student@client1:~$ mkdir gowebd
student@client1:~$ cd gowebd/
student@client1:~/gowebd$ cat main.go
package main
import (
"fmt"
"log"
"net/http"
"os"
)
const ver = "ver1.1"
func main() {
http.HandleFunc("/", HelloServer)
fmt.Printf("Starting server at port 80\n")
if err := http.ListenAndServe(":80", nil); err != nil {
log.Fatal(err)
}
}
func HelloServer(w http.ResponseWriter, r *http.Request) {
hostname, err := os.Hostname()
if err != nil {
panic(err)
}
fmt.Fprint(w, "Hello world from gowebd on " + hostname + " " + ver + "\n")
}
student@client1:~/gowebd$ sudo go run main.go
student@client1:~/gowebd$ go mod init gowebd
student@client1:~/gowebd$ sudo go build -o /usr/local/sbin/gowebd
student@client1:~/gowebd$ sudo /usr/local/sbin/gowebd