[9] Results

Golang : Get login name from environment and prompt for password

golang password os-get-environment two-factor script-authentication


You want to write a Golang script(short program for administrating server, etc) that grab the current user's login name,….... read more

Golang : Verify Linux user password again before executing a program example

golang password authentication pamexec

One of my previous tutorial shows you how to restrict a program execution to root only and this can….... read more

Golang : Go as a script or running go with shebang/hashbang style

golang linux unix shebang hashbang shell-script

One of the job scope of Unix/Linux system administrator is to write shell scripts to accomplish certain task. However, there….... read more

Golang : Basic authentication with .htpasswd file

golang authentication htpasswd

If you are looking to protect a web page with Basic Authentication. It can be done easily with Golang. In….... read more

Golang : Simple client-server HMAC authentication without SSL example

golang hmac authentication client-server connection-handshaking


You are building a distributed system that involves multiple processes communicating across a cluster of computers. You want to….... read more

Golang : Generate QR codes for Google Authenticator App and fix "Cannot interpret QR code" error

golang qr-codes generate png google-authenticator two-factor-authentication

This is a supplement tutorial for the previous tutorial on how to generate QR codes with Golang and….... read more

Golang : Login and logout a user after password verification and redirect example

golang bcrypt-password-authentication session gorilla-webtoolkit redirect-page

Writing this tutorial for my own future reference. User name and password authentication is a fairly common task for any….... read more

Golang : Verify token from Google Authenticator App

golang qr-codes verify google-authenticator two-factor-authentication

One of the steps to implement 2FA(two-factor authentication) is to verify the token generated by app such as Google Authenticator….... read more