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48 lines
1.8 KiB
Markdown
48 lines
1.8 KiB
Markdown
---
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title: "FTP"
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aliases:
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- gettingstarted/programming/ftp.html
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- gettingstarted/programming/ftp.md
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- chapter/gettingstarted/programming/ftp
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---
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There is a small internal file system accessible with each Pycom device, called `/flash`. This is stored within the external serial flash memory. If a microSD card is also connected and mounted, it will be available as well. When the device starts up, it will always boot from the `boot.py` located in the `/flash` file system.
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The file system is accessible via the native FTP server running on each Pycom device. Open an FTP client and connect to:
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* url: `ftp://192.168.4.1`
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* username: `micro`
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* password: `python`
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See [network.server](/firmwareapi/pycom/network/server) for information on how to change the defaults. The recommended clients are:
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* macOS/Linux: default FTP client
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* Windows: Filezilla and FireFTP
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For example, from a macOS/Linux terminal:
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```bash
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$ ftp 192.168.4.1
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```
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The FTP server doesn't support active mode, only passive mode. Therefore, if using the native unix FTP client, immediately after logging in, run the following command:
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```bash
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ftp> passive
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```
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The FTP server only supports one connection at a time. If using other FTP clients, please check their documentation for how to limit the maximum allowed connections to one at a time.
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## FileZilla
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If using FileZilla, it's important to configure the settings correctly.
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Do not use the quick connect button. Instead, open the site manager and create a new configuration. Within the `General` tab, ensure that encryption is set to: `Only use plain FTP (insecure)`.
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In the `Transfer Settings` tab, limit the max number of connections to one. Other FTP clients may behave in a similar ways; visit their documentation for more specific information.
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