Linux 기본 명령어와 서버 정보 수집

hostnamectl

cat /etc/os-release

uname -r

uname -m

systemd-detect-virt

lscpu

nproc

free -h

lsblk -e7 -o NAME,SIZE,TYPE,FSTYPE,MOUNTPOINT

df -hT

ip -br address

ip route

resolvectl status 2>/dev/null || cat /etc/resolv.conf

sudo ss -lntup

ss -s

uptime

systemctl --failed --no-pager

ps -eo pid,user,%cpu,%mem,etime,comm --sort=-%cpu | head -20

systemctl list-units --type=service --state=running --no-pager

java -version 2>&1; nginx -v 2>&1; docker --version 2>&1; psql --version 2>&1; redis-server --version 2>&1

#!/usr/bin/env sh
printf '%s
' '=== 서버 식별 ==='
printf '서버명/Hostname: '; hostname -f 2>/dev/null || hostname
printf '서버 용도: [직접 입력: WEB/WAS/DB/AI/Judge 등]
'
printf '환경: [직접 입력: 개발/검증/운영]
'
printf '내부 IPv4: '; ip -o -4 addr show scope global 2>/dev/null | awk '{print $2 "=" $4}' | paste -sd ', ' -
printf '%s
' '=== OS / Kernel ==='
grep -E '^(PRETTY_NAME|VERSION_ID)=' /etc/os-release 2>/dev/null
printf 'Kernel: '; uname -r
printf 'Architecture: '; uname -m
printf 'Virtualization: '; systemd-detect-virt 2>/dev/null || printf '확인 불가
'
printf '%s
' '=== CPU / Memory / Disk ==='
lscpu 2>/dev/null | grep -E '^(Architecture|CPU(s)|Core(s) per socket|Socket(s)|Model name):'
free -h
lsblk -e7 -o NAME,SIZE,TYPE,FSTYPE,MOUNTPOINT
df -hT
printf '%s
' '=== Network ==='
ip -br address
ip route
printf '%s
' '=== 주요 실행 서비스 ==='
systemctl list-units --type=service --state=running --no-pager 2>/dev/null
printf '주요 SW/DB/Middleware: [출력 확인 후 직접 요약]
'
printf '보안 SW: [고객사 표준 Agent 확인 후 직접 입력]
'
printf '비고: [HA/이중화/특이사항 직접 입력]
'