查看 Linux 系统架构的命令

整理一些查看 Linux 系统架构的命令汇总。

查看内核版本

• cat /proc/version

  $ cat /proc/version
  Linux version 5.13.0-30-generic (buildd@lcy02-amd64-003) (gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #33~20.04.1-Ubuntu SMP Mon Feb 7 14:25:10 UTC 2022

• uname -a

  $ uname -a
  Linux hih-l-9286 5.13.0-30-generic #33~20.04.1-Ubuntu SMP Mon Feb 7 14:25:10 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

• uname -r

  $ uname -r
  5.13.0-30-generic

查看 Linux 版本信息

• lsb_release -a

  $ lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 20.04.4 LTS
  Release:	20.04
  Codename:	focal

• cat /etc/issue

  $ cat /etc/issue
  Ubuntu 20.04.4 LTS \n \l

查看 linux 是 64 为还是 32 位

• getconf LONG_BIT

  $ getconf LONG_BIT
  64

• file /bin/ls

  $ file /bin/ls
  /bin/ls: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=2f15ad836be3339dec0e2e6a3c637e08e48aacbd, for GNU/Linux 3.2.0, stripped

查看系统的架构

• dpkg --print-architecture

  $ dpkg --print-architecture
  amd64

• arch

  $ arch
  x86_64

• file /lib/systemd/systemd

  $ file /lib/systemd/systemd
  /lib/systemd/systemd: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=52d683fd53e75da4dcfe607c8080cdf2d8ae1ce5, for GNU/Linux 3.2.0, stripped

查看 Mint 系统对应的 Ubuntu 系统

使用 cat /etc/os-release 命令也可以获取到 Ubuntu 代号：

$ cat /etc/os-release 
NAME="Ubuntu"
VERSION="20.04.4 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.4 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