Since nonroot mode requires to run everything on non-privileged user,
most of setup scripts does not able to use nonroot mode.
We only provide following functions on nonroot mode:
- EC2 check
- IO setup
- Node exporter installer
- Dev mode setup
Rest of functions will be skipped on scylla_setup.
To implement nonroot mode on setup scripts, scylla_util provides
utility functions to abstract difference of directory structure between normal
installation and nonroot mode.
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