编译部署keepalived

环境：centos7 ubuntu18.04

一. centos 编译部署keepalived

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#!/bin/bash
#环境：centos7
#软件版：keepalived-2.0.18.tar.gz 
set -e
dir="/usr/local/src"
keepalived="keepalived-2.0.18"
keepalived_v="keepalived-2.0.18.tar.gz"
yilai="openssl openssl-devel wget vim lrzsz"
keepalived_make(){
    echo -e "\033[33m 此脚本容错率较低请不要重复执行 \033[0m"
    sleep 10
    echo -e "\033[36m ===============开始拉取安装包:${keepalived_v} \033[0m" 
    wget --no-check-certificate https://www.keepalived.org/software/${keepalived_v}
    echo -e "\033[36m 解压到： ${dir}  \033[0m" 
    tar -zxvf ./${keepalived_v} -C ${dir}
    yum install -y ${yilai}
    cd ${dir}/${keepalived}/ && ./configure --prefix=/usr/local/keepalived
    cd ${dir}/${keepalived}/ && make 
    cd ${dir}/${keepalived}/ && make install
    [ $? = 0 ] && echo -e "\033[36m 编译安装${keepalived}成功 \033[0m"  || echo -e "\033[33m 编译安装${keepalived}失败 \033[0m"
}
keepalived_system(){
    echo -e "\033[36m ===============开始配置：${keepalived} \033[0m"
    [ -d "/etc/keepalived" ] || mkdir -p /etc/keepalived
    cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/
    cp /usr/local/keepalived/sbin/keepalived /etc/init.d/
    systemctl daemon-reload
    systemctl start keepalived 
    systemctl enable keepalived 
    systemctl status keepalived 
    echo -e "\033[36m 
            常用命令：
            systemctl restart keepalived 
            systemctl status keepalived 
            systemctl enable keepalived            
            \033[0m"
    echo "keepalived版本是:"
    /usr/local/keepalived/sbin/keepalived -v
}
main(){
    keepalived_make
    keepalived_system
}
main

二. ubuntu部署keepailved

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1 查看keepalived软件版本
# apt-cache madison keepalived
keepalived | 1:2.0.19-2 | http://mirrors.aliyun.com/ubuntu focal/main amd64 Packages
2.2 安装keepalived
# apt -y install keepalived
2.3 准备keepalived.conf文件
# cp /usr/share/doc/keepalived/samples/keepalived.conf.sample /etc/keepalived/keepalived.conf
2.4 修改keepalived.conf文件 （不执行）
# sed -i 's@interface eth0@interface ens33@g' /etc/keepalived/keepalived.conf