Category Archives: Computer Tip

How to install VirtualBox Guest Additions in Ubuntu 12.04

This is a step-by-step tutorial on how to install the Guest Additions on a VirtualBox Virtual Machine installed with Ubuntu 12.04 so that you can access a shared directory on the host computer. I initially tried to install the Guest Additions by selecting the “Install Guest Additions…” menu option under the Devices menu. Unfortunately, this didn’t work, and I’m not entirely sure why. So here are the steps that I took to get the Guest Additions successfully installed on my virtual machine.

Continue reading

Understanding UMASK with Linux and Samba

Have you ever been confused with the Linux environment UMASK? How about trying to setup permissions with a Samba file server? Displaying and setting the umask for both the Linux environment and a Samba server is very easy. In this article, I’ll explain what a UMASK is and how to display and change the current value. Afterwards, I’ll explain UMASK in the context of using a Samba File server.

Continue reading

WordPress Tip: Change default thumbnail size for Featured Image

Here’s a quick little tip that took me a long time to figure out.

Within WordPress, multiple sizes of images can be created when a photo is uploaded, such as thumbnail, medium and large. This is controlled in the Settings/Media. However, none of these settings control the size of the thumbnail for a Featured Image. This is actually defined in the functions.php file of your theme.

OSX Tip: Create an Alias to a directory on a Screen Shared network computer

To create an alias to a specific folder on the server:

  1. Create an Alias of any local directory by highlighting the directory and typing CMD-L
  2. Move this to any convenient location such as the Desktop
  3. Get Info of this new Alias by typing CMD-I
  4. Click “Select New Original”
  5. Navigate to the folder on the shared computer and select it
  6. Click OPEN
  7. Close the Info window and you’re done.

This Alias can then be dragged to the Finder Toolbar for a quick-launch to the folder.

ScreenShareDirectory