teleren/devto huggingface dataset:
Fix Unable to negotiate with host port 22: no matching MAC found
Published: 2023-10-16 12:01:31

The error "Unable to negotiate with host port 22: no matching MAC found. Their offer: hmac-sha2-512,hmac-sha2-256" indicates that there's a mismatch in the MAC (Message Authentication Code) algorithms 
supported by the client and the server during an SSH connection attempt.

In this article, we will share how to check to fix this issue.

## Checking Supported MAC Algorithms in SSH Client and Server

To check the MAC (Message Authentication Code) algorithms supported by your SSH client or server, you can use the `ssh` command for the client and the `sshd` command for the server. Here's how to do it:

1. SSH Client: To see the MAC algorithms that the SSH client supports:

   
`   ssh -Q mac
`   

2. SSH Server: To see the MAC algorithms that the SSH server (`sshd`) supports:

   
`   sshd -T | grep macs
`   

   Alternatively, you can use:

   
`   sshd -T | grep -i macs
`   

   This command will display the current MACs configuration from `sshd_config`. If you haven't specifically set this, it will display the defaults.

After running these commands, you'll get a list of supported MAC algorithms. You can then compare and configure both the client and the server to ensure they have common algorithms for a successful connection.

For detailed steps to fix no matching MAC found issue on Linux, you can refer to this article:
[https://www.howtouselinux.com/post/fix-unable-to-negotiate-with-host-port-22-no-matching-mac-found-in-linux](https://www.howtouselinux.com/post/fix-unable-to-negotiate-with-host-port-22-no-matching-mac-found-in-linux)

[Follow us on Google News to get the latest Linux skills.](https://news.google.com/publications/CAAqBwgKMOaltAsw88DLAw?hl=en-US&gl=US&ceid=US%3Aen)
{% embed https://news.google.com/publications/CAAqBwgKMOaltAsw88DLAw?hl=en-US&gl=US&ceid=US%3Aen %}
Golang Notes - 5
Published: 2023-10-16 11:57:48


**Constants**

fixed -unchanging- values

should be initialize with a value


```
const pi float64 = 3.14 // typed constant
const e = 2.71 // untyped constant
```



default value assignment grouped constants

```
const (
	max1 = 1
	max2
	max3
)
fmt.Println(max1, max2, max3)
// 1 1 1
```

**Constant Rules**

- can not change after initialization
- can not initialize at runtime

`const x = math.Pow(2,3)`

however can use builtin function available at compile time
```
const lenH = len("h")
```
string literals unnamed constants
`Unnamed constants are all boolean, numeric and string values.`


- can not use variable to initialize
```
s := 3
const S = s // not works
```

**Constant Expression**
```
const somestr = "some" + "str"
const someBool = 5 < 7
```

initializing constant by
multiplying typed constants not works
```
const x int = 3
const y float64 = 2.1 * x  // Not works
```
however it works with untyped constants
```
const x = 3
const y float64 = 2.1 * x  // works
```

- can not declare constants of type array
ONLY boolean constants, rune constants, integer constants, floating-point constants, complex constants, and string constants.

```
const x = [2]int{1, 2} // not valid
const y [2]int = {4, 3} // not valid
```
**IOTA**

constant increasing sequences


```
const (
	m1 = iota
	m2 = iota
	m3 = iota
)
```
same with following

```
const (
	m1 = iota
	m2
	m3
)

fmt.Println(m1, m2, m3)
// 0 1 2
```

multiply by 2
```
const (
	m1 = iota * 2
	m2
	m3
)

fmt.Println(m1, m2, m3)
// 0 2 4
```

using blank identifier
```
const (
		m1 = -iota - 3 // -3
		_  // -4
		m2 // -5
		m3 // -6
)

fmt.Println(m1, m2, m3)
```
Why did you enter the developer ecosystem?
Tags: watercooler, discuss
Published: 2023-10-16 11:57:22


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/o9j4gbf30krs4tso4du2.jpg)

When I joined, some 20+ years ago, it was all about fun, experimenting with technology, creating products on those new gadgets, and writing moving things over the internet <blink></blink>.

Now, it's different. What drove you to [programming, web development, ...], and where do you think the fun is?
JavaScript regular expression encryption
Tags: webdev, javascript, regular, expressions
Published: 2023-10-16 11:43:07

## Can regular expressions be encrypted?
Yes, you can. At least it can be confirmed that it is possible in JavaScript programming.

## What is the use of regular expression encryption?
You can hide some important and private string contents, making the logic and secrets of the code less vulnerable to prying eyes.

Regular expression encryption example

## Example

> var reg = new RegExp("hello","g");

After being encrypted by JShaman JavaScript Obfuscator, this line of JS code can become the following form.

> var reg=new RegExp("\u0068\u0065\u006c\u006c\u006f","\u0067");

Or

> var _0x73d8bg=["hello","g"];var reg=new RegExp(_0x73d8bg[0],_0x73d8bg[1]);

Or

> var _0xf=["97.108.101.101.102.","110."];function _0x3c(str,dy_key){dy_key=9;var i,k,str2="";k=str.split(".");for(i=0;i<k.length-1;i++){str2+=String.fromCharCode(k[i]^dy_key);}return str2;}var reg=new RegExp(_0x3c(_0xf[0]),_0x3c(_0xf[1]));

"Literal" form regular expressions cannot be directly encrypted However, there are two ways to write regular expressions. The one above demonstrates the "constructor" method, and there is also a "literal" method. For example: var reg = /hello/g; Regular expressions defined in "literal" form cannot be directly encrypted.

In practical programming, it is inevitable to use regular expressions in "literal" form. How to achieve unified encryption of regular expressions that can handle both "constructor" and "literal" methods? There is indeed a way, which is to convert the "literal" form into "constructor" form.

**convert the "word-count" regular expression to a "constructor function"**
Of course, it's not manual modification, which is too inconvenient. Below is an example code that converts a literal regular expression to a constructor function in Node.js.

```
const parser = require('@babel/parser')
const traverse = require('@babel/traverse').default
const generator = require('@babel/generator').default
var types = require('@babel/types'); 

var js_code = `
function a(){
	var reg1 = /hello/g;
	var reg2 = new RegExp("hello","g");
}
`

var ast = parser.parse(js_code) 

traverse(ast, {
	RegExpLiteral(path){
		//console.log(path.node.pattern, path.node.flags);
		console.log(generator(path.node).code);
		
		var pattern = path.node.pattern;
		var flags = path.node.flags;
		var new_expression = types.newExpression(
			types.identifier("RegExp"),
			[types.stringLiteral(pattern),types.stringLiteral(flags)]
		)
		path.replaceWith(new_expression);
	}
})

console.log(generator(ast).code);

```

## Technical principle
Convert JS code into an AST (Abstract Syntax Tree), detect regular expressions in literal form from the AST, convert them into constructor form, and finally convert the AST back into JS code.

In this way, the transformed Cada format can be uniformly obfuscated and encrypted.
How Powerful AutoGen is Reshaping LLM
Tags: datascience, machinelearning, ai, programming
Published: 2023-10-16 11:28:51


![autogen](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/i3iu3guod6x9upry0l9o.png)
What is AutoGen ?
Autogen Microsoft is a project by Microsoft that allows you to create as many autonomous agents as you want and have them work together to do things. It’s a framework that allows agents, which will be described later, to talk to each other and solve tasks. It’s flexible and lets people make changes while using different tools.

What is AutoGen ?
1. Set up your environment
Initial Setting
troubleshooting
Conclusion

Full article on My [Page](https://quickaitutorial.com/how-powerful-autogen-is-reshaping-llm/)
GPTCoder - A VS Code Extension
Tags: vscode, development, tooling
Published: 2023-10-16 11:25:06

# 🤖 GPTCoder - A VS Code Extension

I just published my first Visual Studio Code extension and it's fantastic!

GPTCoder is a powerful VS Code extension that harnesses the power of OpenAI's GPT models to help you write code more efficiently. With GPTCoder, you can generate code based on a prompt and a stack of code snippets.

![Image of GPTCoder in action](https://cdn.designly.biz/blog_files/gptcoder-a-vs-code-extension/image1.jpg)

## Features

- Generate code snippets based on a prompt and a stack of code snippets
- Add code snippets to the stack from your active editor
- Clear the stack and start fresh
- Save and retrieve your settings, including your OpenAI API key and model
- Open the settings JSON file directly from the extension
- Works with all OpenAI chat models

## How to Use GPTCoder

1. Install the GPTCoder extension in Visual Studio Code.
2. Open the GPTCoder webview by clicking on the GPTCoder icon in the sidebar.
3. Add code snippets to the stack by selecting code in the editor and clicking the "Add selection to Stack" button.
4. Write a prompt in the prompt input box. This prompt will guide the code generation process.
5. Click the "Generate" button to generate code based on the prompt and the code snippets in the stack.
6. The generated code will be displayed in the webview and opened in a new editor tab.

## Settings

You can customize GPTCoder's behavior by modifying the settings. To access the settings, click the "Settings" button in the webview. The settings panel allows you to set your OpenAI API key and choose the GPT model to use for code generation.

## Feedback

We would love to hear your feedback on GPTCoder! If you have any suggestions or encounter any issues, please don't hesitate to reach out to us.

Happy coding with 🤖GPTCoder!

- [Extension Download Page](https://marketplace.visualstudio.com/items?itemName=Designly.gptcoder)
- [Website](https://gptcoder.vercel.app/)
- [Github Repo](https://github.com/designly1/gptcoder)


{% embed https://www.youtube.com/embed/w-AMw1P7-bc?si=zv2bZKh48nykR4tK %}

---

Thank you for taking the time to read my article and I hope you found it useful (or at the very least, mildly entertaining). For more great information about web dev, systems administration and cloud computing, please read the [Designly Blog](https://blog.designly.biz). Also, please leave your comments! I love to hear thoughts from my readers.

If you want to support me, please follow me on [Spotify](https://open.spotify.com/album/2fq9S51ULwPmRM6EdCJAaJ?si=USeZDsmYSKSaGpcrSJJsGg)!

Looking for a web developer? I'm available for hire! To inquire, please fill out a [contact form](https://designly.biz/contact).
What is Staff Augmentation Service? Is Staff Augmentation Service Trustworthy?
Tags: staffaugmentationservice, itstaffaugmentationservice, staffaugmentationcompanies, itstaffaugmentationcompany
Published: 2023-10-16 10:57:44

**Staff Augmentation Service: Ensuring Trustworthiness in a Growing Trend**

Companies frequently struggle with the problem of keeping skilled and adaptive staff in today's dynamic business environment. Services for staff augmentation are useful in this situation. Employing outside experts to supplement internal teams for particular projects or deadlines is known as staff augmentation. It offers a practical method for addressing skill shortages and adjusting to changing demands. But what precisely is a staff augmentation service, and how can a business ensure the reliability of such services?


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/54cgxaw2yzzeuos34jlu.jpg)

A global talent pool is accessible to enterprises thanks to [staff augmentation services](https://www.truefirms.co/company-search/Staff-Augmentation). Professionals with the precise training and expertise required for their tasks might be chosen by businesses. By reducing the need for long-term employment promises, this strategy not only improves project efficiency but also saves time and money.

However, ensuring the trustworthiness of staff augmentation services is paramount. To do so, companies should:

**1. Thoroughly vet providers:** research potential providers, examine their track record, and request client references. A reputable provider will have a history of successful partnerships and satisfied customers.

**2. Clarify Expectations:** Clearly define project requirements, roles, and responsibilities to avoid misunderstandings. A trustworthy provider will ensure open communication and adaptability.

**3. Quality Assurance:** Establish quality control mechanisms, regular reporting, and performance metrics to ensure the augmented staff meets your standards.

**4. Legal and Data Security:** Ensure that the provider complies with data protection regulations and has secure processes in place.

**5. Escalation and Issue Resolution:** Develop a dispute resolution process to address any concerns promptly.

Services for staff augmentation can be a great advantage for businesses looking to stay flexible and competitive. Businesses can securely use external talent to achieve their goals while minimizing the potential risks connected with this expanding trend by selecting a trustworthy provider and keeping lines of communication open. Truefirms is a [best staff augmentations service provider](https://www.truefirms.co/company-search/Staff-Augmentation). For More information Visit - [Truefirms](https://www.truefirms.co/).
10 Issues That Will Help You Grow as a top contributor in Opensource 🏅🏅
Tags: opensource, hacktoberfest, typescript, developer
Published: 2023-10-16 10:54:37

Hacktoberfest is upon us, and open-source enthusiasts around the globe are gearing up for a month of collaborative coding, learning, and giving back to the community. 


Finding good first issues is always challenging task while contributing so I've create list of issue that you can contribute to the repo directly from here. 

<img width="100%" style="width:100%" src="https://media.giphy.com/media/vLpclx5lofmqnEswm0/giphy.gif">


here are top 10 issue that you should contribute today. 

#### 1. Move the confetti logic to the related redux-saga
**Tech stack** : react, redux and typescript

{% embed https://github.com/freeCodeCamp/freeCodeCamp/issues/51908 %}


#### 2. Dark mode support for Admin Portal
**Tech stack** : typescript

{% embed https://github.com/boxyhq/jackson/issues/1240 %}


#### 3. Tab title is not being updated immediately after updating the request name
**Tech stack** : typescript

{% embed https://github.com/firecamp-dev/firecamp/issues/28 %}


#### 4. Dashboard row doesn't inform screen readers if is expanded or collapsed 
**Tech stack** : typescript, go

{% embed https://github.com/grafana/grafana/issues/73742 %}


#### 5. Add warning modal on deactivate primary integration
**Tech stack** : typescript

{% embed https://github.com/novuhq/novu/issues/4507  %}

#### 6. Chatbox modal for search UI
**Tech stack** : javascript

{% embed https://github.com/arguflow/arguflow/issues/596 %}

#### 7. Upgrade multi-language function and expand the Chinese market
**Tech stack** : typescript, java

{% embed https://github.com/apitable/apitable/issues/1382 %}

#### 8. option to wait for callbacks completion on job.stop() 
**Tech stack** : typescript

{% embed https://github.com/kelektiv/node-cron/issues/713 %}

#### 9. Add support for tabler-icons when using the icon for Tasks
**Tech stack** : typescript, go

{% embed https://github.com/triggerdotdev/trigger.dev/issues/616 %}

#### 10. feature request: add suspend user event for webhook
**Tech stack** : typescript

{% embed https://github.com/logto-io/logto/issues/4297 %}



So, whether you're looking to sharpen your coding skills, enhance your portfolio, or simply want to give back to the open-source community, these 10 issues in each language are an excellent place to start. 

------

Firecamp is a dx first API development tool that helps developers built APIs faster. 

{% embed  https://github.com/firecamp-dev/firecamp %}

It would be nice if you could star a repo so that I can create more content in the future.
Building an AI Chatbot for Customer Service: A Step-by-Step Guide by Mohamed Soufan
Tags: ai, chatbot, chatgpt
Published: 2023-10-16 10:43:03

Hello again, dev.to community! 🌟 After my introductory post about my passion for AI chatbots in customer service, I've decided to share a step-by-step guide on building one. Let's dive in!

**🧠 1. Define the Chatbot's Purpose:**
Before coding, determine the primary function of your chatbot. Will it answer FAQs, guide users through a purchase, or handle complaints?

**💻 2. Choose the Right Platform & Tools:**
Python offers frameworks like Rasa and ChatterBot. There's also Dialogflow by Google and Microsoft's Bot Framework.

**📊 3. Data Collection & Training:**
Gather historical customer interaction data. Train your model using this data, ensuring it understands user intent.

**🎨 4. Design the User Interface:**
Focus on simplicity. A chat interface with clear prompts, easy navigation, and a fallback option for human intervention is key.

**🔄 5. Implement Continuous Learning:**
Regularly update your chatbot based on customer interactions. Feedback loops are essential.

**🔒 6. Prioritize Security:**
Ensure data privacy. Encrypt sensitive information and stay compliant with regulations like GDPR.

**🧪 7. Testing & Iteration:**
Before going live, beta test extensively. Gather user feedback and refine accordingly.

**🚀 8. Launch & Monitor:**
Once live, closely monitor performance. Address issues promptly and celebrate successes!

**💡 Closing Thoughts:**
Building an AI chatbot is a journey of continuous learning and adaptation. It's a blend of tech, design, and understanding human behavior.

Would love to hear your experiences, challenges, and success stories in building AI chatbots! Let's share and learn together.

#AI #Chatbots #CustomerService #Guide"
Embarking on the Journey of AI Chatbots for Enhanced Customer Service
Tags: softwaredevelopment, chatgpt, ai, programming
Published: 2023-10-16 10:38:40

Hello dev.to community! 🚀 As a new software engineer here, I'm passionate about harnessing the power of AI to revolutionize customer service. With the surge in online interactions, AI chatbots can be game-changers, offering 24/7 support, instant responses, and personalized experiences.

**🤖 Why AI Chatbots?**

Efficiency: Handle multiple queries simultaneously.
Consistency: Offer uniform quality across interactions.
Personalization: Use data insights to cater to individual needs.

**🔍 Challenges Ahead:**
While the potential is immense, there are hurdles:

Ensuring human-like interactions.
Seamless integration with existing systems.
Continual learning from feedback.

**🌱 My Journey Ahead:**
I'm diving deep into building intuitive and effective chatbots. Would love insights, collaborations, and feedback from this incredible community!

**💡 Keen to know:**
Have any of you worked on similar projects? What challenges did you face? Let's discuss!

#AI #Chatbots #CustomerService #FirstPost #SoftwareDevelopment #SoftwareEngineer #SaaS #Chatbot #ArtificialIntelligence
"Bali Travel Essentials: A Deep Dive into Navigating SIM Card Options"
Tags: internet
Published: 2023-10-16 10:33:03

Are you traveling to Bali? We specialize in providing [XL SIM cards]((https://simcardairportbali.com/)) tailored for tourists visiting Bali and other destinations. Our XL SIM cards offer excellent coverage and reliable mobile data services, ensuring seamless connectivity during your travels in Bali. With a variety of data plans available, including options with generous data allowances, you can browse the internet, use social media, and stay connected with friends and family effortlessly while exploring the stunning beauty of Bali. Our XL SIM cards are easy to activate and can be conveniently purchased online or at designated retail outlets at I Gusti Ngurah Rai International Airport Gateway in Bali.
Nginx
Published: 2023-10-16 10:29:32

Nginx adalah server web sumber terbuka dan proxy yang juga dapat berfungsi sebagai proxy IMAP/POP3. Nginx ditulis oleh seorang warga negara Rusia bernama Igor Sysoev pada tahun 2002 dan dirilis ke publik pada tahun 2004. Seperti yang disebutkan oleh forum [yihka](https://yihka.com) Nginx dapat digunakan sebagai web server, reverse proxy, load balancer, dan juga dapat digunakan untuk menyediakan layanan seperti HTTP caching, SSL/TLS termination, dan banyak lagi.
 
Keunggulan Nginx

Nginx dirancang untuk menjadi ringan, cepat, dan efisien dalam menangani lalu lintas web. Salah satu keunggulan utama Nginx adalah kemampuannya dalam menangani banyak koneksi secara simultan dengan penggunaan sumber daya yang rendah. Arsitektur asinkron dan non-blocking yang dimilikinya memungkinkan Nginx untuk melayani ribuan koneksi dalam satu waktu tanpa perlu banyak menggunakan memori atau CPU.
Salah satu keunggulan Nginx adalah kemampuannya sebagai reverse proxy. Sebagai reverse proxy, Nginx berfungsi sebagai perantara antara klien dan server yang sebenarnya. Hal ini memungkinkan untuk melakukan penyeimbangan beban ( load balancing ) dan memantau kesehatan server, sehingga memastikan ketersediaan dan kinerja optimal.

Arsitektur

Arsitektur Nginx terdiri dari inti (core) dan berbagai modul tambahan yang dapat diaktifkan sesuai kebutuhan. Modul-modul ini memungkinkan fungsionalitas tambahan seperti penanganan PHP, caching, dan perlindungan DDoS. Pengguna dapat mengkompilasi Nginx dengan modul-modul tertentu yang diperlukan untuk lingkungan server mereka.

Nginx memiliki dua proses utama: master process dan worker process. Master process bertanggung jawab atas pengelolaan worker process, mengatasi restart saat terjadi perubahan konfigurasi, dan menerima sinyal dari administrator atau sistem operasi. Worker process, di sisi lain, menangani tugas-tugas utama seperti melayani permintaan HTTP dari klien, menjalankan script CGI, atau mengelola koneksi.

Security

Nginx juga dapat digunakan untuk melakukan SSL/TLS termination, yaitu mengelola koneksi keamanan untuk enkripsi data antara klien dan server. Ini penting untuk melindungi keamanan data yang dikirimkan melalui jaringan, terutama dalam konteks transaksi online dan komunikasi sensitif. Nginx juga memiliki kemampuan caching yang memungkinkan penyimpanan sementara konten statis atau dinamis di memori atau disk, mempercepat akses ke konten yang sering diminta dan mengurangi beban pada server backend.

Selain fungsionalitas inti, Nginx memiliki sistem konfigurasi yang fleksibel. Konfigurasi Nginx ditulis dalam file teks dan memungkinkan pengguna untuk menentukan aturan pengelolaan lalu lintas, penanganan error, konfigurasi SSL, dan banyak lagi.

Kesimpulan

Dari [sumber](https://yihka.com/Thread-Nginx) Secara keseluruhan, Nginx adalah alat yang sangat powerful dan fleksibel dalam menangani tugas-tugas server web dan infrastruktur internet modern. Kepopulerannya terus meningkat karena kemampuannya untuk menyediakan kinerja yang tinggi, skabilitas, dan keandalan yang diperlukan untuk mendukung aplikasi dan situs web yang kompleks dan skalabel.
Dunning-Kruger Effect
Published: 2023-10-16 10:28:16

Dunning-Kruger Effect:
- People with poor abilities often overestimate their skill level;
- People with poor abilities cannot accurately recognize the level of others who truly possess these skills;
- People with poor abilities are unable to perceive and face their own shortcomings, as well as the extreme degree of these shortcomings;
- If people with poor abilities can significantly improve their skill levels through appropriate training, they will eventually realize and admit their previous incompetence.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/4tcgjx8tt1dt024yv8z3.png)