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	<title>Sys Admin Guides, How To&#039;s, etc  by Marios Maravelias &#187; a</title>
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	<description>where prophets and madmen...walk hand in hand</description>
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		<title>How do I setup all subdomains *.domain.tld to point to a domain domain.tld? &#124; wildcard dns in plesk</title>
		<link>http://www.sys-admin.gr/63/plesk/how-do-i-setup-all-subdomains-domaintld-to-point-to-a-domain-domaintld-wildcard-dns-in-plesk/</link>
		<comments>http://www.sys-admin.gr/63/plesk/how-do-i-setup-all-subdomains-domaintld-to-point-to-a-domain-domaintld-wildcard-dns-in-plesk/#comments</comments>
		<pubDate>Tue, 08 Jul 2008 10:45:30 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Apache]]></category>
		<category><![CDATA[Plesk]]></category>
		<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[*.domain.tld]]></category>
		<category><![CDATA[a]]></category>
		<category><![CDATA[all]]></category>
		<category><![CDATA[dns]]></category>
		<category><![CDATA[do]]></category>
		<category><![CDATA[domain]]></category>
		<category><![CDATA[How]]></category>
		<category><![CDATA[I]]></category>
		<category><![CDATA[in]]></category>
		<category><![CDATA[point]]></category>
		<category><![CDATA[setup]]></category>
		<category><![CDATA[subdomains]]></category>
		<category><![CDATA[to]]></category>
		<category><![CDATA[wildcard]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/?p=63</guid>
		<description><![CDATA[For that purpose you should add an entry into domain&#8217;s zone DNS  like: *.domain.com. CNAME domain.com. and configure Apache with the following line in the domain&#8217;s vhost.conf: ServerAlias *.domain.com After the changes have been made do not forget to restart apache (with &#8220;$PRODUCT_ROOT_D/admin/bin/websrvmng -a -v&#8221;) and BIND services to apply changes.]]></description>
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		<title>Linux Plesk  how to add www to a subdomain</title>
		<link>http://www.sys-admin.gr/62/plesk/linux-plesk-how-to-add-www-to-a-subdomain/</link>
		<comments>http://www.sys-admin.gr/62/plesk/linux-plesk-how-to-add-www-to-a-subdomain/#comments</comments>
		<pubDate>Tue, 08 Jul 2008 10:39:29 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Apache]]></category>
		<category><![CDATA[Plesk]]></category>
		<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[a]]></category>
		<category><![CDATA[add]]></category>
		<category><![CDATA[How]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[subdomain]]></category>
		<category><![CDATA[to]]></category>
		<category><![CDATA[www]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/?p=62</guid>
		<description><![CDATA[To create www prefix for subdomains you need to take the following steps: 1) Create vhost.conf file in the /home/httpd/vhosts/domain.com/subdomains/subdomain/conf directory with the following content: ServerAlias www.subdomain.domain.com 2) Add appropriate A record to the DNS zone of the domain in Server-&#62;Domains-&#62;domain.com-&#62;DNS (specify this domain&#8217;s IP address instead of 192.168.1.1): www.subdomain.domain.com.          A     192.168.1.1 3) Run wersrvmng [...]]]></description>
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		</item>
		<item>
		<title>Spam &#8211; A Simple Guide To Keeping Your Inbox Clean</title>
		<link>http://www.sys-admin.gr/38/uncategorized/spam-a-simple-guide-to-keeping-your-inbox-clean/</link>
		<comments>http://www.sys-admin.gr/38/uncategorized/spam-a-simple-guide-to-keeping-your-inbox-clean/#comments</comments>
		<pubDate>Tue, 17 Jul 2007 13:01:23 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[a]]></category>
		<category><![CDATA[clean]]></category>
		<category><![CDATA[Guide]]></category>
		<category><![CDATA[inbox]]></category>
		<category><![CDATA[keeping]]></category>
		<category><![CDATA[simple]]></category>
		<category><![CDATA[spam]]></category>
		<category><![CDATA[to]]></category>
		<category><![CDATA[your]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/uncategorized/38</guid>
		<description><![CDATA[In my opinion, the best way to keep clean of spam is simple: The first rule is NEVER reply to spam, NEVER click the unsubscribe link and NEVER e-mail to the unsubscribe address. These are simply underhand tactics to get â€˜activeâ€™ e-mail addresses. Some other tips to avoid getting spammed in the first place: 1) [...]]]></description>
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		</item>
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		<title>Checking if a server is under ddos attack</title>
		<link>http://www.sys-admin.gr/32/security/checking-if-a-server-is-under-ddos/</link>
		<comments>http://www.sys-admin.gr/32/security/checking-if-a-server-is-under-ddos/#comments</comments>
		<pubDate>Mon, 04 Jun 2007 13:39:02 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Network]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[a]]></category>
		<category><![CDATA[attack]]></category>
		<category><![CDATA[Checking]]></category>
		<category><![CDATA[ddos]]></category>
		<category><![CDATA[Hacking]]></category>
		<category><![CDATA[if]]></category>
		<category><![CDATA[is]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[server]]></category>
		<category><![CDATA[under]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/security/32</guid>
		<description><![CDATA[A quick and usefull command for checking if a server is under ddos is: netstat -anp &#124;grep &#8216;tcp\&#124;udp&#8217; &#124; awk &#8216;{print $5}&#8217; &#124; cut -d: -f1 &#124; sort &#124; uniq -c &#124; sort -n That will list the IPs taking the most amount of connections to a server. It is important to remember that the [...]]]></description>
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		</item>
		<item>
		<title>What is a null route?</title>
		<link>http://www.sys-admin.gr/19/security/what-is-a-null-route/</link>
		<comments>http://www.sys-admin.gr/19/security/what-is-a-null-route/#comments</comments>
		<pubDate>Wed, 30 May 2007 12:50:27 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Network]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[a]]></category>
		<category><![CDATA[anti]]></category>
		<category><![CDATA[hack]]></category>
		<category><![CDATA[is]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[null]]></category>
		<category><![CDATA[protection]]></category>
		<category><![CDATA[route]]></category>
		<category><![CDATA[unix]]></category>
		<category><![CDATA[What]]></category>

		<guid isPermaLink="false">http://www.sys-admin.gr/archives/security/19</guid>
		<description><![CDATA[What is a null route? A null route is a route that goes to nowhere. The reason for creating a null route is to prevent your system from sending any data to a remote system. Creating a null route Null routes are usually created using the `route` command. This works under both Windows and Unix, [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Creating a Welcome message for SSH logins</title>
		<link>http://www.sys-admin.gr/12/unixlinux-various/creating-a-welcome-message-for-ssh-logins/</link>
		<comments>http://www.sys-admin.gr/12/unixlinux-various/creating-a-welcome-message-for-ssh-logins/#comments</comments>
		<pubDate>Tue, 29 May 2007 12:02:48 +0000</pubDate>
		<dc:creator>MaRiOs</dc:creator>
				<category><![CDATA[Unix/Linux Various]]></category>
		<category><![CDATA[a]]></category>
		<category><![CDATA[Creating]]></category>
		<category><![CDATA[for]]></category>
		<category><![CDATA[Logins]]></category>
		<category><![CDATA[message]]></category>
		<category><![CDATA[ssh]]></category>
		<category><![CDATA[Welcome]]></category>

		<guid isPermaLink="false">http://sys-admin.gr/archives/unixlinux-various/12</guid>
		<description><![CDATA[Did you ever want to change or create a new login message antime someone logs into SSH? We&#8217;ll show you how it&#8217;s done. First off login to our server as root. Then type in the following: pico /etc/motd Now type in the security login message you wish all users to see once they login to [...]]]></description>
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