osinfo

#!/bin/bash

# (c) Harald Weidner, 2019-02-15
# License: MIT
#
# Checkmk local check
# displays some hardware/OS/kernel information in the monitoring console
#
# example output:
#
# 0 Uname - Linux darkstar 4.15.0-45-generic #48-Ubuntu SMP Tue Jan 29 16:28:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
# 0 LSB_Release - Ubuntu 18.04.2 LTS
# 0 Hostname_IPs - darkstar // 192.168.1.2
# 0 Kernel_Cmdline - BOOT_IMAGE=/vmlinuz-4.15.0-45-generic root=/dev/mapper/system-ubuntu ro nvidia-drm.modeset=1

if type uname >/dev/null 2>&1 ; then
  echo "0 Uname - $(uname -a)"
fi

if type lsb_release >/dev/null 2>&1 ; then
  echo "0 \"LSB Release\" - $(lsb_release -ds)"
fi

if type hostname >/dev/null 2>&1 ; then
  echo "0 \"Hostname and IPs\" - $(hostname -f) // $(hostname -I)"
fi

if [[ -f /proc/cmdline ]]; then
  echo "0 \"Kernel Cmdline\" - $(cat /proc/cmdline)"
fi

if type virt-what >/dev/null 2>&1 ; then
  virt=$(virt-what | tr '\n' ' ')
  if [[ -n "$virt" ]]; then
    echo "0 Hypervisor - Hypervisor(s): $virt(guessed by virt-what)"
  fi
fi