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	<title>Loommy &#187; Application</title>
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	<link>http://loommy.com</link>
	<description>It&#039;s about Human, It&#039;s about Us!</description>
	<lastBuildDate>Mon, 16 Apr 2012 14:06:03 +0000</lastBuildDate>
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		<item>
		<title>Identifikasi Sederhana terhadap &#8216;Machine Resources&#8217;</title>
		<link>http://loommy.com/2012/04/identifikasi-sederhana-terhadap-machine-resources/</link>
		<comments>http://loommy.com/2012/04/identifikasi-sederhana-terhadap-machine-resources/#comments</comments>
		<pubDate>Sun, 08 Apr 2012 08:36:12 +0000</pubDate>
		<dc:creator>loommy</dc:creator>
				<category><![CDATA[Application]]></category>
		<category><![CDATA[High Performance Sites]]></category>
		<category><![CDATA[Just Written It!]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[OS]]></category>

		<guid isPermaLink="false">http://loommy.com/?p=468</guid>
		<description><![CDATA[Dalam sebuah rapat mingguan di perusahaan penyedia layanan hosting, bos mengajukan tema mengenai bagaimana komposisi server yang baru, untuk layanan VPS-nya. Isu yg disampaikan mengenai dua hal : memory &#38; prosesor. Bos tampaknya kebingungan, apa yg seharusnya diupgrade dari komposisi server sebelumnya. Salah seorang staff senior menjawab, tampaknya semua baik-baik saja dan cukup. Tambahan prosesor<a class="rmore" href="http://loommy.com/2012/04/identifikasi-sederhana-terhadap-machine-resources/">&#160;&#160; Read More ...</a>]]></description>
			<content:encoded><![CDATA[<p>Dalam sebuah rapat mingguan di perusahaan penyedia layanan hosting, bos mengajukan tema mengenai bagaimana komposisi server yang baru, untuk layanan VPS-nya. Isu yg disampaikan mengenai dua hal : memory &amp; prosesor. Bos tampaknya kebingungan, apa yg seharusnya diupgrade dari komposisi server sebelumnya. Salah seorang staff senior menjawab, tampaknya semua baik-baik saja dan cukup. Tambahan prosesor juga oke.</p>
<p>Seorang staff super junior tampak kebingungan dengan pembicaraan ini, untuk mengetahui apa yang perlu diupgrade, solusinya gampang : pasang alat ukur di perangkat sebelumnya! Tanpa memasang alat ukur, kita hanya bisa bicara &#8216;tampaknya&#8217; dan &#8216;rasanya&#8217; hehe.</p>
<p>&#8212;</p>
<p>Sebenarnya banyak aplikasi yang bisa digunakan untuk resource monitoring terhadap &#8216;resource usage&#8217; suatu system. Dalam hal ini saya menggunakan Ganglia, resource monitoring tool yang sering dipake pada cluster computer. Monitoring selama beberapa minggu, menghasilkan grafik berikut ini :</p>
<div id="attachment_469" class="wp-caption aligncenter" style="width: 420px"><a href="http://loommy.com/wp-content/uploads/2012/04/CPU-Usage-Cygnus-28022012.png"><img class=" wp-image-469" title="CPU Usage - Sample - Ganglia" src="http://loommy.com/wp-content/uploads/2012/04/CPU-Usage-Cygnus-28022012-300x227.png" alt="CPU Usage - Sample - Ganglia" width="410" height="310" /></a><p class="wp-caption-text">CPU Usage - Ganglia</p></div>
<p>&nbsp;</p>
<p>Pada grafik terlihat, CPU waiting-nya cukup tinggi, bahkan mencapai 50%. Server ini &#8216;dihuni&#8217; kurang lebih 25 container/VPS. Pada grafik lain (tidak saya tampilkan), beban CPU di bawah 50% dan sedikit sekali swap. Secara sederhana, server dengan 8 core CPU ini banyak &#8216;nganggur&#8217;-nya. Indikasi terhadap CPU dan memory yg masih under usage menunjukkan terjadi bottleneck komunikasi pada perangkat lain, salah satunya harddisk drive. Solusi yg mungkin bisa diterapkan yaitu mengganti HDD dengan buffer/RPM tinggi, memisahkan drive untuk system dengan data, ganti ke SSD??</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Plesk Cheat Code</title>
		<link>http://loommy.com/2011/12/reveal-plesk-linux-password/</link>
		<comments>http://loommy.com/2011/12/reveal-plesk-linux-password/#comments</comments>
		<pubDate>Sun, 18 Dec 2011 10:06:17 +0000</pubDate>
		<dc:creator>loommy</dc:creator>
				<category><![CDATA[Internet]]></category>
		<category><![CDATA[Parallel Plesk]]></category>

		<guid isPermaLink="false">http://loommy.com/?p=403</guid>
		<description><![CDATA[Daftar Plesk Cheat Code : /usr/local/psa/admin/bin/mail_auth_view &#124; grep "emailuser@domain.tld"]]></description>
			<content:encoded><![CDATA[<p>Daftar Plesk Cheat Code :</p>
<pre><code>/usr/local/psa/admin/bin/mail_auth_view | grep "emailuser@domain.tld"</code></pre>
<pre></pre>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Bash : Determine Last Month Script</title>
		<link>http://loommy.com/2011/03/bash-determine-last-month-script/</link>
		<comments>http://loommy.com/2011/03/bash-determine-last-month-script/#comments</comments>
		<pubDate>Thu, 31 Mar 2011 10:49:10 +0000</pubDate>
		<dc:creator>loommy</dc:creator>
				<category><![CDATA[Application]]></category>
		<category><![CDATA[Have Fun]]></category>
		<category><![CDATA[Internet]]></category>
		<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://loommy.com/?p=327</guid>
		<description><![CDATA[I have to setup cron job every last month, so I should create simple script to determine if today is the last day in the month. I modified a lil bit from here : #!/bin/bash MYTZ=`date &#124; awk '{print $5}'` TOM=$(TZ=$MYTZ-24 date +%d) #echo $TOM if [ $TOM == 01 ] then echo "Last Day<a class="rmore" href="http://loommy.com/2011/03/bash-determine-last-month-script/">&#160;&#160; Read More ...</a>]]></description>
			<content:encoded><![CDATA[<p>I have to setup cron job every last month, so I should create simple script to determine if today is the last day in the month. I modified a lil bit from <a href="http://forum.codecall.net/shell-scripts/17903-bash-determine-if-last-day-month.html">here</a> :</p>
<pre lang="BASH" line="1" file="lastmonth.sh" colla="+">
#!/bin/bash

MYTZ=`date | awk '{print $5}'`
TOM=$(TZ=$MYTZ-24 date +%d)

#echo $TOM
if [ $TOM == 01 ]
 then
        echo "Last Day of the month!"
        # Enter your monthly code here
 else
        echo "Today is not the last day!"
fi
</pre>
<p>&nbsp;</p>
]]></content:encoded>
			<wfw:commentRss>http://loommy.com/2011/03/bash-determine-last-month-script/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Top Mini MP3 Player with Great Sounds</title>
		<link>http://loommy.com/2011/03/top-mini-mp3-player-with-great-sounds/</link>
		<comments>http://loommy.com/2011/03/top-mini-mp3-player-with-great-sounds/#comments</comments>
		<pubDate>Wed, 23 Mar 2011 03:42:27 +0000</pubDate>
		<dc:creator>loommy</dc:creator>
				<category><![CDATA[Application]]></category>
		<category><![CDATA[Internet]]></category>
		<category><![CDATA[Stuffs]]></category>
		<category><![CDATA[Urban]]></category>

		<guid isPermaLink="false">http://loommy.com/?p=319</guid>
		<description><![CDATA[I already using Billy for almost 7 years. Billy has great sounds output especially if you&#8217;re going to connect your output audio jack to Big Speakers. Billy doesn&#8217;t need to be installed, and also it consume only 2MB memory. You can download it from here.]]></description>
			<content:encoded><![CDATA[<p><img class="alignleft" title="Billy - Sheep Friends" src="http://www.sheepfriends.com/images/sheepfriends.gif" alt="" width="176" height="49" />I already using Billy for almost 7 years. Billy has great sounds output especially if you&#8217;re going to connect your output audio jack to Big Speakers. Billy doesn&#8217;t need to be installed, and also it consume only 2MB memory. You can download it from <a title="Billy's Home" href="http://sheepfriends.com/" target="_blank">here</a>.</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Exclude File or Folder from Archiving</title>
		<link>http://loommy.com/2010/04/exclude-file-or-folder-from-archiving/</link>
		<comments>http://loommy.com/2010/04/exclude-file-or-folder-from-archiving/#comments</comments>
		<pubDate>Wed, 07 Apr 2010 09:12:46 +0000</pubDate>
		<dc:creator>loommy</dc:creator>
				<category><![CDATA[Application]]></category>
		<category><![CDATA[Internet]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[OS]]></category>
		<category><![CDATA[Tar]]></category>

		<guid isPermaLink="false">http://loommy.com/?p=240</guid>
		<description><![CDATA[I&#8217;m just wanna create a note, because sometime this simple thing is forgotten. To exclude a file or folder from archiving process, we can use &#8211;exclude option behind tar command. Example : tar -czvf file-result.tar.gz /path/to/file/or/folder/for/archiving &#8211;exclude &#8220;/path/to/exclude&#8221;]]></description>
			<content:encoded><![CDATA[<p>I&#8217;m just wanna create a note, because sometime this simple thing is forgotten. To exclude a file or folder from archiving process, we can use <em>&#8211;exclude</em> option behind <em>tar</em> command.</p>
<p>Example :<br />
tar -czvf file-result.tar.gz /path/to/file/or/folder/for/archiving &#8211;exclude &#8220;/path/to/exclude&#8221;</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>MySQLdump Without Locking Tables</title>
		<link>http://loommy.com/2010/04/mysqldump-without-locking-tables/</link>
		<comments>http://loommy.com/2010/04/mysqldump-without-locking-tables/#comments</comments>
		<pubDate>Tue, 06 Apr 2010 09:35:11 +0000</pubDate>
		<dc:creator>loommy</dc:creator>
				<category><![CDATA[Application]]></category>
		<category><![CDATA[Internet]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[MySQL]]></category>
		<category><![CDATA[OS]]></category>
		<category><![CDATA[Stuffs]]></category>

		<guid isPermaLink="false">http://loommy.com/?p=238</guid>
		<description><![CDATA[For urgent reason like preventing website down when dumping MySQL, we need to skip lock-tables. You can use -–skip-lock-tables and –skip-add-locks option with mysqldump command. Example : mysqldump -u 412843_reebonzsg -p &#8211;skip-add-locks &#8211;skip-lock-tables db_name \ > dbfile_dump.sql]]></description>
			<content:encoded><![CDATA[<p>For urgent reason like preventing website down when dumping MySQL, we need to skip lock-tables. You can use <em>-–skip-lock-tables</em> and <em>–skip-add-locks option</em> with mysqldump command.</p>
<p>Example :<br />
mysqldump -u 412843_reebonzsg -p &#8211;skip-add-locks &#8211;skip-lock-tables db_name \<br />
> dbfile_dump.sql</p>
]]></content:encoded>
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