Curso LPI 1,2 e 3 na howtoonline com cupom :

https://br-linux.org/2017/01/pacote-preparatorio-lpic12-e-3-300-por-r20000.html

https://ead.howtoonline.com.br/

Curso LPI 1,2 e 3 e aplicações na certificacaolinux

https://www.certificacaolinux.com.br/

Cursos de segurança da informação desecsecurity

https://desecsecurity.com

Pós graduação e MBA na playbook

https://bookplay.com.br/

LPI 1 , ID: LPI000323803 em lpi.org

https://www.lpi.org/

Barracuda

https://campus.barracuda.com/

Qualys

https://www.qualys.com/

Hotsmart

https://hotmart.com/

Udemy

https://www.udemy.com

Eduonix

https://www.eduonix.com/

EDX

https://courses.edx.org/

4Linux

https://aia.4linux.com.br

Academy Estabil

https://academy.estabil.is/

Cisco netacademy

https://www.netacad.com/portal/learning

eadccna

http://www.eadccna.com.br

PackPub

https://www.packtpub.com/