Category Archive: Mac OS

Jul 10

Resolved: DNS Lookup Order with VPN on OSX

Resolved: DNS Lookup Order with VPN on OSX Question: Why can’t I access intranet resources over my VPN connection? After performing an update on my Mac I wasn’t able to access intranet resources over my VPN connection. Further troubleshooting revealed that via IP address I could access servers but the DNS resolution wasn’t working. Answer: …

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Nov 15

How to: Create an SSH connection using Terminal on Mac OS X & save the configuration for later use / shortcut

How to: Create an SSH connection using Terminal on Mac OS X & save the configuration for later use / shortcut So now that I bought myself a new Mac I decided I would try to avoid by all means installing Windows on it. I use a lot of applications (and some games) that either …

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Nov 15

What is a privileged port on a Mac / Darwin?

What is a privileged port on a Mac / Darwin? Recently I was trying to connect to a remote SSH server using my MacBook. At one point when trying to configure a Tunnel I got an error saying: Privileged ports can only be forwarded by root My first instinct was to make sure I had …

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Apr 18

Why does my Mac OSX say “update needed” on every boot?

Why does my Mac OSX say “update needed” on every boot? If you recently reinstalled your Mac with OS X you might notice that every time you reboot when you try to login instead of showing the username of the first user account¬†created it shows an icon with the text “Update Needed”. You can of …

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Jan 04

How to: Clear the history on your Mac’s terminal (command prompt)

Sometimes you want to clear your history due to a number of reasons, like when you type a password and now it is being remembered by your terminal session. I’ve read this information is stored in your profile as a History file, and many people go as far as suggesting you should delete it. However, …

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Dec 20

How to: Run a command with elevated *admin* credentials on a Mac

Sometimes you need to run certain commands on the terminal with elevated credentials otherwise you won’t be able to make modifications to the operating system, etc. In order to run such a command you need to use ‘sudo’ to elevate your current session. For example, you can run “sudo -s” and that will ask for …

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Dec 20

How to: Clear or Flush DNS cache on a Mac OS X computer

How to: Clear or Flush DNS cache on a Mac OS X computer Most operating systems¬†implement a local DNS cache for a number of reasons: lower the load on DNS servers, faster domain name resolution, etc. This is great for a number of reasons, but it also poses a problem from time to time. Most …

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Dec 14

How to: Take a screenshot on a Mac (either to the clipboard or to a file on the desktop)

How to: Take a screenshot on a Mac (either to the clipboard or to a file on the desktop) We all have from time to time the need to share a screenshot of something on the screen. If it is not to show someone else something on our screen it could be to capture information …

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Dec 14

How to: Print a screenshot on a Mac

Apparently after some research there is no way to directly print your screen on a Mac. What I recommend is simply taking a screenshot and saving it to the desktop and then printing that document. You can learn how to take a screenshot on this article.