网址

https://keepalived.org/download.html

下载二进制包

[root@ubuntu2004 ~]#wget https://keepalived.org/software/keepalived-2.2.7.tar.gz

解压文件

[root@ubuntu2004 ~]#tar xf keepalived-2.2.7.tar.gz  -C /usr/local/
[root@ubuntu2004 ~]#cd /usr/local/
[root@ubuntu2004 local]#ls
bin  etc  games  include  keepalived-2.2.7  lib  man  sbin  share  src
[root@ubuntu2004 local]#cd keepalived-2.2.7/

安装编译软件

[root@ubuntu2004 ~]#apt-get -y install libssl-dev libpopt-dev daemon build-essential libssl-dev

编译

[root@ubuntu2004 ~]#mkdir -p /data/apps/keepalived
[root@ubuntu2004 keepalived-2.2.7]#./configure --prefix=/data/apps/keepalived --disable-fwmark
[root@ubuntu2004 keepalived-2.2.7]#make && make install

注意：
--disable-fwmark 可用于禁用iptables规则,可访止VIP无法访问
无此选项默认会启用 ipatbles规则

查看编译后结果

#查看目录结构
[root@ubuntu2004 ~]#tree /data/apps/keepalived/
/data/apps/keepalived/
├── bin
│   └── genhash -> ../sbin/keepalived
├── etc
│   ├── keepalived
│   │   ├── keepalived.conf.sample
│   │   └── samples
│   │       ├── keepalived.conf.HTTP_GET.port
│   │       ├── keepalived.conf.IPv6
│   │       ├── keepalived.conf.PING_CHECK
│   │       ├── keepalived.conf.SMTP_CHECK
│   │       ├── keepalived.conf.SSL_GET
│   │       ├── keepalived.conf.UDP_CHECK
│   │       ├── keepalived.conf.conditional_conf
│   │       ├── keepalived.conf.fwmark
│   │       ├── keepalived.conf.inhibit
│   │       ├── keepalived.conf.misc_check
│   │       ├── keepalived.conf.misc_check_arg
│   │       ├── keepalived.conf.quorum
│   │       ├── keepalived.conf.sample
│   │       ├── keepalived.conf.status_code
│   │       ├── keepalived.conf.track_interface
│   │       ├── keepalived.conf.virtual_server_group
│   │       ├── keepalived.conf.virtualhost
│   │       ├── keepalived.conf.vrrp
│   │       ├── keepalived.conf.vrrp.localcheck
│   │       ├── keepalived.conf.vrrp.lvs_syncd
│   │       ├── keepalived.conf.vrrp.routes
│   │       ├── keepalived.conf.vrrp.rules
│   │       ├── keepalived.conf.vrrp.scripts
│   │       ├── keepalived.conf.vrrp.static_ipaddress
│   │       ├── keepalived.conf.vrrp.sync
│   │       ├── sample.misccheck.smbcheck.sh
│   │       └── sample_notify_fifo.sh
│   └── sysconfig
│       └── keepalived
├── sbin
│   └── keepalived
└── share
    ├── doc
    │   └── keepalived
    │       └── README
    ├── man
    │   ├── man1
    │   │   └── genhash.1
    │   ├── man5
    │   │   └── keepalived.conf.5
    │   └── man8
    │       └── keepalived.8
    └── snmp
        └── mibs

15 directories, 35 files

服务管理

[root@ubuntu2004 ~]#vim /etc/profile.d/keepalived.sh

#!/bin/bash
#set keepalived environment
export KEEPALIVED_HOME=/data/apps/keepalived
export PATH=$PATH:$KEEPALIVED_HOME/sbin
   
[root@ubuntu2004 ~]#source /etc/profile.d/keepalived.sh
[root@ubuntu2004 ~]#chmod +x /etc/profile.d/keepalived.sh
[root@ubuntu2004 ~]#export PATH=$PATH:$KEEPALIVED_HOME/sbin
[root@ubuntu2004 ~]#export KEEPALIVED_HOME=/data/apps/keepalived
[root@ubuntu2004 ~]#source /etc/profile.d/keepalived.sh

目录配置

[root@ubuntu2004 ~]#mkdir /etc/keepalived #配置文件存放目录
[root@ubuntu2004 ~]#cp /data/apps/keepalived/etc/keepalived/keepalived.conf.sample /etc/keepalived/ #拷贝模板文件
[root@ubuntu2004 ~]#ln -s /data/apps/keepalived/etc/sysconfig//keepalived /etc/default/keealived #链接启动参数文件

配置service文件

[root@ubuntu2004 ~]#cat /lib/systemd/system/keepalived.service
[Unit]
Description=Keepalive Daemon (LVS and VRRP)
After=network-online.target
Wants=network-online.target
# Only start if there is a configuration file
ConditionFileNotEmpty=/etc/keepalived/keepalived.conf

[Service]
Type=simple
# Read configuration variable file if it is present
EnvironmentFile=-/etc/default/keepalived
ExecStart=/usr/sbin/keepalived --dont-fork $DAEMON_ARGS
ExecReload=/bin/kill -HUP $MAINPID

[Install]
WantedBy=multi-user.target

启动服务

[root@ubuntu2004 ~]#systemctl daemon-reload
[root@ubuntu2004 ~]#systemctl enable --now keepalived.service
Created symlink /etc/systemd/system/multi-user.target.wants/keepalived.service → /lib/systemd/system/keepalived.service.
[root@ubuntu2004 ~]#systemctl status keepalived.service
● keepalived.service - Keepalive Daemon (LVS and VRRP)
     Loaded: loaded (/lib/systemd/system/keepalived.service; enabled; vendor preset: enab>
     Active: active (running) since Tue 2022-03-15 13:22:16 CST; 9s ago
    Process: 73238 ExecStart=/data/apps/keepalived/sbin/keepalived $KEEPALIVED_OPITONS (c>
   Main PID: 73255 (keepalived)
      Tasks: 3 (limit: 1037)
     Memory: 3.6M
     CGroup: /system.slice/keepalived.service
             ├─73255 /data/apps/keepalived/sbin/keepalived
             ├─73256 /data/apps/keepalived/sbin/keepalived
             └─73257 /data/apps/keepalived/sbin/keepalived