리눅스 시스템 정보 확인 방법 (우분투 버전, gcc 버전, libc 버전)

리눅스 시스템 정보 (OS 버전, gcc, libc 버전)을 확인하는 방법입니다.

$ cat /proc/version
Linux version 5.4.0-42-generic (buildd@lgw01-amd64-038) (gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)) #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020

$ cat /etc/issue
Ubuntu 20.04.1 LTS \n \l

$ cat /etc/lsb-release 또는 lsb_release -a
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS"

$ uname -a
Linux kibua20-ubuntuPC 5.4.0-42-generic #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

uname 옵션:

-a, --all
              print  all  information,  in the following order, except
              omit -p and -i if unknown:
-s, --kernel-name
              print the kernel name
-n, --nodename
              print the network node hostname
-r, --kernel-release
              print the kernel release
-v, --kernel-version
              print the kernel version
-m, --machine
              print the machine hardware name
-p, --processor
              print the processor type (non-portable)
-i, --hardware-platform
              print the hardware platform (non-portable)
-o, --operating-system
              print the operating system

$ cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04.1 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.1 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

#Libc 버전 정보

$ getconf -a | grep VERSION
_POSIX_VERSION                     200809
_XOPEN_VERSION                     700
_XOPEN_XCU_VERSION                 4
POSIX2_C_VERSION                   200809
POSIX2_VERSION                     200809
_REGEX_VERSION
GNU_LIBC_VERSION                   glibc 2.31
GNU_LIBPTHREAD_VERSION             NPTL 2.31