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	<title>PCtechtips.org &#187; linux</title>
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	<link>http://pctechtips.org</link>
	<description>tips &#38; tutorials... networking, security, programming</description>
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			<item>
		<title>Installing VMware-Tools in Backtrack 4 &#8211; VM Workstation</title>
		<link>http://pctechtips.org/installing-vmware-tools-in-backtrack-4-vmware-wrokstation/</link>
		<comments>http://pctechtips.org/installing-vmware-tools-in-backtrack-4-vmware-wrokstation/#comments</comments>
		<pubDate>Wed, 07 Apr 2010 06:29:45 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[pentesting]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[virtualization]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=962</guid>
		<description><![CDATA[If you&#8217;re like me that test pretty much any os and apps in some sort of virtual environment. In my case I use VMware Workstation, so when I decided to test Backtrack 4 final, I needed to install the vmware Tools, and here I go over the commands needed to install the vmware tools.
1- First [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/installing-vmware-tools-in-backtrack-4-vmware-wrokstation/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>A Comprehensive Guide to TCP/IP Configuration in Linux.</title>
		<link>http://pctechtips.org/a-comprehensive-guide-to-tcpip-configuration-in-linux/</link>
		<comments>http://pctechtips.org/a-comprehensive-guide-to-tcpip-configuration-in-linux/#comments</comments>
		<pubDate>Sat, 10 Oct 2009 11:36:08 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[dynamic ip]]></category>
		<category><![CDATA[ifconfig]]></category>
		<category><![CDATA[static ip]]></category>
		<category><![CDATA[tcp/ip configuration]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=918</guid>
		<description><![CDATA[I decided to make a guide about TCP/IP configuration in Linux, and you may ask: well, what Linux distribution in specific? I know!, there are hundreds of Linux distribution, but for this guide, I&#8217;m only going to cover the two most used Linux distribution: Ubuntu and Fedora. Ubuntu is a Debian derivative, so the Ubuntu [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/a-comprehensive-guide-to-tcpip-configuration-in-linux/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Listing Active Processes with PS and TOP in Linux.</title>
		<link>http://pctechtips.org/listing-active-processes-with-ps-and-top-in-linux/</link>
		<comments>http://pctechtips.org/listing-active-processes-with-ps-and-top-in-linux/#comments</comments>
		<pubDate>Thu, 01 Oct 2009 06:42:02 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[listing process]]></category>
		<category><![CDATA[ps]]></category>
		<category><![CDATA[top]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=915</guid>
		<description><![CDATA[To see which processes are currently on a system, most people use the &#8220;ps&#8221; and &#8220;top&#8221; commands. The &#8220;ps&#8221; command gives you a snapshot (in a single list) of processes running at the moment.  The &#8220;top&#8221; command offers a screen oriented, constantly updated listing of running commands, sorted as you choose ( by CPU, [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/listing-active-processes-with-ps-and-top-in-linux/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Finding Out About File System Use in Linux.</title>
		<link>http://pctechtips.org/finding-out-about-file-system-use-in-linux/</link>
		<comments>http://pctechtips.org/finding-out-about-file-system-use-in-linux/#comments</comments>
		<pubDate>Sun, 27 Sep 2009 01:54:17 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[df]]></category>
		<category><![CDATA[disk usage]]></category>
		<category><![CDATA[disk utilization]]></category>
		<category><![CDATA[du]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=910</guid>
		<description><![CDATA[Running out of disk space can be annoying on your desktop system and potentially a disaster on your servers. To determine how much disk space is available and how much is currently in use, you can use the &#8220;df&#8221; command. To check how much space particular files and directories are consuming, use the &#8220;du&#8221; command.
The [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/finding-out-about-file-system-use-in-linux/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Calculating Network Segments With IPcalc.</title>
		<link>http://pctechtips.org/calculating-network-segments-with-ipcalc/</link>
		<comments>http://pctechtips.org/calculating-network-segments-with-ipcalc/#comments</comments>
		<pubDate>Sat, 26 Sep 2009 16:52:53 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[calculating subnetmask]]></category>
		<category><![CDATA[ip address]]></category>
		<category><![CDATA[ipcalc]]></category>
		<category><![CDATA[network]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=906</guid>
		<description><![CDATA[Understanding subnetwork mask can be confusing if you&#8217;re not used to them. You may find &#8220;ipcalc&#8221; (from ipcalc package) useful to calculate a computer network&#8217;s mask.
First start by installing &#8220;ipcalc&#8221; from the repositories, depending on your distro:

sudo apt-get install ipcalc #for debian distros like ubuntu
yum install ipcalc #for fedora

then find the ip address for which [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/calculating-network-segments-with-ipcalc/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Checking Users Activity in Linux.</title>
		<link>http://pctechtips.org/checking-users-activity-in-linux/</link>
		<comments>http://pctechtips.org/checking-users-activity-in-linux/#comments</comments>
		<pubDate>Fri, 25 Sep 2009 11:01:56 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[Checking users activity in Linux]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=895</guid>
		<description><![CDATA[After you have created users accounts, and let those users loose on your somputer, there are different commands you can use to keep track of how they are using your computer. There are commands for checking such things as who is logged into your system and getting general information about the users with accounts on [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/checking-users-activity-in-linux/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Watching Logs in Linux With Tail and Grep Command.</title>
		<link>http://pctechtips.org/watching-logs-in-real-time-with-tail-command/</link>
		<comments>http://pctechtips.org/watching-logs-in-real-time-with-tail-command/#comments</comments>
		<pubDate>Fri, 28 Aug 2009 18:28:24 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[pentesting]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[linux security]]></category>
		<category><![CDATA[logs file]]></category>
		<category><![CDATA[watching logs in real-time]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=869</guid>
		<description><![CDATA[Some times you need to keep a close watch on a machine that has been compromise; therefore, you might want to see the logs in real time. Well, &#8221;tail&#8221; allows you to watch the logs in real time. Most systems related messages are logged to the &#8220;messages&#8221; log file, and security related messages are send to the &#8220;secure&#8221; log [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/watching-logs-in-real-time-with-tail-command/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Using VNC on Untrusted Networks with SSH.</title>
		<link>http://pctechtips.org/using-vnc-on-untrusted-networks-with-ssh/</link>
		<comments>http://pctechtips.org/using-vnc-on-untrusted-networks-with-ssh/#comments</comments>
		<pubDate>Thu, 20 Aug 2009 07:20:47 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[windows]]></category>
		<category><![CDATA[ssh tunnel]]></category>
		<category><![CDATA[vnc over ssh tunnel]]></category>
		<category><![CDATA[vnc tunnel]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=856</guid>
		<description><![CDATA[VNC over untrusted network]]></description>
		<wfw:commentRss>http://pctechtips.org/using-vnc-on-untrusted-networks-with-ssh/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Backup Files in Linux With tar Made Simple.</title>
		<link>http://pctechtips.org/backup-files-in-linux-with-tar-made-simple/</link>
		<comments>http://pctechtips.org/backup-files-in-linux-with-tar-made-simple/#comments</comments>
		<pubDate>Wed, 19 Aug 2009 08:54:01 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[backup with tar]]></category>
		<category><![CDATA[tar]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=842</guid>
		<description><![CDATA[tar is a compression utility that allows you to compress files and backup up your system.
Here are some useful tar commands to backup and restore files.
if you want to backup the content of /home and /etc:

tar cvpf /mnt/backup/tarball_bakup /home /etc

Once you have a full backup of your system you could do incremental backups using the [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/backup-files-in-linux-with-tar-made-simple/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Cracking WPA Key with Backtrack and Aricrack-ng.</title>
		<link>http://pctechtips.org/cracking-wpa-key-with-backtrack-and-aricrack-ng/</link>
		<comments>http://pctechtips.org/cracking-wpa-key-with-backtrack-and-aricrack-ng/#comments</comments>
		<pubDate>Sat, 09 May 2009 23:42:25 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[pentesting]]></category>
		<category><![CDATA[wireless]]></category>
		<category><![CDATA[aircrack-ng]]></category>
		<category><![CDATA[backtrack3]]></category>
		<category><![CDATA[cracking wireless]]></category>
		<category><![CDATA[cracking wpa]]></category>

		<guid isPermaLink="false">http://pctechtips.org/?p=778</guid>
		<description><![CDATA[I&#8217;ve been meaning to do a tutorial on cracking WPA wireless for quite a while, but I found this video that explains the methodology really simple. Let me say that cracking WPA is not like cracking WEP, in WEP you&#8217;re exploiting a vulnerability in the way the encryption algorithm is implemented, but in WPA the [...]]]></description>
		<wfw:commentRss>http://pctechtips.org/cracking-wpa-key-with-backtrack-and-aricrack-ng/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
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