Question: I need to change my FTP password, from an Ubuntu server with the command line, can you help me?

Thank you all!

Answer: 
As far as I know, there is no built-in function to achieve this. But you can do this using a third party tool.

One of them is [LapLock](https://github.com/dechamps/laplock). This program is a lightweight (<50KB), open source tool and it's developed by [Etienne Dechamps](https://superuser.com/users/8695/etienne-dechamps).

Steps...

1. Download the program - <https://github.com/dechamps/laplock/releases>  

(Download the latest laplock.exe release)
2. Open the Windows Startup folder by using this run command - '`shell:common startup`'
3. Add laplock.exe to your Startup folder.

You can also use [Lid Lock](https://download.cnet.com/Lid-Lock/3000-2094_4-76464070.html) to do this.
The solution is simple, in options --> accounts --> Sign-in options: Require sign-in = Every Time

[![enter image description here](https://i.stack.imgur.com/Wey3J.png)](https://i.stack.imgur.com/Wey3J.png)