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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...
OK, this one was really annoying. I was able to print successfully using my HP printer but hp-scan/xsane would give me this error: "Error during device I/O." Then it would walk me through installing the proprietary plugin, which I had already installed from http://www.openprinting.org/download...es/HP/plugins/.
I ran hp-setup, hp-plugin, and hp-check hoping to find something obvious. Then a thread reminded me to check syslog, and I found this:
I have an 11-year old computer running Ubuntu 12.04. The Software Manager has had the 14.04 upgrade available for about a month now, and I decided to give it a try. Since OS upgrades have traditionally been disasters for me, I decided to try the 14.04 upgrade on the old machine before risking my primary machine. If you happen to read my LQ blog, there are entries referring to Pogo2003, as I call my old machine.
The upgrade installer program warned me that some of my hardware wasn't...
Zabbix is the ultimate enterprise-level software designed for monitoring availability and performance of IT infrastructure components. Zabbix is open source and comes at no cost.
With Zabbix it is possible to gather virtually limitless types of data from the network. High performance real-time monitoring means that tens of thousands of servers, virtual machines and network devices can be monitored simultaneously. Along with storing the data, visualization features are available (overviews,...