teleren/devto huggingface dataset:
Deploy Teleport on a Linux ubuntu Server
Tags: teleport, opensource
Published: 2024-02-12 08:13:18


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ykve23afyblsfsx1rkmd.jpg)## Deploying Teleport on a Linux Ubuntu Server: A Step-by-Step Guide

**Introduction:**
Teleport is an open-source platform designed to secure and manage access to infrastructure. In this guide, we'll walk through the process of deploying Teleport on a Linux Ubuntu Server. By the end of this tutorial, you'll have a robust access management solution for your infrastructure.

**Prerequisites:**
Before we begin, make sure you have the following:

A Linux Ubuntu Server (18.04 LTS or later).
SSH access to your server with sudo privileges.
A domain or subdomain pointing to your server's IP address.
Step 1: Update and Upgrade Packages
Ensure that your server is up to date by running the following commands:

```bash
sudo apt update
sudo apt upgrade
```
**Step 2: Install Docker and Docker Compose**
Teleport relies on Docker, so let's install it along with Docker Compose:

```bash
sudo apt install docker.io docker-compose
```
**Start and enable the Docker service:**

```bash
sudo systemctl start docker
sudo systemctl enable docker
```
**Step 3: Create Teleport Configuration**
Create a directory to store your Teleport configuration:

```bash
sudo mkdir -p /etc/teleport
```
Now, create a teleport.yaml configuration file. You can use a text editor of your choice:

```bash
sudo nano /etc/teleport/teleport.yaml
```
Copy and paste the following example, replacing <your_domain> with your actual domain:

```yaml

teleport:
  nodename: teleport-node
  data_dir: /var/lib/teleport
  ca_pin: ""
auth_service:
  enabled: "yes"
  listen_addr: 0.0.0.0:3025
  tokens: ["<your_secure_token>"]
  cluster_name: "<your_cluster_name>"
  authentication:
    oidc_connectors: []
ssh_service:
  enabled: "yes"
  listen_addr: 0.0.0.0:3022
  labels:
    env: "prod"
proxy_service:
  enabled: "yes"
  listen_addr: 0.0.0.0:3023
  web_listen_addr: 0.0.0.0:3080
  tunnel_listen_addr: 0.0.0.0:3024
  public_addr: "<your_domain>:3080"
```
Save and exit the text editor.

**Step 4: Deploy Teleport**
Use Docker Compose to deploy Teleport:

```bash
sudo docker-compose up -d
```
Teleport should now be running on your server.

**Step 5: Access the Teleport Dashboard**
Open your web browser and navigate to https://<your_domain>:3080. You'll be prompted to log in with the token specified in the configuration file.

Congratulations! You've successfully deployed Teleport on your Linux Ubuntu Server. This powerful tool provides secure access to your infrastructure, making it easier to manage and control user permissions.


```
sudo curl https://apt.releases.teleport.dev/gpg \
-o /usr/share/keyrings/teleport-archive-keyring.asc
source /etc/os-release
echo "deb [signed-by=/usr/share/keyrings/teleport-archive-keyring.asc] \
https://apt.releases.teleport.dev/${ID?} ${VERSION_CODENAME?} stable/v12" \
| sudo tee /etc/apt/sources.list.d/teleport.list > /dev/null

sudo apt-get update
sudo apt-get install teleport
```
SQL Column Deletion Techniques
Tags: sql, delete
Published: 2024-02-12 08:00:00

The guide "[Deleting a Column in SQL: Everything You Need to Know](https://www.dbvis.com/thetable/deleting-a-column-in-sql/)” is a must-read for developers focusing on database management and development. This detailed guide provides a deep dive into the SQL column deletion process across various DBMS technologies, highlighting its significance in development practices.

The article outlines the fundamental aspects of deleting columns in SQL, presenting the `DROP COLUMN` command within the `ALTER TABLE` query's context. It offers specific syntax examples for MySQL, PostgreSQL, Microsoft SQL Server, and Oracle Database, catering to developers working across different environments. The guide also addresses the irreversible nature of column deletion, discussing its impacts on data integrity, table schema, and application functionality.

Special attention is given to practical demonstrations using [DbVisualizer](https://www.dbvis.com/), showcasing how developers can leverage this tool for effective database management and troubleshooting. Through these examples, readers gain insights into optimizing their database operations and ensuring smooth development workflows. The original article is covering SQL operations such as:

- Dropping vs. Deleting a Column: Explains the synonymous use of these terms in SQL, focusing on the practical implications for developers.
- Logical vs. Physical Deletion: Differentiates between methods of data removal, highlighting considerations for application development.
- Deleting Multiple Columns: Provides guidance on efficiently removing multiple columns in a single operation, a valuable skill for schema optimization.
- Error Handling for Non-Existent Columns: Offers advice on managing errors when attempting to delete columns that do not exist, reinforcing the importance of accurate database knowledge.

## Summary

For developers seeking to refine their database management skills, "[Deleting a Column in SQL: Everything You Need to Know](https://www.dbvis.com/thetable/deleting-a-column-in-sql/)” is a valuable resource. The expert guidance illuminates the complexities of column deletion, empowering readers with the knowledge to navigate this critical operation with confidence.
Font Awesome 5 use social/brand icons in React
Published: 2024-02-12 07:59:56

`npm i --save @fortawesome/fontawesome-svg-core
npm install --save @fortawesome/free-solid-svg-icons
npm i --save @fortawesome/free-brands-svg-icons 
npm install --save @fortawesome/react-fontawesome`

```
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import {  faFacebookF , } from '@fortawesome/free-brands-svg-icons';
```

```
<FontAwesomeIcon icon={faFacebookF} />
```
Unleashing the Power of Progressive Enhancement in Web Development
Published: 2024-02-12 07:56:38

Hey Dev Community!

Today, let's dive into an exciting concept in web development that's gaining traction – Progressive Enhancement!

🚀 What is Progressive Enhancement?
Progressive Enhancement is an approach to web design and development that starts with a basic but functional website and then adds layers of enhancements to provide a better experience for users with more advanced browsers or devices. Essentially, it ensures that everyone can access the core content and functionality of a website, regardless of their device or browser capabilities.

💡 How does it work?
Think of Progressive Enhancement like building a house. You start with a strong foundation (the basic HTML structure and content) and then gradually add layers (CSS for styling, JavaScript for interactivity) to enhance the experience. This way, even if someone's browser or device doesn't support fancy features like animations or complex layouts, they can still access the essential content and functionality.

🌐 Why is it important?
Progressive Enhancement is crucial for creating inclusive and accessible web experiences. It ensures that your website is usable by as many people as possible, including those with older browsers, slower internet connections, or disabilities. Plus, it's future-friendly – as new technologies emerge, you can easily add enhancements without breaking the core functionality.

🛠️ Tips for implementing Progressive Enhancement:

Start with semantic HTML: Use meaningful tags to structure your content, making it accessible to all users, including screen readers.
Layer on CSS: Add styles to improve the look and feel of your website, but make sure it remains usable without them.
Enhance with JavaScript: Add interactive elements and extra functionality, but ensure they degrade gracefully for users with JavaScript disabled.
Test across different devices and browsers: Make sure your website works well across a range of devices, browsers, and screen sizes.
🌟 Conclusion:
Progressive Enhancement is not just a buzzword – it's a fundamental principle of web development that ensures inclusivity, accessibility, and future-proofing. By embracing Progressive Enhancement, we can create better web experiences for everyone, regardless of their technological limitations.

So, let's embrace the power of Progressive Enhancement and build a web that's accessible to all!

Happy coding! 🎉

Feel free to share your thoughts and experiences with Progressive Enhancement in the comments below!
Tech roles which are out there
Tags: software, coding, programming, career
Published: 2024-02-12 07:49:32

There are many tech roles and jobs out there, lets talk about all the different tech domains and roles that one can choose from, here are some:

- Full Stack Developer
- Frontend developer
- Data analyst
- Data scientist
- Database administrator
- Project Manager
- Product Manager
- Mobile app developer
- Android developer
- iOS developer
- Web developer
- Backend developer
- Desktop app developer
- No code app developer
- Low code app developer
- Devops professionals
- Manual testers
- Automation testers
- UI/UX designers
- Graphic designers
- Salesforce admins
- AR developers
- VR developers
- Game developers
- Cybersecurity professionals
- AI engineers
- Prompt engineers
- Computer science tutors
- Computer science teachers
- Computer science researchers
- Computer science professors
- Developer advocate

Did I miss any? Let us know in the comments!
5 Ways Magento 2 SMTP Extension Can Boost Your Email Marketing
Tags: webdev, programming, smtp, magento2smtp
Published: 2024-02-12 07:46:11

Email marketing is one of the most essential channels for any e-commerce business. It allows you to stay in touch with your customers, promote your products, and drive sales. However, if your emails are not getting delivered or are ending up in the spam folder, your marketing efforts will be in vain.

This is where a [Magento 2 SMTP extension](https://store.webkul.com/magento2-smtp-extension.html) can help. An SMTP extension can improve your email deliverability, ensuring that your emails reach your customers' inboxes. This can lead to a significant boost in your email marketing results.

## Here are five ways a Magento 2 SMTP extension can boost your email marketing:

1.  **Improved email deliverability:** An SMTP extension can help improve your email deliverability by ensuring that your emails are sent through a reputable SMTP server. This can help to reduce the chances of your emails being flagged as spam or ending up in the junk folder.
2.  **Increased customer engagement:** When your emails are delivered to your customers' inboxes, they are more likely to be opened and read. This [Magento 2 Plugin](https://store.webkul.com/Magento-2.html) can lead to increased customer engagement and a higher ROI for your email marketing efforts.
3.  **Improved brand reputation:** A high email deliverability rate can help to improve your brand reputation. When customers know that your emails will reach them, they are more likely to trust your brand and do business with you.
4.  **Increased sales:** A boost in email deliverability and engagement can lead to increased sales. When your emails are getting through to your customers and they are opening and reading them, you are more likely to generate leads and drive sales.
5.  **Better customer service:** An SMTP extension can also help to improve your customer service. When customers can receive your emails, they are more likely to be able to get the help and support they need. This can lead to improved customer satisfaction and loyalty.

## Conclusion:

If you are looking to boost your email marketing results, a [Magento 2 SMTP](https://store.webkul.com/magento2-smtp-extension.html) extension is a valuable investment. By improving your email deliverability and engagement, you can reach more customers and drive more sales. That's all for the Magento 2 SMTP extension. If you still have any problems, you can [hire Magento 2 developers](https://webkul.com/hire-magento-developers/).


**For more clarification, you can visit:** [https://webkul.com/blog/smtp-configurator-magento2/](https://webkul.com/blog/smtp-configurator-magento2/)
IOT security
Tags: iot, security, ethicalhacking, programming
Published: 2024-02-12 07:43:52

IoT security is a critical aspect of information security and cyber security because IoT devices often collect and transmit sensitive data, and any vulnerabilities in these devices can lead to severe consequences. Here are some key points related to IoT security:

Device Security: IoT devices should have robust security features, including strong authentication mechanisms, encryption protocols, and regular security updates. Manufacturers must ensure that default passwords are not easily guessable and that devices are resistant to tampering and physical attacks.

Data Protection: Data generated and transmitted by IoT devices should be encrypted to prevent unauthorized access and tampering. Proper data handling procedures should be followed to safeguard sensitive information.

Network Security: Secure communication protocols and encryption should be used to protect data in transit between IoT devices and backend systems. Additionally, network segmentation can isolate IoT devices from critical systems, limiting the potential impact of a compromised device.

Over-the-Air Updates: IoT devices should support over-the-air (OTA) updates, allowing manufacturers to patch vulnerabilities and improve security without requiring physical access to the devices.

Identity and Access Management (IAM): Proper IAM practices should be implemented to manage user access to IoT devices and ensure that only authorized users can control or interact with them.

Security Testing: Regular security assessments, penetration testing, and vulnerability scanning should be conducted to identify and address potential weaknesses in IoT devices and systems.

Physical Security: Physical security measures are essential to prevent unauthorized access or tampering with IoT devices, especially in critical infrastructures.

Privacy Considerations: IoT devices often collect personal data, and privacy regulations must be adhered to when handling such data. User consent and transparency are essential aspects of IoT privacy.

Security Awareness: Users and administrators should be educated about IoT security risks and best practices to avoid common pitfalls and prevent security breaches.

Lifecycle Management: IoT devices should be managed throughout their entire lifecycle, including secure decommissioning and disposal when they are no longer in use.
Perbandingan slot Olympus tergacor 2024 dengan produk lainnya
Published: 2024-02-12 07:42:17

Slot Olympus tergacor 2024 adalah salah satu dari banyak slot yang tersedia di pasaran saat ini. Namun, apa yang membuatnya berbeda dari produk serupa lainnya? Berikut adalah perbandingan antara Olympus tergacor 2024 dan produk serupa lainnya:

Grafis dan animasi: Olympus tergacor 2024 menawarkan grafis yang memukau dan animasi yang mengagumkan. Setiap detil dari dunia Olympus ditampilkan dengan indah di layar Anda. Produk serupa mungkin memiliki grafis yang kurang menarik atau animasi yang kurang mengesankan.

Fitur bonus: Olympus tergacor 2024 menawarkan berbagai fitur bonus yang menarik. Misalnya, ada putaran bonus gratis yang dapat Anda aktivasi dengan mendapatkan simbol tertentu di gulungan. Produk serupa mungkin tidak menawarkan fitur bonus yang sebanyak itu.
Peluang menang: Olympus tergacor 2024 menawarkan peluang menang yang melimpah. Dengan kombinasi simbol yang menguntungkan dan putaran bonus yang menggoda, setiap taruhan memiliki potensi untuk menghasilkan hadiah besar. Produk serupa mungkin memiliki peluang menang yang lebih rendah.

Meski ada beberapa perbedaan antara Olympus tergacor 2024 dan produk serupa lainnya, tidak ada yang dapat menandingi pengalaman bermain yang ditawarkan oleh Olympus tergacor 2024. Dengan grafis yang memukau, fitur-fitur bonus yang mengasyikkan, dan peluang menang yang melimpah, Olympus tergacor 2024 adalah pilihan yang sempurna untuk para penggemar slot.

Link untuk bermain game olympus slot:
- [Horibet](https://silesia-online.com/)
- [Untungbet](https://lahanparkir.com/)
- [Laksanatoto](https://laksanatotoalternatif.com)
- [Kuyabet](https://kuyabetalternatif.com)
Rainbow text with CSS
Tags: css, design, frontend, webdev
Published: 2024-02-12 07:39:18


Some designers can not get enough of colors and want the text not to be in solid color but rainbow colors. Traditionally developers achieve this by using a PNG image, something like this:


![Rainbow colored text](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/srmfgbb2dl4746tgkrwi.png)


But with modern day CSS, this can be achieved with just few CSS rules. 

### How
1. Create a Div
2. Add some text
3. Add some basic styling like `font-size`, `line-height` etc.
4. Add a background color `background: linear-gradient(45deg, red, orange, yellow, green, blue, indigo, violet, red);`: Rainbow 🌈 
5. Add this property to the div `background-clip: text`: This makes sure the background is only used for the available text
6. Add `color: transparent`: This makes sure that the clipped background on text is completely visible.
7. That's it 😎

#### Code
```CSS
.rainbow-text {
   background: linear-gradient(45deg, red, orange, yellow, green, blue, indigo, violet, red);
   background-clip: text;
   color: transparent;
   font-size: 40px;
}
```

#### DEMO
https://itsopensource.com/rainbow-text/#:~:text=DEMO

Hope this helps 😊
Open source development interest
Published: 2024-02-12 07:37:05

Hello everyone!
I'm a passionate developer who sought to invest in open source contribution. So, I've learned how to contribute through posting questions/answers on GitHub, issues and pull requests, reporting bugs ...
For now, I would be glad if someone could teach me how, when and where the responsible committee (or whatever, and who these persons are ???) do manage versioning . I.e what features will following minor/major version consists of, what pull request/issue fixing/bug fix/patch or whatever should be validated or not, ... I've looked for these topics on various open source projects documentations but to no avail.
My question pertain to open source projects in general. Thank you very much all. Have a nice day.
How to Make Gantt Chart in Excel | Gantt Charts In Excel | Gantt Chart Excel | Gantt Chart
Published: 2024-02-12 07:32:43





Your chart will initially look like a bar chart with all bars stacked on top of each other.
Right-click on the chart and select "Select Data."
Click on "Add" to add a new series. For the "Series values," select the Duration column. For the "Axis Labels," select the Task Name column.
Adjust dates on the chart:

Your chart may not have the correct date format on the horizontal axis. Right-click on the dates and choose "Format Axis." Set the date format according to your preference.
Format the bars:

Format the bars to make them visually representative of the project tasks. You can change the color, adjust the bar width, and add borders.
How to fit the page size of ssrs report to pdf to avoid the report column breaks into multiple pages
Published: 2024-02-12 07:20:47

1) open your ssrs report
    

![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/q4f5qrs4nkrp5gsarq6r.png)


2) create your dataset and tables


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/751nxi2a5ixbkvxtd1yz.png)


3) click on the report properties. you just need to click on the white pane as shown in the image to take the report properties


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/fv8rl4ptrqlvfsvbslv7.png)


4)make sure your properties check box is checked . other wise the properties won't show up


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/8jemzcaofjyifx88z2ul.png)


5)report properties will pop up like below


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/gphxpme70ocwnjeuibbw.png)


6) as you can see  the size option will show the report size . you need to note the width only here


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/uji33emk4o2eop2rkc24.png)


7)here the width is around 15.86 i will add one and make it 16.86 which is around 16.9. take a note on this 


8)next you need to select page properties by clicking space outer the table as i marked in blue tick


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/ajd2n8u3gbrr3oqm4fgb.png)


9)the below property window will pop up


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/lqrnhih2xybt5v5raxh9.png)


10)make the interactive size and page size width to 16.9 as i mentioned above and margins to 0.5 in as shown in the image


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/qzzxomkhdjwhbd21uyrh.png)

11)please note if the given size did not work, then increase the value by 1 and try until your page fits the size


now your report is all set to fit to the adf pages!!!!!!!!!!
The differences between req.params, req.query, and req.body in Express.js & Node.js
Tags: javascript, express, node, api
Published: 2024-02-12 07:16:51

In this article, I’ll cover the fundamentals of Express & Node.js
 in regards to **req.params, req.query, and req.body**. When we discuss how websites operate, we often mention terms like “request” and “response.” A “request” is what a user asks for, and the “response” is what the server sends back.

In Node.js programming, we handle requests and responses manually, even with frameworks like Express.js. Here’s how the server communication works:

1. We start by calling the web server provided by Node.js.

2. We read the URL the user wants to visit and decide how to handle it.

3. We process the request from the user.

4. We send back a response to the user.

Essentially, both parameters (request and response) come from http.createServer, an HTTP server provided by Node.js that handles web communication (request and response). When http.createServer is executed upon a request, it provides two parameters:

request, which is an instance of http.IncomingMessage, representing the HTTP Request sent by the user. A single connection can generate multiple HTTP Requests. We'll get more into this later.

response, an instance of http.ServerResponse, representing the HTTP Response that will be sent back to the user.
When we make a request (request), we sometimes want to either request data from the server or send data to the server, whether through a URL or a form (HTML). In this article, we’ll discuss sending and retrieving values sent via requests.

`req.query`: When data is sent through a URL, like `http://localhost:3000/search?name=John&age=45`, we can retrieve that data in our Node.js/Express code like this:

```
router.get('/search', function(req, res, next) {
var name = req.query.name;
console.log(`Name: ${name}`)
var age = req.query.age;
console.log(`Age: ${age}`)
res.send('Request has been parsed, see console');
```

2. `req.params`: If data is sent directly in the URL without keys, like `http://localhost:3000/search/John/45`, we can get it like this:

```
router.get('/search/:name/:age', function(req, res, next) {
var name = req.params.name;
console.log(`Name: ${name}`)
var age = req.params.age;
console.log(`Age: ${age}`)
res.send('Request has been parsed, see console');
});
```
3. `req.body`: When data is sent through an HTML form, we use `req.body`. We first need to use the `body-parser` library to handle this data. Here’s how:

```
// Calling the library
var bodyParser = require('body-parser');
// Using the library in Express
app.use(bodyParser.urlencoded({ extended: false }))
app.use(bodyParser.json())
```

Then, we can get the data from the form this way:

```
router.post('/search', function(req, res, next) {
var name = req.body.name;
console.log(`Name: ${name}`)
var age = req.body.age;
console.log(`Age: ${age}`)
res.send('Request has been parsed, see console');
});
```

That’s it! That’s how we handle data sent through URLs and HTML forms in Node.js.