160 lines
5.6 KiB
Bash
Executable File
160 lines
5.6 KiB
Bash
Executable File
#!/bin/bash
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# Gather system information from a remote server
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# Output format: [section] headers followed by key=value pairs
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echo "[system]"
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echo "hostname=$(hostname)"
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if [ -f /etc/os-release ]; then
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. /etc/os-release
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echo "os_name=$NAME"
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echo "os_version=$VERSION_ID"
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echo "os_pretty=$PRETTY_NAME"
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fi
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echo "kernel=$(uname -r)"
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echo "arch=$(uname -m)"
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echo "uptime_seconds=$(cut -d' ' -f1 /proc/uptime 2>/dev/null | cut -d. -f1)"
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# Motherboard (readable without root on most systems)
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echo "board_vendor=$(cat /sys/class/dmi/id/board_vendor 2>/dev/null || echo 'Unknown')"
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echo "board_name=$(cat /sys/class/dmi/id/board_name 2>/dev/null || echo 'Unknown')"
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echo "board_version=$(cat /sys/class/dmi/id/board_version 2>/dev/null || echo 'Unknown')"
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echo "bios_version=$(cat /sys/class/dmi/id/bios_version 2>/dev/null || echo 'Unknown')"
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echo "bios_date=$(cat /sys/class/dmi/id/bios_date 2>/dev/null || echo 'Unknown')"
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echo "[cpu]"
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echo "model=$(lscpu 2>/dev/null | grep 'Model name' | sed 's/Model name:[[:space:]]*//')"
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echo "cores=$(nproc 2>/dev/null || echo 0)"
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echo "sockets=$(lscpu 2>/dev/null | grep 'Socket(s)' | awk '{print $2}')"
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echo "threads_per_core=$(lscpu 2>/dev/null | grep 'Thread(s) per core' | awk '{print $2}')"
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# CPU usage - sample /proc/stat with 1 second interval
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read -r label user1 nice1 system1 idle1 iowait1 irq1 softirq1 steal1 < /proc/stat
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sleep 1
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read -r label user2 nice2 system2 idle2 iowait2 irq2 softirq2 steal2 < /proc/stat
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total1=$((user1 + nice1 + system1 + idle1 + iowait1 + irq1 + softirq1 + steal1))
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total2=$((user2 + nice2 + system2 + idle2 + iowait2 + irq2 + softirq2 + steal2))
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diff_total=$((total2 - total1))
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diff_idle=$((idle2 - idle1))
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if [ $diff_total -gt 0 ]; then
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usage_x10=$(( (diff_total - diff_idle) * 1000 / diff_total ))
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whole=$((usage_x10 / 10))
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frac=$((usage_x10 % 10))
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echo "usage_percent=${whole}.${frac}"
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else
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echo "usage_percent=0.0"
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fi
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# Temperatures - try sensors (lm-sensors), fall back to thermal zones
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echo "[temperatures]"
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if command -v sensors &>/dev/null; then
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sensors 2>/dev/null | awk -F'[: ]+' '
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/^[^ ]/ { chip=$1 }
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/°C/ {
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label=$1
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gsub(/^ +| +$/, "", label)
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match($0, /[+-]([0-9]+\.[0-9]+)°C/, m)
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if (m[1]+0 > 0) print chip "/" label "=" m[1]
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}
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'
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else
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for tz in /sys/class/thermal/thermal_zone*; do
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[ -f "$tz/temp" ] || continue
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type=$(cat "$tz/type" 2>/dev/null || echo "unknown")
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temp_mc=$(cat "$tz/temp" 2>/dev/null || echo 0)
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temp_c=$((temp_mc / 1000))
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temp_frac=$(( (temp_mc % 1000) / 100 ))
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[ "$temp_c" -gt 0 ] 2>/dev/null && echo "${type}=${temp_c}.${temp_frac}"
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done
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fi
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echo "[memory]"
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total_kb=$(grep MemTotal /proc/meminfo 2>/dev/null | awk '{print $2}')
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available_kb=$(grep MemAvailable /proc/meminfo 2>/dev/null | awk '{print $2}')
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if [ -n "$total_kb" ] && [ -n "$available_kb" ]; then
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used_kb=$((total_kb - available_kb))
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total_mb=$((total_kb / 1024))
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used_mb=$((used_kb / 1024))
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available_mb=$((available_kb / 1024))
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if [ "$total_kb" -gt 0 ]; then
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usage_x10=$((used_kb * 1000 / total_kb))
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whole=$((usage_x10 / 10))
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frac=$((usage_x10 % 10))
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echo "usage_percent=${whole}.${frac}"
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else
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echo "usage_percent=0.0"
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fi
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echo "total_mb=$total_mb"
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echo "used_mb=$used_mb"
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echo "available_mb=$available_mb"
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fi
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# Physical disks
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lsblk -b -n -o NAME,SIZE,TYPE 2>/dev/null | while read -r name size type; do
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if [ "$type" = "disk" ]; then
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echo "[disk:$name]"
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echo "name=$name"
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echo "size_bytes=$size"
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fi
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done
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# Mounted filesystem usage
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df -B1 --output=target,size,used,avail,pcent 2>/dev/null | tail -n +2 | while read -r mount total used avail percent; do
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case "$mount" in
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/|/home|/var|/tmp|/boot|/data*|/mnt*|/srv*|/opt*)
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safename=$(echo "$mount" | tr '/' '_')
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echo "[disk_usage:${safename}]"
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echo "mount=$mount"
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echo "total_bytes=$total"
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echo "used_bytes=$used"
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echo "available_bytes=$avail"
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echo "usage_percent=${percent%\%}"
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;;
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esac
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done
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# GPUs
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gpu_idx=0
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while read -r line; do
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echo "[gpu:$gpu_idx]"
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echo "description=$line"
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gpu_idx=$((gpu_idx + 1))
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done < <(lspci 2>/dev/null | grep -iE 'vga|3d|display')
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# Network interfaces
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for iface in $(ls /sys/class/net/ 2>/dev/null); do
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[ "$iface" = "lo" ] && continue
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echo "[net:$iface]"
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echo "name=$iface"
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echo "mac=$(cat /sys/class/net/$iface/address 2>/dev/null)"
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echo "ipv4=$(ip -4 addr show "$iface" 2>/dev/null | grep -oP 'inet \K[0-9.]+' | head -1)"
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echo "ipv6=$(ip -6 addr show "$iface" 2>/dev/null | grep -oP 'inet6 \K[0-9a-f:]+' | grep -v '^fe80' | head -1)"
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echo "state=$(cat /sys/class/net/$iface/operstate 2>/dev/null)"
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speed=$(cat /sys/class/net/$iface/speed 2>/dev/null)
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[ -n "$speed" ] && [ "$speed" != "-1" ] && echo "speed_mbps=$speed"
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driver=$(readlink /sys/class/net/$iface/device/driver 2>/dev/null | xargs basename 2>/dev/null)
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[ -n "$driver" ] && echo "driver=$driver"
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done
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echo "[routing]"
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default_line=$(ip route 2>/dev/null | grep default | head -1)
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echo "gateway=$(echo "$default_line" | awk '{print $3}')"
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echo "interface=$(echo "$default_line" | awk '{print $5}')"
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echo "[dns]"
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grep -E '^nameserver' /etc/resolv.conf 2>/dev/null | awk '{print "server=" $2}'
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echo "[tailscale]"
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if command -v tailscale &>/dev/null; then
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echo "installed=true"
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echo "ipv4=$(tailscale ip -4 2>/dev/null)"
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echo "hostname=$(tailscale status --self --json 2>/dev/null | grep -o '"DNSName":"[^"]*"' | head -1 | cut -d'"' -f4)"
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else
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echo "installed=false"
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fi
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echo "[end]"
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