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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] > [home](https://www.keepalived.org/manpage.html) > [github](https://github.com/acassen/keepalived) ## 概述 假設需要在臺物理機上安裝并配置HAProxy,并在每臺 HAProxy 上部署 keepalived keepalived 流程描述 1. 提供一個不被占用的ip當作虛擬ip 2. 每臺keepalived 中進行熱備對應服務的檢測, 3. 權限高的搶到需要的ip ## 使用 ### 安裝 ``` yum install keepalived ``` ### 配置Keepalived vi /etc/keepalived/keepalived.conf ``` global_defs { router_id LVS_DEVEL #虛擬路由名稱 } #HAProxy健康檢查配置 vrrp_script chk_haproxy { script "killall -0 haproxy" #使用killall -0檢查haproxy實例是否存在,性能高于ps命令 interval 2 #腳本運行周期 weight 2 #每次檢查的加權權重值 } #虛擬路由配置 vrrp_instance VI_1 { state MASTER #本機實例狀態,MASTER/BACKUP,備機配置文件中請寫BACKUP interface enp0s25 #本機網卡名稱,使用ifconfig命令查看 virtual_router_id 51 #虛擬路由編號,主備機保持一致 priority 101 #本機初始權重,備機請填寫小于主機的值(例如100) advert_int 1 #爭搶虛地址的周期,秒 virtual_ipaddress { 192.168.8.201 #虛地址IP,主備機保持一致 } track_script { chk_haproxy #對應的健康檢查配置 } } ``` 如果主機沒有killall命令,則需要安裝psmisc包: ``` yum intall psmisc ```
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                              哎呀哎呀视频在线观看