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Angelo Fo. Blog [My OpenSource Project News, previews & announcements of my free posts on http://digitalpatch.blogspot.com]

In this blog I'll talk you about my projects about GNU/Linux and solutions regarding security, software development and my own FOSS projects.

I will also publish "previews & announcements" of my free posts on DigitalPatch (Security Blog)

Note: Digital Patch Posts by Angelo Fonzeca are licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License and are based on a work at http://digitalpatch.blogspot.com


NOTE: If you are interested in IT Security, join us at "GNU/Linux Security & Hardening" group on Linkedin
Old

Slow Intel video performance on Netbooks with EEEUBUNTU or JOLICLOUD [ANNOUNCEMENT]

Posted 12-10-2010 at 08:27 AM by angelo.fonzeca (Angelo Fo. personal blog)
Updated 12-13-2010 at 06:34 AM by angelo.fonzeca

The Story...

In the last few days, I choose to upgrade my Asus EEEPC 900 to EEEBUNTU NBR 3.0 (based on Ubuntu 9.04 Desktop Jaunty).

After the installation, it was unbelievable how it worked badly...

The mouse pointer was tilting (as the mouse ball was unclean since 1990... Amiga like style!)...

Anyway all the system was very very very SLOOOOWWWWWWwwwww.

Oh My God!!!!!

Well, the solution was behind the corner......
PerseusGuard Developer
Views 1498 Comments 0 angelo.fonzeca is offline
Old

OpenSSH daemon hardening ( Part 1 ) - Modify the configuration file [ANNOUNCEMENT]

Posted 12-10-2010 at 08:23 AM by angelo.fonzeca (Angelo Fo. personal blog)
Updated 12-13-2010 at 06:29 AM by angelo.fonzeca

Introduction

OpenSSH is a daemon (a "service" in Unix environments) which helps system administrators to manage server remotely.
The SSH daemon is "similar" to "telnet" in the sense that it provides a remote shell for accessing Unix or GNU/Linux systems.
The main difference is that the latter doesn't use encryptation during the session, so it's easily to intercept the content of the communication between two machines (typically a client/server...
PerseusGuard Developer
Posted in Linux Security
Views 1117 Comments 0 angelo.fonzeca is offline
Old

OpenSSH daemon hardening ( Part 2 ) - How to use RSA/DSA Keys [ANNOUNCEMENT]

Posted 12-10-2010 at 08:19 AM by angelo.fonzeca (Angelo Fo. personal blog)
Updated 12-13-2010 at 06:30 AM by angelo.fonzeca

[Note: This is a draft version of the post; it'll be revised as soon as possible]

Introduction

In my previous post, I explained you how to configure OpenSSH for improving its security. By the way, if your SSH service is available on the Internet and accessible by any IP address (e.g. You connect your client on the internet with a dynamic IP address and/or you want reach your server from anywhere...), it can be more exposed to brute force attacks! So a new "hardening...
PerseusGuard Developer
Posted in Linux Security
Views 968 Comments 0 angelo.fonzeca is offline
Old

OpenSSH daemon hardening ( Part 3 ) - Setup a chroot enviroment on CentOS with JailKit[ANNOUNCEMENT]

Posted 12-10-2010 at 08:16 AM by angelo.fonzeca (Angelo Fo. personal blog)
Updated 12-13-2010 at 06:31 AM by angelo.fonzeca


[Note: This is a draft version of the post; it'll be revised as soon as possible]


Introduction - What is a chroot?


"A chroot on Unix operating systems is an operation that changes the apparent disk root directory
for the current running process and its children. A program that is
re-rooted to another directory cannot access or name files outside that
directory, and the directory is called a "chroot jail" or
...
PerseusGuard Developer
Posted in Linux Security
Views 1513 Comments 0 angelo.fonzeca is offline
Old

How-to: Harden a Linux Web Server (Overview) [ANNOUNCEMENT]

Posted 12-10-2010 at 08:02 AM by angelo.fonzeca (Angelo Fo. personal blog)
Updated 12-13-2010 at 06:32 AM by angelo.fonzeca

Introduction

Last weeks on "System administrators" group on Linkedin, the members talked about how to harden a GNU/Linux web server for an hacking contest.
Because I think it was born an intersting "to do" list about the argument during a post of mine, I have taken the decision to report in this article the ideas and my vision of the problem.

The following words are what I wrote...


Hardening Linux step-by-step
...
PerseusGuard Developer
Posted in Linux Security
Views 1510 Comments 0 angelo.fonzeca is offline

  



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