Einrichtung Loadbalancer Einrichtung Loadbalancer Auf Loadbalancer 1 einloggen und folgende Pakete installieren   apt install lvs Nun eine neue Datei mit folgender Config anlegen nano /etc/keepalived/keepalived.conf  Inhalt einfügen global_defs {    notification_email {      info@hacker-net.de    }    notification_email_from lb001@strange-hosting.com    smtp_server hacker-net.de    smtp_connect_timeout 60 } vrrp_instance VI_1 {     state MASTER     interface eth0     virtual_router_id 101     unicast_src_ip 159.69.13.9     unicast_peer { 49.12.74.225 }     priority 101     notify /root/failover.sh     advert_int 1     authentication {         auth_type PASS         auth_pass 775567567ghBysA!asHjk99gf!     }     virtual_ipaddress {         116.202.189.172     }     virtual_ipaddress_excluded {        2a01:4f8:1c0c:8218::1        } } Nun die failover.sh im root Verzeichnis anlegen nano /root/failover.sh Nun Inhalt einfügen #!/bin/bash #lb0001 ID : 5605626 #lb0002 ID : 5605974 #floating ip LBS 116.202.189.172 =: 245713 #floating id KC 78.46.239.42 =: 617007 #floatingip6 id 2a01:4f8:1c17:8106::/64 =: 246612 #floating ip GBL 16126703 =: 78.47.118.115 TYPE=$1 NAME=$2 STATE=$3 case $STATE in "MASTER") curl -X POST -H "Content-Type: application/json" -H "Authorization: Bearer 5BEoQe1HDjITxzhCPmnp8cJq1Ybv6ehNIgdvrfkiECG0fyASSOQbIlFMj9GF0lsV" -d '{"server": 5605626}' 'https://api.hetzner.cloud/v1/floating_ips/245713/actions/assign' curl -X POST -H "Content-Type: application/json" -H "Authorization: Bearer 5BEoQe1HDjITxzhCPmnp8cJq1Ybv6ehNIgdvrfkiECG0fyASSOQbIlFMj9GF0lsV" -d '{"server": 5605626}' 'https://api.hetzner.cloud/v1/floating_ips/246612/actions/assign' curl -X POST -H "Content-Type: application/json" -H "Authorization: Bearer 5BEoQe1HDjITxzhCPmnp8cJq1Ybv6ehNIgdvrfkiECG0fyASSOQbIlFMj9GF0lsV" -d '{"server": 5605626}' 'https://api.hetzner.cloud/v1/floating_ips/16126703/actions/assign' curl -X POST -H "Content-Type: application/json" -H "Authorization: Bearer 5BEoQe1HDjITxzhCPmnp8cJq1Ybv6ehNIgdvrfkiECG0fyASSOQbIlFMj9GF0lsV" -d '{"server": 5605626}' 'https://api.hetzner.cloud/v1/floating_ips/617007/actions/assign' echo "Master" exit 0 ;; "BACKUP") echo "backup" exit 0 ;; "FAULT") echo "fault" exit 0 ;; *) echo "unknown state" exit 1 ;; esac   Nun auf Loadblancer zwei einloggen Folgene pakete installieren apt install lvs Nun eine neue Datei mit folgender Config anlegen nano /etc/keepalived/keepalived.conf  Inhalt einfügen nano /root/failover.sh