Category: Linux

Linux Practical Security Course

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Dear Members , I am happy to announce that Linux Practical Security by LZH Project is complete. We will launch it shortly. Please support us by buying and rating this course. For first 20 buyers there will be a discount of $5. Total cost is $25. You can also book your copy by sending me […]

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Unable to Connect “The Squid Error “

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So today i had a strange problem when i was only able to access google.com and not other sites. I was able to browse gmail, but not mail ru. Everything was working fine but out of no where this error “Unable to Connect” appeared on my Browsers. It was kinda strange, since i made no […]

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Securing SSH with Keys

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To Secure your server you need to make sure that remote access system such as SSH ( Secure Shell) is secure. In this Howto i will show you how you can secure your Server with SSH keys.

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The Find Command

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This is HowTo Search and delete file with “find command” Pretty Handy ! find /home/work/salman/ -type f -name *.txt -exec rm -i {} \; This command will find all of the files with extension txt such as file.txt and ask for its removal. Thanks and Enjoy Linux Tip of the Day. Salman

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How to mount .bin and .cue in Linux

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This Howto is to show that how we can mount “.bin” and “.cue” files on Linux without burning them on CD. First we need fuseiso On Suse Linux use yast to download fuseiso Once downloaded use the following commands as a non root user: Create Directory: Create a directory in home directory of user , […]

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My UTMS Book Link

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Dear Friends, just sharing link of my Linux Security & Unified Threat Management System Book i wrote in year 2007. Enjoy here is the link http://www.4shared.com/office/YThOX3LW/lsutmsbook.html Thanks, Salman Aftab

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CONVERTING CISCO 7940 PHONES TO WORK WITH ASTERISK / ELASTIX

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This is a third part of Hosting Cisco Phone Files on TFTP Server, to make Cisco Phones work with SIP Server such as Asterisk / Elastix. You can Download the third part from here:  CONVERTING CISCO 7940 PHONES TO WORK WITH ASTERISK- Elastix -Part III   Thanks, Salman Aftab

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Setting up Linux DHCP Server for Cisco Phone Files PART -II

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This is the second part of three part series. In this part we will setup DHCP Server on our Linux box. This DHCP will provide automatic IP addresses to our Cisco Phones.(If it’s set to YES) So Lets setup a simple DHCP Server on Linux. You can Download the Pdf from here Setting up Linux TFTP […]

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Setting up Linux TFTP Server for Cisco Phone Files PART -I

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Hey Guys this time its Linux and Cisco working hand to hand. This post is kind of a multipost and consist of : 1. TFTP Server Setup on CentOS 6.4 2. DHCP Server Setup on CentOS 6.4 3. Hosting Cisco Phones Firmware on TFTP Server 4. Converting SCCP to SIP to use Cisco VOIP Phones […]

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Python for Linux Admins – Part V

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In fifth part of our Python blog entry i will write my own script. This script will provide us with the port information of any Linux service. Also you will see a touch of socket programming in python. Enjoy ! I have named this script as porter.

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