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Configure nginx to serve API on /api subdirectory. Configure nginx to serve www/dist as static website.

Serving API using nginx

Create an upstream for API:

root@eth:~# apt-get install libdb4.8-dev libdb4.8++-dev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package libdb4.8++-dev is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Package libdb4.8-dev is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'libdb4.8-dev' has no installation candidate
E: Package 'libdb4.8++-dev' has no installation candidate
root@eth:~# 

root@eth:~/open-ethereum-pool/www# npm install
loadDevDep:ember-cli-cook ▄ ╢████████████████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░╟
WARN engine ember-cli-app-version@2.1.0: wanted: {"node":"^4.5 || 6. || >= 7."npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated bower@1.8.0: ..psst! While Bower is maintained, we recommend Yarn and Webpack for new front-end projects! Yarn's advantage is security and reliability, and Webpack's is support for both CommonJS and AMD projects. Currently there's no migration path, but please help to create it: bower/bower: Issue #2467
npm WARN deprecated node-uuid@1.4.8: Use uuid module instead
loadDep:yam → resolveWith ▌ ╢█████████████████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░╟
WARN engine ember-try@0.2.16: wanted: {"node":">= 4.5"} (current: {"node":"4.2.6loadDep:sourcemap-validat ▀ ╢█████████████████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░╟
WARN engine sourcemap-validator@1.0.5: wanted: {"node":"0.10.x"} (current: {"nodloadDep:ember-cli-babel → ▐ ╢█████████████████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░╟
WARN engine ember-cli-babel@6.8.1: wanted: {"node":"^4.5 || 6. || >= 7."}

npm WARN optional Skipping failed optional dependency /chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.1.2
root@eth:~/open-ethereum-pool/www# 

screen

screen -ls

screen -r screenname 

fast sync complete, auto disabling

fast sync complete, auto disabling

fast sync complete, auto disabling

geth --rpc

ember server --port 8082 --environment production

upstream api {
                server 127.0.0.1:8080;
        }

        server {
                listen 0.0.0.0:80;
                root /open-ethereum-pool/www/dist;
                index index.html index.htm;

                server_name localhost;

                location /api {
                        proxy_pass http://api;
                }

                location / {
                        try_files $uri $uri/ /index.html;
                }
        }

sudo add-apt-repository ppa:longsleep/golang-backports
sudo apt-get update
sudo apt-get install golang-go

sudo apt-get install build-essential make

GoLangInstall GoLang

wget https://storage.googleapis.com/golang/go1.7.5.linux-amd64.tar.gz

sudo tar -xvf go1.7.5.linux-amd64.tar.gz

sudo mv go /usr/local

export GOROOT=/usr/local/go

export PATH=$GOPATH/bin:$GOROOT/bin:$PATH

export GOPATH=$HOME/go

geth account new

const minDepth = 16
const byzantiumHardForkHeight = 4370000

var constReward = math.MustParseBig256("250000000000000000000")
var uncleReward = new(big.Int).Div(constReward, new(big.Int).SetInt64(32))

sudo curl -O https://storage.googleapis.com/golang/go1.9.2.linux-amd64.tar.gz
sudo tar -C /usr/local -xzf go1.9.2.linux-amd64.tar.gz
sudo mkdir ~/.go
echo "export GOROOT=/usr/local/go" >> ~/.bashrc
echo "export GOPATH=~/.go" >> ~/.bashrc
echo "export PATH=$PATH:$GOROOT/bin:$GOPATH/bin" >> ~/.bashrc
sudo update-alternatives --install "/usr/bin/go" "go" "/usr/local/go/bin/go" 0
sudo update-alternatives --set go /usr/local/go/bin/go
source ~/.bashrc

git config --global http.https://gopkg.in.followRedirects true
git clone https://github.com/sammy007/open-ethereum-pool.git
cd open-ethereum-pool
make

./build/bin/open-ethereum-pool config.json
You can use Ubuntu upstart – check for sample config in upstart.conf.

./build/bin/open-ethereum-pool config.json

-bash: ./build/bin/open-ethereum-pool: No such file or directory

##
# You should look at the following URL's in order to grasp a solid understanding
# of Nginx configuration files in order to fully unleash the power of Nginx.
# http://wiki.nginx.org/Pitfalls
# http://wiki.nginx.org/QuickStart
# http://wiki.nginx.org/Configuration
#
# Generally, you will want to move this file somewhere, and start with a clean
# file but keep this around for reference. Or just disable in sites-enabled.
#
# Please see /usr/share/doc/nginx-doc/examples/ for more detailed examples.
##

# Default server configuration
#
upstream api {
server 127.0.0.1:8080;
}
server {
        listen 80 default_server;
        listen [::]:80 default_server;

        # SSL configuration
        #
        # listen 443 ssl default_server;
        # listen [::]:443 ssl default_server;
        #
        # Note: You should disable gzip for SSL traffic.
        # See: https://bugs.debian.org/773332
        #
        # Read up on ssl_ciphers to ensure a secure configuration.
        # See: https://bugs.debian.org/765782
        #
        # Self signed certs generated by the ssl-cert package
        # Don't use them in a production server!
        #
        # include snippets/snakeoil.conf;

        root {PUT YOUR PATH TO /open-ethereum-pool/www/dist HERE  It should look like /home/username/open-ethereum-pool/www/dist};

        # Add index.php to the list if you are using PHP
        index index.html index.htm index.nginx-debian.html;

        server_name _;

        location / {
                # First attempt to serve request as file, then
                # as directory, then fall back to displaying a 404.
                try_files $uri $uri/ =404;
        }
        location /api {
        proxy_pass http://api;
        }
        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #       include snippets/fastcgi-php.conf;
        #
        #       # With php7.0-cgi alone:
        #       fastcgi_pass 127.0.0.1:9000;
        #       # With php7.0-fpm:
        #       fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #       deny all;
        #}
}


# Virtual Host configuration for example.com
#
# You can move that to a different file under sites-available/ and symlink that
# to sites-enabled/ to enable it.
#
#server {
#       listen 80;
#       listen [::]:80;
#
#       server_name example.com;
#
#       root /var/www/example.com;
#       index index.html;
#
#       location / {
#               try_files $uri $uri/ =404;
#       }
#}

/* jshint node: true */

module.exports = function(environment) {
  var ENV = {
    modulePrefix: 'open-ethereum-pool',
    environment: environment,
    rootURL: '/',
    locationType: 'hash',
    EmberENV: {
      FEATURES: {
        // Here you can enable experimental features on an ember canary build
        // e.g. 'with-controller': true
      }
    },

    APP: {
      // API host and port
      ApiUrl: '//ethergrab.us:8080',

      // HTTP mining endpoint
      HttpHost: 'http://ethergrab.us',
      HttpPort: 8888,

      // Stratum mining endpoint
      StratumHost: 'ethergrab.us',
      StratumPort: 8008,

      // Fee and payout details
      PoolFee: '0.1%',
      PayoutThreshold: '0.01 Ether',

      // For network hashrate (change for your favourite fork)
      BlockTime: 14.4
    }
  };

  if (environment === 'development') {
    /* Override ApiUrl just for development, while you are customizing
      frontend markup and css theme on your workstation.
    */
    ENV.APP.ApiUrl = 'http://165.227.62.163:8080/'
    // ENV.APP.LOG_RESOLVER = true;
    // ENV.APP.LOG_ACTIVE_GENERATION = true;
    // ENV.APP.LOG_TRANSITIONS = true;
    // ENV.APP.LOG_TRANSITIONS_INTERNAL = true;
    // ENV.APP.LOG_VIEW_LOOKUPS = true;
  }

  if (environment === 'test') {
    // Testem prefers this...
    ENV.locationType = 'none';

    // keep test console output quieter
    ENV.APP.LOG_ACTIVE_GENERATION = false;
    ENV.APP.LOG_VIEW_LOOKUPS = false;

    ENV.APP.rootElement = '#ember-testing';
  }


  if (environment === 'production') {

  }

  return ENV;
};

{
        "threads": 2,
        "coin": "eth",
        "name": "main",

        "proxy": {
                "enabled": true,
                "listen": "ethergrab.us:8888",
                "limitHeadersSize": 1024,
                "limitBodySize": 256,
                "behindReverseProxy": false,
                "blockRefreshInterval": "120ms",
                "stateUpdateInterval": "3s",
                "difficulty": 3000000000,
                "hashrateExpiration": "3h",

                "healthCheck": true,
                "maxFails": 100,

                "stratum": {
                        "enabled": true,
                        "listen": "ethergrab.us:8008",
                        "timeout": "120s",
                        "maxConn": 8192
                },

                "policy": {
                        "workers": 8,
                        "resetInterval": "60m",
                        "refreshInterval": "1m",

                        "banning": {
                                "enabled": true,
                                "ipset": "blacklist",
                                "timeout": 1800,
                                "invalidPercent": 30,
                                "checkThreshold": 30,
                                "malformedLimit": 5
                        },
                        "limits": {
                                "enabled": false,
                                "limit": 30,
                                "grace": "5m",
                                "limitJump": 10
                        }
                }
        },

        "api": {
                "enabled": true,
                "purgeOnly": false,
                "purgeInterval": "10m",
                "listen": "ethergrab.us:8080",
                "statsCollectInterval": "5s",
                "hashrateWindow": "30m",
                "hashrateLargeWindow": "3h",
                "luckWindow": [64, 128, 256],
                "payments": 30,
                "blocks": 50
        },

        "upstreamCheckInterval": "5s",
        "upstream": [
                {
                        "name": "main",
                        "url": "http://127.0.0.1:8545",
                        "timeout": "10s"
                },
                {
                        "name": "backup",
                        "url": "http://127.0.0.2:8545",
                        "timeout": "10s"
                }
        ],

        "redis": {
                "endpoint": "127.0.0.1:6379",
                "poolSize": 10,
                "database": 0,
                "password": ""
        },

        "unlocker": {
                "enabled": false,
                "poolFee": 0.1,
                "poolFeeAddress": "0x2070bc092d120e5a5da876fff6aec9f384e536ea",
                "donate": false,
                "depth": 120,
                "immatureDepth": 20,
                "keepTxFees": false,
                "interval": "10m",
                "daemon": "http://127.0.0.1:8545",
                "timeout": "10s"
        },

        "payouts": {
                "enabled": false,
                "requirePeers": 25,
                "interval": "180m",
                "daemon": "http://127.0.0.1:8545",
                "timeout": "10s",
                "address": "0x13a54a0d7ebfd0a54aee99cf340218aa8a942e5c",
                "gas": "21000",
                "gasPrice": "50000000000",
                "autoGas": true,
                "threshold": 10000000,
                "bgsave": false
        },

        "newrelicEnabled": false,
        "newrelicName": "MyEtherProxy",
        "newrelicKey": "SECRET_KEY",
        "newrelicVerbose": false
}

./build/bin/open-ethereum-pool config.json

 ./geth --fast --cache=2048 --rpc --rpcport=8545

INFO [06-03|19:44:03] Imported new block headers               count=45 elapsed=115.564ms number=5728461 hash=3d60ae…ff07ca ignored=68
INFO [06-03|19:44:03] Imported new block receipts              count=2  elapsed=8.941ms   number=5728350 hash=bd399e…47032b size=199.36kB ignored=0
INFO [06-03|19:44:03] Imported new block receipts              count=2  elapsed=8.137ms   number=5728352 hash=5f3117…bf4035 size=165.29kB ignored=0
INFO [06-03|19:44:05] Imported new block receipts              count=23 elapsed=48.591ms  number=5728375 hash=174aa9…3ea81a size=2.21mB   ignored=0
INFO [06-03|19:44:13] Imported new block receipts              count=21 elapsed=44.066ms  number=5728396 hash=13a769…38b541 size=1.80mB   ignored=0
INFO [06-03|19:44:18] Imported new state entries               count=0  elapsed=247.633µs processed=58166343 pending=1 retry=1 duplicate=0 unexpected=31
INFO [06-03|19:44:18] Imported new block headers               count=1  elapsed=7.395ms   number=5728462 hash=691de0…b07980 ignored=0

2018/06/03 19:31:20 Policy state refresh complete
2018/06/03 19:31:21 Stats collection finished 529.945µs
2018/06/03 19:31:26 Stats collection finished 572.791µs
2018/06/03 19:31:31 Stats collection finished 434.231µs
2018/06/03 19:31:36 Stats collection finished 483.334µs
2018/06/03 19:31:41 Stats collection finished 605.187µs
2018/06/03 19:31:46 Stats collection finished 496.801µs
2018/06/03 19:31:51 Stats collection finished 479.794µs
2018/06/03 19:31:56 Stats collection finished 545.559µs
2018/06/03 19:32:01 Stats collection finished 367.737µs
2018/06/03 19:32:06 Stats collection finished 650.501µs
2018/06/03 19:32:11 Stats collection finished 477.651µs
2018/06/03 19:32:16 Stats collection finished 502.904µs
2018/06/03 19:32:20 Policy state refresh complete
2018/06/03 19:32:21 Stats collection finished 557.132µs
2018/06/03 19:32:26 Stats collection finished 588.987µs
2018/06/03 19:32:31 Stats collection finished 532.213µs
2018/06/03 19:32:36 Stats collection finished 726.653µs
2018/06/03 19:32:41 Stats collection finished 698.799µs
2018/06/03 19:32:46 Stats collection finished 490.79µs
2018/06/03 19:32:51 Stats collection finished 580.612µs
2018/06/03 19:32:56 Stats collection finished 489.052µs
2018/06/03 19:33:01 Stats collection finished 605.274µs
2018/06/03 19:33:06 Stats collection finished 549.786µs

$ ./geth --rpc --rpcaddr 127.0.0.1 --rpcport 8545 --cache=1024

** Edit open-ethereum-pool >>payouts >>unlocker.go  and change  [ var homesteadReward = math.MustParseBig256(“3000000000000000000”) ] with your coin block reward

INFO [06-16|00:27:44] Imported new chain segment               blocks=1  txs=223  mgas=7.977   elapsed=542.332ms mgasps=14.709 number=5796088 hash=707a7e…fe4493 cache=39.32mB
INFO [06-16|00:27:51] Imported new chain segment               blocks=1  txs=7    mgas=0.415   elapsed=78.111ms  mgasps=5.308  number=5796089 hash=db3037…26311d cache=39.40mB
INFO [06-16|00:28:00] Imported new chain segment               blocks=1  txs=86   mgas=7.991   elapsed=1.082s    mgasps=7.383  number=5796090 hash=9eb444…b839b2 cache=40.27mB
INFO [06-16|00:28:19] Imported new chain segment               blocks=1  txs=236  mgas=7.881   elapsed=1.254s    mgasps=6.281  number=5796090 hash=96427f…b14688 cache=40.84mB
INFO [06-16|00:29:02] Imported new chain segment               blocks=4  txs=722  mgas=30.060  elapsed=4.456s    mgasps=6.745  number=5796094 hash=0ca2a0…8dfb73 cache=44.06mB
INFO [06-16|00:29:10] Imported new chain segment               blocks=1  txs=97   mgas=7.668   elapsed=837.630ms mgasps=9.155  number=5796095 hash=b26b1b…306279 cache=44.60mB
INFO [06-16|00:29:11] Imported new chain segment               blocks=1  txs=56   mgas=7.979   elapsed=552.999ms mgasps=14.429 number=5796095 hash=091f4f…a0fae7 cache=44.91mB
INFO [06-16|00:29:23] Imported new chain segment               blocks=1  txs=19   mgas=7.983   elapsed=284.875ms mgasps=28.023 number=5796096 hash=cfb4cd…cc5dec cache=45.10mB
INFO [06-16|00:29:31] Imported new chain segment               blocks=1  txs=103  mgas=7.975   elapsed=642.348ms mgasps=12.415 number=5796097 hash=b4a4b1…707606 cache=45.82mB

/geth --fast --cache=1024  console  --rpc

geth  console --fast --rpc --rpcport 33000 --rpccorsdomain "*" --rpcaddr "127.0.0.1" --rpcapi "db,eth,net,web3,personal" --rpcvhosts=yourDomainHere.com

geth --rpc --fast --unlock 0xAddress