shell> lsb_release -a
shell> aptitude install build-essential

shell> sudo yum grouplist
shell> sudo yum groupinstall "Development Tools"

• https://docs.oracle.com/cd/E37670_01/E37355/html/ol_about_yum_groups.html
• http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/compile-software.html

shell> wget http://www.haproxy.org/download/1.6/src/haproxy-1.6.6.tar.gz
shell> tar xvzf haproxy-1.6.6.tar.gz
shell> cd haproxy-1.6.6  
shell> make TARGET=generic
shell> make TARGET=custom CPU=native USE_PCRE=1 USE_LIBCRYPT=1 USE_LINUX_SPLICE=1 USE_LINUX_TPROXY=1

shell> sudo mkdir -p /srv/haproxy/bin
shell> sudo mkdir -p /srv/haproxy/etc

shell> sudo cp haproxy /srv/haproxy/bin
shell> sudo vi /srv/haproxy/etc/haproxy.cfg

shell> /srv/haproxy/bin/haproxy -D -f /srv/haproxy/etc/haproxy.cfg -p haproxy.pid

shell> kill -USR1 $(cat haproxy.pid)
shell> rm -f haproxy.pid

start.sh

#! /bin/sh

/srv/haproxy/bin/haproxy -D -f /srv/haproxy/etc/haproxy.cfg -p haproxy.pid

shutdown.sh

#! /bin/sh

kill -USR1 $(cat haproxy.pid)
rm -f haproxy.pid

haproxy.cfg

global
        daemon 
        user haproxy
        group haproxy
        chroot /var/lib/haproxy
        maxconn         20000

defaults
        mode    http
        timeout connect 5s
        timeout client 5s
        timeout server 5s

frontend http-in
        bind       :80
        default_backend www

backend www
        balance roundrobin
        server www1 192.168.12.2:80
        server back 192.168.11.2:80

haproxy.cfg

global
        daemon 
        user haproxy
        group haproxy
        chroot /var/lib/haproxy
        maxconn         20000

defaults
        mode    http
        timeout connect 5s
        timeout client 5s
        timeout server 5s

frontend http-in
        bind       :80
        default_backend www

backend www
        balance roundrobin
        server www1 192.168.12.2:80
        server www2 192.168.11.2:80

backend www
        balance roundrobin
        option httpchk
        server www1 192.168.12.2:80 check inter 1000
        server www2 192.168.11.2:80 check inter 1000

backend www
        balance roundrobin
        option httpchk
        server www1 192.168.12.2:80 check inter 1000
        server www2 192.168.11.2:80 check inter 1000

backend www
        balance roundrobin
        option httpchk HEAD /
        server www1 192.168.12.2:80 check inter 1000 weight 10
        server www2 192.168.11.2:80 check inter 1000 weight 20

backend www
        balance roundrobin
        option httpchk HEAD /
        cookie SRV insert indirect nocache
        server www1 192.168.12.2:80 check inter 1000 weight 10 cookie www1
        server www2 192.168.11.2:80 check inter 1000 weight 20 cookie www2

cookie

defaults
        stats enable
        stats uri     /admin?stats
        stats refresh 5s
        stats auth    admin1:AdMiN123
        stats auth    admin2:AdMiN321

參考網站：

• http://cbonte.github.io/haproxy-dconv/configuration-1.7.html

/etc/default/haproxy

# Set ENABLED to 1 if you want the init script to start haproxy.
ENABLED=0
# Add extra flags here.
#EXTRAOPTS="-de -m 16"

/etc/haproxy/haproxy.cfg

global
    log /dev/log    local0
    log /dev/log    local1 notice
    chroot /var/lib/haproxy
    user haproxy
    group haproxy
    daemon

defaults
    log    global
    mode    http
    option    httplog
    option    dontlognull
        contimeout 5000
        clitimeout 50000
        srvtimeout 50000
    errorfile 400 /etc/haproxy/errors/400.http
    errorfile 403 /etc/haproxy/errors/403.http
    errorfile 408 /etc/haproxy/errors/408.http
    errorfile 500 /etc/haproxy/errors/500.http
    errorfile 502 /etc/haproxy/errors/502.http
    errorfile 503 /etc/haproxy/errors/503.http
    errorfile 504 /etc/haproxy/errors/504.http

balance roundrobin
balance    source

global
    log /dev/log    local0
    log /dev/log    local1 notice
    maxconn    4000
    ulimit-n 8000

    chroot /var/lib/haproxy
    user haproxy
    group haproxy
    daemon

listen proxy1 0.0.0.0:8000
    mode    tcp
    bind       :80
    balance roundrobin

    server srv1 127.0.0.1:8080
    server srv2 192.168.12.3:8080

參考網站：

• haproxy