Authenticator, generates codes for verification in two steps in Linux

There is no doubt that the security of information in the network is paramount, we are increasingly knowing cases where hackers manage to create a new method to violate the security measures implemented in various computer systems.

Since the famous case in which the Movistar company suffered an attack, there have been cases of the same type, but with variants of the attack.

If something I strongly agree with is that no matter how safe a system is, if it is through the human factor, it is the gap to enter. And why do I say this, since it is simple, many of the attackers take advantage of human error to obtain the information they want and that is from a simple exploit, if the victim does not have the slightest idea of ​​how to differentiate between a real site to a fake, it's just lost.

A very simple way to protect your information, even if you fall into fake sites, is using two-step authentication. This method works in the following way: to enter a site you require a user and a password, this information in theory only you have it.

But what happens when you enter a fake site or does someone else get that data?

This is where the authentication comes in two steps, this is an extra security measure, which works in a similar way to the token that you provide in banks. You receive a code, usually 6 digits, either to your email, through SMS, phone call or with an application that is linked to your cell phone.

This code must be entered and is only generic, since it has expiration time if you do not have to generate a new one.

As a personal comment, this measure is good, since it not only protects your information, since, if you use your smartphone to receive the codes, you receive the alert that someone else is trying to access your information and it is when you are in time to change your credentials

How to implement a two-step verification in Linux?

Personally I did not know any services or software that I could implement in my system, that until recently. Browsing the network I found Authenticator, this software is responsible for generating codes for it.

Authenticator is an application developed to work in environments such as Gnome, although it also works well on others, Authenticator is easy to use.

Authenticator supports more than 250 services, including the most popular among them are:

Facebook, Google, Twitter, Apple, Amazon, Evernote, Gmail, YouTube, Twitch, Dropbox, ProtonMail, LastPass, OneDrive, Reddit and many more.

How to install Authenticator in Linux?

In order to start using this tool in our system, we can obtain it in a fairly simple way, we only need the support to install flatpak applications in our distribution. If we count it, we only have to open a terminal and use the following command to install the program through Flatpak.

$ flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

$ flatpak install flathub com.github.bilelmoussaoui.Authenticator

Be patient, as it can often take several minutes for Flatpak to download everything you need. We may be asked to install the GNOME Runtime.

Ready with this you already have Authenticator installed on your system. Now when you want to start the program, enter in a terminal.

$ flatpak run com.github.bilelmoussaoui.Authenticator

To update the program to a new version, if it is available we should only execute the following command:

$ flatpak --user update com.github.bilelmoussaoui.Authenticator

Now if, on the contrary, what you want to do is uninstall the application, on a terminal you must execute the following command:

$ flatpak --user uninstall com.github.bilelmoussaoui.Authenticator

Finally, I will try the service for a while I have read in the network that other programs exist, but as I commented personally I did not know them. If you know or use another service other than Authenticator do not hesitate to share it in the comments.

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