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[root@zyy180 haproxy-2.1.3]# yum -y install openssl-devel pcre-devel gcc gcc-c++ systemd-devel
压缩软件包
[root@zyy180 ~]# tar xf haproxy-2.1.3.tar.gz
1.创建用户
useradd -r -M -s /sbin/nologin haproxy
2.进入软件包编译安装
[root@zyy180 ~]# cd haproxy-2.1.3
[root@zyy180 haproxy-2.1.3]#make -j $(nproc) TARGET=linux-glibc USE_OPENSSL=1 USE_ZLIB=1 USE_PCRE=1 USE_SYSTEMD=1
[root@zyy180 haproxy-2.1.3]# make install
3.配置各个负载的内核参数
[root@zyy180 haproxy-2.1.3]# echo 'net.ipv4.ip_nonlocal_bind = 1' >> /etc/sysctl.conf
[root@zyy180 haproxy-2.1.3]# echo 'net.ipv4.ip_forward = 1' >> /etc/sysctl.conf
[root@zyy180 haproxy-2.1.3]# sysctl -p
net.ipv4.ip_nonlocal_bind = 1
net.ipv4.ip_forward = 1
4.创建haproxy的配置文件
[root@zyy180 haproxy-2.1.3]# mkdir /etc/haproxy
cat > /etc/haproxy/haproxy.cfg <<EOF
#--------------全局配置----------------
global
log 127.0.0.1 local0 info
#log loghost local0 info
maxconn 20480
#chroot /usr/local/haproxy
pidfile /var/run/haproxy.pid
#maxconn 4000
user haproxy ##用户名
group haproxy
daemon
#---------------------------------------------------------------------
#common defaults that all the 'listen' and 'backend' sections will
#use if not designated in their block
#---------------------------------------------------------------------
defaults
mode http
log global
option dontlognull
option httpclose
option httplog
#option forwardfor
option redispatch
balance roundrobin
timeout connect 10s
timeout client 10s
timeout server 10s
timeout check 10s
maxconn 60000
retries 3
#--------------统计页面配置------------------
listen admin_stats
bind 0.0.0.0:8189
stats enable
mode http
log global
stats uri /haproxy_stats ##网页界面
stats realm Haproxy\ Statistics
stats auth admin:admin
#stats hide-version
stats admin if TRUE
stats refresh 30s
#---------------web设置-----------------------
listen webcluster
bind 0.0.0.0:80 ##想添加其他服务直接这一段，端口改下就好
mode http
#option httpchk GET /
log global
maxconn 3000
balance roundrobin
cookie SESSION_COOKIE insert indirect nocache
server web01 172.16.103.253:80 check inter 2000 fall 5 ##添加主机
server web02 172.16.103.254:80 check inter 2000 fall 5
#server web01 192.168.80.102:80 cookie web01 check inter 2000 fall 5
EOF
5.创建启动服务脚本
[root@zyy180 haproxy-2.1.3]# vim /usr/lib/systemd/system/haproxy.service
[Unit]
Description=HAProxy Load Balancer
After=syslog.target network.target
[Service]
ExecStartPre=/usr/local/sbin/haproxy -f /etc/haproxy/haproxy.cfg -c -q
ExecStart=/usr/local/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg -p /var/run/haproxy.pid
ExecReload=/bin/kill -USR2
[Install]
WantedBy=multi-user.target
6.启动服务
[root@zyy180 haproxy-2.1.3]# systemctl daemon-reload
[root@zyy180 haproxy-2.1.3]# systemctl enable --now haproxy
[root@zyy180 haproxy-2.1.3]# systemctl start --now haproxy
[root@zyy180 haproxy-2.1.3]# ss -anlt
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 *:80 *:*
LISTEN 0 128 *:22 *:*
LISTEN 0 100 127.0.0.1:25 *:*
LISTEN 0 128 *:8189 *:*
LISTEN 0 128 :::22 :::*
LISTEN 0 100 ::1:25 :::*
本文地址：https://blog.csdn.net/zyy130988/article/details/107589738
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