netcat-openbsd 1.219-1
netcat-traditional 1.10-47
You should explicitly select one to install.
E: Package 'netcat' has no installation candidate
This error message is indicating that you are trying to install the 'netcat' package, but it is not available in the package manager's repository. However, it suggests that you can choose either 'netcat-openbsd' or 'netcat-traditional' to install instead.
To resolve this issue, you need to explicitly select one of the available options. For example, if you want to install 'netcat-openbsd', you can use the following command:
sudo apt install netcat-openbsd
If 'netcat-traditional' is your preferred option, you can use this command instead:
sudo apt install netcat-traditional
Make sure to choose the one that suits your requirements and proceed with the installation.