Aug 092014
 

In previous posts we’ve seen how to Enable automatic security update in Debian/Ubuntu and in Red hat enterprise or Centos 6, recently I’ve started to work with the new Red Hat Enterprise 7 and I’ve noticed that there are some interesting changes in the way this system can be set to auto update.

An example ?

In Red Hat/Centos 6 you could not set which kind of update you’d like to do, so you could just decide to update for any kind of update (feature,bug or security) or nothing at all, this has changed and now we can fine grain which kind of updates we want to do on our servers.

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Jul 092014
 

Debian6lts
As probably most people know Debian has announced an extended support for Squeeze (AKA Debian 6), so while the “ordinary” support has ended on the 31 may 2014 there is now a Long Term Support (LTS) until the February 2016.
This has been announced by a team of volunteer on April

That’s a great news if you are not able to upgrade your server from Debian 6 to 7 and these are the instructions to do it easily.

Important: Squeeze-LTS will only support i386 and amd64. Users of other architectures are encouraged to upgrade to Debian 7 (“wheezy”).

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Apr 022014
 

apache

Article by: Kerry Blake

Apache is the most widely used Web server on the Internet. It was developed to work in Unix environment, but was ported to other server operating system like Windows. The Apache web server serves millions of websites and web-applications. A wide range of authentication schemes and a lot of language interfaces support and security features makes it the favorite Web server of millions of users all over the globe.

The stardom and popularity also makes websites that are backed by Apache favorite target among hackers. Websites that are backed by Apache often fall prey for hack attacks not because of security risks and holes in Apache, but mainly because of poorly written code and other security issues associated with Database. Apache and Linux combination provides good security, but things might go wrong if you don’t take the measures. There are several things one need to do to secure Apache. We have compiled a list of simple things you should perform to make you Web server secure.
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Linux Security: How to hide processes from other users

Small and at the same time great article from Steve on http://www.debian-administration.org/. — If you run a multi-user system it can increase security if you hide the display of running processes, and their arguments, which belong to other users. This helps avoid problems if users enter passwords on the command-line, and similar.

SSH in 2 steps on Linux with Google Authenticator

Article by Alessio bash, first published on his blog Many security policies require you to change the port number of the SSH service to ensure greater security in a Linux system. Situation now used throughout the IT world and used mostly by users who have their own private server. Today I want to show you […]