Sunday Blog

人生是一场刻意练习

Keepalived 和 Firewalld

Keepalived and Firewalld

准备 MASTER IP 192.168.1.7 BACKUP IP 192.168.1.8 VIP 192.168.1.200 yum install keepalived systemctl stop firewalld echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf echo "net.ipv4.ip_nonlocal_bind = 1" >> /etc/sysctl.conf #开启允许绑定非本机的IP sysctl -p Keepalived MASTER global_defs { notification_email { root@localhost } notification_email_from ka@localhost smtp_server 127.0.0.1 smtp_connect_timeout 30 router_id ka46 vrrp_mcast_group4 224.0.0.111 #vrrp_strict } vrrp_instance Intranet_1 { state MASTER interface em1

Posted by BlueFat on Thursday, July 11, 2019

Keepalived原理介绍和配置实践

Keepalived

扩展阅读 LVS - http://www.linuxvirtualserver.org/zh/index.html Keepalived - http://www.keepalived.org/ 参考文章 Keepalived - http://www.keepalived.org/doc/ The Keepalived Solution - http://www.linuxvirtualserver.org/docs/ha/keepalived.html LVS 和 Keepalived 官方中文手册 PDF - https://pan.baidu.com/s/1s0P6nUt8WF6o_N3wdE3uKg 相关术语以下术语涉及 LVS 三种工作模式的原理 LB (Load Balancer 负载均衡) HA (High Available 高可用) Failover

Posted by BlueFat on Tuesday, August 14, 2018

Keepalived配置文件详解

Keepalived conf

Keepalived的配置文件可以分为三块：全局定义块：对整个 Keepalive 配置生效的，不管是否使用 LVS； VRRP 实例定义块：是 Keepalived 的核心；虚拟服务器（LVS

Posted by BlueFat on Wednesday, February 7, 2018