Stop Boatswain
Update the repository
apt-get update
Check if the new version is available in the repository
apt-cache policy boatswain
Install the latest Boatswain
apt-get install boatswain
Verify the version and if it is ok you can start the Boatswain service
boatswain -v
Stop Boatswain
Update Boatswain using directly using the yum command
yum update boatswain
Verify the version and if it is ok you can start the Boatswain service
boatswain -v