Nov 232012
 

In the past I’ve published some info to enhance the security of your ssh server such as 3 easy steps to strengthen your ssh server or how to use SSH for more secure browsing in public networks, today we’ll take a look at the PAM modules of GNU/Linux and in particular the module ssh and at some options that we can activate to strengthen our ssh server.

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Nov 102012
 

In a previous post we’ve seen how to Enable automatic security update in Debian/Ubuntu, I use it on my Debian VPS and I must say that I’ve forgot to be worried about security updates thanks to this, but perhaps you have a Red Hat 6 or Centos 6 and you want to sleep well as well ?

There is no problem, today we’ll see how to achieve the same result on a Centos 6 machine.
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Jun 282012
 

Original article by Paul Castagnino, first published on usemoslinux.blogspot.it in spanish

Secure Boot is a type of mechanism that verifies that the code executed is digitally signed. Thus the computer can only boot an operating system that has a bootloader properly signed. This is a requirement that Microsoft asked to put on computers the badge “Windows 8 Certified”. This request by Microsoft has split the waters among the major Linux distributions , find out why.

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Email on shutdown and restart (Linux)

For a customer i was in need of a quick way to send an email every time his system (centos) stop, reboot or simply boot. I’ve found an useful article http://www.syntaxtechnology.com and most of this article is based on that. To get an email at both start up and shut down we need to write [...]

2 Useful plugins for Yum

In these days i’ve worked a lot on Red Hat Enterprise and Centos machines, and so i’ve used yum to install, upgrade, remove and download packages. I’m more used to .deb packages (or the portage system), and so for me these plugins are both new and really useful to extend the basic functions of yum. [...]