"Bad interpreter: No such file or directory" error

When you execute install.sh or upgrade.sh on a Unix/Linux system, the error "Bad interpreter: No such file or directory" comes up.

Cause A: The installation package is uploaded to the Unix/Linux system in the non-binary transfer type.

Solution A: Select to transfer the installation package to the Unix/Linux machine in Binary transfer type.

Cause B: The SH file was edited and saved on a Windows machine.

Solution B: Execute the command dos2unix install.sh/upgrade.sh on the Unix/Linux system, which can convert the file type so as to make it work on the Unix/Linux system.