FileNotFoundError: [Errno 2] No such file or directory: 'modprobe'

[Mauro Risonho de Paula Assumpção]

$ undervolt --temp 80
Traceback (most recent call last):
File "/home/test/anaconda3/bin/undervolt", line 8, in
sys.exit(main())
^^^^^^
File "/home/test/anaconda3/lib/python3.11/site-packages/undervolt.py", line 398, in main
subprocess.check_call(['modprobe', 'msr'])
File "/home/test/anaconda3/lib/python3.11/subprocess.py", line 408, in check_call
retcode = call(*popenargs, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/test/anaconda3/lib/python3.11/subprocess.py", line 389, in call
with Popen(*popenargs, **kwargs) as p:
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/test/anaconda3/lib/python3.11/subprocess.py", line 1026, in init
self._execute_child(args, executable, preexec_fn, close_fds,
File "/home/test/anaconda3/lib/python3.11/subprocess.py", line 1950, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'modprobe'