module 'lfs' not found

[mediter]

lua: dump_backup.lua:7: module 'lfs' not found:
	no field package.preload['lfs']
	no file '/usr/local/share/lua/5.3/lfs.lua'
	no file '/usr/local/share/lua/5.3/lfs/init.lua'
	no file '/usr/local/lib/lua/5.3/lfs.lua'
	no file '/usr/local/lib/lua/5.3/lfs/init.lua'
	no file './lfs.lua'
	no file './lfs/init.lua'
	no file '/usr/local/lib/lua/5.3/lfs.so'
	no file '/usr/local/lib/lua/5.3/loadall.so'
	no file './lfs.so'
stack traceback:
	[C]: in function 'require'
	dump_backup.lua:7: in main chunk
	[C]: in ?

[mediter]

dump_backup requires Lua with LuaFileSystem.

on macOS, the convenient way to install these two is as follows:

brew install luarocks

luarocks install luafilesystem

[EZRAIDv2]

dump_backup requires Lua with LuaFileSystem.

on macOS, the convenient way to install these two is as follows:

brew install luarocks

luarocks install luafilesystem

After installing luarocks (sudo apt install luarocks) this returns 'lua.h: No such file or directory'