JAUHARI

Everything Is POSSIBLE

How To Calibrating a MacBook or MacBook Pro battery

MacBook Pro coming

One of my Big Dream Gadget in 2007 (MacBook Pro) is perfect tools for my daily runtime, I really enjoy use it in my home or my office. And I want say big thanks to Apple Inc. Team, they make a great product and with Mac OS X Leopard, MacBook Pro is perfect match ;) Apple Give nice suggestion, to keep healthy our MacBook Pro batteries. MacBook Pro user need to calibrating this batteries every month or two month.

To calibrate the battery:

  1. Plug in the MagSafe power adapter and fully charge the MacBook or MacBook Pro battery until the light on the MagSafe connector changes to green and the Battery icon in the menu bar indicates that the battery is fully charged.
  2. Allow the battery to rest in the fully charged state for two hours or longer. You may use your computer during this time as long as the power adapter is plugged in.
  3. Disconnect the power adapter with the computer on and start using it with battery power. When the battery’s charge gets low, you’ll see the low battery warning dialog on the screen.
  4. Continue to keep your computer turned on until it goes to sleep. Save your work and close all applications when the battery’s charge gets low and before the computer goes to sleep.
  5. Turn off the computer or allow it to sleep for five hours or longer.
  6. Reconnect the power adapter and leave it connected until the battery is fully charged. You may use your computer during this time.

That’s easy right? So don’t forget to do it each one month or two and You Lovely Machine will be ready to fight ;)

Measure Your Crawl Cycle

Another important metric for search engine optimization is the frequency of search engine visits and crawls website content. The rate of the crawling can be quantified by crawl cycle (CC) which present the time between two crawls.

SEO MeterSEOmeter.com provides a tool for webmasters in order to monitor search engine’s crawling on their website. Their tool will record each cache update events for each website listed on them and display the history of cache update in a user friendly graph. Currently SEOmeter.com monitors Google only, since only Google who allows public access to the caching timestamp among other major search engine.

here are many benefits by using this tool. Webmasters can show to public how their website is trusted by search engine (by crawling frequency) while SEO marketers can measure their marketing campaigns (by checking the historical trend of search engine crawling rate) of their clients’ site. The detection and analysis any problems related to robot’s crawling is another benefit.

Here is a sample of Crawl Cycle for Google.com

SEO Meter Graph
The history graph visualizes how the crawl cycle (CC) of a given website changes over time. The x-axis of each dot represents the timestamp of search engine’s crawling event. The y-axis of the dot is a past one-month average of crawl cycle from that date. So for example, CC=2 on Dec. 20 means that between 11/20 and 12/20, search engine crawled the given website once every other day on average.

For webmasters who want to ramp up the search engine’s crawling rate, SEOmeter.com also shares their tips that describes what determines search engine’s crawl rate.

PicMarkr To Protect Your Images

I believe that you need to protect your online images either self hosted or by third parties like Flickr or ImageShack. Of course you can do this with your favorite image editor and add your copyrights note from there.

PickMarkr is a free online tool to add watermark to your images or photos. There 3 steps only.

First, you just need to upload them (up to 5 images) and select the output  image size. Second, insert a text for your copyrights (other message is welcome) and select it’s position. Third, after submitting for final process, you can download or upload it to your flickr account.

Other type of watermark are available. You can use your logo as image watermark. It’s also can be tiled.

Try it your self. Here is a sample for you.

PicMakr Result

Website Monitoring Service

If you want to check the availability of your website from many places in the world, you can use website monitoring service provided by Host-Tracker.Com.

This tool is useful also to check whether or not your new DNS record has been broadcasted.

Here is the screenshoot for Jauhari.Net.

Host Tracker

How To: Set Date and Time On Linux

A few days ago I need to reconfigure office proxy server (I am using Squid) to avoid certain users accessing Internet during work hour. Sound extreme huh? But it’s a company policy. I can not deny.

They are not allowed to access during 08:00-12:00 and 13:00-16.30. After configuring and apply the ACL (Access Control List)  to my PC for trial, the ACL did not work. I ever did this before. I just did a copy and paste. It should work. Search result on the Internet to find the right configuration convinced me that mine was correct.

It must be caused by another problem, I guessed. It’s true. I did “touch test” and “ls-l” showed that the file was not created in the correct clock time. The “date” command told that the time on the server was not coorect.

I need to adjust server clock setting. Here is the command.

# date -s ‘MM/DD/YYYY HH:MM:SS’ <– change with actual date and time eg: ‘12/24/2007 16:25:00′

# clock -w  <– to set the hardware clock (CMOS)  to match the kernel time

# echo “clock -s” /sbin/hwclock  <– to make sure that the time is always correct on reboot, link the kernel time to hardware clock

# chmod +x /sbin/hwclock  <– make the script executable

Voila. The time is adjusted and my ACL worked like a charm.

Now, it’s time to wait for the complain :D

Predictions on Google’s next moves

Are you a Google Fans? What are your prediction for Google’s next moves? It’s almost the end of 2007. May be Google Team are creating list for 2008 Resolutions now :D

ComputerWorld.Com predicts that Google may gives you a free Desktop Google PC by only watching some ads every now and then. Then after working with your Google PC, you can relax yourself by watching YouTube videos on Google TV and of course some Google Ads between each shows. If you back to your work and found your Google PC is freezing, you should reinstall your PC with Google Operating System.

Sounds interesting huh?

Yahoo Hosting Does Not Support Separated Subdomain Email

I have a Yahoo Small Business account and for many reasons I want to set up mail server for my sub domain (ie: mysub.mydomain.com). My main domain mail (mydomain.com) is hosted at Yahoo because I believe that Yahoo server is have less downtime and power outage (CMIIW) :D

I tried to add and MX record (for subdomain) at domain control panel but got no result. Nslookup returned that no MX record found for my subdomain. Even I waited for the next 24 hours (in order to provide much time for new NS record broadcast), still no result for the MX record.

After got stuck for more than 2 days, I contacted Yahoo Support and they said that I can not set my own MX record for the subdomain, unless I want to manage all mails to my server. This is not what I want. I just want to manage emails for subdomain.

My correspondence with the support continued and after talking with the technical team, they send me email said that this feature is not yet available :(

I have three options now: host emails at Yahoo, or manage my own mail server, or not using email for subdomain. Mmm..

Any suggestions?

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