Linux 机器信息包括操作系统版本、内核版本、CPU 型号、内存大小、磁盘空间和网络配置等。
Linux 机器信息详解
在 Linux 操作系统中，获取机器的硬件和软件信息对于系统管理员和用户来说至关重要，本文将详细介绍如何通过命令行工具获取 Linux 机器的各种信息，包括 CPU、内存、硬盘、网络接口等关键部件的信息，以下是一些常用的方法和命令：
查看系统信息
uname -a
显示系统名称、节点名称、操作系统发行版号、操作系统版本和运行系统的机器 ID 号。
uname -a
输出示例：
Linux hostname 5.4.0-42-generic #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
lsb_release -a
显示操作系统的详细信息。
lsb_release -a
输出示例：
No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal
查看 CPU 信息
lscpu
显示 CPU 架构、型号、核心数、线程数等信息。
lscpu
输出示例：
Architecture: x86_64 CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 158 Model name: Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz Stepping: 9 CPU MHz: 2808.000 BogoMIPS: 5616.00 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 6144K NUMA node(s): 1 ...
cat /proc/cpuinfo
显示每个 CPU 的详细信息。
cat /proc/cpuinfo | grep "model name" | head -n 1
输出示例：
model name : Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
查看内存信息
free -m
显示内存使用情况，包括已用内存、可用内存和交换空间。
free -m
输出示例：
total used free shared buff/cache available
Mem: 7979 1126 6431 159 419 6551
Swap: 2047 0 2047 cat /proc/meminfo
显示详细的内存使用情况。
cat /proc/meminfo | grep MemTotal
输出示例：
MemTotal: 32941268 kB
查看硬盘信息
lsblk
列出块设备信息，如硬盘、固态硬盘和闪存驱动器等。
lsblk
输出示例：
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 465.8G 0 disk ├─sda1 8:1 0 1G 0 part /boot ├─sda2 8:2 0 9.3G 0 part [SWAP] ├─sda3 8:3 0 74.5G 0 part / ├─sda4 8:4 0 1K 0 part └─sda5 8:5 0 111.8G 0 part /home
df -h
显示磁盘分区大小、已用空间和可用空间。
df -h
输出示例：
Filesystem Size Used Avail Use% Mounted on udev 2.0G 0 2.0G 0% /dev tmpfs 396M 1.4M 395M 1% /run /dev/sda3 74G 20G 50G 28% / tmpfs 2.0G 28M 2.0G 2% /dev/shm tmpfs 2.0G 44M 2.0G 3% /run/user/1000
fdisk -l
显示硬盘和分区的详细信息。
sudo fdisk -l
输出示例：
Disk /dev/sda: 465.8 GiB, 40 GiB disk ... Device Boot Start End Blocks Sectors Size Id Type /dev/sda1 * 2048 2148351 1073152+ 512 536870912 1G Linux filesystem /dev/sda2 2148352 22464959 5120000 512 5120000 82 Linux swap / Solaris /dev/sda3 22464960 297389183 752161264 512 374.5G Linux filesystem /dev/sda4 297389184 489619391 1922304064 512 932.5G Linux LVM /dev/sda5 297389186 412305407 1149162242 512 555.5G Linux filesystem
查看网络接口信息
ifconfig 或ip addr
显示网络接口信息，如 IP 地址、MAC 地址、网关等。
ifconfig -a
输出示例：
eth0: flags=4163<UP,BROADCAST>RUNNING>MULTICAST>PROMISC>MASTER>SLAVE>DYNAMIC>
... state UP ...
... inet 192.168.1.100 netmask 255.255.255.0 broadcast 192.168.1.255 ...
ether b8:97:5a:17:b3:8f ...
... inet6 fe80::baff:caff:fe17:b38f ... scope link ...
lo: flags=73<UPLOOPBACK;RUNNING> mtu 65536 ... inet 127.0.0.1 netmask 255.0.0.0 ... loop back inet6 ... ... 或者：
ip addr show
输出示例：
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 ... inet 192.168.1.100/24 brd ... promisc ... state DOWN qlen 100 ... up ... qlen 1000 ... state UNKNOWN qlen 100 ... 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到此，以上就是小编对于“linux 机器信息”的问题就介绍到这了，希望介绍的几点解答对大家有用，有任何问题和不懂的，欢迎各位朋友在评论区讨论，给我留言。
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