What is Two-Factor Authentication (2FA)?

In today's time when cyber crime and online fraud are increasing very rapidly, it has become very important for everyone to strengthen their online security. Logging in by just entering the password is no longer considered safe because hackers can steal the password in different ways. This is why "Two-Factor Authentication" i.e. 2FA is used. This is a technique that gives additional security to your account. Let's understand it in detail and in simple language. What is Two-Factor Authentication (2FA)? Two-Factor Authentication, called 2FA in short, is an additional security layer that you apply to your account. In this, not only username and password but also another verification method is required to login. That is, even if someone knows your password, he will not be able to login to your account because he will also need another factor (such as OTP or code). How does 2FA work? When you turn on 2FA on a website or app, you need to complete two steps to login: 1.F...
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How to set up a home server?

 
home server

With features like remote access, media streaming, centralized storage, and more, a home server may be an effective tool for individual usage. We'll walk you through every step of setting up a home server in this tutorial, from selecting the appropriate hardware to configuring the operating system and necessary services.

Selecting Appropriate Hardware:

Choosing the right server hardware is the first step. Take into account the following elements:
  • CPU: For managing several tasks, a multi-core CPU with a fast clock speed is best.
  • RAM: For resource-intensive programs, more RAM is preferable, although at least 8GB is advised.
  • Storage: It's a good idea to combine HDDs for large storage with SSDs for quick startup times.
  • Network Card: For fast network access, a gigabit Ethernet card is necessary.
  • You may buy a pre-built server or construct your own server from scratch using separate parts.

Setting up the operating system:

Installing an operating system is the next step. Popular options consist of:
  • Distributions of Linux:
  • Ubuntu Server: Easy to use and well supported.
  • Debian: Consistent and adaptable.
  • Fedora: Innovative and cutting edge.
  • FreeNAS is a customized operating system for network attached storage, or NAS.
  • For anyone who would rather work in a Windows environment, there is Windows Server.
  • Create a bootable installation CD and boot your server from it, as directed by the installation instructions for the operating system of your choice.
Configuring Basic Services:

Once the OS is installed, you can configure essential services:
  • SSH: Enables remote access to your server using a secure shell.
  • SFTP: Allows secure file transfer over the network.
  • Web Server: For hosting websites or web applications (e.g., Apache, Nginx).
  • File Sharing: Share files and folders with other devices on your network (e.g., Samba, NFS).
  • Media Server: Stream media content to various devices (e.g., Plex, Emby).
  • Backup Server: Back up important data from your other devices.
  • VPN Server: Securely access your home network from anywhere.



Security Considerations:
  • Strong Passwords: Use strong, unique passwords for all accounts.
  • Firewall: Configure a firewall to protect your server from unauthorized access.
  • Regular Updates: Keep your OS and software up-to-date with the latest security patches.
  • Monitoring: Use monitoring tools to track your server's performance and identify potential issues.
Extra Advice:
  • Power Management: To maximize energy use, configure power management parameters.
  • Cooling: Make sure your server has enough cooling, particularly if it operates around-the-clock.
  • Redundancy: To avoid downtime, think about including redundant parts, such a UPS.
  • Automation: To make server management more efficient, use automation technologies like Ansible or Puppet.




You may create a strong and adaptable home server by following these instructions and taking your unique requirements into account. As you acquire expertise, don't forget to start small and increase services gradually.

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