Change the SSHd port on Mac OS X

If you enable SSH on your mac, you’ll notice that you can’t easily change the listening port. This means that if you leave your computer connected for any time to the Internet you’ll see all sorts of brute force login attempts in /var/log/system.log. To change the default port (22) of SSH on a Mac it’s … Continue Reading

Clear DNS Cache on a Mac (OS X)

If you’re ever messing with DNS records, you may run into times when you have stale entries in your DNS Cache. Here’s you how clear your cache in Mac OS X: dscacheutil -flushcache

Sign PDFs with a Mac

Did you know you can sign PDFs and documents digitally with a Mac?  If you own a Mac running OS X Lion, you don’t need to print out another PDF just to sign your name again! First you’ll need to create your signature: Open the Preview App From the Menubar, select Preview -> Preferences Click … Continue Reading

How I keep my Mac safe and clean

With the recent news about the Flashback trojan on the Mac platform, I thought I’d give you a look into how I keep the Macs in my family safe. Step 1 The first step to keeping your Mac safe is NOT INSTALLING FLASH!!  Adobe Flash is a security nightmare.  The open ports and multiple callbacks … Continue Reading

Quickly Lock Your Screen: Mac OS X

If you’re a longtime windows user, you’ve probably gotten used to the key combination “Windows + L”.   This command will lock the computer so you can leave it in peace and not worry about anyone getting on it. There’s really not a way to do that in a Mac, so here are two fast … Continue Reading

Show WiFi Password in OS X

If you forgot your WiFi password and need show it, there’s a super simple way to do this on a Mac.  I’m pretty sure you can’t do this in Windows. Here’s how: Go to your applications folder Click on the Utilities folder Click on the “Keychain Access” App On the left-hand side, highlight the “System” … Continue Reading

Geektool Desktop

Daily Bible Verse On Your Desktop

Geektool just came out on the App Store. It’s a great app to customize your desktop. Right now I have iTunes song information, weather, calendars, and system information on my desktop. You can put pictures or the output of any terminal command on your desktop. After setting it up, I figured out a way to … Continue Reading