Please make sure that your network environment can connect to the apt server.
Use the following command to get the apt server package list
# apt-get update
There is a moxa '<product>-base-system' package, which depends on all moxa basic and enssential packages. Please upgrade this package in the system first. You can refer to the following command to install the software package.
# apt-get install <product>-base-system
Take the uc3100 series as an example:
e.g.
# apt-get install uc3100-base-system
The installation of base-system includes moxa lib, tools, kernel, modules etc... After installing moxa base-system package, please reboot the device.
# reboot
To fetch the latest debian packages, please using the following command to upgrade.
# apt-get upgrade