sys_hw_info.sh

#!/bin/bash
# Usage: ./sys_hw_info.sh [-s]

show_speed=false
while getopts ":s" opt; do
  [[ $opt == "s" ]] && show_speed=true
done

cpu=$(lscpu 2>/dev/null | awk -F: '/^CPU\(s\)/ {gsub(/ /,"",$2); c=$2} /^Model name/ {m=$2} END {gsub(/^ +| +$/,"",m); print c "x " m}')
ram=$(free -h 2>/dev/null | awk '/^Mem:/ {print $2}')
disk=$(lsblk -d -o NAME,SIZE 2>/dev/null | awk 'NR>1 {printf "%s:%s ", $1,$2}')
os=$(grep '^PRETTY_NAME=' /etc/os-release 2>/dev/null | cut -d= -f2- | tr -d '"')
kernel=$(uname -r)
cgroup=$(stat -fc %T /sys/fs/cgroup 2>/dev/null || echo "unknown")
swap=$(swapon --noheadings --bytes 2>/dev/null | awk '{s+=$3} END {print s? s/1024/1024 "MB":"0MB"}')
load=$(uptime 2>/dev/null | awk -F'load average:' '{print $2}' | xargs)

echo "CPU: $cpu"
echo "RAM: $ram"
echo "Disk: $disk"
echo "OS: $os"
echo "Kernel: $kernel"
echo "Cgroup: $cgroup"
echo "Swap: $swap"
echo "Load Avg:$load"

# Network speeds
nets=$(ls /sys/class/net 2>/dev/null | grep -v lo)
echo -n "Net: "
for i in $nets; do
  spd=""
  if command -v ethtool >/dev/null 2>&1 && ethtool $i &>/dev/null; then
    spd=$(ethtool $i 2>/dev/null | awk -F: '/Speed:/ {print $2}' | xargs)
  elif command -v iwconfig >/dev/null 2>&1 && iwconfig $i &>/dev/null; then
    spd=$(iwconfig $i 2>/dev/null | awk -F: '/Bit Rate=/ {print $2}' | awk '{print $1 $2}')
  fi
  echo -n "$i($spd) "
done
echo

if $show_speed && command -v curl >/dev/null 2>&1; then
  echo "Speed Test:"
  curl -o /dev/null -s -w "Download: %.2f Mbps\n" https://speed.hetzner.de/10MB.bin | awk '{print $1, $2, $3, $4*8/1000000}'
fi