title: protoc-gen-go-grpc: program not found or is not executable
body: <p><code>go version</code>: go version go1.14 linux/amd64</p>
  
  <p>go.mod</p>
  
  <pre><code>module [redacted]
  
  go 1.14
  
  require (
      github.com/golang/protobuf v1.4.0-rc.2
      google.golang.org/grpc v1.27.1
      google.golang.org/protobuf v1.20.0 // indirect
  )
  </code></pre>
  
  <p>I am running the following command:</p>
  
  <pre><code>protoc -I ./src/pbdefs/protos/ --go-grpc_out=. src/pbdefs/protos/*.proto
  </code></pre>
  
  <p>to generate my GRPC output files from <code>.proto</code> files, with I am getting  an error</p>
  
  <pre><code>protoc-gen-go-grpc: program not found or is not executable
  Please specify a program using absolute path or make sure the program is available in your PATH system variable
  --go-grpc_out: protoc-gen-go-grpc: Plugin failed with status code 1.
  </code></pre>