Why does \'sudo go run main.go\' fail with \'exec: go: executable file not found in $PATH\'?

Troubleshooting "sudo go run main.go" Errors when Running Go Programs as Root

When attempting to capture network packets using gopacket, you may encounter an error stating "exec: go: executable file not found in $PATH" while running the command "sudo go run main.go." This error occurs because your environment variables are not configured for the root user.

Contrary to the approach of using "sudo go run ...," consider building the binary first without root privileges using "go build" or "go install." Once the binary is built, execute it with "sudo."

For instance, if you're working with main.go in a folder named mycapt, follow these steps:

cd mycapt
go build
sudo ./mycapt

Alternatively, you can use:

go install
sudo $GOPATH/bin/mycapt

By building the binary and then running it with sudo, you ensure that the binary has the appropriate permissions to perform the necessary operations.

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