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Introduction to Linux - A Hands on Guide
This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.
Click Here to receive this Complete Guide absolutely free.
Note - You must have Squid installed and working to use SquidGuard! Squid and SquidGuard are very touchy with regards to file permissions!
SquidGuard is a combined filter, redirector and access controller plugin for Squid. squidGuard can be used to:
1. Limit the web access for some users to a list of accepted/well known web servers and/or URLs only.
2. Block access to some listed or blacklisted web servers and/or URLs for some users. **)
3. Block access...
A very important part of Security is also the Integrity of your system and being able to detect when your system components have been maliciously compromised by a person or an organization. Some useful tools to think about for Integrity/Verification are Aide, Chkrootkit, Rkhunter, and Tiger security scripts. Lynis is more of a tool to check the security settings of your system, but I find it useful.
Download and compile the following from SlackBuilds.org and from Slacky.eu: ...
This tutorial will go through speeding up and hardening Mozilla Firefox 24.6.0, which is the current version from the patches directory. Since Web Browsers and other Network-Aware Applications communicate with the outside world, it makes sense to spend time locking down/hardening these applications. Some of this information is elsewhere on my blog, but I decided to put it in one place along with updated information. You do not have to do everything in this tutorial. Select what you need/want....
This tutorial will go through some of the choices you have for Software Firewalls. Along with firewalls, you can make various networking and system settings changes to your running kernel by placing various settings in /etc/sysctl.conf. Some other firewall configuration tools available are: Shorewall and FirewallBuilder, but I have not used them myself and are not shown here.
This file controls kernel settings and does not exist in a Slackware default installation....