Apple Mail SSL Certificate Trust Warning

Mail server changes may result in an Apple Mail SSL certificate trust warning. Some email client programs, such as Thunderbird, gmail and kmail, give the ability to permanently accept the warning and continue as normal. However, Apple Mail does not permit this certificate trust warning to be ignored, or addressed […]

Apple Mac email add Local Subfolders

I like to store email locally, divided between personal and work email. Copying emails locally allows me to set my email to delete the older emails from the server. Keeping me below the restriction on the mailbox For work emails I use sub folders to divide up my administration and […]

Warning: Remote Host Identification has Changed

Using terminal program on Apple Mac book pro I had following error when connecting to a Linux server @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also […]

Change Mac Computer Name

The Mac computer name is configured from the Sharing Settings. Hover the mouse over the apple at the top left of the screen and click on System Preferences in the drop down menu. Click on the Sharing icon, at the end of the third row. In the texbox labelled as […]

Take a Screenshot on a Mac Computer

How to take a screenshot on a Mac and capture a window or part of the screen. Looking for command shortcuts to take screenshots on a Mac computer for use in posts on this website I found these to use. Capture Complete Screen The key combination used to take a […]

Changing Where Mac Saves Screenshots

Changing the directory where a Mac saves screenshots is easy but not as expected. I was anticipating that changing the directory where a Mac saves the screenshots would be configured from within System Preferences. I found that to set the directory is actioned from a terminal window. From the App […]

Enable Mac Firewall

Purchasing a new Mac computer I was surprised to find that by default the Mac firewall is turned off. The Mac firewall settings are readily managed from the System Preferences. To enable the firewall on a Mac computer begin by opening System Preferences. To open System Preferences click on the […]

Where is the Apple Mac Delete Key

The Apple keyboard has the backspace key in the upper right hand corner of the keyboard, but where is the Delete key? Often its possible to backspace and delete the preceding characters. For example with the cursor at the start of a word it is more natural to delete from […]

How to Hide the Apple Dock Launcher

The Apple Mac dock launcher can occupy valuable screen real estate. Hiding the dock bar of icons is just a simple combination of keys. The key combination of <cmd> + <Option> + D can be used to hide and show the dock bar at the bottom of the screen.

What is the Mac f5 Refresh Key Equivalent

Familiar with the Windows or Linux f5 key to refresh a bowser – what is the Mac keyboard equivalent f5 refresh key? Whilst the Apple Mac keyboard includes the f keys at the top of the keyboard the same functions from Windows and Linux are not repeated. In a browser […]