Ng Serve With Host: A complete guide for Dev

Welcome Dev, if you are a web developer, then you must know about Angular, which is one of the most powerful open-source JavaScript frameworks. It helps developers to build amazing web and mobile applications. Ng serve is one of the powerful commands of Angular that helps developers to run, test and debug their applications. In this article, we are going to discuss ng serve with host, which is a very important aspect of Angular.

What is ng serve with host?

Ng serve is a command-line interface (CLI) tool that helps developers to build Angular applications. It compiles and runs the application on the local server, which can be accessed by the browser. By default, ng serve runs the application on the localhost, which means it can only be accessed by the machine on which the application is running. But, sometimes, developers want to run their application on a different IP address, which can be accessed by other machines on the same network. In this case, ng serve with host comes into play.

Why do we need ng serve with host?

There are several reasons why developers may need to use ng serve with host. Some of these reasons include:

• Testing the application on different devices with different screen sizes
• Sharing the application with other developers or stakeholders for feedback
• Debugging the application on different machines

How to use ng serve with host?

Using ng serve with host is very easy. You just need to add the –host flag followed by your IP address or domain name in the command.

For example, if your IP address is 192.168.1.100, then the command will be:

Command	Description
ng serve –host 192.168.1.100	Runs the application on the IP address 192.168.1.100

If you want to use a domain name, then the command will be:

Command	Description
ng serve –host example.com	Runs the application on the domain name example.com

Common issues with ng serve with host

Issue 1: ng serve with host is not working

If ng serve with host is not working, then there could be several reasons behind it. Some of the common reasons include:

• Firewall or antivirus blocking the application
• Wrong IP address or domain name provided
• Incorrect network settings

To fix this issue, you can try the following:

• Disable firewall or antivirus temporarily
• Check the IP address or domain name provided
• Verify the network settings

Issue 2: ng serve with host is slow

If ng serve with host is slow, then there could be several reasons behind it. Some of the common reasons include:

• Too many requests to the server
• Large application size
• Low system resources

To fix this issue, you can try the following:

• Minimize the number of requests
• Optimize the application size
• Upgrade the system resources

Issue 3: ng serve with host is not accessible from other devices

If ng serve with host is not accessible from other devices, then there could be several reasons behind it. Some of the common reasons include:

• Firewall or antivirus blocking the application
• Incorrect network settings
• Wrong IP address or domain name provided

To fix this issue, you can try the following:

• Disable firewall or antivirus temporarily
• Verify the network settings
• Check the IP address or domain name provided

Conclusion

In this article, we have learned about ng serve with host, which is a very important feature of Angular. We have discussed why we need ng serve with host, how to use it, and some of the common issues that developers may face while using it. By following the tips and tricks mentioned in this article, you can easily run, test, and debug your Angular applications on different machines.

FAQs

1. What is ng serve?

Ng serve is a command-line interface (CLI) tool that helps developers to build Angular applications. It compiles and runs the application on the local server, which can be accessed by the browser.

2. What is the default host of ng serve?

The default host of ng serve is localhost.

3. How to use ng serve with SSL?

You can use ng serve with SSL by adding the –ssl flag followed by true in the command. For example:

Command	Description
ng serve –ssl true	Runs the application with SSL enabled

4. Can I use ng serve with multiple hosts?

Yes, you can use ng serve with multiple hosts by adding multiple –host flags followed by the respective IP addresses or domain names in the command. For example:

Command	Description
ng serve –host example1.com –host example2.com	Runs the application on two different domain names

5. How to stop ng serve?

You can stop ng serve by pressing Ctrl + C in the terminal.