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Indosat Broadband 3G is an unlimited internet program from Indosat (Matrix). We will be using their Eco package.

Sony Ericsson P990i is a smartphone and the successor of Sony Ericsson P910. The phone uses the UIQ 3 software platform, which is based upon Symbian OS 9.1 [link]

Sony Ericsson P990i technical specifications (network related only):

• GSM 900 / 1800 / 1900
• UMTS 2100
• GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps
• 3G, 384 kbps
• Wi-Fi 802.11b

TelkomFlexi is a fixed wireless CDMA provider. We will be using their FlexiNet Unlimited package.

If you haven't installed the modem, see this link before proceed with the following steps.

Venus VT-12 CDMA USB is probably the cheapest CDMA USB modem. Below the technical specifications:

• CDMA 20001x RTT
• 800 Mhz, support Flexi, FREN, StarOne & Esia.
• R-UIM Card
• Sensitifity: -104 dBm (FER <= 0,5%) dan (-25dBm FER
• USB 2.0 compatible with USB 1.0
• Uplink & downlink speed 153.6 Kbps

ionCube loader is the PHP extension that decodes encrypted PHP files at runtime. Most commercial hosting companies have ionCube loader installed already. But if this is not your case, here's how to install the loader.

mod_geoip2 is an Apache 2.x module for finding the country and city that a web request originated from. It uses the GeoIP library and database to perform the lookup.

Sometimes you need an easy way to count number of lines in a text file. For example, how many lines in a .csv file.

Just a few minutes ago, one of my cron that fetch current GeoIP.dat.gz file from MaxMind resolve to 404 Not Found.
The cron is running monthly to update its GeoIP database. Its an Apache2 mod_geoip.

Just a few minutes ago my php thumbnail creation script running out of control, causing thousands of thumbnails generated. I'm lucky enough to know this thing fast, a minutes late this script could fill in my server drive to the max.

A simple way to know what is the size of a directory using command line in human readable format.