Added edgeapps package, cleaned up redundancies

internal/utils/go.mod

@@ -0,0 +1,3 @@
+module github.com/edgebox-iot/sysctl/internal/utils
+
+go 1.15

internal/utils/utils.go

@@ -0,0 +1,24 @@
+package utils
+
+import (
+	"bytes"
+	"fmt"
+	"log"
+	"os/exec"
+)
+
+// Exec : Runs a terminal Command, catches and logs errors, returns the result.
+func Exec(command string, args []string) string {
+	cmd := exec.Command(command, args...)
+	var out bytes.Buffer
+	var stderr bytes.Buffer
+	cmd.Stdout = &out
+	cmd.Stderr = &stderr
+	err := cmd.Run()
+	if err != nil {
+		log.Println(fmt.Sprint(err) + ": " + stderr.String())
+	}
+	log.Println("Result: " + out.String())
+
+	return out.String()
+}