Demystifying Docker: How It Works

Demystifying Docker: How It Works

Docker is a containerization tool that uses lightweight virtualization to create isolated environments called containers. Unlike virtual machines (VMs) which emulate entire operating systems, Docker containers share the host's kernel, making them faster and more efficient. What We’ll Cover An exploration of Docker’s core concepts, including images, containers, and networking. Insights into how Docker works under the hood, such as namespaces, cgroups, and the Docker architecture. Practical examples to reinforce key concepts, like running containers and inspecting images. Why Docker Matters Docker plays a big role in modern IT: Consistency: Ensures applications run the same across all environments. Efficiency: Containers…
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7-Eleven is at the center of a multibillion-dollar bidding war

7-Eleven is at the center of a multibillion-dollar bidding war

Seven & i Holdings, owner of 7-Eleven stores, is at the center of a three-way bidding war.The company's management, its founders, and a Canadian convenience store company all want control.Depending on who ultimately prevails, the Japan-based company could go private.Japan-based Seven & i Holdings, owner of the iconic global chain of 7-Eleven convenience stores, is at the center of an intensifying bidding war, multiple outlets reported.The company's management, its founding family, and a Canadian company — Alimentation Couche-Tard, owner of Circle K convenience stores — are all interested in control of the chain, with bids upward of $58 billion.Business Insider previously…
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Sonos Black Friday deals: Save up to $200 on speakers and soundbars

Sonos Black Friday deals: Save up to $200 on speakers and soundbars

Sonos Black Friday sales have begun, kicking off one of the few times of the year you can actually save a decent amount on the company’s speakers, soundbars and other gear. This time around, you can get up to $200 off, with one of the highlights being $50 off the Sonos Era 100 — it’s down to a record low of $199.If you’re in the market for a soundbar, consider the Sonos Arc. Now that the Arc Ultra is available, Sonos has discounted its previous flagship soundbar by $200 to $699. For something more affordable, the Beam 2 is currently…
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Elon Musk has a ‘serious conflict of interest’ due to xAI and his relationship with Trump, LinkedIn cofounder says

Elon Musk has a ‘serious conflict of interest’ due to xAI and his relationship with Trump, LinkedIn cofounder says

LinkedIn cofounder Reid Hoffman hopes a second Trump term can usher in an era of AI innovation.In a recent op-ed for The Financial Times, he shared several concerns he has for the administration.Hoffman warned that Elon Musk shouldn't use his relationship with Donald Trump to boost xAI.LinkedIn cofounder Reid Hoffman said Elon Musk has a "serious conflict of interest" when it comes to guiding a second Trump administration on AI policies in the US.In an op-ed published Friday with The Financial Times, Hoffman said the advisory role Musk has taken up with Donald Trump could pose a conflict of interest…
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Black Friday Apple deals include the AirPods Pro 2 for a record low of $160

Black Friday Apple deals include the AirPods Pro 2 for a record low of $160

It’s no secret that Black Friday and Cyber Monday are some of the best times to pick up Apple devices. You’ll rarely find direct discounts at Apple, but other retailers tend to have good sales this time of year on things like iPads, MacBooks and AirPods. Case in point: the AirPods Pro 2 are on sale for $160 right now, which is a record low. The recently updated AirPods 4 are also on sale, starting at $119.While we periodically see AirPods dip in price throughout the year, the best time to buy is during the Black Friday and Cyber Monday…
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Early termination of transducers and reducing functions

Early termination of transducers and reducing functions

In the previous post about transducers, I did not discuss early termination of reducing functions and transducers. For the examples given in that post, early termination was irrelevant. It is, however, an important and tricky aspect of reducing functions and transducers. Early termination of reducing functions The following reducing function is a variant on the function first and the transducer (take 1), created specially for people with nostalgia for the 80s. (defn highlander-rf "There can be only one" [_ input] (reduced input)) Enter fullscreen mode Exit fullscreen mode Although this function is largely useless in practice, it provides the most…
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Snap calls New Mexico’s child safety complaint a ‘sensationalist lawsuit’

Snap calls New Mexico’s child safety complaint a ‘sensationalist lawsuit’

Snap has accused New Mexico's attorney general of intentionally looking for adult users seeking sexually explicit content in order to make its app seem unsafe in a filing asking the court to dismiss the state's lawsuit. In the document shared by The Verge, the company questioned the veracity of the state's allegations. The attorney general's office said that while it was using a decoy account supposed to be owned by a 14-year-old girl, it was added by a user named Enzo (Nud15Ans). From that connection, the app allegedly suggested over 91 users, including adults looking for sexual content. Snap said…
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Set up SSH Key Authentication

Set up SSH Key Authentication

Continuing on my DevOps journey, I dove deeper into practical tasks that strengthened my skills in Linux server management, security, and automation. I set up SSH key authentication, secured Nginx with SSL/TLS, and implemented best practices for web server security. Exploring load balancing, I configured Nginx to distribute traffic for high availability. Documenting these steps keeps my journey purposeful and impactful. Source link lol
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Amazon Black Friday deals include a four-pack of Samsung Galaxy SmartTag2 trackers for 41 percent off

Amazon Black Friday deals include a four-pack of Samsung Galaxy SmartTag2 trackers for 41 percent off

If you’re looking for a good tech-related stocking stuffer, some of the best you can get are Bluetooth trackers. We’re all forgetful sometimes, and these tiny devices can help anyone keep track of their keys, wallet, bag and other belongings more easily. If you have an Android user on your list (or even better, a Samsung fan), Samsung’s SmartTag2 trackers are the ones to get. For Black Friday, a four-pack of the accessories is on sale for $60, which is 41 percent off their normal price.This is one of our favorite Bluetooth trackers, and with good reason. They are the…
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