Update README file
diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,4 +1,56 @@
MCP sanity checks
========================
-This is salt-based set of tests for basic verification of MCP deployments
+This is salt-based set of tests for basic verification of MCP deployments
+
+How to start
+=======================
+
+1) Clone repo to any node (node must have an access via http to salt master):
+```bash
+ # root@cfg-01:~/# git clone https://github.com/Mirantis/cvp-sanity-checks
+ # cd cvp-sanity-checks
+```
+Use git config --global http.proxy http://proxyuser:proxypwd@proxy.server.com:8080
+if needed.
+
+2) Install virtualenv
+```bash
+ # curl -O https://pypi.python.org/packages/source/v/virtualenv/virtualenv-X.X.tar.gz
+ # tar xvfz virtualenv-X.X.tar.gz
+ # cd virtualenv-X.X
+ # sudo python setup.py install
+```
+or
+```bash
+ # apt-get install python-virtualenv
+```
+
+3) Create virtualenv and install requirements and package:
+```bash
+ # virtualenv --system-site-packages .venv
+ # source .venv/bin/activate
+ # pip install --proxy http://$PROXY:8678 -r requirements.txt
+ # python setup.py install
+ # python setup.py develop
+```
+
+4) Configure:
+```bash
+ # vim cvp_checks/global_config.yaml
+```
+SALT credentials are mandatory for tests.
+Other settings are optional (please keep uncommented with default values)
+Alternatively, you can specify these settings via env variables:
+export SALT_URL=http://10.0.0.1:6969
+For array-type settings please do:
+export skipped_nodes='ctl01.example.com,ctl02.example.com'
+
+5) Start tests:
+```bash
+ # pytest --tb=short -sv cvp_checks/tests/
+```
+or
+```bash
+ # pytest -sv cvp_checks/tests/ --ignore cvp_checks/tests/test_mtu.py
+```