Fedora

Find out where Golang is installed, generally on the fedora it is /usr/local/go Or if you have custom location then check with echo $GOROOT and go to the location and rename go directory using sudo mv go go1.7.3. We keep older version for safety. Now, go to https://golang.org/dl/ and download suitable version for your system. Lets say downloaded file is in ~/Downloads/ and then execute following (modify paths as required) ...