linux查看系统信息的命令有哪些
2020-11-12 15:20:58
深夜i
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查看linux系统信息
uname
常用参数搭配:uname -a
root@hecs-x-large-2-linux-20201111114340:~# uname -a
Linux hecs-x-large-2-linux-20201111114340 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:09:48 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
从uname中貌似确实看到了许多信息，但是好像并不是我想要的，没有哪个系统的哪个版本
lsb_release
常用参数搭配:lsb_release -a
root@hecs-x-large-2-linux-20201111114340:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.4 LTS
Release: 18.04
Codename: bionic
free
查看内存信息
root@hecs-x-large-2-linux-20201111114340:~# free
total used free shared buff/cache available
Mem: 4038792 188480 2867324 7472 982988 3592068
Swap: 0 0 0
top
实时监控系统的cpu和内存，默认3s刷新一次
top - 15:14:52 up 19:26, 1 user, load average: 0.00, 0.00, 0.00
Tasks: 98 total, 1 running, 54 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.2 us, 0.0 sy, 0.0 ni, 99.8 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 4038792 total, 2867264 free, 188228 used, 983300 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 3592308 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
20150 root 20 0 41820 3752 3152 R 0.3 0.1 0:00.04 top
1 root 20 0 159960 9248 6740 S 0.0 0.2 0:02.04 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
4 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0H
6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 mm_percpu_wq
7 root 20 0 0 0 0 S 0.0 0.0 0:00.07 ksoftirqd/0
8 root 20 0 0 0 0 I 0.0 0.0 0:02.63 rcu_sched
9 root 20 0 0 0 0 I 0.0 0.0 0:00.00 rcu_bh
10 root rt 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
11 root rt 0 0 0 0 S 0.0 0.0 0:00.09 watchdog/0
12 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuhp/0
13 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuhp/1
14 root rt 0 0 0 0 S 0.0 0.0 0:00.07 watchdog/1
15 root rt 0 0 0 0 S 0.0 0.0 0:00.00 migration/1
16 root 20 0 0 0 0 S 0.0 0.0 0:00.06 ksoftirqd/1
18 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/1:0H
19 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs
20 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 netns
21 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_tasks_kthre
22 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kauditd
25 root 20 0 0 0 0 S 0.0 0.0 0:00.02 khungtaskd
26 root 20 0 0 0 0 S 0.0 0.0 0:00.00 oom_reaper
27 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 writeback
28 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kcompactd0
29 root 25 5 0 0 0 S 0.0 0.0 0:00.00 ksmd
30 root 39 19 0 0 0 S 0.0 0.0 0:00.00 khugepaged
31 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 crypto
32 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kintegrityd
33 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kblockd
34 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 ata_sff
35 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 md
36 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 edac-poller
37 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 devfreq_wq
38 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 watchdogd
41 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kswapd0
42 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/u5:0
43 root 20 0 0 0 0 S 0.0 0.0 0:00.00 ecryptfs-kthrea
85 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kthrotld
86 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 acpi_thermal_pm
87 root 20 0 0 0 0 I 0.0 0.0 0:00.86 kworker/1:2
88 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0
89 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 scsi_tmf_0
90 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1
91 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 scsi_tmf_1
97 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 ipv6_addrconf
106 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kstrp
123 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 charger_manager
174 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 ttm_swap
273 root 0 -20 0 0 0 I 0.0 0.0 0:00.10 kworker/1:1H
280 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 raid5wq
335 root 20 0 0 0 0 S 0.0 0.0 0:00.81 jbd2/vda1-8
336 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 ext4-rsv-conver
386 root 0 -20 0 0 0 I 0.0 0.0 0:00.31 kworker/0:1H
409 root 19 -1 94876 14528 13792 S 0.0 0.4 0:00.15 systemd-journal
418 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 iscsi_eh
426 root 20 0 97708 1816 1636 S 0.0 0.0 0:00.00 lvmetad
df
查看硬盘使用情况
root@hecs-x-large-2-linux-20201111114340:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 1.9G 0 1.9G 0% /dev
tmpfs 395M 7.3M 388M 2% /run
/dev/vda1 40G 4.7G 33G 13% /
tmpfs 2.0G 0 2.0G 0% /dev/shm
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup
tmpfs 395M 0 395M 0% /run/user/0
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