HAProxy 2.3 setup CentOS 7

haproxy-setup.sh

# assumes you have vim and wget installed

sudo su
cd ~

yum install gcc pcre-devel tar make openssl-devel systemd-devel -y

wget https://www.haproxy.org/download/2.3/src/haproxy-2.3.2.tar.gz -O ~/haproxy.tar.gz

tar xzvf ~/haproxy.tar.gz -C ~/

cd haproxy-2.3.2

make TARGET=linux-glibc USE_PCRE=1 USE_PCRE_JIT=1 USE_OPENSSL=1 USE_ZLIB=1 USE_CRYPT_H=1 USE_LIBCRYPT=1 USE_SYSTEMD=1

make install

mkdir -p /etc/haproxy

mkdir -p /var/lib/haproxy

touch /var/lib/haproxy/stats

cd contrib/systemd
make

cp haproxy.service /etc/systemd/system

systemctl daemon-reload

systemctl enable haproxy

useradd -r haproxy

# open firewall ports
# firewall-cmd --permanent --zone=public --add-service=http
# firewall-cmd --reload

## Config
# https://cbonte.github.io/haproxy-dconv/2.3/configuration.html

vim /etc/haproxy/haproxy.cfg
# copy/paste config (find online)
# and save :wq

systemctl start haproxy