Fear The Light Mac OS
You can turn off the blue light on your Mac computer by using the Night Shift feature. Night Shift is built into most modern Mac computers by default, and is designed to limit the amount of blue.
The Status Indicator Light (SIL) on Mac mini and Mac Pro has different patterns based on the state of your Mac. These patterns also occur on some MacBook, MacBook Pro, MacBook Air, and iMac models, though not all Macs have a SIL. If you have a Mac Pro, learn about the status indicator light behavior on Mac Pro (2019).
How to Enable the Light Appearance Theme on Mac Go to the Apple menu, and then choose “System Preferences” Choose the “General” preference panel At the top of the ‘General’ settings, look for the “Appearance” section. Start Splunk Light. Splunk/bin/splunk start -accept-license. Create a password for your admin account, you must create a new password in order to login to the Splunk Light interface. Once you create a password, the Splunk Light interface launches.
After you press the power button
Every time you turn on your Mac, it performs various hardware checks. If the SIL flashes one or more times after you turn on the computer, and the pattern repeats after a brief pause, there may be a hardware issue. To isolate the issue, run Apple Diagnostics.
During startup
When you press the power button to turn on the computer, the SIL also turns on. As the computer starts up, the SIL stays on until the processor (GPU) has initialized and the display turns on. When the GPU initializes properly, the display turns on and the SIL turns off simultaneously.
On Mac mini models from 2011 and newer, the SIL stays on when the computer is powered on.
During operation or display sleep
While the computer is operating, the SIL remains off. If the display turns off but the computer is still on, the SIL turns on and does not blink. It remains like this until the display turns back on, at which time the SIL turns off again.
On Mac mini models from 2011 and newer, the SIL remains on when the computer is operating.
You can turn on Display Sleep by pressing Control-Shift-Eject. To change your Display Sleep settings, drag the 'Turn display off after' slider in the Energy Saver or Battery pane of System Preferences.
During sleep
When your Mac sleeps, the SIL pulsates on and off slowly. On Mac mini models introduced in 2018 or later, the SIL stays on when the computer is in sleep. You can customize your Mac's sleep behavior in the Energy Saver or Battery pane of System Preferences.
On Mac notebook computers, if the battery is completely depleted and the computer goes into Safe Sleep, the SIL doesn't illuminate at all.
During shut down
When you choose the Shut Down command, macOS first turns off the GPU. This turns the display off. When the display turns off, the SIL turns on. During the few seconds of shutdown, but before power is removed from the main logic board, the SIL remains on and will not blink.
When the computer is fully shut down, the SIL turns off.
Firmware recovery mode
If Mac mini (M1, 2020) is in firmware recovery mode, the status indicator light rapidly flashes amber three times, briefly flashes amber three times, then rapidly flashes amber three times. This repeats until the computer is turned off. You might need to revive your Mac mini. If you still need help, contact an Apple Authorized Service Provider.
This simple tutorial shows how to install Mac OS Catalina style Gnome Shell theme and icons in Ubuntu 20.04 LTS.
Following steps include how to install the GTK theme, icon theme, tweak panel appearance, and install useful extensions. When everything’s done, your Gnome desktop will look like:
1. First install Gnome Tweaks and required theme engines.
Open terminal (press Ctrl+Alt+T on keyboard), paste following command (Ctrl+Shift+V) and run to install some required libraries:
Type user password (no asterisk feedback) and hit Enter.
2. Download / Install Mac OS Catalina Theme:
The light, dark, transparent theme packages are available at gnome-look.org page (under files tab).
Select download one or all of the packages as you want. You may also download “Extra” tarball for wallpaper and fonts.
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Then install them via:
- Go to Downloads folder and extract all the three tarball.
- Open new Files (Nautilus file browser) window.
- Press Ctrl+H to display hidden file folders.
- Then navigate to .themes folder (create the folder if not exist!).
- Finally move the theme package folders from Downloads to .themes.
2. Download / Install Mac OS Icon Theme:
There are a few OS X icon themes available, click here (files tab) to get one of them.
Then install the icons via:
- Go to Downloads folder and extract the tarball.
- Open new Files (Nautilus file browser) window.
- Press Ctrl+H to display hidden file folders.
- Then navigate to .icons folder (create the folder if not exist!).
- Finally move the icon package folders from Downloads to .icons.
3. Install user theme Gnome Shell extension.
You can skip this step if you have already installed the User Theme extension, and don’t want the Blur effect.
1.) First time installing a gnome shell extension? Do open terminal by pressing Ctrl+Alt+T on keyboard, then run command:
Go to extensions.gnome.org, and click the link to install the browser integration.
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2.) Click here to install user theme extension to load shell themes from user directory.
3.) (Optional) Click here to install extension to apply a Blur effect.
4. Apply the Mac OS Catalina Theme and Icon:
Launch Gnome Tweaks and navigate to Appearance, there you can choose themes for Applications, Icons, Gnome Shell.
5. Adjust the left dock panel.
Open terminal (Ctrl+Alt+T) and run following commands one by one:
- To move left dock panel to bottom, run command:
- To shorten the dock panel, run:
- Move app launcher icon to left:
- Set dock panel background transparency (range from 0 to 1):