keepalived conf added

keepalived.conf

@@ -0,0 +1,32 @@
+global_defs {
+   max_auto_priority
+   enable_script_security
+}
+
+
+vrrp_script dns_healthcheck {
+  script       "/usr/bin/dig @127.0.0.1 google.com || exit 1"
+  interval 2   # check every 2 seconds
+  fall 2       # require 2 failures for KO
+  rise 2       # require 2 successes for OK
+  user root
+}
+
+vrrp_instance ADBLOCK {
+    state MASTER
+    interface ens18
+    virtual_router_id 51
+    priority 230
+    advert_int 1
+    smtp_alert
+    authentication {
+        auth_type PASS
+        auth_pass AjBQeTa8xKD9FfZP6wuS
+    }
+    virtual_ipaddress {
+        192.168.0.51/24
+    }
+  track_script {
+    dns_healthcheck
+  }
+}