High Availability dengan Keepalived
Instalasi Paket Dependensi dnf install -y keepalived Konfigurasi Keepalived Referensi status Keepalived MASTER-MASTER (jika down, kembali ke prioritas tertinggi) MASTER-BACKUP (jika down, kembali ke MASTER) BACKUP-BACKUP (jika down, mengikuti node dengan status MASTER) Router dengan prioritas 101 akan menjadi MASTER dan router dengan prioritas 100 akan menjadi BACKUP. Konfigurasi Node Pertama cat <<EOF | tee /etc/keepalived/keepalived.conf global_defs { router_id JumpServer enable_script_security vrrp_check_unicast_src } vrrp_track_process track_openvpn { process openvpn weight 2 } vrrp_instance VIP { state MASTER interface eth1 virtual_router_id 69 priority 101 advert_int 1 nopreempt authentication { auth_type PASS auth_pass Pa\$\$w0rd } unicast_src_ip 10.79.80.1 unicast_peer { 10.79.80.2 } virtual_ipaddress { 103.150.80.130/28 dev eth0 10.79.80.254/24 dev eth1 } virtual_routes { 0.0.0.0/0 via 103.150.80.142 dev eth0 metric 100 } static_routes { 0.0.0.0/0 via 10.79.80.251 dev eth1 metric 101 } track_process { track_openvpn } } EOF Mulai ulang layanan dan jalankan saat sistem dinyalakan ...