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<channel>
	<title>ElfNet.org</title>
	<atom:link href="http://www.elfnet.org/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.elfnet.org</link>
	<description>Random tech news and blog</description>
	<lastBuildDate>Mon, 09 Jan 2012 22:58:36 +0000</lastBuildDate>
	<language>en</language>
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		<item>
		<title>Wget on OS X Lion (10.7)</title>
		<link>http://www.elfnet.org/2012/01/09/wget-os-lion-10-7/</link>
		<comments>http://www.elfnet.org/2012/01/09/wget-os-lion-10-7/#comments</comments>
		<pubDate>Mon, 09 Jan 2012 22:58:36 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Hackintosh]]></category>
		<category><![CDATA[Tech Support]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=396</guid>
		<description><![CDATA[Being from the wonderful world of true unix environments, I love my standard set of tools.  Also being new to OS X, I was a little disappointed to see that there was no wget installed by default.  Sure there&#8217;s curl but that&#8217;s a whole set of new flags to use and my memory is limited! Here&#8217;s a ]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.elfnet.org/wp-content/uploads/2011/12/mac-os-x-lion.png"><img class="alignright size-thumbnail wp-image-392" title="mac-os-x-lion" src="http://www.elfnet.org/wp-content/uploads/2011/12/mac-os-x-lion-150x150.png" alt="" width="150" height="150" /></a>Being from the wonderful world of true unix environments, I love my standard set of tools.  Also being new to OS X, I was a little disappointed to see that there was no wget installed by default.  Sure there&#8217;s curl but that&#8217;s a whole set of new flags to use and my memory is limited!</p>
<p>Here&#8217;s a quick guide on how to download and compile wget for your box, alternatively if you&#8217;re lazy you can just download the zip file I&#8217;ve linked below and follow those instructions.</p>
<p><strong>Compiling wget</strong></p>
<div class="code">
Open &#8220;Terminal&#8221; in finder</p>
<p>curl -O http://ftp.gnu.org/gnu/wget/wget-1.13.tar.gz</p>
<p>tar zxvf wget-1.13.tar.gz</p>
<p>cd wget-1.13</p>
<p>./configure &#8211;with-ssl=openssl</p>
<p>make</p>
<p>sudo cp src/wget /usr/bin
</p></div>
<p>&nbsp;</p>
<p><strong>Or download and install my wget binary for lazy people <img src='http://www.elfnet.org/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </strong></p>
<div class="code">
Open &#8220;Terminal&#8221; in finder</p>
<p>curl -O http://www.elfnet.org/files/osx_wget.tar.gz</p>
<p>tar zxvf osx_wget.tar.gz</p>
<p>chmod +x wget</p>
<p>sudo mv wget /usr/bin
</p></div>
<p>&nbsp;</p>
<p>Leave a comment and let me know if this was useful!</p>
<p>&nbsp;</p>
]]></content:encoded>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Hackintosh: ebios read error: device timeout</title>
		<link>http://www.elfnet.org/2011/12/21/hackintosh-ebios-read-error-device-timeout/</link>
		<comments>http://www.elfnet.org/2011/12/21/hackintosh-ebios-read-error-device-timeout/#comments</comments>
		<pubDate>Wed, 21 Dec 2011 13:14:13 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Hackintosh]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=394</guid>
		<description><![CDATA[When booting iBoot on your hackintosh, if you encounter the following problem: ebios read error: device timeout You may need to remove all external USB drives/memory sticks and reboot]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.elfnet.org/wp-content/uploads/2011/12/mac-os-x-lion.png"><img class="alignright size-thumbnail wp-image-392" title="mac-os-x-lion" src="http://www.elfnet.org/wp-content/uploads/2011/12/mac-os-x-lion-150x150.png" alt="" width="150" height="150" /></a>When booting iBoot on your hackintosh, if you encounter the following problem:</p>
<div class="code">
ebios read error: device timeout
</div>
<p>You may need to remove all external USB drives/memory sticks and reboot.</p>
]]></content:encoded>
			<wfw:commentRss>http://www.elfnet.org/2011/12/21/hackintosh-ebios-read-error-device-timeout/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Solution: lion upgrade an error occurred while preparing the installation</title>
		<link>http://www.elfnet.org/2011/12/21/solution-lion-upgrade-error-occurred-preparing-installation/</link>
		<comments>http://www.elfnet.org/2011/12/21/solution-lion-upgrade-error-occurred-preparing-installation/#comments</comments>
		<pubDate>Wed, 21 Dec 2011 00:09:48 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=390</guid>
		<description><![CDATA[Having recently having build a hackintosh, I found I received the following error when trying to upgrade to Lion: lion upgrade an error occurred while preparing the installation Here&#8217;s the solution: 1. A file will appear &#8220;Install Mac OS X Lion&#8221;. 2. Right click the file, and click on &#8220;Show Contents&#8221;. 3. Go inside the ]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.elfnet.org/wp-content/uploads/2011/12/mac-os-x-lion.png"><img class="alignright size-thumbnail wp-image-392" title="mac-os-x-lion" src="http://www.elfnet.org/wp-content/uploads/2011/12/mac-os-x-lion-150x150.png" alt="" width="150" height="150" /></a>Having recently having build a hackintosh, I found I received the following error when trying to upgrade to Lion:</p>
<div class="code">lion upgrade an error occurred while preparing the installation</div>
<p>Here&#8217;s the solution:</p>
<div class="code">1. A file will appear &#8220;Install Mac OS X Lion&#8221;.<br />
2. Right click the file, and click on &#8220;Show Contents&#8221;.<br />
3. Go inside the &#8220;Contents&#8221; folder, and then &#8220;SharedSupport&#8221;.<br />
4. Double click &#8220;InstallESD.dmg&#8221;.<br />
5. It will verify for a minute or two, and then the actual installation file &#8220;Install Mac OS X Lion&#8221; will appear in a new window. Double click that file and follow the instructions.</div>
<p>Let me know in the comments if this helped or you found another solution!</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>CodeBlocks: Undefined reference to getaddrinfo()</title>
		<link>http://www.elfnet.org/2011/12/12/codeblocks-undefined-reference-getaddrinfo/</link>
		<comments>http://www.elfnet.org/2011/12/12/codeblocks-undefined-reference-getaddrinfo/#comments</comments>
		<pubDate>Mon, 12 Dec 2011 11:05:08 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Code]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=382</guid>
		<description><![CDATA[If you&#8217;re encountering the error &#8220;Undefined reference to getaddrinfo()&#8221; he&#8217;s how to solve the problem.  It seems the winsock examples on the MSDN site are very much intended for use with Visual C and therefore you may have to do a few additional things to get everything working correctly. &#160; Firstly you&#8217;ll need to add ]]></description>
			<content:encoded><![CDATA[<p>If you&#8217;re encountering the error &#8220;Undefined reference to getaddrinfo()&#8221; he&#8217;s how to solve the problem.  It seems the winsock examples on the MSDN site are very much intended for use with Visual C and therefore you may have to do a few additional things to get everything working correctly.</p>
<p>&nbsp;</p>
<p>Firstly you&#8217;ll need to add a few Link Settings.  In codeblocks you can find the settings page shown below under <strong>Project/Build Options/Link Settings</strong>.</p>
<div id="attachment_383" class="wp-caption aligncenter" style="width: 504px"><a href="http://www.elfnet.org/wp-content/uploads/2011/12/codeblocks-linker-settings.jpg"><img class="size-full wp-image-383 " title="codeblocks linker settings" src="http://www.elfnet.org/wp-content/uploads/2011/12/codeblocks-linker-settings.jpg" alt="" width="494" height="368" /></a><p class="wp-caption-text">Codeblocks Linker Settings</p></div>
<p>&nbsp;</p>
<p>As you can see above, you need to add &#8220;libws2_32.a&#8221; to the Link Libraries and &#8220;-lwsock32&#8243; to the linker options.</p>
<p>&nbsp;</p>
<p><strong>Additionally</strong>:</p>
<p>You may need to add the following to your code:</p>
<div class="code">#define _WIN32_WINNT 0&#215;501</div>
]]></content:encoded>
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		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>SDL: Undefined reference to IMG_LOAD [Solved]</title>
		<link>http://www.elfnet.org/2011/11/30/sdl-undefined-reference-img_load-solved/</link>
		<comments>http://www.elfnet.org/2011/11/30/sdl-undefined-reference-img_load-solved/#comments</comments>
		<pubDate>Wed, 30 Nov 2011 23:18:44 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Code]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=373</guid>
		<description><![CDATA[If you&#8217;re trying to get SDL_Image to work correctly and are getting the following error: undefined reference to `IMG_Load` Here&#8217;s how to fix it: Go to your compiler link options, in code and add -lSDL_image &#038;nbsp]]></description>
			<content:encoded><![CDATA[<p>If you&#8217;re trying to get SDL_Image to work correctly and are getting the following error:</p>
<p><span style="color: #ff0000;">undefined reference to `IMG_Load`</span></p>
<p>Here&#8217;s how to fix it:</p>
<p>Go to your compiler link options, in code and add</p>
<div class="code">-lSDL_image</div>
<div id="attachment_374" class="wp-caption aligncenter" style="width: 471px"><a href="http://www.elfnet.org/wp-content/uploads/2011/11/sdl_linker_codeblocks.jpg"><img class="size-full wp-image-374 " title="sdl_linker_codeblocks" src="http://www.elfnet.org/wp-content/uploads/2011/11/sdl_linker_codeblocks.jpg" alt="" width="461" height="467" /></a><p class="wp-caption-text">Codeblocks Linker Options for SDL</p></div>
<p>&nbsp;</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Festival: can&#8217;t open /dev/dsp [Solved]</title>
		<link>http://www.elfnet.org/2011/11/22/festival-open-devdsp/</link>
		<comments>http://www.elfnet.org/2011/11/22/festival-open-devdsp/#comments</comments>
		<pubDate>Tue, 22 Nov 2011 01:16:24 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Tech Support]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=367</guid>
		<description><![CDATA[After spending way too much time attempting to get the &#8220;Festival&#8221; speech synthesizer working on Linux without getting the dreaded &#8220;can&#8217;t open /dev/dsp&#8221; error message, I&#8217;ve finally found the solution. Just on a side note, the Arch Linux help page for Festival, suggests a fix that uses the &#8220;aplay&#8221; application, this is something which no longer ]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.elfnet.org/wp-content/uploads/2011/11/speech.png"><img class="alignleft size-thumbnail wp-image-368" title="speech" src="http://www.elfnet.org/wp-content/uploads/2011/11/speech-150x150.png" alt="" width="150" height="150" /></a>After spending way too much time attempting to get the &#8220;Festival&#8221; speech synthesizer working on Linux without getting the dreaded &#8220;can&#8217;t open /dev/dsp&#8221; error message, I&#8217;ve finally found the solution.</p>
<p>Just on a side note, the <a title="Arch Linux" href="https://wiki.archlinux.org/index.php/Festival">Arch Linux</a> help page for Festival, suggests a fix that uses the &#8220;aplay&#8221; application, this is something which no longer seems to exist in the package mirrors.</p>
<p>&nbsp;</p>
<p>Here&#8217;s the solution for getting Festival to work:</p>
<div class="code">echo &#8220;It finally worked&#8221; | padsp festival &#8211;tts</div>
<p>&nbsp;</p>
<p>The trick here being launching Festival with &#8220;padsp&#8221; before it.</p>
<p>Feel free to leave a comment if this worked for you or you encountered a problem.</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Arch Linux: Microsoft Fonts (msfonts)</title>
		<link>http://www.elfnet.org/2011/11/19/arch-linux-microsoft-fonts-msfonts/</link>
		<comments>http://www.elfnet.org/2011/11/19/arch-linux-microsoft-fonts-msfonts/#comments</comments>
		<pubDate>Sat, 19 Nov 2011 18:36:26 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Tech Support]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=360</guid>
		<description><![CDATA[One of the first things I do when setting up a new Linux box is get my fonts sorted out, for obvious copyright reasons, the Microsoft fonts package isn&#8217;t shipped with Linux distributions.  The main reason for having Microsoft fonts on a Linux machine will be so that web pages that are designed for them ]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.elfnet.org/wp-content/uploads/2011/11/arch-linux-logo.png"><img class="alignleft size-thumbnail wp-image-351" title="Arch Linux Logo" src="http://www.elfnet.org/wp-content/uploads/2011/11/arch-linux-logo-150x150.png" alt="" width="150" height="150" /></a>One of the first things I do when setting up a new Linux box is get my fonts sorted out, for obvious copyright reasons, the Microsoft fonts package isn&#8217;t shipped with Linux distributions.  The main reason for having Microsoft fonts on a Linux machine will be so that web pages that are designed for them will display correctly.</p>
<p>Although this will be similar for any Linux/BSD distribution, the instructions below focus on installing these fonts under Arch Linux.</p>
<p>First of all we&#8217;ll need to open up a terminal and get super user access</p>
<div class="code">su</div>
<p>We then need to go to a temporary directory and download the msfonts.zip package:</p>
<div class="code">cd /tmp<br />
wget http://www.elfnet.org/wp-content/uploads/2011/11/msfonts.zip</div>
<p>Then we&#8217;ll need to decompress the zipped files and copy them to the universal fonts directory:</p>
<div class="code">unzip msfonts.zip<br />
cp fonts/ /usr/share/fonts/TTF/</div>
<p>Once that&#8217;s done you can finish up by refreshing your systems font cache:</p>
<div class="code">fc-cache -vf<br />
mkfontscale<br />
mkfontdir</div>
<p>You should then find after you logout and back in again that you have new fonts available to use.</p>
<p>&nbsp;</p>
<p><strong>Manual Download</strong>: <a href="http://www.elfnet.org/wp-content/uploads/2011/11/msfonts.zip">msfonts.zip</a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>iPhone iOS5 unable to enter DFU mode [Solved]</title>
		<link>http://www.elfnet.org/2011/11/04/iphone-ios5-unable-enter-dfu-mode/</link>
		<comments>http://www.elfnet.org/2011/11/04/iphone-ios5-unable-enter-dfu-mode/#comments</comments>
		<pubDate>Fri, 04 Nov 2011 18:49:06 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[iPhone]]></category>
		<category><![CDATA[Tech Support]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=353</guid>
		<description><![CDATA[Having recently installed iOS5 on my iPhone 4, I was in a position where I had to reboot my iPhone whilst out and about.  Sadly at the time of writing this there&#8217;s only a tethered jailbreak for iOS5 for the iPhone 4. What this means is that I have to have the iPhone connected to ]]></description>
			<content:encoded><![CDATA[<div id="attachment_170" class="wp-caption alignright" style="width: 160px"><a href="http://www.elfnet.org/wp-content/uploads/2010/11/20101105-033019.jpg"><img class="size-thumbnail wp-image-170" title="iPhone 4" src="http://www.elfnet.org/wp-content/uploads/2010/11/20101105-033019-150x150.jpg" alt="iPhone 4" width="150" height="150" /></a><p class="wp-caption-text">Shiny iPhone 4 still with protective wrap!</p></div>
<p>Having recently installed iOS5 on my iPhone 4, I was in a position where I had to reboot my iPhone whilst out and about.  Sadly at the time of writing this there&#8217;s only a tethered jailbreak for iOS5 for the iPhone 4.</p>
<p>What this means is that I have to have the iPhone connected to a computer everytime I boot, therefore I always try and avoid rebooting!  Luckily whilst I was out I had my netbook with me, so I downloaded the latest version of redsn0w and tried to enter DFU mode.</p>
<p>I must have tried 10 times to enter DFU mode, all resulted in the iPhone just displaying a black screen and the computer not detecting it.  I&#8217;m not new to this sort of thing so was a little puzzled.</p>
<p>When I returned home using the same hardware, I installed iTunes and this problem was suddenly fixed &#8212; I didn&#8217;t even need for itunes to be launched, just for it to be installed before the computer would recognise the iphone.</p>
<p>If your iPhone won&#8217;t enter DFU mode and you&#8217;re sure you&#8217;re pressing the keys in the correct combination, starting with the phone being off, make sure iTunes is installed!</p>
<p>Let me know if this helps you.</p>
]]></content:encoded>
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		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Arch Linux: xfce4 black or flickering screen [Solved]</title>
		<link>http://www.elfnet.org/2011/11/01/arch-linux-xfce4-black-flickering-screen/</link>
		<comments>http://www.elfnet.org/2011/11/01/arch-linux-xfce4-black-flickering-screen/#comments</comments>
		<pubDate>Tue, 01 Nov 2011 10:04:22 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Tech Support]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=350</guid>
		<description><![CDATA[Having setup a new installation of Arch Linux, I worked my way through getting X setup and then decided to go with xfce4 as my window manager. After launching xfce with the &#8220;startxfce4&#8243; command, all I could see was a flickering mouse background with a broken panel in the top left corner. After much Googling ]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.elfnet.org/wp-content/uploads/2011/11/arch-linux-logo.png"><img class="alignright size-thumbnail wp-image-351" title="Arch Linux Logo" src="http://www.elfnet.org/wp-content/uploads/2011/11/arch-linux-logo-150x150.png" alt="" width="150" height="150" /></a>Having setup a new installation of Arch Linux, I worked my way through getting X setup and then decided to go with xfce4 as my window manager.</p>
<p>After launching xfce with the &#8220;startxfce4&#8243; command, all I could see was a flickering mouse background with a broken panel in the top left corner.</p>
<p>After much Googling I found the solution that worked for me, so here goes.</p>
<p>First you&#8217;ll want to update the system, even if it is a new install!</p>
<div class="code">pacman -Syu</div>
<p>If this fails or gives an error, it&#8217;s likely that you&#8217;ll need to remove your local files first:</p>
<div class="code">rm /var/lib/pacman/local/*<br />
pacman -Syu
</div>
<p>This worked fine for me, after doing this xfce4 was instantly fixed. Good luck!</p>
]]></content:encoded>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>SSH: Login without password</title>
		<link>http://www.elfnet.org/2011/11/01/ssh-login-password/</link>
		<comments>http://www.elfnet.org/2011/11/01/ssh-login-password/#comments</comments>
		<pubDate>Tue, 01 Nov 2011 09:46:16 +0000</pubDate>
		<dc:creator>nick</dc:creator>
				<category><![CDATA[Tech Support]]></category>

		<guid isPermaLink="false">http://www.elfnet.org/?p=339</guid>
		<description><![CDATA[Here&#8217;s a quick snippet to show you how to you login to your boxes through ssh without using a password.  Of course there&#8217;s reasons why you would and wouldn&#8217;t want to do this although that&#8217;s something for another article. First log in on A as user a and generate a pair of authentication keys. Do ]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.elfnet.org/wp-content/uploads/2011/11/key-padlock.jpg"><img class="alignleft size-thumbnail wp-image-344" title="padlock" src="http://www.elfnet.org/wp-content/uploads/2011/11/key-padlock-150x150.jpg" alt="" width="150" height="150" /></a>Here&#8217;s a quick snippet to show you how to you login to your boxes through ssh without using a password.  Of course there&#8217;s reasons why you would and wouldn&#8217;t want to do this although that&#8217;s something for another article.</p>
<div style="clear: left;"></div>
<p>First log in on A as user a and generate a pair of authentication keys. Do not enter a passphrase:</p>
<div class="code">
<pre>a@A:~&gt; ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/a/.ssh/id_rsa):
Created directory '/home/a/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/a/.ssh/id_rsa.
Your public key has been saved in /home/a/.ssh/id_rsa.pub.
The key fingerprint is:
3e:4f:05:79:3a:9f:96:7c:3b:ad:e9:58:37:bc:37:e4 a@A</pre>
</div>
<p>Now use <tt>ssh</tt> to create a directory <tt>~/.ssh</tt> as user b on B. (The directory may already exist, which is fine):</p>
<div class="code">
<pre>a@A:~&gt; ssh b@B mkdir -p .ssh
b@B's password:</pre>
</div>
<p>Finally append a&#8217;s new public key to <tt>b@B:.ssh/authorized_keys</tt> and enter b&#8217;s password one last time:</p>
<div class="code">
<pre>a@A:~&gt; cat .ssh/id_rsa.pub | ssh b@B 'cat &gt;&gt; .ssh/authorized_keys'
b@B's password:</pre>
</div>
<p>From now on you can log into B as b from A as a without password:</p>
<div class="code">
<pre>a@A:~&gt; ssh b@B hostname
B</pre>
</div>
<p>Source: <a href="http://linuxproblem.org/art_9.html">http://linuxproblem.org/art_9.html</a></p>
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