Technology Insights

Create A .IPSW File Using The .DMG Files Extracted From A .ZIP Direct iPhone Firmware Download

If you are in process of downgrading your iPhone or iPod Touch you will more than likely be downloading the older firmware directly from apple.com. When you download this firmware it is provided as a zip file with a .zip file ending such as iPhone2,1_3.1_7C144_Restore.zip. If you unpack this file it will include a couple directories and numerous files as listed below.

Technology Insights

Use whois To Get More Information About A Domain Name With The Host Switch

Using whois can be a valuable tool to find out more information about a domain via the command line in Linux. A typical whois query can be performed to find out where the domain was purchased and using it again with the -h (host switch) can provide more detailed information about the domain. Using the -h switch will typically provide information such as who purchased the domain, when the domain was purchased, when the domain expires, etc. Below are a couple basic examples of how whois can be used followed by whois queries with the output.

Technology Insights

Copy and Paste Screen Captures Into Photoshop Not Working, Adobe Photoshop CS4 Clipboard Problem

Recently I was trying to paste a screenshot created using print screen into Adobe Photoshop CS4 on Windows XP but nothing would happen. I use print screen to create screenshots on a regular basis and then paste the results into Photoshop so I can describe how to resolve basic issues on a computer to people. I have never had a problem until this time so I figured it must be a configuration setting or something similar causing the issue.