启用 Keepalived 日志功能（所有节点都启用）

[root@ubuntu2004 ~]#vim /apps/keepalived/etc/sysconfig/keepalived
KEEPALIVED_OPTIONS="-D -S 6"
[root@ubuntu2004 ~]#vim /etc/rsyslog.d/keepalived.conf
local6.* /var/log/keepalived.log
重启服务
[root@ubuntu2004 ~]#systemctl restart keepalived.service 
[root@ubuntu2004 ~]#systemctl restart rsyslog.service 
查看日志
[root@ubuntu2004 ~]#ls /var/log/keepalived.log 
/var/log/keepalived.log