Square Light Mac OS

Thanks for installing f.lux.

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Your f.lux installer is a .zip file - it should be in your Downloads folder. Install f.lux by double-clicking it.

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Once f.lux is installed and running, you should see the f.lux Preferences window appear. Here, you can enter your location and set your usual wake time. f.lux uses this information to create a custom lighting schedule for you.

You can open up Preferences any time to view and change your f.lux settings.

The f.lux menu can always be found to the left of your system clock.

f.lux Preferences

Daytime is whenever the sun is up in your location. By default, f.lux is at 6500K during the daytime, and does not change your screen’s color.

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If you prefer very warm daytime colors, select Options> Expanded Daytime Settings from the f.lux menu.

Sunset is when the sun has set, but you are awake. If you are an early riser, this is also your pre-sunrise morning setting.

Sunset colors are designed to work well with normal warm white room lighting. If you usually wake up before sunrise, you might prefer a more moderate (4500K or brighter) Sunset setting.

Bedtime is the time before sleep when you’re getting ready for bed (or already in it).

The Bedtime setting changes with your wake time. It removes as much alerting light from your screen as possible so that you can feel your body growing tired. You can go to sleep anytime with f.lux - whenever you feel sleepy.

. . .
f.lux presets

The f.lux preferences window lets you change and preview settings. There are several presets you can choose from. f.lux will default to the Recommended colors preset.

Recommended colors: Use these for the first week while you get used to the change of colors and discover how you like to use f.lux.

Custom colors: Custom color control, click the time of day you want to change and then drag the slider to your preferred color temperature.

Classic f.lux: At sunset, f.lux will fade to 3400K, and turn off at sunrise. For large screens this setting is probably not strong enough to remove all alerting light.

Working late: for extreme night owls, removes solar timing and gives 14 hours of bright waking light.

. . .
Location

For most machines, f.lux can automatically detect your location with OS X Location Services.

You can also use postal codes (US only), the name of a nearby city, or map coordinates (find them on the map at justgetflux.com/map.html).

If you’ve been traveling, you might need to update your location. Make sure your computer’s internal Timezone settings are correct under System Preferences > Date & Time > Time Zone

. . .
Options

Fast transitions: 20 second fade at sunrise and sunset. When unchecked, f.lux changes gradually over one hour.

Sleep in on weekends: For people who want brighter light later on Friday and Saturday nights (and sleep in on Saturday and Sunday mornings)

Extra hour of sleep (ages 13-18): Starts Bedtime one hour earlier for teens and other people who need a little more sleep

Expanded daytime settings: Warmer daytime settings (to 1900K) for people who want to reduce eyestrain or match office lighting

Backwards alarm clock: Calculates how many hours remain until your wake time and gives reminders every thirty minutes when it gets very late

Dim on disable: Gentle fade on disable so it hurts less to check colors

Color Effects

Darkroom: Removes 100% of blue and green light and inverts colors. Darkroom mode also preserves night vision while using a screen.

Movie mode: Lasts 2.5 hours. Preserves colors and shadow detail for watching movies with reduced alerting light.

OS X Dark theme at sunset: Uses the normal theme during the day and switches to dark theme (dock and menu bar) each night at sunset. Disabling f.lux will also disable dark theme.

Disable

For an hour: Disables f.lux for one hour and returns your screen to its normal setting.

Until sunrise: Disables f.lux until your local sunrise.

For current app: Open the app you want to disable f.lux for, then choose this option to disable f.lux whenever a particular app becomes active. You can re-enable f.lux later by opening the app and unchecking this option.

If you often check colors after dark, you might like to use the Dim On Disable setting under Options.

. . .
About f.lux

This is where to find what version you have installed, see our contact information, and get a measurement of your screen’s current brightness.

Quit f.lux

This will quit the f.lux process and remove the f.lux icon from your menubar. Always quit f.lux before uninstalling or deleting files.

. . .
Troubleshooting: Answers to some common OS X questions

Installing

  1. Click the f.lux Mac download link.
  2. Click the zip file to expand it
  3. Double click the 'Flux' application in your Finder window.
  4. Enter your location and wake time

Uninstalling

  1. Go to the f.lux Settings panel (to the left of your system clock)
  2. Choose 'Quit f.lux'
  3. In Finder, search for 'Flux' and select and delete the f.lux app by dragging it to the trash

Uninstalled but can’t delete files

  1. Open Activity Monitor and select Flux
  2. Choose Force Quit
  3. Delete f.lux app by dragging it to the trash

Quit f.lux but the color still remains

Rebooting often fixes any problems with color tint. But if that does not help you, try the following:

  1. Open Activity Monitor and verify there is no 'Flux' process running
  2. In Finder, open System Preferences> Displays> Color
  3. Delete the f.lux profile
  4. Reboot if needed

Other video display issues

Some Macbooks were recalled for problems with video hardware. You can check if your model is on the list at: https://www.apple.com/support/macbookpro-videoissues/

Flashing

On dual-GPU machines we write an ICC profile in order to make the “switch” between video cards more seamless. In some older machines, and every so often, this doesn’t work so well. You can use gfx.io to lock to one card, or to read about how this system works and disable if you want, check out our f.lux profile + prefs article.

If you still have questions about f.lux or need more help, you can check our FAQ or ask a question in our support forum.

The Splunk Universal Forwarder is the easiest and preferred way of getting data from remote systems into Splunk Light, also known as forwarding data to Splunk Light. The universal forwarder is a separate Splunk software product that needs to be installed and configured as a prerequisite to collect data from a remote system.

The following steps are for a default configuration of the universal forwarder to get data into Splunk Light. In these steps, you will:

  • Configure Splunk Light to receive data from the universal forwarder.
  • Download and install the universal forwarder software.
  • Configure the universal forwarder to send data to the Splunk Light instance.
  • Configure the universal forwarder to act as a deployment client.
  • Configure inputs to collect data from the host that the universal forwarder is on.

Log into Splunk Light

Log into Splunk Light, also referred to as your Splunk Light instance.

  • If you have Splunk Light installed, log into your Splunk Light instance to access the user interface.
  • If you do not have Splunk Light, you must provision an instance first before continuing with these steps. Visit the Splunk Light website to learn how to try or buy Splunk Light.

Step 1: Configure Splunk Light to receive data from the universal forwarder

Configure the Splunk Light instance to receive data from the universal forwarder.

1. From the Splunk Light user interface, click the menu at the top left of the screen to open the sidebar menu and select Data > Data receiving.

2. Click Add new.

3. In the Listen on this port field, enter the port number that you want the Splunk Light instance to listen on and click Save.

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  • The TCP port is also known as the receiving port. The default port is 9997.
  • The Splunk Light instance begins listening on the port that you entered.

Step 2: Download the universal forwarder

Download the Splunk Universal Forwarder for Mac OS from Splunk.com using the link below. Choose the installer that matches the platform of the machine that will forward data to your Splunk Light instance.

1. From a web browser, go to: http://www.splunk.com/en_us/download/universal-forwarder.html

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2. Click the Mac OS button and click the installer that is appropriate for your platform.

3. Click Save File to download the splunkforwarder file. The full download file name is similar to splunkforwarder-<release>-f2c83...8108-macosx-10.9.intel.dmg.

By default, the splunkforwarder file is saved to the Downloads (/Users/<username>/Downloads/) directory.

Step 3: Install the universal forwarder

Install the universal forwarder on the machine that holds, or has access to, the data you want to collect and forward to Splunk Light.

Note: If you want to install the universal forwarder on a different machine, copy the universal forwarder package file to that machine and continue with the steps below.

1. Double-click the splunkforwarder file to launch the installer.

2. Double-click the Install Splunk Universal Forwarder icon.

3. The Introduction dialog displays, indicating the version and copyright information. Click Continue.

4. Read the Software License Agreement. Click Continue to agree to the license terms.

5. Click Agree to confirm you accept the software license agreement and to continue with the installation.

6. The Installation Type dialog displays, showing a pre-installation summary. Click Install.

7. Confirm you want to install new software. Enter your Username and Password for the machine you are installing the universal forwarder on, and click Install Software.

8. The Summary dialog displays indicating the installation was successful. Click Close.

9. A brief initialization performs. Click OK to continue. The installation starts and might take a few minutes to complete.

10. Click Start Splunk.

11. Click OK to acknowledge the universal forwarder is installed and started.

By default, the SplunkForwarder is installed in the /Applications directory.

Step 4: Configure the universal forwarder to send data to Splunk Light

Configure the universal forwarder to send data to the Splunk Light instance.

1. Launch a terminal window. A terminal window can typically be found on your Mac by going to Finder > Applications > Utilities > Terminal.

2. Enter the following command:

/Applications/SplunkForwarder/bin/splunk add forward-server <host>:<port> -auth <username>:<password>

  • <host> is the hostname or IP address of the Splunk Light instance that will receive the data. In this example, the hostname is mycompany.
  • <port> is the receiving port you set on the Splunk Light instance. The default port is 9997.
  • <username>:<password> are the username and password used to log into the universal forwarder. In this example, the username and password are admin:changeme.

For example, /Applications/SplunkForwarder/bin/splunk add forward-server mycompany:9997 -auth admin:changeme

Step 5: Configure the universal forwarder to be a deployment client

Configure the universal forwarder to be a deployment client. This allows you to configure data inputs on the universal forwarder from your Splunk Light instance, which is the deployment server.

1. Register the universal forwarder as a deployment client of the Splunk Light instance, the deployment server. Enter the following command:

/Applications/SplunkForwarder/bin/splunk set deploy-poll <host>:<mgmtPort>

  • <host> is the hostname or IP address of the Splunk Light instance. In this example, the hostname is mycompany.
  • <mgmtPort> is the management port of the Splunk Light instance. The default is 8089.

For example, /Applications/SplunkForwarder/bin/splunk set deploy-poll mycompany:8089

2. Restart the universal forwarder. Enter the following command:

/Applications/SplunkForwarder/bin/splunk restart

You should see the universal forwarder listed in the Splunk Light user interface Forwarder Management view (in the sidebar menu, select System > Forwarder Management.) This can take a few minutes to update.

Step 6: Specify data inputs to forward data to Splunk Light

Specify which data inputs the universal forwarder uses to collect data.

1. In the Splunk Light user interface, click Search in the top menu bar.

2. In the Search view, under Data on the right of the screen, click the Add Data button.

3. On the Add Data view, click Forward.

4. Next to Select Server Class, click New. Available host(s) are listed, which are the hostnames of the universal forwarders (deployment clients) connected to the Splunk Light instance (deployment server).

5. Under Available host(s), click one or more forwarder hosts to add to the Selected host(s) box. This allows you to add a new Server Class.

6. In the New Server Class Name field, enter a name for the new server class.

7. Click Next near the top of the screen.

8. Select the type of data for the universal forwarder to collect. In this example, Files & Directories is selected. Click a source option:

  • Files & Directories for file uploads and directory monitoring.
  • TCP/UDP for network port inputs.
  • Scripts for data from APIs and services.

9. Enter a File or Directory name. For example, /var/log

10. Click Next near the top of the screen.

11. In the Input Settings view, next to Source type click Automatic.

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12. Click Review near the top of the screen. This view provides a summary of the data input configuration that is being used to collect data from the universal forwarder and forward to the Splunk Light instance.

13. Click Submit.

14. The File input has been created successfully displays. Click Start Searching to see the data in the Search view. This might take a few moments to display on the Search page.

Learn more

To continue adding data and to learn more about searching and reporting, see:

  • About adding data to Splunk Light in the Getting Started Manual.
  • About Splunk Light Search and Reporting Examples and Scenarios in Search and Reporting Examples.