diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8fd5c32
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+build/
+dist/
+*.pyc
+*.egg-info
diff --git a/bin/sau b/bin/sau
new file mode 100755
index 0000000..2630ac3
--- /dev/null
+++ b/bin/sau
@@ -0,0 +1,57 @@
+#!/usr/bin/env python3.6
+import configparser
+import logging
+import logging.handlers
+import os
+import platform
+import sys
+
+import sau
+import sau.services
+import sau.platforms
+
+
+def main():
+    conf = sau.config
+    log = logging.getLogger(sau.LOGNAME)
+    reboot_required = False
+    platform = sau.platforms.get_platform()
+    #reboot_required = platform.system_upgrade()
+    platform.pkg_upgrade()
+
+    reboot_recommended = sau.services.restart_services()
+    if conf.getboolean('default', 'do_reboot', fallback=False):
+        if reboot_required or reboot_recommended:
+            os.system('/sbin/reboot')
+
+    
+if __name__ == '__main__':
+    sau.config = configparser.SafeConfigParser()
+    conf = sau.config
+
+    if platform.system() == 'FreeBSD':
+        syslog_socket = '/var/run/log'
+        conf_file = '/usr/local/etc/sau.cfg'
+    else:
+        syslog_socket = '/dev/log'
+        conf_file = '/etc/sau.cfg'
+
+    if os.path.isfile(conf_file):
+        conf.read(conf_file)
+
+    log = logging.getLogger(sau.LOGNAME) 
+    log.setLevel(logging.DEBUG)
+
+    handler = logging.StreamHandler()
+    formatter = logging.Formatter(fmt='%(asctime)s %(levelname)s: %(message)s')
+    handler.setFormatter(formatter)
+    handler.setLevel(logging.DEBUG)
+    log.addHandler(handler)
+
+
+    handler = logging.handlers.SysLogHandler(address=syslog_socket)
+    formatter = logging.Formatter(fmt='{}[%(process)s] %(message)s'.format(sau.LOGNAME))
+    handler.setFormatter(formatter)
+    handler.setLevel(logging.INFO)
+    log.addHandler(handler)
+    sys.exit(main())
diff --git a/config.cfg b/config.cfg
new file mode 100644
index 0000000..84daa64
--- /dev/null
+++ b/config.cfg
@@ -0,0 +1,38 @@
+# Default settings in the default section (obviously)
+[default]
+# version_diff represents (hopefully) the compatibility change for the package.
+# It works by starting with the number of dots in the version scheme + 1, and
+# then removes 1 for every field that is the same in the current and new
+# version. Some examples:
+# 1.0.0 -> 1.0.0 (level 0, a reinstall of the same version)
+# 1.0.0 -> 1.0.1 (level 1)
+# 1.0.0 -> 1.1.0 (level 2)
+# 1.0.0 -> 2.0.0 (level 3)
+# 1.0.0.0 -> 2.0.0.0 (level 4)
+# 1.0.1 -> 1.0.1.1 (level 2, because that's how it turned out...)
+min_version_diff=2
+
+# sau can reboot on system upgrades (FreeBSD) or if the service restarts does
+# not close all deleted files (any platform)
+do_reboot=no
+
+
+# The packages section contains <package>=<version_diff> pairs to override the
+# default min_version_diff. Note that package naming may differ depending on
+# platform
+[packages]
+# Gentoo kernel stuff should be updated manually
+sys-kernel/gentoo-sources=0
+sys-kernel/spl=0
+sys-fs/zfs-kmod=0
+dev-db/postgresql=1
+
+# FreeBSD uses the short package name
+gitlab=1
+
+
+# The services section contains <process-name>=<service-name>
+# The process name is whatever psutil returns and I haven't checked if it's
+# trustworthy, so it's probably not... Use with care.
+[services]
+gitlab-workhorse=gitlab
diff --git a/sau/__init__.py b/sau/__init__.py
new file mode 100644
index 0000000..1f34017
--- /dev/null
+++ b/sau/__init__.py
@@ -0,0 +1,2 @@
+
+LOGNAME="sau"
diff --git a/sau/errors.py b/sau/errors.py
new file mode 100644
index 0000000..993af60
--- /dev/null
+++ b/sau/errors.py
@@ -0,0 +1,7 @@
+
+class PlatformNotSupported(Exception):
+    pass
+
+class UnknownServiceError(Exception):
+    pass
+
diff --git a/sau/freebsd.py b/sau/freebsd.py
new file mode 100644
index 0000000..b8f11da
--- /dev/null
+++ b/sau/freebsd.py
@@ -0,0 +1,177 @@
+import logging
+import random
+import re
+import subprocess
+import time
+
+import sau
+import sau.errors
+import sau.helpers
+
+PKG_PATH='/usr/sbin/pkg'
+SERVICE_PATH='/usr/sbin/service'
+FREEBSD_UPDATE_PATH='/usr/sbin/freebsd-update'
+
+# regex to identify rc.d-files
+rc_script_re = re.compile(r'^(?:/usr/local)?/etc/rc\.d/(.*)$')
+# regex to parse packages
+pkg_upgrade_re = re.compile(r'^\s([^\s]*): ([^\s]*) -> ([^\s]*).*$') 
+
+
+def identify_service_from_bin(exe):
+    log = logging.getLogger(sau.LOGNAME)
+    cmd = [ PKG_PATH, 'which', '-q', exe ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE)
+    pkg, err = proc.communicate()
+    if not pkg:
+        raise sau.errors.UnknownServiceError("'{}' does not belong to any package".format(exe))
+    pkg = pkg.decode('utf-8').strip()
+
+    log.debug('{} belongs to package {}'.format(exe, pkg))
+    cmd = [ PKG_PATH, 'info', '-l', pkg ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE)
+    out, err = proc.communicate()
+    rc_scripts = set()
+    for line in out.decode('utf-8').splitlines():
+        match = re.match(rc_script_re, line.strip())
+        if match:
+            log.debug('found potential rc-script for {} at {}'.format(exe, match.group(1)))
+            rc_scripts.add(match.group(1))
+    if len(rc_scripts) < 1:
+        raise sau.errors.UnknownServiceError("'{}' belongs to package '{}', but no rc-script was found".format(exe, pkg))
+    if len(rc_scripts) > 1:
+        raise sau.errors.UnkownServiceError("'{}' belongs to package '{}, but it contains multiple rc-scripts: {}".format(exe, pkg, ', '.join(rc_scripts)))
+    return rc_scripts.pop()
+
+
+def restart_service(service):
+    log = logging.getLogger(sau.LOGNAME)
+    cmd = [ SERVICE_PATH, service, 'restart' ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE)
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if proc.returncode != 0:
+        log.warning("Restart of {} failed:".format(service))
+        for line in out.splitlines():
+            log.warning("stdout: {}".format(line))
+        for line in err.splitlines():
+            log.warning("stderr: {}".format(line))
+    else:
+        log.info("restarted service {}".format(service))
+
+def system_upgrade():
+    log = logging.getLogger(sau.LOGNAME)
+    # this is how freebsd wants it...
+    time.sleep(random.randint(0, 3600))
+    # now we can lie without soiling our conscience too much
+    cmd = [ FREEBSD_UPDATE_PATH, '--not-running-from-cron', 'fetch', 'install' ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE,
+            env = { 'PAGER': '/bin/cat' })
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if proc.returncode == 0:
+        if out.endswith('No updates are available to install.\n'):
+            log.debug('No system updates are available')
+        else:
+            log.info('System updates installed:')
+            for line in out.splitlines():
+                log.info(line)
+            return True
+    else:
+        log.warning('System upgrade failed (return code {}):'.format(proc.returncode))
+        for line in out.splitlines():
+            log.info('stdout: {}'.format(line))
+        for line in err.splitlines():
+            log.info('stderr: {}'.format(line))
+    return False
+
+def pkg_upgrade():
+    log = logging.getLogger(sau.LOGNAME)
+    conf = sau.config
+    cmd = [ PKG_PATH, 'upgrade', '-nq' ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE)
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if proc.returncode == 0 and not out and not err:
+        log.debug('No package upgrades available')
+        return False
+
+    upgrades = []
+    for line in out.splitlines():
+        match = re.match(pkg_upgrade_re, line)
+        if match:
+            upgrades.append({
+                'pkg': match.group(1),
+                'version_old': match.group(2),
+                'version_new': match.group(3)
+                })
+
+    if not upgrades or err:
+        log.warning('Could not parse pkg output:')
+        for line in out.splitlines():
+            log.warning('stdout: {}'.format(line))
+        for line in err.splitlines():
+            log.warning('stderr: {}'.format(line))
+        return False
+
+    default_version_diff = conf.getint('default', 'min_version_diff', fallback=2)
+    for pkg in upgrades:
+        pkg['upgrade_level'] = sau.helpers.version_diff(pkg['version_new'], pkg['version_old'])
+        log.debug('pkg upgrade available {}'.format(pkg))
+        diff = conf.getint('packages', pkg['pkg'], fallback=default_version_diff)
+        if diff >= pkg['upgrade_level']:
+            log.debug('configured level {} >= pkg level {}'.format(diff, pkg['upgrade_level']))
+            pkg['upgrade'] = True
+        else:
+            log.debug('configured level {} < pkg level {}'.format(diff, pkg['upgrade_level']))
+            pkg['upgrade'] = False
+    
+    upgradables = [x['pkg'] for x in upgrades if x['upgrade'] ]
+    if upgradables:
+        cmd = [ PKG_PATH, 'upgrade', '-yq' ] + upgradables
+        log.debug('Executing "{}"'.format(' '.join(cmd)))
+        proc = subprocess.Popen(
+                cmd,
+                stdout = subprocess.PIPE,
+                stderr = subprocess.PIPE)
+        out, err = proc.communicate()
+        out = out.decode('utf-8')
+        err = err.decode('utf-8')
+        if proc.returncode != 0 or err:
+            log.warning('{} failed:'.format(' '.join(cmd)))
+            for line in out.splitlines():
+                log.warning('stdout: {}'.format(line))
+            for line in err.splitlines():
+                log.warning('stderr: {}'.format(line))
+
+    for pkg in [x for x in upgrades if not x['upgrade']]:
+        log.warning('Package require manual upgrade: {}  {} -> {}'.format(pkg['pkg'], pkg['version_old'], pkg['version_new']))
+
+    return True
+
diff --git a/sau/gentoo.py b/sau/gentoo.py
new file mode 100644
index 0000000..b4be270
--- /dev/null
+++ b/sau/gentoo.py
@@ -0,0 +1,272 @@
+import logging
+import re
+import subprocess
+
+import sau
+import sau.helpers
+
+EIX_SYNC_PATH='/usr/bin/eix-sync'
+RC_SERVICE_PATH='/sbin/rc-service'
+EMERGE_PATH='/usr/bin/emerge'
+EQUERY_PATH='/usr/bin/equery'
+
+# parsing output from eix -Ttnc
+package_re = re.compile('^\[([^\]])\] ([^ ]*) \((.*)\): .*$')
+# parsing version information from substrings of the above
+slot_re = re.compile('^(\(~\))?([^\(]+)(\([^\)]+\))$')
+
+def identify_service_from_bin(exe):
+    log = logging.getLogger(sau.LOGNAME)
+
+    init_script_re = re.compile(r'/etc/init\.d/(.*)')
+
+    cmd = [ EQUERY_PATH, '-Cq', 'b', exe ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE)
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if proc.returncode != 0:
+        log.warning("searching for owner of {} failed:".format(exe))
+        for line in out.splitlines():
+            log.warning("stdout: {}".format(line))
+        for line in err.splitlines():
+            log.warning("stderr: {}".format(line))
+        return None
+    
+    pkg = out.strip()
+    cmd = [ EQUERY_PATH, '-Cq', 'f', pkg ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE)
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if proc.returncode != 0:
+        log.warning("listing files for package {} failed:".format(pkg))
+        for line in out.splitlines():
+            log.warning("stdout: {}".format(line))
+        for line in err.splitlines():
+            log.warning("stderr: {}".format(line))
+        return None
+    matches = set()
+    for line in out.splitlines():
+        match = re.match(init_script_re, line)
+        if match:
+            matches.add(match.group(1))
+    if len(matches) < 1:
+        log.warning('Could not find any init script in package {}'.format(pkg))
+    elif len(matches) > 1:
+        log.warning('Found multiple init script in package {}'.format(pkg))
+    else:
+        return matches.pop()
+    return None
+    
+
+def restart_service(service):
+    log = logging.getLogger(sau.LOGNAME)
+    cmd = [ SERVICE_PATH, service, 'restart' ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE)
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if proc.returncode != 0:
+        log.warning("Restart of {} failed:".format(service))
+        for line in out.splitlines():
+            log.warning("stdout: {}".format(line))
+        for line in err.splitlines():
+            log.warning("stderr: {}".format(line))
+    else:
+        log.info("restarted service {}".format(service))
+
+def system_upgrade():
+    log.debug('Gentoo has no concept of system upgrade, ignoring...')
+    return False
+
+def _sync_portage():
+    log = logging.getLogger(sau.LOGNAME)
+
+    cmd = [ EMERGE_PATH, '-q', '--sync' ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+
+    proc = subprocess.Popen(
+            cmd,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE)
+
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if proc.returncode != 0:
+        log.warning("Portage sync failed:")
+        for line in out.splitlines():
+            log.warning("stdout: {}".format(line))
+        for line in err.splitlines():
+            log.warning("stderr: {}".format(line))
+
+def _parse_version(version):
+    slot_re = re.compile('^(\(~\))?([^\(]+)(\([^\)]+\))$')
+    match = re.match(slot_re, version)
+    return {
+        'keyword': match.group(1),
+        'version': match.group(2),
+        'slot': match.group(2)
+    }
+
+def _get_upgradable_packages_eix():
+    log = logging.getLogger(sau.LOGNAME)
+    conf = sau.config
+
+    filter_re = re.compile('^(No |$|--$|The names of all|Found \d+)')
+
+    proc = subprocess.Popen(
+            [EIX, '-Ttnc'],
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE)
+
+    out, err = proc.communicate()
+
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    default_version_diff = conf.getint('default', 'min_version_diff', fallback=2)
+    upgradable = set()
+    for line in out.splitlines():
+        if re.match(filter_re, line):
+            continue
+
+        match = re.match(package_re, line)
+        if not match:
+            continue
+
+        if match.group(1) != 'U':
+            log.warning('Bad status for package {}, manual upgrade required'.format(match.group(2)))
+            continue
+
+        min_diff = conf.getint('packages', match.group(2), fallback=default_version_diff)
+        installed, latest = match.group(3).split(' -> ')
+        installed = installed.split()
+        latest = latest.split()
+        installed = [_parse_version(x) for x in installed]
+        latest = [_parse_version(x) for x in latest]
+        for pkg in installed:
+            latest_in_slot = [x for x in latest if x['slot'] == pkg['slot']]
+            if not latest_in_slot:
+                log.warning('Could not find latest version of {} in slot {}'.format(match.group(2), pkg['slot']))
+                continue
+            latest_in_slot = latest_in_slot[0]
+            if pkg['version'] == latest_in_slot['version']:
+                continue
+            diff = sau.helpers.version_diff(latest_in_slot['version'], pkg['version'])
+            if min_diff >= diff:
+                log.debug('configured level {} >= pkg level {}'.format(min_diff, diff))
+                upgrade_pkg.add('{}:{}'.format(match.group(2), pkg['slot']))
+            else:
+                log.debug('configured level {} < pkg level {}'.format(min_diff, diff))
+
+    return upgradable
+
+def _get_upgradable_packages():
+    log = loggin.getLogger(sau.LOGNAME)
+    conf = sau.config
+    
+    pretend_re = re.compile(r'^\[ebuild ([^\]]*)\] ([^ ]+)( \[([^\])]\])?')
+
+def pkg_upgrade():
+    log = logging.getLogger(sau.LOGNAME)
+    conf = sau.config
+
+    _sync_portage()
+    #packages = _get_upgradable_packages()
+
+    # [ebuild     U ] media-plugins/alsa-plugins-1.1.8 [1.1.6]
+    pretend_re = re.compile(r'^\[ebuild ([^\]]*)\] ([^ ]+)( \[[^\]]+\])?')
+    # media-plugins/alsa-plugins-1.1.8
+    version_re = re.compile(r'^(.*/.*)-(\d+.*)$')
+
+    ignore_re = re.compile(r'^(|.*caus.* rebuilds.*|.*scheduled for merge.*|.*waiting for lock on.*)$')
+    
+    default_version_diff = conf.getint('default', 'min_version_diff', fallback=2)
+
+    cmd = [ EMERGE_PATH, '--color', 'n', '-uDNpq', '@world' ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE)
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if not proc.returncode == 0:
+        log.error('emerge pretend returned {}'.format(proc.returncode))
+        for line in out.splitlines():
+            log.error('stdout: {}'.format(line))
+        for line in err.splitlines():
+            log.error('stderr: {}'.format(line))
+        return False
+
+    do_rebuild = True
+    for line in out.splitlines():
+        if re.match(ignore_re, line):
+            continue
+        match = re.match(pretend_re, line)
+        if not match:
+            log.warning('No match on line: {}'.format(line))
+            continue
+        status = match.group(1)
+        name = match.group(2)
+        old = match.group(3)
+        if not old:
+            continue
+        old = old.strip(' []')
+        nmatch = re.match(version_re, name)
+        name = nmatch.group(1)
+        version = nmatch.group(2)
+
+        min_diff = conf.getint('packages', name, fallback=default_version_diff)
+        diff = sau.helpers.version_diff(version, old)
+        if min_diff >= diff:
+            log.debug('{}-{} -> {} configured level {} >= pkg level {}'.format(name, old, version, min_diff, diff))
+        else:
+            log.warning('{}-{} -> {} configured level {} < pkg level {}'.format(name, old, version, min_diff, diff))
+            do_rebuild = False
+
+    if not do_rebuild:
+        log.warning('Some packages require manual attention, did not upgrade')
+        return False
+
+    cmd = [ EMERGE_PATH, '--color', 'n', '-uDNq', '@world' ]
+    log.debug('Executing "{}"'.format(' '.join(cmd)))
+    proc = subprocess.Popen(
+            cmd,
+            stdout = subprocess.PIPE,
+            stderr = subprocess.PIPE)
+    out, err = proc.communicate()
+    out = out.decode('utf-8')
+    err = err.decode('utf-8')
+
+    if not proc.returncode == 0 or err:
+        log.error('emerge pretend returned {}'.format(proc.returncode))
+        for line in out.splitlines():
+            log.error('stdout: {}'.format(line))
+        for line in err.splitlines():
+            log.error('stderr: {}'.format(line))
+    else:
+        log.info('upgrade complete')
+        for line in out.splitlines():
+            log.warning('stdout: {}'.format(line))
+
diff --git a/sau/helpers.py b/sau/helpers.py
new file mode 100644
index 0000000..5c0c0a5
--- /dev/null
+++ b/sau/helpers.py
@@ -0,0 +1,17 @@
+
+def version_diff(new, old):
+    """ This will return 100 if the versions are not properly compareable,
+    otherwise it will return the number of points that differ. Typically 3 is a
+    major upgrade, 2 minor, 1 point release and patch-levels. It can also
+    return 0 if both versions are the same."""
+    new_list = list(new.rsplit('.'))
+    old_list = list(old.rsplit('.'))
+    common = min(len(new_list), len(old_list))
+    longest = max(len(new_list), len(old_list))
+    diff = longest-common
+    for i in range(0, common):
+        if new_list[i] == old_list[i]:
+            continue
+        return len(new_list) - i + diff
+    return 0
+
diff --git a/sau/platforms.py b/sau/platforms.py
new file mode 100644
index 0000000..b664396
--- /dev/null
+++ b/sau/platforms.py
@@ -0,0 +1,20 @@
+import platform
+
+import sau.errors
+import sau.freebsd
+import sau.gentoo
+
+def get_platform():
+    platform_mod = None
+    if platform.system() == 'FreeBSD':
+        platform_mod = sau.freebsd
+    elif platform.system() == 'Linux':
+        if 'gentoo' in platform.release():
+            platform_mod = sau.gentoo
+
+    if not platform_mod:
+        raise sau.errors.PlatformNotSupported("System: {} Release: {} Version: {} is not supported".format(
+            platform.system(),
+            platform.release(),
+            platform.version()))
+    return platform_mod
diff --git a/sau/services.py b/sau/services.py
new file mode 100644
index 0000000..89ff04e
--- /dev/null
+++ b/sau/services.py
@@ -0,0 +1,127 @@
+#!/usr/bin/env python3.6
+import logging
+import os
+import re
+import subprocess
+import time
+
+import psutil
+
+import sau
+import sau.errors
+import sau.platforms
+
+
+def _get_deleted_open_files(proc):
+    files = set()
+    try:
+        for f in proc.open_files():
+            if f.path and os.path.exists(f.path):
+                continue
+            else:
+                files.add(f)
+    except (psutil.NoSuchProcess, psutil.ZombieProcess, psutil.AccessDenied):
+        pass
+    return files
+
+def get_exe_file(name):
+    log = logging.getLogger(sau.LOGNAME)
+    search_paths = [
+            '/bin'
+            '/sbin'
+            '/usr/bin',
+            '/usr/sbin',
+            '/usr/local/bin',
+            '/usr/local/sbin',
+            '/libexec',
+            '/usr/libexec',
+            '/usr/local/libexec'
+            ]
+    for path in search_paths:
+        if os.path.isdir(path):
+            for root, dirs, files in os.walk(path):
+                if name in files:
+                    log.debug('Found binary for {} at {}'.format(name, root))
+                    return os.path.join(root, name)
+
+def restart_services():
+    log = logging.getLogger(sau.LOGNAME)
+    platform = sau.platforms.get_platform()
+    conf = sau.config
+    check_procs = set()
+    for proc in psutil.process_iter():
+        files = _get_deleted_open_files(proc)
+        if files:
+            log.debug('{} has open deleted files'.format(proc))
+            check_procs.add(proc)
+
+    # wait before the second test
+    time.sleep(1)
+
+    # perform a second check to remove potential false positives
+    service_procs = set()
+    retest_procs = set()
+    for proc in check_procs:
+        files = _get_deleted_open_files(proc)
+        if not files:
+            # no deleted open files for this process any longer
+            continue
+        try:
+            exe = proc.exe()
+            parents = proc.parents()
+        except (psutil.NoSuchProcess, psutil.ZombieProcess, psutil.AccessDenied):
+            # either of the above exceptions means the process has quit
+            continue
+        
+        log.debug('will attempt to restart parent of {}'.format(proc))
+        if len(parents) < 2:
+            log.debug('{} is its own top parent'.format(proc))
+            service_procs.add(proc)
+        else:
+            log.debug('{} has top parent {}'.format(proc, parents[-2]))
+            service_procs.add(parents[-2])
+        retest_procs.add(proc)
+
+    services = set()
+    for proc in service_procs:
+        try:
+            service_exe = proc.exe()
+            proc_name = proc.name()
+        except (psutil.NoSuchProcess, psutil.ZombieProcess, psutil.AccessDenied):
+            log.debug('{} died before it could be restarted'.format(proc))
+            continue
+
+        service_name = conf.get('services', proc_name, fallback=None)
+        if not service_name:
+            # if the exe file has been deleted since started, service_exe will be empty
+            # and we'll have to guess
+            if not service_exe:
+                log.debug('Could not get full path to executable for process {}, will attempt to guess'.format(proc))
+                service_exe = get_exe_file(service_name)
+            if not service_exe:
+                log.error('Failed to find executable for process {}'.format(proc))
+                continue
+
+            try: 
+                service_name = platform.identify_service_from_bin(service_exe)
+            except sau.errors.UnknownServiceError:
+                log.warning('Could not find service for process {}'.format(proc))
+
+        services.add(service_name)
+
+    for service in services:
+        platform.restart_service(service)
+
+    recommend_restart = False
+    for proc in retest_procs:
+        try:
+            exe = proc.exe()
+            name = proc.name()
+        except (psutil.NoSuchProcess, psutil.ZombieProcess, psutil.AccessDenied):
+            log.debug('{} was successfully killed'.format(proc))
+            continue
+
+        if _get_deleted_open_files(proc):
+            log.warning('{} still has deleted files open'.format(proc))
+            recommend_restart = True
+    return recommend_restart
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..5dad518
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python3.6
+from os import environ
+
+from setuptools import setup, find_packages
+
+setup(
+        name='sau',
+        version='0.9.0',
+        description='Tool for auto-updating OS and packages',
+        author='Feffe',
+        author_email='feffe@fulh.ax',
+        url='https://fulh.ax/feffe/sau',
+        platforms=['FreeBSD', 'Linux'],
+        license='BSD',
+        packages=find_packages(),
+        classifiers=[
+            'Development Status :: 4 - Beta',
+            'Environment :: Console',
+            'Intended Audience :: System Administrators',
+            'Programming Language :: Python :: 3',
+            'Topic :: Utilities',
+            ],
+        keywords='auto-update',
+        install_requires=['psutil>=5.6.1'],
+        scripts=['bin/sau']
+        )