linux服务器配置查看命令，Linux服务器配置查询命令详解，全面解析系统信息及参数配置
Linux服务器配置查看及查询命令详述，涵盖系统信息及参数配置解析，助您全面掌握服务器配置细节。...
Linux服务器配置查看及查询命令详述，涵盖系统信息及参数配置解析，助您全面掌握服务器配置细节。
Linux服务器作为现代企业中不可或缺的一部分，其配置信息的查询对于系统管理员来说至关重要，本文将详细介绍Linux服务器配置查询的相关命令，帮助您全面了解系统信息及参数配置，以便于日常运维工作。
系统信息查询命令
1、uname：查看系统名称、版本、内核版本等信息。
[root@server ~]# uname -a Linux server 3.10.0-514.26.2.el7.x86_64 #1 SMP Tue Aug 9 06:36:00 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
2、hostname：查看或设置主机名。
[root@server ~]# hostname server
3、hostnamectl：查看和设置系统主机名、网络配置等信息。
[root@server ~]# hostnamectl
Static hostname: server
Icon name: computer-vm
Chassis: vm
Machine ID: 123456789abcdef
Boot ID: 12345678-9abcdef-1234-5678-abcdef123456
Virtualization: kvm
Operating System: CentOS Linux 7 (Core)
CPE OS Name: cpe:/o:centos:centos:7
Kernel: Linux 3.10.0-514.26.2.el7.x86_64
Architecture: x86-644、lscpu：查看CPU信息，如型号、核心数、缓存大小等。
[root@server ~]# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Stepping: 9 CPU MHz: 3392.933 BogoMIPS: 6785.48 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 3072K NUMA node0 CPU(s): 0,1
5、cat /proc/cpuinfo：查看CPU详细信息，包括型号、频率、缓存等。
processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 44 model name : Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz stepping : 9 microcode : 0x4000b2 cpu MHz : 3392.933 BogoMIPS : 6785.48 cache size : 3072 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx pdpe1gb rdtscp lahf lm constant_tsc arch_perfmon pebs bts cld wpbs hwp尼奥 bogomips : 6785.480000 clflush size : 64 cache_alignment : 64 address sizes : 46 bits physical, 48 bits virtual power management:
6、free：查看内存使用情况。
[root@server ~]# free -m total used free shared buff/cache available Mem: 3975 768 3167 0 991 3175 Swap: 2048 0 2048
7、df：查看磁盘空间使用情况。
[root@server ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 50G 28G 21G 57% / devtmpfs 1.9G 0 1.9G 0% /dev tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs 1.9G 0 1.9G 0% /run tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup /dev/vdb1 20G 2.2G 17G 11% /home tmpfs 1.9G 0 1.9G 0% /tmp
8、du：查看目录或文件所占空间大小。
[root@server ~]# du -sh /home 1、2G /home
9、ip：查看网络接口信息。
[root@server ~]# ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:16:3e:7a:8a:8b brd ff:ff:ff:ff:ff:ff
inet 192.168.1.101/24 brd 192.168.1.255 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::2163:eaff:fe7a:8a8b/64 scope link
valid_lft forever preferred_lft forever10、netstat：查看网络连接、路由表、接口统计等信息。
[root@server ~]# netstat -antp Active Internet Connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 192.168.1.101:22 192.168.1.101:43223 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:51083 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:52827 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:53303 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:53779 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:54155 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:54531 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:54907 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:55283 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:55659 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:56035 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:56411 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:56787 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:57163 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:57539 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:57915 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:58291 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:58667 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:59043 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:59419 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:59795 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:60171 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:60547 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:60923 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:61299 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:61675 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:62051 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:62427 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:62703 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:63079 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:63455 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:63831 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:64107 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:64483 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:64859 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:65235 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:65511 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:65887 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:66263 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:66639 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:67015 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:67391 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:67767 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:68143 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:68519 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:68895 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:69271 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:69647 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:70023 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:70399 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:70775 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:71151 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:71527 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:71803 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:72179 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:72555 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:72931 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:73207 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:73583 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:73959 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:74335 TIME_WAIT 2521/sshd tcp 0 0 192.168.1.101:22 192.168.1.101:74611 TIME_WAIT
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