madflojo

// cfg is used across the app package to contain configuration.
var cfg *viper.Viper

// Run starts the primary application. It handles starting background services,
// populating package globals & structures, and clean up tasks.
func Run(c *viper.Viper) error {
	// Apply config provided by main to the package global
	cfg = c

        ...

madflojo

	// Resolve TCP Address
	addr, err := net.ResolveTCPAddr("tcp", "127.0.0.1:9000")
	if err != nil {
		fmt.Printf("Unable to resolve IP")
	}

	// Start TCP Listener
	l, err := net.ListenTCP("tcp", addr)
	if err != nil {
		fmt.Printf("Unable to start listener - %s", err)

madflojo

	// Open TCP Connection
	c, err := net.DialTCP("tcp", nil, addr)
	if err != nil {
		fmt.Printf("Unable to dial to server - %s", err)
	}

 	// Enable Keepalives
	err = c.SetKeepAlive(true)
	if err != nil {
		fmt.Printf("Unable to set keepalive - %s", err)	

madflojo

	// Set Keepalive time interval
	err = c.SetKeepAlivePeriod(30 * time.Second)
	if err != nil {
		fmt.Printf("Unable to set keepalive interval - %s", err)	
	}

madflojo

#! /bin/bash
# Simple script that says who I am.

WHOAMI=`whoami`

if [ $WHOAMI == "root" ]
then
cowsay "I am rooooot!!!"
else
cowsay "You are $WHOAMI"

madflojo

#! /bin/bash
# Simple script that says who I am.

WHOAMI=$(whoami)

if [ $WHOAMI == "root" ]; then
        cowsay "I am rooooot!!!"
else
        cowsay "You are $WHOAMI"
fi

madflojo

$ shellcheck whoami.sh

In whoami.sh line 6:
if [ $WHOAMI == "root" ]; then
     ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
if [ "$WHOAMI" == "root" ]; then

For more information:

madflojo

/*

Package directory is an example package that creates an internal directory for People.

This package is an example used for a Blog article and is not for anything else.

*/
package directory

// Person represents a person and their attributes.

madflojo

// New is used to create a new instance of Directory.
func New(name string) (*Directory, error) {
  return &Directory{}, nil
}

madflojo

/*

Package directory is an example package that creates an internal directory for People.

This package is an example used for a Blog article and is not for anything else.

*/
package directory

import (