Access Linux Server Remotely Using SSH - Putty | Windows CMD | GitBash | MobaXterm

M Prashant

28 Jul 202412:37

Summary

TLDRThe video provides a step-by-step guide on accessing virtual machines using PuTTY and Mobaxterm. It explains how to download and install PuTTY, configure network settings in VirtualBox, and connect to CentOS and Ubuntu virtual machines via SSH. The process includes checking IP addresses, enabling necessary services, and customizing terminal settings for an improved user experience. The video also highlights the advantages of using Mobaxterm for multi-tab terminal access and better visualization, making remote server management more efficient and user-friendly.

Takeaways

😀 The script discusses useful tools that one should be aware of for accessing a server on the right side, suggesting a practice of using Google.org for downloading.
🔍 It provides a step-by-step guide on how to access a CentOS virtual machine using a terminal, starting with opening the terminal and zooming in for better visibility.
📝 The importance of checking the IP address using the 'ifconfig' command is highlighted, which is crucial for accessing the server.
🔄 A common error that arises when trying to access the server is mentioned, along with the solution to change the network settings from 'Attach to Network' to 'Bridge Adapter'.
💻 The script explains how to restart the virtual machine to apply network changes and check for a new IP address using 'ifconfig'.
🔗 It describes the process of connecting to the server using the new IP address, accepting the certificate, and logging in with the username and password.
🛠️ Customization options for the terminal interface are presented, such as changing the font size and appearance to suit user preferences.
🔧 The script also covers accessing the server using 'SSH' from the command line, including entering the correct username, password, and IP address.
🖥️ The use of 'Git Bash' as an alternative method for accessing the server is introduced, which is popular among Git users.
📚 The benefits of using a multi-tab terminal like 'MobaXterm' are outlined, including its user-friendly interface and features for easier file and log reading.
🔄 Finally, the script touches on the use of 'IP address' commands like 'ip addr' for checking connectivity and accessing the server from different terminals.

Q & A

What is the first step to access a server using the tools discussed in the script?
-The first step is to download the tool from google.org by clicking on the download button.
How can one check the IP address of their virtual machine after installing the tool?
-One can check the IP address by using the 'ifconfig' command in the terminal, which will show the network interfaces and the IP address associated with them.
What is the default port number used to connect to a server in the script?
-The default port number used to connect to a server is 22.
What is the error encountered when trying to access the server for the first time, and how can it be resolved?
-An error is encountered due to incorrect settings in the virtual box. It can be resolved by changing the network adapter to 'Bridge Adapter' in the network settings of the virtual machine.
What command is used to restart the network interface after changing the settings?
-The 'ifconfig' command is used again to check the new IP address after the network settings have been changed.
How can one verify if the network settings have been changed successfully?
-By using the 'ifconfig' command again and checking for a new IP address that is different from the previous one.
What is the significance of the new IP address obtained after the network settings change?
-The new IP address signifies that the network settings have been successfully updated, allowing for proper access to the server.
How does one accept the certificate when prompted during the server access attempt?
-One should simply accept the certificate to proceed with the connection to the server.
What is the purpose of the 'reboot' command used in the script?
-The 'reboot' command is used to restart the virtual machine after making changes to the network settings, ensuring that the changes take effect.
How can one customize the terminal appearance after accessing the server?
-One can customize the terminal appearance by changing the settings such as font size, style, and color through the interface options.
What is the difference between accessing a server using the terminal and using a graphical interface like MobaXterm?
-The terminal provides a command-line interface for accessing the server, while MobaXterm offers a graphical interface with additional features like multi-tab support and session management.

Outlines

00:00

🔒 Accessing a Virtual Machine via Server

This paragraph discusses the process of accessing a virtual machine (VM) using a server. It explains the initial steps of downloading and installing a tool from google.org, and then accessing the VM through a terminal by using a command to check the IP address. The speaker guides through the error resolution process when unable to access the server, suggesting changes in the virtual box settings, specifically in the network settings from 'Attached to' to 'Bridge Adapter'. After making these changes and rebooting the VM, a new IP is obtained, and the process of logging in via the terminal using the new IP and credentials is demonstrated.

05:00

🖥️ Remote Access to Virtual Machines and Interfaces

The second paragraph elaborates on the remote access to a virtual machine through a terminal interface. It covers accessing the VM using different commands based on the operating system, such as 'ifconfig' for IP address checking and 'apt-get install' for installing necessary packages. The speaker also explains how to enable and start services for remote access, like using 'systemctl start' to start the SSH service. The paragraph includes troubleshooting steps for errors encountered during access, such as ensuring services are enabled and correctly installed. It concludes with demonstrating the successful connection to the VM and customization options available within the terminal interface.

10:04

🛠️ Using Multiple Terminal Interfaces for Remote Access

The final paragraph introduces the concept of using multiple terminal interfaces for accessing and managing remote servers or virtual machines. It describes the steps to install and run a terminal application with a focus on its user-friendly interface and multi-tab functionality. The speaker explains how to connect to a remote host by specifying the IP address, user, and port, and how to handle authentication with passwords. The paragraph also touches on the benefits of using such terminals for multitasking and efficient management of remote systems, showcasing the ease of switching between different sessions and customizing the terminal appearance.

Mindmap

Keywords

💡Tools

In the context of the video, 'tools' refers to software applications or utilities that are helpful for a specific purpose. The video mentions several tools, such as 'Google.org' and 'Putty', which are used for accessing and managing servers. For example, 'Putty' is described as a tool to access a virtual machine by using an IP address.

💡IP Address

An 'IP Address' is a numerical label assigned to devices connected to a computer network that uses the Internet Protocol for communication. In the video, the script discusses how to find and use the IP address of a virtual machine to access it remotely, using commands like 'ifconfig' to retrieve it.

💡Virtual Machine

A 'Virtual Machine' is an emulation of a computer system. The video script describes accessing a virtual machine using an IP address and a tool like 'Putty'. It also explains how to change the network settings of a virtual machine to enable access, such as changing from 'NAT' to 'Bridge Adapter'.

💡Network Interface

A 'Network Interface' is a software or hardware component that allows a computer to connect to a network. The script mentions looking at the network interface to find broadcast and multicast settings, which are essential for configuring the IP address correctly.

💡Bridge Adapter

A 'Bridge Adapter' is a network device that connects two or more separate networks, allowing them to work as a single network. The video explains changing the virtual machine's network setting to a bridge adapter to fix connectivity issues.

💡Reboot

To 'Reboot' means to restart a computer or other digital device. In the script, rebooting the virtual machine is mentioned as a step to apply changes made to the network settings and to obtain a new IP address.

💡SSH (Secure Shell)

SSH is a protocol that provides a secure channel over an unsecured network. The video discusses using SSH to access a server remotely, which involves accepting a certificate and entering a username and password to log in.

💡Terminal

A 'Terminal' is a type of user interface where users can interact with the computer using a command-line interface. The script describes opening a terminal to execute commands, such as 'ifconfig', and to access a virtual machine remotely.

💡Configuration

In the context of the video, 'Configuration' refers to the settings and options that are set up for a system or application. The script talks about changing the configuration of a virtual machine's network settings to enable remote access.

💡Remote Access

Remote access is the ability to connect to and control a computer from another location. The main theme of the video is about setting up and using remote access tools to connect to a virtual machine or server, as demonstrated by using 'Putty' and 'SSH'.

💡Script

In computing, a 'Script' is a sequence of instructions that a computer can execute. The video script itself is a form of script that guides the user through a series of steps to achieve the goal of setting up remote access to a virtual machine.

Highlights

Introduction to useful tools for accessing a server.

Downloading and installing a tool from google.org.

Starting with the basics of accessing a virtual machine.

Using the ifconfig command to check IP address.

Accessing the server using the provided IP address.

Troubleshooting an error encountered during access.

Changing network settings to 'Bridge Adapter' for proper access.

Rebooting the virtual machine to apply network changes.

Verifying the new IP address after the reboot.

Accepting the certificate for secure access.

Logging in using the username and password.

Customizing the terminal interface for better usability.

Demonstrating the use of multiple commands in the terminal.

Accessing the virtual machine using the terminal.

Using the 'ip addr' command in Debian-based systems.

Enabling and starting the SSH server for remote access.

Checking the status of the SSH service to ensure it's running.

Using PuTTY to access the virtual machine with a new IP.

Exploring the use of Git Bash for accessing remote servers.

Using MobaXterm for multi-tab terminal sessions.

Connecting to a remote host using SSH in MobaXterm.

Customizing the font size and appearance in the terminal.

Concluding the tutorial with successful access to the virtual machine.