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wget https://releases.hashicorp.com/consul/1.11.4/consul_1.11.4_linux_amd64.zip

mkdir -p /data/consul/{conf,data,logs,bin}

unzip consul_1.11.4_linux_amd64.zip -d /data/consul/bin/

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consul -autocomplete-install
complete -C /usr/local/bin/consul consul

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{
       "bind_addr": "192.168.1.100",
       "bootstrap_expect": 1,
       "client_addr": "192.168.1.100",
       "data_dir": "/data/consul/data/",
       "datacenter": "dec1",
       "disable_update_check": false,  
       "enable_syslog": true,
       "log_level": "INFO",
       "server": true, 
       "syslog_facility": "local0",
       "ui": true,
       "performance": {
            "raft_multiplier": 1
      }
}

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[Unit]
Description="HashiCorp Consul - A service mesh solution"
Documentation=https://www.consul.io/
Requires=network-online.target
After=network-online.target

[Service]
Type=notify
User=root
ExecStart=/data/consul/bin/consul agent -config-dir=/data/consul/conf/
ExecReload=/bin/kill --signal HUP $MAINPID
KillMode=process
KillSignal=SIGTERM
Restart=on-failure
LimitNOFILE=10240
LimitNPROC=10240

[Install]
WantedBy=multi-user.target

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systemctl daemon-reload
systemctl start consul