
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Backend Server 192.168.1.80 |                            | Backend Server 192.168.1.60|
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cat /etc/system-release ; sestatus ; hostname ; hostname -I ; dnf groupinstall "Development Tools" -y
dnf -y install ipvsadm
echo 'net.ipv4.ip_forward = 1' >> /etc/sysctl.conf
sysctl -p

touch /etc/sysconfig/ipvsadm
systemctl restart ipvsadm ; systemctl enable ipvsadm ; systemctl status ipvsadm
ipvsadm -C
ipvsadm -A -t (ServiceIP:Port) -s (Distribution method)
ipvsadm -A -t 192.168.1.20:80 -s wlc

ipvsadm -a -t (ServiceIP:Port) -r (BackendServerIP:Port) -m
ipvsadm -a -t 192.168.1.20:80 -r 192.168.1.80:80 -m
ipvsadm -a -t 192.168.1.20:80 -r 192.168.1.60:80 -m
ipvsadm -l
firewall-cmd --add-service=http --permanent ; firewall-cmd --reload