Activate Window

PowerShell is a powerful scripting language and command-line shell developed by Microsoft. One of its most fascinating capabilities is its ability to execute commands and scripts from remote URLs. A frequently used shorthand for downloading and executing a script in PowerShell is:

 $    irm https://get.activated.win | iex

Understanding the Command

1. irm
   irm is short for Invoke-RestMethod, a cmdlet in PowerShell used to send HTTP or HTTPS requests to a web server and process the response. In this context, it fetches the script or data hosted at the provided URL (https://get.activated.win).

2. https://get.activated.win
   This URL points to the location of the script or resource to be downloaded. When you run the command, PowerShell fetches the content hosted here.

3. | iex
   The | symbol is a pipeline operator in PowerShell. It takes the output from the irm command and passes it to iex.
   iex stands for Invoke-Expression, which evaluates or runs the code it receives as input.

   In this case, the script fetched from https://get.activated.win is executed immediately by PowerShell.

---

Purpose of the Command

This command is commonly used for:

• Bootstrap Installers: Installing tools or software by fetching and executing an installer script directly from a URL.
• Custom Scripts: Running automation scripts hosted online.
• Quick Deployments: Setting up configurations or environments on remote machines with minimal input.

---

Security Implications

While the command is extremely convenient, it also comes with significant security risks. Downloading and executing code directly from the internet without verifying its contents can lead to:

• Malware Infections: Malicious actors may host harmful scripts under seemingly legitimate URLs.
• Unauthorized Access: Scripts could install backdoors or steal sensitive information.
• System Compromise: A poorly written script might unintentionally break critical system components.

How to Use the Command Safely

1. Verify the Source
   Ensure that the URL (https://get.activated.win in this case) is legitimate and comes from a trusted source.

2. Inspect the Script
   Instead of executing the command directly, download the script first and inspect its contents. You can do this by running:

   irm https://get.activated.win > script.ps1
   notepad script.ps1

3. Run with Limited Permissions
   Execute scripts in a controlled environment, such as a virtual machine or a sandbox, to mitigate risks.

4. Avoid as a Habit
   Use this approach sparingly. Prefer fetching scripts, inspecting them, and executing only those you trust.

---

Conclusion

The $irm https://get.activated.win | iex command showcases the power of PowerShell to interact with web resources seamlessly. However, this convenience demands responsibility. Always be cautious about where your scripts come from and what they do. By following best practices, you can leverage this command safely and efficiently.

Do you often use this command or similar ones? Share your experiences or tips in the comments below!

Architecture identifiers

While Choosing the distro you need to select some architecture then. You need to know about it. These are architecture identifiers that specify the type of CPU architecture and instruction set used by a system. Each corresponds to a different hardware or processor family. Here's a brief explanation of each:

1. amd64

• Architecture: 64-bit x86
• Description: Designed for 64-bit processors, initially developed by AMD, but also used by Intel.
• Usage: Most modern PCs and servers.

2. arm64

• 
  Architecture: 64-bit ARM
• Description: Refers to 64-bit ARM processors (also known as AArch64).
• Usage: Modern ARM-based devices like smartphones, tablets, and some servers (e.g., Apple M1/M2 chips).
  

3. armel

• 
  Architecture: ARM (32-bit, little-endian, soft float)
• Description: Used for older or embedded ARM systems, supporting software floating-point operations.
  
• Usage: Embedded devices or legacy ARM platforms.

4. armhf

• 
  Architecture: ARM (32-bit, hard float)
• Description: Supports hardware floating-point operations.
  
• Usage: Raspberry Pi and other ARM-based systems.

5. i386

• 
  Architecture: 32-bit x86
• Description: Refers to 32-bit Intel processors starting with the 80386 (introduced in 1985).
  
• Usage: Older PCs and systems still running 32-bit operating systems.

6. mips64el

• 
  Architecture: 64-bit MIPS, little-endian
• Description: A 64-bit version of the MIPS architecture in little-endian byte order.
  
• Usage: Network devices, embedded systems, or specialized hardware.

7. mipsel

• Architecture: 32-bit MIPS, little-endian
• Description: A 32-bit version of the MIPS architecture in little-endian byte order.
  
• Usage: Older embedded systems and routers.

8. ppc64el

• Architecture: 64-bit PowerPC, little-endian
• Description: A version of the PowerPC architecture for 64-bit systems in little-endian byte order.
  
• Usage: IBM POWER servers.

9. s390x

• Architecture: IBM z/Architecture (64-bit)
• Description: A 64-bit architecture used by IBM mainframes.
  
• Usage: Enterprise and high-performance computing environments.

Summary Table:

Identifier	Architecture	Key Use Case
amd64	64-bit x86	Most PCs and servers
arm64	64-bit ARM	Modern ARM-based devices
armel	32-bit ARM	Older/embedded ARM systems (soft float)
armhf	32-bit ARM	Raspberry Pi and newer ARM systems (hard float)
i386	32-bit x86	Older PCs and systems
mips64el	64-bit MIPS	Specialized network/embedded devices (little-endian)
mipsel	32-bit MIPS	Embedded systems (little-endian)
ppc64el	64-bit PowerPC	IBM POWER servers
s390x	64-bit IBM	Mainframe computing

FTP Error!

 Status: Connecting to 192.168.XX.XX:XX... Status: Connection attempt failed with "ECONNREFUSED - Connection refused by server". Error: Could not connect to server Status: Waiting to retry... Status: Connecting to 192.168.XX.XX:XX... Status: Connection attempt failed with "ECONNREFUSED - Connection refused by server". Error: Could not connect to server

If this problem is faced then just type command

$    sudo ufw allow 21

Text-based User Interface (TUI) commands in Linu

Text-based User Interface (TUI) commands in Linux allow for a graphical-like interface within the terminal, enabling users to interact more visually without needing a full GUI environment. Here are some popular TUI commands and tools in Linux:

System Monitoring and Management

1. htop - An enhanced version of top, showing CPU, memory, and process usage with interactive controls.

        $ htop

2. glances - A comprehensive system monitoring tool that displays CPU, memory, network, and disk usage.

        $ glances

3. nmon - A performance monitor that shows CPU, memory, disk, network, and more.

        $ nmon

File Management

1. mc (Midnight Commander) - A powerful file manager that allows navigation, copying, moving, and editing files.

        $ mc

2. ranger - A file manager with VI keybindings and previews of images and text files.

        $ ranger

3. vifm - A file manager with VI-like keybindings for navigating and managing files.

        $ vifm

Text Editors

1. vim - A highly configurable text editor with TUI, known for its power in text editing.

        $ vim filename

2. nano - A simple and user-friendly text editor for editing text files.

        $ nano filename

3. emacs -nw - Emacs in "no-window" mode runs a powerful editor within the terminal.

        $ emacs -nw filename

Disk and Filesystem Utilities

1. ncdu - Disk usage analyzer, providing a tree-view of disk space usage.

        $ ncdu

2. cfdisk - A partition manager that allows creating and managing partitions.

        $ sudo cfdisk

3. fdisk - A TUI for managing disk partitions.

        $ sudo fdisk /dev/sdX

Network Monitoring and Management

1. nmtui - A TUI for managing network connections.

        $ nmtui

2. bmon - A network bandwidth monitor for real-time bandwidth usage visualization.

        $ bmon

3. nload - Displays incoming and outgoing network traffic in real time.

        $ nload

System Utilities

1. alsamixer - A sound mixer for configuring audio levels.

        $ alsamixer

2. iwconfig - Configures wireless network interfaces.

        $ iwconfig

3. iftop - Displays real-time bandwidth usage per IP.

        $ sudo iftop

Package Management

1. aptitude - A package manager with a TUI interface for browsing and managing packages (Debian/Ubuntu).

        $ sudo aptitude

System Configuration

1. tldr - Simplified man pages in a readable format.

        $ tldr command

2. whiptail - A dialog box for creating prompts and menus within scripts.

        $ whiptail --title "Example" --msgbox "Hello!" 10 30

Each of these commands offers a powerful way to manage various aspects of your system from the terminal with an intuitive, interactive interface. You can install these packages through your system’s package manager if they’re not already installed.

Font not installing in linux

When ever font is not installing or asking for software to be install it may require some missing software. It may require following software.

gnome-font-viewer

to install it just type following command.

sudo apt install gnome-font-viewer

done.

Microsoft Core fonts on linux

 Hello Everyone!

When ever you use linux and need to run some windows software then basically i may ask for microsoft core fonts. You can use it on your Linux with couple of lines of codes. These codes installs the microsoft fonts install in your computer so that you can use your software and your document without any format change.

Use these codes:

sudo apt update
sudo apt install ttf-mscorefonts-installer

To use these code you can select one by one or you can just select all and paste it in terminal.

SSH! REMOTE HOST IDENTIFICATION HAS CHANGED

If you Ever Face Problem like 

Microsoft Windows [Version 10.0.19045.4717] 

(c)Microsoft Corporation. All rights reserved.                                                                                                  C:\Users\Suman Adhikari>ssh xxxxxxxxxxx@192.xxx.xxxx.xxx                                                              @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @                                              @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!                                                      Someone could be eavesdropping on you right now (man-in-the-middle attack)!                                             It is also possible that a host key has just been changed. 

The fingerprint for the ECDSA key sent by the remote host is                                                            SHA256:2jXsaRMuMbsiad+rF6kHSaUTE3Yua7kl88SgTj6r0SU.                                                                     Please contact your system administrator.                                                                               Add correct host key in C:\\Users\\xxxxxxx/.ssh/known_hosts to get rid of this message.                          Offending ECDSA key in C:\\Users\\xxxxxxx/.ssh/known_hosts:2                                                     ECDSA host key for 192.xxx.xxx.xxx. has changed and you have requested strict checking.                                  Host key verification failed.         

If you got this issue simply Enter this code      

ssh-keygen -R 192.168.XXX.XXX