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	<title>romkey.com &#187; UNIX</title>
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	<link>http://romkey.com</link>
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		<title>Use sudo Without a Password on Your Mac</title>
		<link>http://romkey.com/2008/11/08/use-sudo-without-a-password-on-your-mac/</link>
		<comments>http://romkey.com/2008/11/08/use-sudo-without-a-password-on-your-mac/#comments</comments>
		<pubDate>Sat, 08 Nov 2008 13:40:11 +0000</pubDate>
		<dc:creator>romkey</dc:creator>
				<category><![CDATA[Computers]]></category>
		<category><![CDATA[Macintosh]]></category>
		<category><![CDATA[macintosh]]></category>
		<category><![CDATA[macos x]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[UNIX]]></category>

		<guid isPermaLink="false">http://romkey.com/2008/11/08/use-sudo-without-a-password-on-your-mac/</guid>
		<description><![CDATA[Usually you'll use it to execute a single command:    sudo dmesg    or to start a shell:    sudo -s     sudo  is similar to the  su  command - the  su  command also allows you to become another user (most likely root). ...  Next, load  /etc/sudoers  in your favorite text editor, and add a line to it that looks like this:   USERNAME ALL=(ALL)  NOPASSWD: ALL   Replace  USERNAME  with your short username (so in my case, my username is  romkey  or  johnromkey  rather than  'John Romkey' ).   You can find your username with the  who  command - but if you don't already know what it is or who to find it, you probably shouldn't be disabling passwords on  sudo  in the first place.  ...  There are other ways to do this (in particular, there are ways to say that anyone in a particular UNIX group can become use  sudo  without a password), but this is the simplest way to let a single user do this.   <a href="http://romkey.com/2008/11/08/use-sudo-without-a-password-on-your-mac/">Continue reading <span class="meta-nav">&#8594;</span></a>(digital fingerprint:<br /> fcbe020f30624a362e1555f707ff15d1 (38.107.179.224) )</small>]]></description>
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		<title>Showing a Column as a UNIX Timestamp in MySQL</title>
		<link>http://romkey.com/2008/10/05/showing-a-column-as-a-unix-timestamp-in-mysql/</link>
		<comments>http://romkey.com/2008/10/05/showing-a-column-as-a-unix-timestamp-in-mysql/#comments</comments>
		<pubDate>Mon, 06 Oct 2008 02:52:40 +0000</pubDate>
		<dc:creator>romkey</dc:creator>
				<category><![CDATA[Code]]></category>
		<category><![CDATA[MySQL]]></category>
		<category><![CDATA[software]]></category>
		<category><![CDATA[UNIX]]></category>

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		<description><![CDATA[While MySQL has quite an assortment of date and time formats which it supports, I usually find it most convenient to store timestamps as an INT and just put the UNIX seconds since the epoch value in there. ...  A drawback is that sometimes when I'm working with the database by hand it's annoying to see the timestamps as big numbers - sometimes it would be very helpful to see them as dates and times.  ...  The "FROM_UNIXTIME()" function will interpret a numeric column's value as a UNIX seconds-from-the-epoch value and show it as a date and timestamp.    Using it I can easily do things like:    SELECT URL, FROM_UNIXTIME(Timestamp) FROM AccessLog;    and see it as:    +---------------------------+--------------------------+ &#124; URL                       &#124; FROM_UNIXTIME(timestamp) &#124; +---------------------------+--------------------------+ &#124; explore/users/94          &#124; 2008-10-05 22:49:39      &#124; +---------------------------+--------------------------+    rather than    +---------------------------+------------+ &#124; URL                       &#124; timestamp  &#124; +---------------------------+------------+ &#124; explore/users/94          &#124; 1223261379 &#124; +---------------------------+------------+    <a href="http://romkey.com/2008/10/05/showing-a-column-as-a-unix-timestamp-in-mysql/">Continue reading <span class="meta-nav">&#8594;</span></a>(digital fingerprint:<br /> fcbe020f30624a362e1555f707ff15d1 (38.107.179.224) )</small>]]></description>
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