Here are 7 tips for using shell faster and efficiently.

Many times we forget to prepend a command by “sudo”. Instead for getting last command, hit HOME and append “sudo”, we can type in a blank line: “sudo !!” This repeats last command prepending “sudo” to it.

How many times have you been stuck in a shell or SSH session just to keep that critical process running trying to avoid its cancellation upon disconnection?

If you need to detaching any Linux process from your parent shell or SSH session without installing any tools you need to know…

Everything you need to know about password strengh


We are currently living in the digital age, where many of us still don’t care about the 3 basic pillars of information security: Confidentiality, Integrity and Accessibility. In this article, we will cover the first one, confidentiality, the main form of…

Tudo o que você precisa saber — E aplicar


Vivemos atualmente na era digital, aonde muitos de nós ainda não se preocupam com os 3 pilares básicos de segurança da informação: Confidencialidade, Integridade e Acessibilidade. Nesse artigo abordaremos o primeiro deles, a confidencialidade, sendo que a principal forma de…

Daniel Jordao

Software Architect, Security Researcher and Pentester

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