It shows the same number as for sysctl

The summary of this run:
time configurations reported no deviations
saptune reported no deviations
sysctl reported 8 deviation/s
packages reported no deviations
IBM service and productivity tools packages reported 8 deviation/s

Change the current argument parsing for std argparse

We should check when 2145 taht at least this file exists /etc/udev/rules.d/99-ibm-2145.rules

Maybe even the content is:

Set SCSI command timeout to 120s (default == 30 or 60) for IBM 2145 devices

SUBSYSTEM=="block", ACTION=="add", ENV{ID_VENDOR}=="IBM",ENV{ID_MODEL}=="2145", RUN+="/bin/sh -c 'echo 120 >/sys/block/%k/device/timeout'"

Add an option to generate an output file with the output of the run in addition to show in on screen

Change the code to PEP8 guidelines

https://www.python.org/dev/peps/pep-0008/

In case a package is on error state is shown as error but summary shows is OK and green

WARNING: vm.pagecache_limit_mbcurrent value does not exists
ERROR: net.core.somaxconn is 128 and should be 4096
ERROR: net.ipv4.tcp_max_syn_backlog is 2048 and should be 8192
ERROR: net.ipv4.tcp_tw_reuse is 0 and should be 1
OK: net.ipv4.tcp_timestamps it is set to the recommended value of 1

At least check for TMO settings that are common for all OS

2292690 - SAP HANA DB: Recommended OS settings for RHEL 7