Trending November 2023 # Zero To 8,000 In 48 Hours # Suggested December 2023 # Top 14 Popular

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Most IT departments have the luxury of rolling out their wireless networks on a gradual basis, putting in access points and then assigning access privileges at their discretion. Stewart Seruya, Chief Security and Network Officer at the University of Miami doesn’t have that option.

“8,500 undergraduates start over one weekend,” he explains, “and they all want their MAC addresses registered immediately.”

Unfortunately, when the university began rolling out its 802.11b network, there weren’t any security tools available that could handle that type of traffic load. In this article we take a look at the three-step custom solution Seruya devised.

Rapid Registration

Founded in 1925, the University of Miami is a private educational institution with nearly 15,000 students and 9,400 faculty and staff. In addition to the main campus in Coral Gables, it also has a medical teaching facility and a marine research campus, both in Miami. From an IT viewpoint, it treats each of these physical locations as a campus, and the wireless cloud as an additional campus.

In addition, the university is a member of the Internet2 consortium and has direct fiber links to other local universities.

Seruya set up the first elements of the 802.11b wireless cloud, which now contains about 500 Proxim OriNOCO Access Points (models 500, 1000 and 2000), during the summer of 2000. Although he hired some contractors to do the wiring, all the security design and implementation was done in-house using either students or university staff. Doing it this way, he was able to keep the security systems hard costs down under $10,000, including a small UNIX server to host the software.

“When we started there was a question of how to deploy it and get it to work in a secure fashion,” he explains. “There were no prepackaged solutions available at that time, so we decided to come up with our own scheme.”

While it would have been technologically easy enough to set it up for the students to fill out access request forms and have staff enter them into a database, that method was too slow and demanded too much staff time. The students would have been lucky to get on line by the end of the semester, and then IT would have to keep track of any students who graduate or drop out so that they would lose their access privileges.

The first breakthrough, therefore, was to merge the wireless security with existing student database used as part of the overall student portal. The university’s registrars keep track of the status of each student, and the network access was made part of the registrar database. The students use this portal and the associated database to register for housing, classes and other services.

Any student who is actively enrolled at the university is assigned a login and password as part of the registration process. If the student is no longer active for whatever reason, when the registrar notes them as inactive, their logon is automatically disabled.

“The biggest concern for us is something falling through the cracks,” says Seruya. “This way there is no paperwork for us to process and we don’t have to keep track of everyone’s status.”

A similar system exists for faculty and staff, but in this case it is tied into the HR database, rather than the Registrar’s. When the university hires an employee and enters that person into the HR system, that person automatically gains network access, which terminates upon departure or termination.

Triple Protection

If it does not recognize the MAC, it will direct the person to a page to register the device. The page also contains instructions on how to determine what their devices MAC address is.

Once the student enters the required information, the system then automatically populates the wireless access database with that user and device. The entire process takes less than two minutes, at which point users gain access to the network.

“What used to take us weeks and weeks now takes minutes,” says Seruya. “In one night, 1,500 students registered themselves.”

Once the AP validates the device, the next security layer lies with the Dynamic Host Configuration Protocol (DHCP) server. The wireless devices need to get an IP address from the DCHP server, but it wont issue one until it verifies the MAC address.

Finally, after passing the above two steps, the user is directed to a Web page to enter their logon and password. These are the same logon and password they use to access the student portal, so IT doesn’t have to maintain a separate database for these.

Future Plans

The security system in general has served well, but each year Seruya adds additional features. For example, initially students were just able to register one wireless device. But as wireless PDAs started taking their place alongside wireless laptops, that was no longer adequate, and the system was reconfigured to permit multiple MAC addresses for a single student.

For this summer, he has a list of requests from students, along with his own wish list. One particular feature he would like to add is that the system re-authenticates users every six hours or some other predetermined time period. This would reduce the amount of time that users could stay logged on after their authorization was cancelled. He is also examining commercially security platforms that have become available over the past few years to see if they would do a better job than his home grown one.

“Every summer we have the opportunity or improve or reconsider the track we are going down,” he explains. “We are not naive enough to think that what we are doing now is the right thing to do forever.”

You're reading Zero To 8,000 In 48 Hours

Home Automation In 48 Hours Without Coding

In this course, We will help you explore Internet of things, using Raspberry Pi and Cayenne. Have you ever wanted to build great IoT projects without writing a single line of code? Yes! That’s absolutely possible with Cayenne. Cayenne is the world’s first drag-and-drop project builder developed to quickly design, prototype and commercialize IoT solutions.

Cayenne provides a digital dashboard to control and monitor your project from anywhere. You can Quickly connect to the Internet and hook up sensors, actuators, and extensions in minutes.

In this course, you will learn to interface sensors and actuators with the cayenne web application after which we will build the Home Automation project. You will learn to control the different home appliances using the cayenne web application or with the mobile app. Whether it is a television, a lamp, a fan or even an AC motor, each one of these can be turned ON or OFF with the help of a smartphone from anywhere in the world.

Next, you will also learn to use a digital motion sensor and deploy it for a security alert while you are away from your home. You will get notified by an email as well as a text message if something goes wrong.

You will also learn how to read analog sensors using Raspberry Pi without writing lines and lines of code to convert analog signals to digital signals using ADC ICs. You just need to design the circuit, and the system will be smart enough to establish an connection with the circuit.

Lastly, you will learn to save energy by building an automatic garden lighting system. A simple light switch is the traditional way to operate garden lights. However, it is sometimes easy to forget to switch the lights on or off. With a simple switch, you also have to bear in mind that darkness falls at different times throughout the year. So, the idea is to turn on the lights only when it is dark. This can save energy and eliminate manual effort. A light sensor can switch on outdoor lights when the light intensity drops below a certain threshold level. When the sky clears up, the sensor will turn off the lights.

All the projects will be discussed step by step and with real-time demonstration of the output.

If you face any technical issue during the development process, please post your query in the TutorialsPoint Questions Section. We will get back to you within 48 business hours.

Who this course is for:

Anyone who wants explore Internet of Things (IoT) and and automate day to day activities

Anyone who don’t wish to write any code and build the complete project using visual editor

Goals

Learn to control four different AC appliances remotely using Cayenne app without writing a single line of code

Eliminate the manual effort and save energy by automating the garden lights

Build your own security alert system and get notified via email and SMS upon intrusion

Read analog sensors and visualize the data in a web dashboard using Cayenne without writing any code

Prerequisites

Basics of Raspberry Pi

Basic knowledge of electronic circuits

4 Ways To Fix Horizon Zero Dawn If It Keeps Crashing

4 Ways to Fix Horizon Zero Dawn if It Keeps Crashing Create some space to prevent frequent game crashes

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Horizon Zero Dawn is one of the best games from its gorgeous worlds to its compelling storyline, yet some players have been experiencing crashes when playing it.

You can close all background processes and see if there’s an improvement but if not, proceed to our recommended solutions.

INSTALL BY CLICKING THE DOWNLOAD FILE

To fix Windows PC system issues, you will need a dedicated tool

Fortect is a tool that does not simply cleans up your PC, but has a repository with several millions of Windows System files stored in their initial version. When your PC encounters a problem, Fortect will fix it for you, by replacing bad files with fresh versions. To fix your current PC issue, here are the steps you need to take:

Download Fortect and install it on your PC.

Start the tool’s scanning process to look for corrupt files that are the source of your problem

Fortect has been downloaded by

readers this month.

Horizon Zero Dawn is a fantastic game, and it’s one of the best titles released in 2023. However, it’s not without its issues. In fact, some gamers have reported that Horizon Zero Dawn keeps crashing on their PS4 and Xbox One.

It takes up a lot of memory, especially if you’re playing on the PS4 Pro with the 4K mode enabled. You may experience issues with Horizon Zero Dawn not loading or it won’t launch at all.

Why is my game suddenly crashing?

There are several reasons why Horizon Zero Dawn crash may happen in your game. Below are some common causes of crashes:

Outdated graphics card drivers – If you’ve installed the latest graphics card drivers and still experience crashes, try updating them again or using an older version of the driver that works well with Horizon Zero Dawn.

Insufficient storage space – The game requires around 100GB of free space on your hard drive to install. If you don’t have enough room, or if you have an external hard drive that isn’t listed as a location for the game to save, Horizon Zero Dawn will crash when trying to load it up.

Corrupted files – The problem with corrupted files is that they may be corrupted on your hard drive or on Steam’s servers. You can try downloading a fresh copy of Horizon Zero Dawn from Steam, but if this doesn’t work, then you’ll want to try repairing or reinstalling your OS to fix this issue.

Virus/malware infection – Viruses and malware can cause all sorts of weird behavior in Windows including crashing games and applications, freezing up computers, and more. That’s why we recommend using a reliable antivirus program.

How can I fix Horizon Zero Dawn if it keeps crashing?

Don’t hesitate to pay attention to the preliminary checks below:

If your hard drive is running low on space, try deleting some old files or installing games onto an external hard drive. You can also delete temporary files from your computer to

free up space

You should also clear up some storage space on your console. Horizon Zero Dawn takes up a huge chunk of space, but if you have other games or apps that are taking up more than that, it could be causing problems.

Also, as a rule of thumb, it is always recommended that you ensure your device meets the minimum system requirements for the said game. This will prevent frequent crashes and game lags.

If you’re running an outdated firmware version on your PS4 then this could be causing your Horizon Zero Dawn crashes. As with any software program, updating your firmware can help resolve issues with stability.

Try updating your firmware to the latest version. This should fix many common issues such as crashes and freezing during gameplay as well as other performance problems.

Expert tip:

Keeping all drivers up-to- date and error-free is the key to play intense games without any crashes, lags, or freezes.

Since manual checks are challenging to do, we suggest using an automated assistant that will regularly check for new driver versions. Here is how to use it:

Download Outbyte Driver Updater.

Launch it on your PC to find all the problematic drivers.

Restart your PC for the changes to take effect.

Outbyte Driver Updater

Do not let a faulty driver disrupt your gaming experience, use Outbyte Driver Updater to run them without any issues.

Free trial Download now

Disclaimer: this program needs to be upgraded from the free version in order to perform some specific actions.

3. Disable antivirus temporarily 4. Scan for viruses

If none of the above works for you, you can uninstall and reinstall the game. You can also try updating your OS and see if this fixes the Horizon Zero Dawn crashing issue.

On the flip side, this is not the only game you can enjoy. Guerilla Games have an amazing portfolio so it is worth considering other masterpieces.

To help you make that decision, we have a comprehensive side-by-side comparison of Horizon Forbidden West vs Zero Dawn so be sure to check that out.

Should you experience any other related issues such as Steam games not launching, we have a dedicated guide on how to bypass these hurdles.

Still experiencing issues?

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How To Create An App With Zero Coding Experience For Your Business

Apps have become a major force in commerce. The 2023 total app spending was $170 million, an increase of 19% over the previous year. 8 7 percent of time spent by users on mobile devices. Many apps require purchase, unlike websites that can be used for free.

Faster load times are especially significant, considering that 4040.4 % of users spend more on a company’s website after downloading the e-commerce app.

Apps can also reach an untapped market. Websites reach many people beyond the curious. Apps are more useful for customers who want richer and more interactive content. Apps are more popular with younger users twice as often than those older than 45. This is a significant market share that you cannot afford to ignore.

Small businesses often find it difficult to hire someone to develop mobile apps. There’s an alternative solution in these cases.

Get The Progressive Web App

PWAs may not be the best choice for every small business. It all depends on whether an app will use the native functionality of the device. PWAs cannot access the device’s Bluetooth connection and camera. Native apps, however, can. A native app might be better if you require extra security or very fast speed.

It seems obvious that small- and medium-sized business leaders would be eager to create their own software, given the benefits of apps and the introduction of PWAs. Sometimes, however, it can be hard to find a good developer. Even if you do manage to find one, the fees might be too steep for your budget.

Business owners have the option of a no-code solution that will get the job done quickly and without spending a fortune.

Three Tips to Get Started with No-Code Applications

These are the steps to follow before you dive into creating a no-code application.

1. Make Sure You Know Exactly What Features Your App Needs

Every project is worth planning carefully, even development without code. You should consider the features that you will need to build your apps. These include a drag-and-drop design interface, database integration and reporting, analytics and reporting, scheduling capabilities, and e-commerce functions. Templates are the best way to quickly build apps visually and intuitively.

2. Select The Best No-Code App Creator

For price transparency, make sure you check the website of a platform. Do you think the platform can scale with your business? Are the updates regular? Which companies have successfully used the platform? These questions will help you assess the platform’s suitability over time.

Look for no-code platforms that provide the features you have identified in the previous steps when choosing an app builder. This will help you decide if you require a native app, such as when you have to access certain device functionality that a PWA cannot.

Lightroom Cc Training (4+ Hours Of Video Tutorials, Online Certification)

About Lightroom CC Training

Further details are provided below.

Course Name Online Lightroom CC Training

Deal You get access to all videos for the lifetime

Hours 2+ Video Hours

Core Coverage Learn how to use Adobe Lightroom features, effects and functions to make pictures look amazing.

Course Validity Lifetime Access

Eligibility Anyone serious about learning photo editing

Pre-Requisites None

What do you get? Certificate of Completion for the course

Certification Type Course Completion Certificates

Verifiable Certificates? Yes, you get verifiable certificates for each1 course, Projects with a unique link. These link can be included in your resume/Linkedin profile to showcase your enhanced skills

Type of Training Video Course – Self Paced Learning

Software Required None

System Requirement 1 GB RAM or higher

Other Requirement Speaker / Headphone

Lightroom CC Training Curriculum

SR. No. Course Name Course Description

1 Adobe Lightroom The 3rd chapter is based on Face Corrections. As the name itself says, the chapter helps the user to learn the various aspects of Human face editing such as skin coloring, color-enhancing, and others. We will learn how to reduce blemishes on the face and enhance the overall look of the photograph. At the end of the chapter, we also learn how to clear the fog and water images with the help of Adobe Lightroom.

Lightroom CC Training – Certificate of Completion

What is Lightroom CC?

Adobe Lightroom is Non-destructive software in nature. This special feature of the program helps the user to play and edit the images with an unlimited number of times. The original images are left untouched and the editing is done only on the backup files. Lightroom has a feature of storing the backup files and the data is stored as XMP files.

Adobe Lightroom focuses on the editing of the RAW images and helps the user to control adjustments such as brightness and contrast, exposure, hue/saturation, and other properties on the Raw files itself. Lightroom is a global program that works on the editing of the whole of the image while Photoshop is different software that works on the pixels and minimal details of the image.

Which Skills will you learn in this Training

This Lightroom CC Course is designed for every image editor and photographer whether beginner or an experienced. The course will provide practical and theoretical techniques and examples of how to edit and manipulate raw images and a group of images simultaneously. The course will help the learners to understand the workflow and interface of the program with much ease and simpler lessons provided in the training.

Editing and manipulating images on Adobe Lightroom is not easy work to perform for beginners as Lightroom may be a beginner program but still, it has so many functions and tools that make the program huge. So, this training will help the learners and students learn the skills required to edit images on the program with a lot of examples and methods.

With this training in hand, the users will learn skills required for image editings such as face corrections, color corrections, Human skin corrections, workspace and interface of the program, and many more similar skills.

Pre-requisites

The user must know how to use either Windows or Mac Operating System.

A 2GB RAM Operating system will be enough to work on Adobe Lightroom.

A passion to learn the software is also required to master the program

Creative imagination and ideas are also required to get a good understand of the program.

Basic knowledge about the image editing tools and basic functions may prove beneficial to the learners.

Image editing requires a lot of patience and hard work. So, the user is expected to have all the traits to learn the program quickly and easily.

Target Audience

Beginners and professionals both can take up this training to help them get the basic knowledge about the program.

Students who are interested to go for graphic designing courses may take up this training.

Photographers who are keen to learn the basics of image editing such as color corrections or tools that help in adjusting the photos may take up this Lightroom CC Training.

Lightroom CC Training – FAQ’s I am a student of photography. Will this Lightroom CC course benefit me in any way?

Yes. Of course, students who are learning Photography may require Adobe Lightroom at some point of time in their career. Lightroom will help you to understand the basics of image corrections and retouching tools with the RAW images as well. If you are learning photography then I would suggest you to necessarily go for this training as it will benefit you to a huge extent in the future as well.

I know how to work on GIMP and other open-source image editing programs. Is this program beneficial for me?

Well, I would say that it will only benefit you rather than doing any loss to your skills. Till now, you have only studied and worked with open source programs of image editing. The open-source programs don’t offer many editing tools and are limited by their functions and effects. While, if you go with this training about Lightroom CC, you will learn the program that has a lot of things to offer more than what you have studied till now.

This training will only add skills and will enable you to look at the image editing process with a different perspective altogether. Lightroom is a simpler program or a simpler version of Photoshop whereas Lightroom focuses on the global image and Photoshop focuses on the pixels of the image.

Sample Preview

Career Benefits

Adobe Lightroom CC Training has a lot of benefits and things to offer to the learners. Whether students or experienced, beginners or professionals this course will add more skills and capabilities in the students who take up this Lightroom CC Training. Adobe Lightroom may prove to be the 1

a step towards learning image editing with image manipulations and properly organizing images using this program.

The Lightroom CC Course is designed in a proper way of keeping the beginners in mind and their capabilities of understanding the program. The training includes examples and methods that will help the learners to learn the fundamental methods of graphic designing and image editing.

Using this Lightroom CC Training, the learners will have the full capacity to choose from vast career paths. They can become Graphic designers, image editors, photographs, art directors, video editors, 2D artists, and many more future paths.

Reviews

Adobe Lightroom

It’s a course of EDUCBA in which you can learn the basic functions of Adobe Lightroom. You will see 10 videos that will teach you how to use all the basic tools that the user can find in the UI of this photography program. The videos teach you how to manipulate and edit color, contrast, and filters in photos that you will make in real life. Skin correction, color correction, and the selection and how to give a personal look to your photos.

Linked

Mateo Felipe Ahumada

Great Refresher

This was a really good refresher on Lightroom. If you are new to lightroom I recommend you take this course as it will show you all the tools in detail and how to use them in different situations. He showed comparisons very well and communicated the audience very well. It compelled me to engage in fixing pictures while watching and following along.

Linked

Daniel Gunning

Can The Us$3.5 Billion Terra Reserve Help Ust Gain Value From Zero?

Terra has failed its investors, but we are hoping the creators won’t fail the crypto itself!

Terra, the protocol behind the UST token has lost over 95% of the investors’ wealth after it declined by almost 99%. There has been enormous selling pressure on Terra LUNA as investors are losing faith in crypto. Several crypto exchanges have extended support facilities to alleviate the arbitrage opportunities and finally end the sell-off season for LUNA. Like crypto exchanges, Binance stopped Terra withdrawals from its exchange network. The developers are coming up with various types of solutions that can help Terra retain its lost value. Terra developers have suggested that token burn would be one of the best ways to increase the value of LUNA in these volatile times. Earlier this, the Terra Founder created another strategy that involved using US$3.5 billion worth of Bitcoin as Terra reserve to help surge the value of UST. While it’s clear that Terra’s price dive caused huge financial for crypto investors, there is quite a little information as to how this Terra reserve plan turned out and what actually happened to the reserve. Crypto experts say that it is quite vital for Terra investors to make out the process of using Terra reserve for uplifting UST. Do Kwon, the Terra Founder said earlier tweeted that using US$3.5 billion worth of Bitcoin qs Terra reserve would help them re-establish UST and investors would soon come to know about the entire procedure. But unfortunately, the entire process has been quite obscure and LUNA developers are also not quite forthcoming about their current moves. The most critical part of this plan was its implementation. But if there is no implementation, then how will Terra regain its profits? Will burning LUNA tokens be enough for UST to stabilize to its peg? Currently, Terra is in quite a volatile state, and establishing UST from its zero value would require much work and development plans from its creators. But it also needs to regain the lost trust of the investors. Coming out and being transparent might be the first step that the Terra Founder should consider before making any further plans.