balancer01

astra-admin@balancer01:~$ sudo apt update
astra-admin@balancer01:~$ sudo apt install haproxy pacemaker corosync haveged -y
astra-admin@balancer01:~$ sudo corosync-keygen
Corosync Cluster Engine Authentication key generator.
Gathering 2048 bits for key from /dev/urandom.
Writing corosync key to /etc/corosync/authkey.
astra-admin@balancer01:~$ sudo apt-get remove --purge haveged -y
astra-admin@balancer01:~$ sudo apt-get clean
astra-admin@balancer01:~$ sudo scp /etc/corosync/authkey astra-admin@balancer02:/tmp

astra-admin@balancer02:~$ sudo apt update
astra-admin@balancer02:~$ sudo apt install haproxy corosync pacemaker -y
astra-admin@balancer02:~$ sudo mv /tmp/authkey /etc/corosync
astra-admin@balancer02:~$ sudo chown root: /etc/corosync/authkey
astra-admin@balancer02:~$ sudo chmod 400 /etc/corosync/authkey

astra-admin@balancer01:~$ sudo nano /etc/corosync/corosync.conf

/etc/corosync/corosync.conf

totem {
        version: 2
 
        cluster_name: lb_clu_01
        transport: udpu
        interface {
          ringnumber: 0
          bindnetaddr: 192.168.25.185
          broadcast: yes
          mcastport: 5405
        }
 
        crypto_cipher: none
        crypto_hash: none
}
 
logging {
        fileline: off
        to_stderr: yes
        to_logfile: yes
        logfile: /var/log/corosync/corosync.log
        to_syslog: yes
        debug: off
        logger_subsys {
                subsys: QUORUM
                debug: off
        }
}
 
quorum {
        provider: corosync_votequorum
        two_node: 1
}
 
nodelist {
 
        node {
                name: balancer01
                nodeid: 1
                ring0_addr: 192.168.25.179
        }
        node {
                name: balancer02
                nodeid: 2
                ring0_addr: 192.168.25.180
        }
}