keepalived 2.0.7 설치 (centos7)

keepalived 2.0.7 설치

환경

centos7 64bit (최소설치) keepalived 2.0.7

HA 구성을 위한 VRRP 설정시 동일하게 2대 설치 진행한다.

사전 필요 패키지 설치

yum install wget gcc openssl-devel net-tools ipvsadm

keepalived 다운로드 페이지

http://www.keepalived.org/download.html

다운로드 (2.0.7)

wget http://www.keepalived.org/software/keepalived-2.0.7.tar.gz

keepalived 설치

# 압축해제 tar xvfz keepalived-2.0.7.tar.gz   # 설치 ./configure --prefix=/usr/local/ make make install # systemd 활성화 systemctl enable keepalived.service

keepalived.conf example)

! Configuration File for keepalived global_defs {    notification_email {      takakocap@naver.com    }    notification_email_from admin@keepalived.com    vrrp_check_unicast_src    smtp_server 127.0.0.1    smtp_connect_timeout 30    smtp_alert yes } vrrp_instance VI_1 {     state MASTER     interface enp0s3     virtual_router_id 1     priority 101     advert_int 1     authentication {         auth_type PASS         auth_pass 1111     }     virtual_ipaddress {         192.168.0.250 dev enp0s3 label enp0s3:0     }     unicast_peer {         192.168.0.252     } } virtual_server 192.168.0.250 80 {     delay_loop 6     retry 2     lb_algo rr     lb_kind NAT     protocol TCP     real_server 192.168.0.253 80 {         weight 1 TCP_CHECK {     connect_port 80     connect_timeout 3     }     } real_server 192.168.0.254 80 {         weight 1 TCP_CHECK {     connect_port 80     connect_timeout 3     }     } }

: VRRP 설정시 priority 값만 다르게 설정

keepalived 보내는 발송 메일 설정

systemctl enable postfix systemctl start postfix

error)

Unable to find configuration file /etc/keepalived/keepalived.conf (glob returned 3)

mkdir /etc/keepalived ln -sf /usr/local/etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf

keepalived 메뉴얼

http://www.keepalived.org/manpage.html#