Remove or hide client sender IP from Postfix on SMTP relay

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Sometimes we need to hide our IP address for security, if we use Cloudflare we need to create separate email server so our IP site origin will keep hidden. The following is how to to remove client... more

Check Disk Health Status When Using Hardware RAID

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I have several boxes using RAID controller from LSI brands. And of course, sometimes we need to know important information about our disks, let say disk health status. When using Software RAID then... more

From Blogger to HTMLy

- Posted in htmly by - Comments

After almost 5 years using Blogger, a few days ago I decided to move the platform to HTMLy an open source databaseless blogging platform (Flat-File Blog). Yes, I am the HTMLy project lead so it's... more

Setting Up NAT VPS on CentOS 6 using IP Tables and HAProxy

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When ordering dedicated server sometimes we only got 1 IPv4, but that's enough, we can using NAT for container with IP Tables and HAProxy to creating many OpenVZ VPS inside our dedicated server. yum... more

Google indexes the content inside an iframe

- Posted in seo by - Comments

Perhaps you already know if Google does not index the content inside an iframe, so the comments from Disqus or Facebook is not indexed. But now Google has started indexing the content inside an... more

HTMLy: Databaseless Blogging Platform (Flat CMS)

- Posted in htmly by - Comments

There are times when we just want to write without having to think about site management, for example upgrading to the latest version (core and plugin), for this purpose I developed a blogging... more

Updating Discourse on CentOS

- Posted in general by - Comments

I have one forum using Discourse, as a test for this new platform, for OS I use CentOS. Discourse official documentation to updating the site is using Ubuntu so there are a few changes need to be... more

Google Penguin 2.1 is active

- Posted in google by - Comments

Google has released an update to the Google Penguin algorithm , the Penguin version 2.1. Matt Cutts himself who announced via Twitter, the following is Matt's tweet: Penguin 2.1 launching today.... more

Now Adsense support HTTPS site

- Posted in google by - Comments

After a long-awaited, Adsense now supports HTTPS sites, the following is the official announcement from Google Adsense blog: Inside AdSense: Use AdSense on your HTTPS sites: Today, we're happy to... more

Blogger JSON Feed API

- Posted in blogger by - Comments

Maybe sometimes we need a widget for certain features, but the widgets are not available. Blogger already provides an APIs to overcome this, so we can create our own widget by reading the blog feed... more