Install Openvswitch from source (Ubuntu 14.04.3 Server)

ovs.sh

!#/bin/bash
# Install openvswitch Ubuntu 14.04.3
# Author: Oleg Slavkin (oleg@slavkin.info)

echo "-------------------------------"
echo "Step 1. Install git package"
echo "-------------------------------"
sudo apt-get update
sudo apt-get -y install git

echo "Step 2. Clone Openvswitch git Repo"
git --depth=1 clone https://github.com/openvswitch/ovs.git

echo "Step 3. Install tools"
sudo apt-get -y install autoconf libtool make

echo "Step 4.  Build OvS"
cd ovs/
./boot.sh
./configure --with-linux=/lib/modules/`uname -r`/build
make
echo "Step 5. Install OpenVswitch"
sudo make install
sudo make modules_install

echo "Step 6. Create OvS Database"
sudo ovsdb-tool create /usr/local/etc/openvswitch/conf.db vswitchd/vswitch.ovsschema

echo "Step 7. Run OvS..."
sudo ovsdb-server --remote=punix:/usr/local/var/run/openvswitch/db.sock \
                 --remote=db:Open_vSwitch,Open_vSwitch,manager_options \
                 --private-key=db:Open_vSwitch,SSL,private_key \
                 --certificate=db:Open_vSwitch,SSL,certificate \
                 --bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert \
                 --pidfile --detach
sudo ovs-vsctl --no-wait init
sudo ovs-vswitchd --pidfile --detach

Hi,
you can use the following command to create your database:
/usr/share/openvswitch/scripts/ovs-ctl start
any time you needed you can use the following command to restart the connection from your OVS to controller:
/usr/share/openvswitch/scripts/ovs-ctl restart