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Home Archive by category "Linux"

Category: Linux

Pivoting Networks Presentation

Recently I went to the Computer Sciences Department of the University of PR – Rio Piedras Campus and had a great time with the students talking about pivoting networks. I decided to share it with you … hope you enjoy it.

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Jose Quinones September 11, 2013 October 1, 2013Linux, Networking, Security, Sysadmins, Windows

Wiping/scrubbig data from a disk

Hello all, Recently a friend asked about wiping data from a hard disk. You see, he works at a hospital and he has to dispose of some hard disk so to be on the safe side he wanted to wipe them clean.

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Jose Quinones August 15, 2013 August 31, 2013Forensics, Init6 Security Group, Linux, Security, Sysadmins

BYOD: Bring your own Darkside … about my setup

Recently I presented at an ISSA meeting and some people wanted to know about my setup. Well; here it is:

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Jose Quinones June 30, 2013 August 31, 2013Init6 Security Group, Linux, Networking, Security, Sysadmins

Recover root password

  How to recover the root password in Debian 6 and RHEL 6 based systems …

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Jose Quinones April 27, 2013 June 30, 2013Linux, Security

Linux Basics for Security Professionals

Hello Guys, In our last meeting of Init6 security group I presented an introduction for those people who want to become security pros and lack the skills using Linux.  Of course this is basic stuff but I hope it helps. Linux for Security Professionals (Tips and Tricks) – Init 6 …

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Jose Quinones October 5, 2012 June 30, 2013Linux, Security, Sysadmins

Como cifrar volumenes en Linux (Encrypting Volumes)

Saludos, Nuevamente estoy aquí repasando mis temas sobre Linux  y este en particular es muy interesante para mí, ya que envuelve la seguridad de nuestros datos. El tema es cifrado de volúmenes (volume encryption).

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Jose Quinones September 30, 2012 October 10, 2013Linux, Security, Sysadmins

Trabajando con volumenes en Linux

Saludos a to@s, Me encuentro estudiando para la certificación RHCSA y en este momento estoy trabajando con lo que son volúmenes físicos (physical volumes) , grupos de volúmenes (volume groups) y volúmenes lógicos (logical volumes).  Asi que aprovecharé y compartiré con ustedes el tema.  Básicamente el concepto de volúmenes es …

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Jose Quinones September 21, 2012 October 14, 2012Linux, Sysadmins
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