Yes. That sounds quite familiar. I may have used that years ago with Windows. If I remember correctly, it didn’t exist as a Linux version. Under Linux FileZilla. It can be its possible to Midnight Comader MC on Terminal. A its looks for me a little bit, they are not enough space for the files for this on gl-ar750. A It can be its possible to add a little bit external space by exroot.

If I do this on follow way on terminal on AR-750 Creta, FW 3.201_beta2, 3.201-0227.bin

opkg update

I get the follow message:

Downloading https://fw.gl-inet.com/releases/v19.07.5/packages-3.0/ath79/packages/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_packages
Downloading https://fw.gl-inet.com/releases/v19.07.5/packages-3.0/ath79/glinet/Packages.gz
*** Failed to download the package list from https://fw.gl-inet.com/releases/v19.07.5/packages-3.0/ath79/glinet/Packages.gz

Downloading https://fw.gl-inet.com/releases/v19.07.5/kmod-3.0/ath79/nand/Packages.gz
Updated list of available packages in /var/opkg-lists/glinet_kmod
Collected errors:

By this I get the follow messages:
opkg install nano openssh-sftp-server
Installing nano (5.4-1) to root…
Downloading https://fw.gl-inet.com/releases/v19.07.5/packages-3.0/ath79/packages/nano_5.4-1_mips_24kc.ipk
Installing terminfo (6.1-5) to root…
Downloading https://fw.gl-inet.com/releases/v19.07.5/packages-3.0/ath79/packages/terminfo_6.1-5_mips_24kc.ipk
Installing libncurses6 (6.1-5) to root…
Installing openssh-sftp-server (8.0p1-1) to root…
Downloading https://fw.gl-inet.com/releases/v19.07.5/packages-3.0/ath79/packages/openssh-sftp-server_8.0p1-1_mips_24kc.ipk
Configuring terminfo.
Collected errors:

  • verify_pkg_installable: Only have 56kb available on filesystem /overlay, pkg libncurses6 needs 147
  • opkg_install_cmd: Cannot install package nano.
  • pkg_write_filelist: Failed to open //usr/lib/opkg/info/openssh-sftp-server.list: No space left on device.
  • opkg_install_pkg: Failed to extract data files for openssh-sftp-server. Package debris may remain!
  • opkg_install_cmd: Cannot install package openssh-sftp-server.
  • opkg_conf_write_status_files: Can’t open status file //usr/lib/opkg/status: No space left on device.
    root@WS-750:~#