[Solved] Thumbnail Previews Do Not Show on Windows Explorer

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Note: The article applies on Window Vista, Window 7, and Windows 8. You’ve just noticed that thumbnail previews of your photos and videos do not show on Windows Explorer anymore. With no previews, you have to open them from an application which is not convenience. Here is the sample screenshot which shows that Windows Explorer… Read more »

How to add WWW CNAME on DigitalOcean

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If you host website on DigitalOcean including a domain name and you haven’t configured it properly, there may be some issue as the example here. Your website is working properly, but you can’t access it if it begins with www (http://example.com is working fine, but not http://www.example.com). You can’t even ping to your www domain… Read more »

How to Change Hostname on CentOS 6.6

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This article shows step-by-step how to to change hostname on CentOS 6.6 from the default name localhost.localdomain to server.linglom.localdomain as example. Step-by-step to change hostname on CentOS 6.6 On CentOS 6.6, type the command below to see the current hostname. The default name is localhost.localdomain. hostname Edit /etc/sysconfig/network by type the command below. vi /etc/sysconfig/network… Read more »

[Solved] Transparent PotPlayer

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PotPlayer is one of the best multimedia player on Windows. It is free to use and can play most video and audio formats. You can download at http://potplayer.daum.net. Yesterday, I probably did something on PotPlayer and it became transparent. I can look through the video playback window including all menus and icons. Even when I’m… Read more »