Mateusz Suski
80 lines
1.6 KiB
Bash
Executable File
80 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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host="$(hostname)"
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timestamp="$(date '+%Y-%m-%d_%H%M%S')"
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report="/tmp/system_report_${host}_${timestamp}.txt"
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section() {
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printf '\n== %s ==\n' "$1"
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}
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run_or_warn() {
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local description="$1"
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shift
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if command -v "$1" >/dev/null 2>&1; then
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"$@" || printf 'WARNING: %s command failed\n' "$description"
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else
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printf 'WARNING: %s command not available\n' "$1"
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fi
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}
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{
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section "Host"
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hostname
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section "Date"
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date
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section "Uptime"
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uptime
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section "OS"
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if [[ -r /etc/os-release ]]; then
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. /etc/os-release
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printf '%s\n' "${PRETTY_NAME:-Unknown Linux}"
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else
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printf 'WARNING: /etc/os-release not readable\n'
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fi
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section "Kernel"
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uname -r
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section "CPU Load"
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if [[ -r /proc/loadavg ]]; then
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awk '{print "1m="$1, "5m="$2, "15m="$3}' /proc/loadavg
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else
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uptime
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fi
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section "Memory"
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run_or_warn "memory usage" free -h
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section "Disk"
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run_or_warn "disk usage" df -h -x tmpfs -x devtmpfs
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section "Failed systemd Services"
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if command -v systemctl >/dev/null 2>&1; then
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systemctl --failed --no-pager || true
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else
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printf 'WARNING: systemctl command not available\n'
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fi
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section "Listening Ports"
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if command -v ss >/dev/null 2>&1; then
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ss -tuln || printf 'WARNING: ss command failed\n'
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else
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printf 'WARNING: ss command not available\n'
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fi
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section "Recent Kernel Messages"
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if command -v journalctl >/dev/null 2>&1; then
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journalctl -k -n 50 --no-pager || printf 'WARNING: journalctl kernel log query failed\n'
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else
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printf 'WARNING: journalctl command not available\n'
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fi
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} > "$report"
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printf 'System report written to: %s\n' "$report"
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