Linux 버전 확인과 지원 상태 점검

date -u '+%Y-%m-%dT%H:%M:%SZ'

if command -v systemd-detect-virt >/dev/null 2>&1; then systemd-detect-virt || printf '%s\n' 'none 또는 감지되지 않음'; else printf '%s\n' 'systemd-detect-virt 없음'; fi

ps -p 1 -o comm=
sed -n '1,20p' /proc/1/cgroup

if [ -r /etc/os-release ]; then grep -E '^(PRETTY_NAME|ID|ID_LIKE|VERSION_ID|VERSION_CODENAME|VARIANT_ID|BUILD_ID)=' /etc/os-release; elif [ -r /usr/lib/os-release ]; then grep -E '^(PRETTY_NAME|ID|ID_LIKE|VERSION_ID|VERSION_CODENAME|VARIANT_ID|BUILD_ID)=' /usr/lib/os-release; else printf '%s\n' 'os-release 파일을 찾지 못했습니다.'; fi

if [ -r /run/host/os-release ]; then grep -E '^(PRETTY_NAME|ID|VERSION_ID)=' /run/host/os-release; else printf '%s\n' '호스트 os-release가 노출되지 않음'; fi

if [ -r /etc/os-release ]; then . /etc/os-release; elif [ -r /usr/lib/os-release ]; then . /usr/lib/os-release; else exit 1; fi
printf 'ID=%s\nVERSION_ID=%s\nID_LIKE=%s\n' "${ID:-unknown}" "${VERSION_ID:-rolling-or-unknown}" "${ID_LIKE:-none}"

uname -s
uname -r
uname -m

getconf LONG_BIT

if command -v dpkg >/dev/null 2>&1; then dpkg --print-architecture; elif command -v rpm >/dev/null 2>&1; then rpm --eval '%{_arch}'; elif command -v apk >/dev/null 2>&1; then apk --print-arch; else printf '%s\n' '패키지 아키텍처 조회 명령 없음'; fi

command -v sh cat grep sed uname getconf

for pm in apt-get dnf yum zypper apk pacman; do command -v "$pm" >/dev/null 2>&1 && printf '%s\n' "$pm"; done

if [ -r /proc/1/comm ]; then cat /proc/1/comm; else printf '%s\n' 'PID 1 이름을 읽을 수 없음'; fi

if grep -qi microsoft /proc/sys/kernel/osrelease 2>/dev/null; then printf '%s\n' 'WSL 단서가 감지됨'; else printf '%s\n' 'WSL 단서 없음'; fi

if command -v dpkg-query >/dev/null 2>&1; then dpkg-query -S /etc/os-release 2>/dev/null; elif command -v rpm >/dev/null 2>&1; then rpm -qf /etc/os-release 2>/dev/null; elif command -v apk >/dev/null 2>&1; then apk info --who-owns /etc/os-release 2>/dev/null; elif command -v pacman >/dev/null 2>&1; then pacman -Qo /etc/os-release 2>/dev/null; else printf '%s\n' '패키지 소유자 조회 방식 확인 필요'; fi

command -v pro >/dev/null 2>&1 && pro status
command -v pro >/dev/null 2>&1 && pro security-status
command -v apt-cache >/dev/null 2>&1 && apt-cache policy

command -v subscription-manager >/dev/null 2>&1 && subscription-manager status
command -v subscription-manager >/dev/null 2>&1 && subscription-manager repos --list-enabled
if command -v dnf >/dev/null 2>&1; then dnf repolist --enabled; elif command -v yum >/dev/null 2>&1; then yum repolist enabled; fi

command -v dnf >/dev/null 2>&1 && dnf supportinfo --show installed

command -v SUSEConnect >/dev/null 2>&1 && SUSEConnect -s
command -v zypper >/dev/null 2>&1 && zypper repos -u

date -u '+%Y-%m-%dT%H:%M:%SZ'

if command -v systemd-detect-virt >/dev/null 2>&1; then systemd-detect-virt || printf '%s\n' 'none 또는 감지되지 않음'; else printf '%s\n' 'systemd-detect-virt 없음'; fi

if [ -r /etc/os-release ]; then cat /etc/os-release; elif [ -r /usr/lib/os-release ]; then cat /usr/lib/os-release; else printf '%s\n' 'os-release 파일을 찾지 못했습니다.'; fi
uname -srmo