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If you’re ever wondering how long your Mac has been turned on and running for, you can discover exactly how long the computer has been on since last boot with two different methods available in OS X.

Let’s learn a bit more about discovering how long a Mac has been left turned on for, and also, theoretically at least, how long you could leave a Mac turned on for.

Find How Long a Mac Has Been Turned On For with System Information in OS X

The easiest way to see how long it has been since your Mac was last off or booted is to use System Profiler.

From anywhere in OS X, hit Command + Spacebar and type “System Information” followed by the Return key to launch that app (some earlier versions of OS X call this “System Profiler”)

Select “Software” from the side menu list

Locate “Time since boot” to see the amount of time it has been since the Mac has been turned on

A command line approach is also possible. Simply launch the Terminal and type the following command into the command line to discover exactly how long the computer has been on:


This command will report back your systems uptime, which is telling you how long your Mac has been turned on for, or how long it has been since a reboot has occurred. You will see something like the following reported back:

10:17 up 10 days, 11:02, 4 users, load averages: 0.34 0.29 0.24

As you can see, this Mac has been turned on and running for 10 days and 11 hours and 2 minutes.

All Macs will report different data here of course, because some people turn off their Macs at night, and some people don’t (I never do).

You can learn more about uptime and getting boot history here, focused on the command line approach, it applies to all versions of OS X and all Mac hardware.

How Long Can a Mac Be Left Turned On For?

Theoretically, you could leave a Mac turned on all the time, and leave it turned on forever. Yes, it will use power, and yes you should take that into consideration. For me, I personally never turn off my Mac unless I am going to be traveling and not using the Mac for many days, otherwise I just leave it turned on and never turn it off at all. Sure, I reboot to install software and what not, but that’s about it. I put it to sleep if I am taking it somewhere, or want to power it down without a shutdown. I basically never turn off my Mac, and I’ve never had a problem with that.

So how long can you really leave a Mac turned on for then? That’s hard to say, if you just let a Mac sit and do nothing for years, eventually some hardware components may fail, but this could take a very long time to happen. In fact, many Mac servers routinely achieve very high uptimes well over a year of being turned on without a reboot or crash, here’s one that is over 400 days for example, and another over 160 days – pretty impressive, right? It is, that’s what you get with stable software on good hardware, it’s yet another beauty of the Mac.


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Trump Administration’s Tiktok Ban Has Been Delayed

A U.S. federal court has said a ban on TikTok will not go into effect on Monday as scheduled.

The move to delay the anticipated ban will allow Americans to continue using the app while the court considers the ban’s legality and whether the app poses a risk to national security as the Trump administration claims.

For months because President Donald Trump signed two executive orders from early August, the government has threatened to close down the viral movie sharing program over concerns that its parent firm ByteDance, headquartered in Beijing, might be made to turn over user information to the Chinese authorities.

TikTok, that has 100 million consumers from the USA alone, has rejected the promises.

Also read: Best 10 Semrush Alternative for 2023 (Free & Paid)

On Friday, the government requested the court to deny the injunction at a sealed movement, which the authorities later refiled as a public movement with a few redactions. A public hearing on the injunction was set for Sunday morning. The case has been heard in DC District Court presided by judge Carl J. Nichols.

In its judgment on Sunday, the court gave its conclusion, together with the proper opinion handed privately to only the two opposing parties.

As a result of sensitive substance contained in the government’s motion, the parties have till Monday to request any redactions prior to the last view will be released.

The choice is simply the most recent episode in the ongoing saga of this sprawling struggle on the future of this fastest-growing social program in the united states.

A deal attained involving ByteDance and the U.S. government last weekend has been considered to have solved the standoff between the 2 parties, but the agreement has frayed over contested details between purchaser Oracle and ByteDance.

The government first introduced an act against TikTok on August 6, together with President Trump arguing within an executive order which the program posed an equivalent national safety threat for American taxpayers.

That order revealed a similar one released the exact same day which set limitations on the favorite Mandarin-language messenger program WeChat, which will be possessed by China-based Tencent.

One difference between both suits is that the plaintiffs. In WeChat’s instance, a bunch of WeChat users filed a lawsuit claiming that a ban could damage their expression of language. TikTok is representing itself within its fight with the authorities.

Controversial Facial Recognition Company Clearview Ai Has Been Hacked

The online security woes just keep on coming, as controversial facial recognition company Clearview AI has been the victim of a security breach.

Earlier this year, Clearview AI drew criticism throughout the world for its reckless pursuit of facial recognition data. The company was scraping YouTube videos, Facebook profiles, and any other form of social media it could get its hands on for this sensitive information. To make matters worse, Clearview AI had plans to sell all this data to authoritarian regimes, which is problematic to say the least.

Now, Clearview AI has apparently been the victim of a security breach, which brings into serious question the cybersecurity firm’s ability to protect itself, let alone the millions of users whose data it collects.

What Was Hacked at Clearview AI?

According to a customer notification acquired by The Daily Beast, a hacker “gained unauthorized access” to Clearview AI’s customer list, a veritable who’s-who of law enforcement agencies from around the world.

The notification did insist that the hacker did not gain access to Clearview’s servers and that there was “no compromise of Clearview’s systems or network.” However, the hacker did obtain data like how many accounts any given user has and how many searches were conducted by those users. And that, in so many words, is not a good look for this controversial company.

“Clearview’s failure to secure this list underscores exactly why facial recognition surveillance makes us all less safe, not more safe,” said Evan Greer, Deputy Director of Fight for the Future, in an interview with chúng tôi “If Clearview can’t even keep their client list secure, how can we trust companies like them to safeguard the sensitive biometric information they collect?”

While this might seem like an inconsequential security breach as far as the information stolen is concerned, it really drives home the idea that, while in pursuit of a better world, these companies are actually making things a whole lot worse, particularly when you consider that we’re merely at the beginning of facial recognition’s mainstream rollout.

The Implications of a ClearView AI Security Breach

We’ll be the first to admit that Clearview AI isn’t the problem; it’s a symptom. In the current tech industry climate, the mantra of “move fast and break stuff” has been taken well past its logical conclusion, leading to a woeful lack of meaningful regulation when it comes to disruptive technology. And that really needs to change.

“We need lawmakers to stop dragging their feet and pass legislation to ban the use of facial recognition for surveillance purposes,” said Greer. “And that ban should apply both to government agencies and to corporations.”

Fortunately, there are already a few substantial victories against the widespread rollout of facial recognition technology. The entire city of San Francisco has banned the technology from law enforcement use. Amazon shareholders squashed the sale of its Rekognition software to police. Even the EU is debating the merits of a temporary ban on the technology. But to avoid a seriously problematic rollout of facial recognition technology, we’re going to need a little bit more of a legislative push.

How to Protect Yourself Online

Unfortunately, there’s not a lot you can do to protect yourself from shady facial recognition practices, outside of not having a face (or using one of these crazy inventions). Fortunately, the internet is decidedly unsafe in a lot of other ways that you can protect yourself from, as long as you know how.

From secure passwords to impenetrable networks, there are dozens of tips and tricks that can keep you safe online. Password managers, for one, can keep track of all your PINs and codes, instead of relying on your decidedly poor memory. Additionally, VPNs allow users to browse securely on public networks, and even come with a few handy benefits for travelers and couch potatoes alike.

How To Remove Your Computer Has Been Blocked Fake Microsoft Warning Pop Ups?

While browsing the Internet, if you have received a virus alert from Microsoft stating that “YOUR COMPUTER HAS BEEN BLOCKED” because the system is infected with viruses and asking to call you, it is probably a scam.

In this post, we would discuss how such fake Microsoft Warning Pop-Ups are generated and how to remove them.

What is Microsoft Virus Warning Pop-Ups

Cybercriminals use various tricks to manipulate users and get into their systems. One common trick is creating fear among users by presenting them fake alerts pretending from genuine organizations. Microsoft Virus Warning pop-up is one of those fake alerts. In this, the users will suddenly get a pop-up message pretending from Microsoft, which states that the computer has been blocked because of a malware attack and users’ personal details are being stolen. The warning pop-up also asks the users to call a specific number to get rid of the viruses.

When the users call on the given number, the attacker pretending as technical support will prompt them to download a fake antivirus program, which is, in reality, malware. The phony technician would also ask the caller to pay the fees for providing the solution.

The users need to understand that this whole pop-up scenario is put up by cybercriminals to frighten them and manipulate them into buying fake programs. An error warning from Microsoft does not include any phone number to call. They or any reputed organizations never ask for personal details from the users through calls or emails.

There are certain signs that would tell you that the message you received is indeed from Microsoft.

How to tell the Message from Microsoft is Fake

As already mentioned, Microsoft would never pop up a warning message on your system and ask you to call them through a number. If you got a warning message on your screen, you must look for certain signs to verify whether it is authentic or not. Here are those clues −

If the message or mail from Microsoft is asking you for sensitive information like bank details or more, it is undoubtedly fake and a part of a scam.

Microsoft or any other software-making company would not pop up such virus warning, as they cannot scan your system without your permission.

If the mail from Microsoft is asking you to pay for services through cryptocurrencies or gift cards, then it is a fake one.

Microsoft never initiates the technical support conversation from their side. It is the users who start it, and then Microsoft’s team would respond to the issue.

What causes such Fake Pop-ups to appear

The fake “YOUR COMPUTER HAS BEEN BLOCKED,” or similar messages might appear because of one of the following reason:

In anticipation of getting some software or games for free, you visited any unsolicited website.

While installing a genuine program, you might have installed a pop-up generating program, which came bundled with it.

There might be an adware program residing on your computer.

How to prevent fake Microsoft Pop-Ups from appearing on your Screen

To prevent fake pop-ups from Microsoft to appear on your screen, you must follow these practices −

Download the software and games from genuine, official sources only. The third-party software downloading websites are mostly fake and provide infected applications in the form of genuine ones.

For safe and smooth browsing, equip your system with a pop-up blocker or ad blocker. It would keep the malicious pop-ups away from your screen.

Never trust scam emails, messages, and pop-ups pretending to be from Microsoft and follow their instructions like calling and installing the program.

Always keep a robust antimalware program installed on your system. It would protect you from any type of malware infection.

The Largest Continental Chain Of Volcanoes Ever Has Just Been Discovered In Australia

Australia is known for a lot of dangers. Fires, floods, horrific temperatures, apocalyptic hellscapes…

One of the few natural disasters that they’ve largely managed to avoid is volcanoes. There are no active volcanoes on the Australian mainland, but go a few million years back in time, and you’d find a very different landscape.

Researchers recently announced that they had located the largest chain of volcanoes ever found on a continent. The range of volcanoes stretches across the entire continent and onto Tasmania, a distance of over 1,200 miles (2,000 km).

How did we miss a massive string of volcanoes? They aren’t that big anymore, and they aren’t spewing lava all over the Earth. In fact, they look more like this:

Volcanic plug, Queensland

The remnants of a volcano in Queensland, Australia.

The volcanic chain was formed between 9 million and 33 million years ago, as the Australian tectonic plate moved over a hotspot in the earth called a mantle plume.

Everything on Earth, from the mountains to the oceans rests on a thin brittle layer of rock called the crust. This crust is broken into sections called tectonic plates that move around on top of a more flexible (and very hot) layer of rock called the mantle. But not every single place in the mantle is created equal. Just like on a finicky stove, there are sometimes areas of the mantle that get much hotter than others. This heat is often concentrated in a small area, and melts the crust like a blowtorch, creating a volcano in that spot. While plates can move, these hotspots tend to stay in one place.

As the plate moves over the hotspot, the volcano moves with it. It doesn’t have a heat source anymore, and gradually stops erupting and growing. Now, a new section of the crust is over that hot spot, and a new volcano starts growing, giving the old volcano a new companion.

The process continues in roughly a straight line as the plate moves over the hotspot, creating a long line of volcanoes, also known as a chain.

While the chain in Australia is the largest chain to form on a continent, it isn’t the largest one on earth. A particularly persistant hotspot formed a series of undersea volcanoes and islands in the Pacific ocean as the Pacific plate moved north and then sharply west, eventually forming the Hawaiian islands. The Hawaii-Emperor chain is over 3,700 miles (6,000 km) long.

Hawaiian Hotspot

Over the past several million years, the Pacific plate has moved north and then north-west over a hotspot. The movement formed the Hawaii-Emperor chain of volcanos, seen here.

How To Update Software On Your Mac

First time checking out this series? You’ll get the most value by starting at the beginning, however you can also use the series overview if you’d like to go buffet style.

Note for regular readers, the already tech savvy, and IT professionals: this series is designed as a resource you can share with those you are helping or for those looking to become tech savvy on their own.

Background, Expectations, & Best Practices

Staying up to date with software can sometimes be a confusing and frustrating task, these issues are usually caused by the various ways that different software is designed to update and where it was installed from. The good news is that Apple is continually improving how updates happen. With its latest operating system, macOS Sierra, there are some sharp features to make updating software more smooth and seamless. This won’t apply in all instances, but still helps provide an overall improved user experience.

First, let’s define some of the vocabulary we’ll be using. We’ll refer to software as the applications (programs), operating system (macOS) and other operating information used by your Mac hardware. In the last several years using app (short for application) has become more common than using program when referring to software. We’ll define apps as computer software designed and written to fulfill a particular purpose.

There are different ways to install and update apps on your Mac, the most common ways are the Mac App Store, within the app itself, or the web. Less commonly you may see apps that are loaded from flash drives or CD’s.


A common concern that is often shared is that updating apps and especially operating systems will cause a problem. Often times this fear is caused by the past experience of an issue after doing an update or hearing stories from others. This is definitely up to personal preference, but here are a couple of things to keep in mind…

App and operating system updates typically provide bug fixes, security updates, and introduce new features. While it’s possible that installing an update may cause an issue, it’s also possible that not installing the update could cause problems. This is a good reminder that anything can fail and you should have a backup strategy in place. Even robust systems that power the internet like Amazon Web Services can and do fail.

As a general rule of thumb, I typically install updates as soon as they are available. However, if you’re a bit more hesitant, you can wait a week or two to see if others run into any problems and then continue on performing updates. Just don’t wait too long as this can cause more security and compatibility issues the longer you postpone.

From my experience there seems to be a bit more anxiety with software updates for iPhones than Macs. This is likely because we rely on our smartphones so much and it can feel crippling to not have our primary communication device functioning normally.

Next week we’ll dive into updating software on iOS (iPhone and iPad) in particular. Another way to think about updates is it’s like driving a car. The possibility of being in an accident doesn’t stop you from traveling in your vehicle, you just likely use your safety belt, have insurance, and drive intentionally to reduce the risks.

Do This

Let’s dive deeper and look at updating within macOS and the App Store and then we’ll take a look at updating within apps and through the web. Follow along to build experience, exposure, and confidence with updating apps.

The App Store in macOS

At the top of the window you’ll see the updates that are available to install. The App Store in macOS will automatically let you know when updates are available, but it won’t install them without your authorization (you can also change these settings, which we’ll get to in a moment).

You’ll now be able to make sure your settings are to your liking. Even if you check off all the boxes and allow macOS and the App Store to automatically check for and download updates, you’ll still be notified and have to authorize their installation. But again, these settings will come down to your personal preferences.

Below the update preferences you’ll notice a manual Check Now button that you can use in conjunction with the auto-check for updates feature or use on its own if you prefer to turn that feature off.

The current macOS version is Sierra, if you notice that you’re not on Sierra, it is a free update from the App Store. Sometimes with older Macs the newest operating system may run a bit slower, but as an example my parents are running Sierra on a 2009 iMac with solid performance. Apple does a fantastic job optimizing macOS with their hardware.

Now you’ll be able to download Sierra. Note that downloading the new macOS operating system won’t automatically install it, you can do that whenever you’d like as they are two separate steps.

As you can see, when you choose to download your applications through the App Store it makes the process of updating much easier and more organized. Another benefit of utilizing the App Store is that Apple vets and approves all the apps available so you can rest assured that they are safe and work as described.

Updating apps downloaded from the web

The first example we’ll look at is a piece of third-party software that I had to download from Logitech’s website for my wireless mouse (far and away the best I’ve used). Because I downloaded it directly from the manufacturer I can’t use the App Store to help with updates. The following will apply to most apps you download from the web but may vary a bit app to app…

The next step is to look for settings or something similar in the application window. In this case Logitech has placed the update settings under the More button.

You’ll notice on the right hand side in the image above that I have the option for the Logitech app to auto-check for updates as well as a manual button. When an update is available, here is what it looks like…

Adobe Flash Player

Some applications like Adobe’s Flash Player may redirect you to the their website to download an update. This type of update also usually includes downloading a .dmg (disk image) mounting it, installing the update, un-mounting the .dmg and deleting the download.

Taking the time to follow the steps below will make sure you stay up to date with your apps as well as making sure your downloaded files don’t pile up. Here’s what this process looks like:

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