Missing dependency in installation instructions to build from source

A dependency is missing to build crackmapexec from source.

poetry install will fail with an error :

$ poetry install
Installing dependencies from lock file

Package operations: 17 installs, 0 updates, 0 removals

  • Installing gssapi (1.7.3): Failed

  EnvCommandError

  Command ['/home/olivier/.cache/pypoetry/virtualenvs/crackmapexec-xfVoKL6U-py3.8/bin/pip', 'install', '--no-deps', 'file:///home/olivier/.cache/pypoetry/artifacts/fe/e7/bb/9f1204d0e49af95bc7a0ada1f736a5c11f49bf9aba42382d749949fb45/gssapi-1.7.3.tar.gz'] errored with the following return code 1, and output: 
  Processing /home/olivier/.cache/pypoetry/artifacts/fe/e7/bb/9f1204d0e49af95bc7a0ada1f736a5c11f49bf9aba42382d749949fb45/gssapi-1.7.3.tar.gz
    Preparing metadata (setup.py): started
    Preparing metadata (setup.py): finished with status 'error'
    error: subprocess-exited-with-error

    × python setup.py egg_info did not run successfully.
    │ exit code: 1
    ╰─> [14 lines of output]
        /bin/sh: 1: krb5-config: not found
        In distributed package, building from C files...
        Traceback (most recent call last):
          File "<string>", line 2, in <module>
          File "<pip-setuptools-caller>", line 34, in <module>
          File "/tmp/pip-req-build-8zs1n909/setup.py", line 128, in <module>
            link_args = shlex.split(get_output(f"{kc} --libs gssapi"))
          File "/tmp/pip-req-build-8zs1n909/setup.py", line 41, in get_output
            res = subprocess.check_output(*args, shell=True, **kwargs)
          File "/usr/lib/python3.8/subprocess.py", line 415, in check_output
            return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
          File "/usr/lib/python3.8/subprocess.py", line 516, in run
            raise CalledProcessError(retcode, process.args,
        subprocess.CalledProcessError: Command 'krb5-config --libs gssapi' returned non-zero exit status 127.
        [end of output]

    note: This error originates from a subprocess, and is likely not a problem with pip.
  error: metadata-generation-failed

  × Encountered error while generating package metadata.
  ╰─> See above for output.

  note: This is an issue with the package mentioned above, not pip.
  hint: See above for details.

  at ~/.poetry/lib/poetry/utils/env.py:1195 in _run
      1191│                 output = subprocess.check_output(
      1192│                     cmd, stderr=subprocess.STDOUT, **kwargs
      1193│                 )
      1194│         except CalledProcessError as e:
    → 1195│             raise EnvCommandError(e, input=input_)
      1196│ 
      1197│         return decode(output)
      1198│ 
      1199│     def execute(self, bin, *args, **kwargs):

Add the following dependency libkrb5-dev to fix the issue :

sudo apt install libkrb5-dev

Crackmapexec info

OS: Ubuntu
Version of CME : v5.3.0
Installed from the latest release

byt3bl33d3r / CrackMapExec

Missing dependency in installation instructions to build from source #593