How to Avoid SMF Spams

Posted on November 20th, 2008 in blog by amida168

My forum started to get a lot of spams since the beginning of this month. The spams were from some kind of spam bots. My first reaction was to find SMF mods that can deter the spams from coming. There are a few mods available for fighting spams. However, I could not get these mods to install for some reasons.

Finally, I came up with a way to stop the spams without additional mods. Here is what I did.

  1. Click on ADMIN menu and click on Registration on the left.
  2. Click on SETTINGS.
  3. Change Complexity of visual verification image: to High: Angled letters, considerable noise.

After the changes, there are no more fake users created by spam bots.

Migration from WordPress.com to BlueHost.com

Posted on April 14th, 2008 in WordPress, blog by amida168

After I posted hacks about Mio C230 in November 2007, my blog became even more popular than before. I wanted to try out Adsense and other affiliate programs to make some money from my blog. I didn’t make a decision until the first week of April 2008.

Bluehost.com $6.95 Hosting

The first step is to pick a hosting company. After comparing several hosting companies which supports WordPress blogs, I picked BlueHost because it offers a lot for a low price. At the time of the writing, it offers 1.5 TB space and 15 TB transfer. It probably more than I need, but I know that I am covered when I need the capacity. The price is $6.95 per month if you pay them for 24 months in advance. It’s $7.95 per month if you pay them for 12 months in advance. They also offer 30 days money back guarantee.

It took me a while to pick the right name for my new site, too. All the domain names regarding to Computer Bits are taken. I then thought about naming my site to combits, but only .org or .biz suffix is available and I don’t want to use .org or .biz suffix. I then thought about change combits to something more Web 2.0ish. I had a brain storming session with my daughters and her friend. We finally settle on kombitz.com.

After paying them with my hard earned donations through PayPal, I was ready to transfer my blog to BlueHost.com. I should be able to export the pages from WordPress.com and import them to my site hosted by BlueHost.com. The process should be effortless ans simple, right? Wrong. BlueHost.com offers you a good platform to build your site, but you have to do the hard wiring yourself. I must have done the installations a dozen times before I got it right. For simplicity, I’ll just tell you the steps to get it right the first time.

Installation of WordPress

BlueHost.com offers two automated tools to install WordPress. You can find them on the Software/Services tab of cPanel. I first tried Fantastico De Luxe, but later found that it only supports the old 2.3.3 version. If you want to use the latest 2.5 version, you have to use Simple Scripts.

Exporting WordPress.com Blog

Exporting the old blog is easy. Just click on Mange and Export to get your blog exported to an XML file. Before I import the XML file to my new site, I used a text editor to replace the links to my own site. I searched for the string href=”http://computerbits.wordpress.com/ and replace it with href=”http://www.kombitz.com/ . Do not replace just computerbits.wordpress.com with www.kombitz.com because computerbits.wordpress.com is also used in the site configuration. You just want to change the ones that’s used in links.

Increasing the Import Limit

By default, WordPress can only import XML file which is smaller than 2MB. If your XML file is larger than 2MB, you’ll need to get the limit increased, otherwise, you can just skip this step.

The limitation is really not a WordPress issue. The limit is imposed by PHP. To change it, you have to edite php.ini file. This is no php.ini file in the WordPress directory. You can either request it through customer support or you can get one through cPanel. Click on PHP Config through cPanel. Click on INSTALL PHP.INI MASTER FILE. This will copy the master php.ini to your public_html directory named “php.ini.default”. Move the php.ini.default from your public_html to public_html/wp-admin directory and rename it to php.ini using the File Manager on cPanel. Edit the php.ini file and change the variable upload_max_filesize.

upload_max_filesize = 3M

My XML file is just over 2MB, so I changed the limit to 3MB.

Importing to the New Blog on BlueHost.com

Click on Manage -> Import -> Wordpress to import the XML file to the new site. Make sure the checkbox for including attachments is selected so that the pictures are imported to the new site. Otherwise, the pictures will stay in the old site.

Changing the Permalinks Format

My WordPress.com blog uses date and name as permalinks, while the new site uses just the post name. For example, the url of a post on my old blog is usually like

http://computerbits.wordpress.com/2008/04/11/post-name

. On my new site, the url is like

http://kombitz.com/?p=125

. The redirect is not going to work like this. I need to set the permalinks to use the old format. To do this, I click on Settings -> Permalinks to change it.

Redirecting the Traffic

The last thing I want to see after the migration is that all the links to my old site are lost. I want people to find my posts after the transition. To make this happen, I’ll need to set up redirecting. I found an excellent article about how to do this. Here is the pdf file. You can follow the directions in this article to get WordPress.com to redirect the traffic to your site. The example in this document is for GoDaddy.com. For BlueHost.com, you can change the name servers if you click on Domain Manager on cPanel, and then click on Domain Manger on the top. You can then click on the Name Servers tab to change the name servers.


GoDaddy.com Hosting & Servers
Just in case you think $6.95 or $7.95 is too much. You can try GoDaddy.com. They have economy plan for smaller sites. If you signed up for 12 months, it’s only $4.08 per month.

Welcome to kombitz

Posted on April 5th, 2008 in blog by amida168

Hello, my move from computerbits.wordpress.com to kombitz.com is finally complete. Enjoy the new site while I get a break from the hardship of the move. :-)

The traffic to my old site is being redirect to kombitz.com automatically. However, please update your bookmarks when you get a chance. Thanks!

Special Announcement

Posted on April 4th, 2008 in blog, mio c230 by amida168

We are in the process of moving to a new hosting company. Please do not comment before the transition is complete. 4/4/2008

As you can see the transition is now complete. The new domain for our site is now

http://www.kombitz.com

If you have been visiting us through WordPress.com’s tag

http://wordpress.com/tag/mio-c230/

This is the last post through the tag. If you would like to read future posts from us, you can subscribe to our feed.

http://kombitz.com/feed/

Thanks!

4/5/2008

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Next Generation GPS - Dash Express

Posted on April 2nd, 2008 in blog, gps by amida168

dashFrom time to time, there is a break through product that can change the industry. If you are tired of the existing GPSs on the market with similar functionalities, this one is for you.

I found this GPS device called Dash Express while I was browsing Amazon.com. What’s unique about this GPS is the two-way Internet connection (subscription required). With this connection, you can get accurate traffic data. Wait, other GPS devices on the market can get traffic data too. Why this is different? This is unique because as an end user, you can contribute to traffic data and thus the traffic data is more up to date.

You can get live Internet content in your car. Using Dash, you can connect to Yahoo! Local and search up-to-date information with user ratings. You can even send your emails to your device.

One other unique feature is the AutoUpdate. With it, all the updates including maps, software and historical traffic data are downloaded to the device automatically.

The service plan starts at $9.99 per month with 2-year contract.

Official Site

Reviews

New Page for Mio C230 Accessories

Posted on April 1st, 2008 in blog by amida168

Just in case you didn’t notice the new Mio C230 page I created. Here is the link.

http://computerbits.wordpress.com/mio-c230-accessories/

My personal favorites are the friction dash pad and the battery extender.

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Thunderbird Attachment Problem

Posted on January 23rd, 2008 in blog by amida168

I am working on a strange problem today. One user complained that he cannot send any pdf document properly through Thunderbird. The user could send other attachments alright, but whenever he tried to send a PDF as attachment, the attachment would be treated as XHTML.

I tried to send the same PDF from another account, and that was fine. I then knew that the problem is not Thunderbird itself. The problem is the individual’s account settings. From my experience, it’s usually caused by MIME not set correctly. I looked through the GUI interface thoroughly. However, I couldn’t find any dialog to set the MIMI types. Looking through the profile folder, I found a file called mimeTypes.rdf. The mimeTypes.rdf file for the problematic account is bigger than the same file for an account that is working. At first, I tried to find out what are the differences between the files. But then it stuck me that I could just use the mimeTypes.rdf that’s working correctly. So, I copied the good mimeTypes.rdf over the bad mimeTypes.rdf. Thunderbird can send PDF attachments correctly afterward.

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AcqKnowledge Problem

Posted on September 17th, 2007 in blog by amida168

One user is having problems with a data acquisition program called AcqKnowledge. The program recognizes the hardware only when logged on as the user who installed the program. No other user can use it. Not even another administrator.

After digging the online resources and the files in the program directory, I found there is a utility called “MP Communication Type Utility”. Any user can run the utility to reset the hardware connection.

Matlab Installation Problems on CentOS 5

Posted on August 24th, 2007 in blog by amida168

One user requested Matlab on a CentOS 5 system. The installation was not as smooth as before. When I popped in the installation disc and ran the installation script on the disc, I got a lot of errors about permission denied. The problem was the disc was mounted by the system using noexec option, therefore I cannot exec any programs on the disc. To fix the problem, I unmounted the disc and mounted the disc manually. Here are the steps (my DVD drive is /dev/hdb).


umount /dev/hdb

mkdir /media/dvd

mount /dev/hdb /media/dvd

The second problem I ran into is libXp.so.6 is missing. Fortunately, the yum repository has it. A simple yum install fixed it.


yum -y install libXp

Support Computer Bits, Buy a PS3

Posted on July 10th, 2007 in blog by amida168

Just in case you don’t know about the recent price drop of Sony Playstation 3. It’s now only $499.00. Amazon also has a great deal. If you buy it from them, it comes with a Blu-Ray Remote Control , one Blu-Ray DVD and a rebate of FIVE additional Blu-Ray DVDs! Click here to buy it and support us.

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