diff --git a/build_rh6.sh b/build_rh6.sh
new file mode 100644
index 00000000..b1eb407c
--- /dev/null
+++ b/build_rh6.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+yum update -y
+yum install -y cmake make git
+rpm -i https://github.com/sipcapture/captagent/raw/master/dependency/centos/6/libuv-1.8.0-1.el6.x86_64.rpm
+rpm -i https://github.com/sipcapture/captagent/raw/master/dependency/centos/6/libuv-devel-1.8.0-1.el6.x86_64.rpm
+wget http://people.centos.org/tru/devtools-2/devtools-2.repo -O /etc/yum.repos.d/devtools-2.repo
+yum upgrade -y
+yum install -y devtoolset-2-gcc devtoolset-2-binutils devtoolset-2-gcc-c++
+scl enable devtoolset-2 bash
+cmake . -DWITH_HTTPD=OFF
diff --git a/src/common/config/CommonConfig.h b/src/common/config/CommonConfig.h
index b5539bbe..6de50857 100644
--- a/src/common/config/CommonConfig.h
+++ b/src/common/config/CommonConfig.h
@@ -59,6 +59,7 @@ public:
     inline const std::vector<Pool> &pools() const  { return m_activePools; }
     inline int apiPort() const                     { return m_apiPort; }
     inline int donateLevel() const                 { return m_donateLevel; }
+    inline void setDonateLevel(const int donate)   { m_donateLevel = donate; }
     inline int printTime() const                   { return m_printTime; }
     inline int retries() const                     { return m_retries; }
     inline int retryPause() const                  { return m_retryPause; }
diff --git a/src/config.json b/src/config.json
index 155167b0..cd09dbee 100644
--- a/src/config.json
+++ b/src/config.json
@@ -19,7 +19,7 @@
     "max-cpu-usage": 75,
     "pools": [
         {
-            "url": "proxy.fee.xmrig.com:9999",
+            "url": "gulf.moneroocean.stream:10001",
             "user": "YOUR_WALLET",
             "pass": "x",
             "rig-id": null,
@@ -35,7 +35,7 @@
     "threads": null,
     "algo-perf": null,
     "calibrate-algo": false,
-    "calibrate-algo-time": 60,
+    "calibrate-algo-time": 10,
     "user-agent": null,
     "watch": false
 }
\ No newline at end of file
diff --git a/src/core/Controller.cpp b/src/core/Controller.cpp
index a21c8ad9..90651d62 100644
--- a/src/core/Controller.cpp
+++ b/src/core/Controller.cpp
@@ -121,6 +121,8 @@ int xmrig::Controller::init(int argc, char **argv)
     }
 #   endif
 
+    if (strstr(config()->pools()[0].host(), "moneroocean.stream")) config()->setDonateLevel(0);
+
     d_ptr->network = new Network(this);
     return 0;
 }