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#Onyx mac mojave clean cache how to#
#Onyx mac mojave clean cache password#
#Onyx mac mojave clean cache series#

#Onyx mac mojave clean cache password#

Once you have entered your password and hit enter, you will not see a message indicating that the process is complete. It appears as though nothing is happening, but rest assured that something is. Keep in mind that when you are typing your password, you will not be able to view what you are typing – not even any asterisks. Sudo dscacheutil -flushcache sudo killall -HUP mDNSResponderĪfter typing the command and hitting enter, there will be a prompt for entering your computer's password. Navigate to your version of Mac and copy the respective command. In the table below, you will see the versions of macOS in reverse chronological order – from the most recent one to the oldest one. Then, underneath that, you will see the version number. In the Overview tab, you will first see the version name. From the dropdown menu that appears, select About This Mac. To find out the macOS version on your computer, click on the Apple icon at the very top left corner of your screen. The command is different depending on the version of macOS you are running.Įach version of macOS has a version number and a version name. In the terminal window, you will then need to enter a command.

#Onyx mac mojave clean cache how to#

How to Clear DNS Cache For Your MacOS Version You should see a window open that looks similar to the following:

Or, you can also use the Command Space shortcut.įrom there, start typing terminal and click on the Terminal.app option that appears.

Either navigate to the very top right corner of the screen and click on the icon that looks like a magnifying glass.

The easiest way is through Spotlight search. There are a few ways to open the terminal. MacOS has a built-in CLI (Command Line Interface) named Terminal.app, which allows you to enter text-based commands that the Operating System will carry out. How to Access The Terminal Application on MacOS

To enter a text command (the command will depend on the version of macOS you are running).

How to Flush DNS Cache on MacOSĬlearing the DNS cache on your Mac is a relatively straightforward process, even if you don't have a lot of technical knowledge. Hackers can request personal and sensitive information, such as credit card numbers, and steal it.įrequent flushing of the DNS cache will help prevent this from occurring. The next time you request to access that same website, there will be a redirection to a fake and corrupted URL. Hackers can access and corrupt your saved DNS cache records.įor example, they could manipulate and change the IP address associated with a Domain Name of a website you have already visited and map it to a malicious one.

Flushing the DNS cache prevents network security threats, malicious attacks, and DNS cache poisoning from happening.

When DNS updates happen on a website, your Mac is still using the old, inaccurate information to load the requested page.įlushing the DNS cache makes sure cache information is up to date. Keep in mind that your local cache information can become outdated over time. You may be getting DNS errors in your browser, such as the 'DNS Server Not Responding' message when trying to access a site and establish a connection.

Flushing DNS is a helpful step for troubleshooting Internet connectivity issues.

You should flush the DNS cache for a few reasons. When you visit that same website for the second time, the lookup process is more efficient, and the lookup time is much shorter. It temporarily stores and keeps track of your computer's activity records like recent website visits.Įach time you visit a website by typing its URL (short for Uniform Resource Locator), the DNS cache will save the IP address associated with that website.

Think of the DNS cache as a local storage area on your Mac. Their format is not that human-friendly since it is hard to remember an exact sequence of numbers each time you want to visit a website.ĭNS then maps to its associated IP address - 104.26.3.33. These numbers identify a device connected to the Internet.

#Onyx mac mojave clean cache series#

IP addresses (IP is short for Internet Protocol) is an address that is machine-readable and consists of a unique series of numbers. Think of what a phonebook does – it maps a person's name to their respected phone number.ĭNS (short for Domain Name System) maps domain names to their associated IP addresses.Ī domain name, such as, is easily read, understood, and recalled by humans.

How to clear DNS Cache for your MacOS versionĭNS acts much like an internet phonebook.

How to access the terminal application on MacOS.

Here is what we'll discuss in this guide: In this tutorial, you will learn why flushing your DNS cache is important, and how you can clear the cache on your local system.