Guidance on usage: SFTP Server (OpenSSH-based) on Ubuntu 26.04 LTS

A secure and lightweight SFTP server on Ubuntu 26.04 LTS optimized for encrypted file transfer, automation, and cloud workloads.


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Configuration and Connection to the SFTP Server (OpenSSH-based) on Ubuntu 26.04 LTS

Connecting and managing the server

  1. After purchasing and starting the VM, you should know its IP address. You can find it in your Azure personal account. You need to select the virtual machine from the list. By clicking the item “Overview”, your IP is displayed in the “Public IP Address” line.
  1. To manage a server, you should connect to a VM.
    1. With OpenSSH

In the Windows 10 operating system (starting with version 1809 ), an OpenSSH client is available, with which you can connect to Linux servers via SSH. If Windows 10 is suitable and the OpenSSH client is installed, you can start connecting via SSH. To do this, launch a normal Windows command prompt and enter the command ” ssh user@*vm_ip*”. 

Where “user” is the username that was specified while creating the virtual machine and “*vm_ip*” is the VM IP address.

In the opened console, it is necessary to enter the password that was specified while creating the virtual machine.

  1. With the PuTTy application 

To do this, you need the PuTTY application to connect via SSH. You can download it at the following link – Download.

Run PuTTY, enter the VM address in the “Host” field (1), and click “Open” (2) to connect.

In the opened console, you will need to enter a username and password that were specified while the VM was being created (you’ll not see the password in the console while entering it). 

  1. Examples of the basic FTP user management commands:

User creation – sudo addsftpuser (When creating a user, you must add a password for this user)

Change the password for an existing user – sudo passwd username.

Deleting a user – sudo delsftpuser.

Account lockout – sudo usermod -L username.

Account unlock – sudo usermod -U username.

Connecting to SFTP using “FileZilla Client.”

To connect to SFTP, it is recommended to use the “FileZilla Client” application (you can download it from the link: Download FileZilla Client for Windows (64bit x86)).

When connecting to the SFTP server, you need to follow these steps:

  1.  In the Host field, enter: sftp://ip_vm, where ip_vm is the VM IP address.
  2. In the Username field, enter the login that was specified when creating the VM or the username created in step 3 of the previous section.
  3. In the Password field, enter the password that was specified when creating the VM, or the user password created in step 3 of the previous section.
  4.  In the Port field, enter port 22.
  5.  When the data is entered, press Quickconnect

Once you’ve entered the information and clicked “Quickconnect,” you will be successfully connected to the server. 

Now you can work with your own SFTP Server.