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1.查看系统位数、内核版本
[root@iz2zecf ~]# uname -a Linux iz2zecf 3.10.0-693.2.2.el7.x86_64 #1 SMP Tue Sep 12 22:26:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
2.查看系统版本
[root@iz2zecf ~]#rpm -q centos-release centos-release-7-4.1708.el7.centos.x86_64
3.查看磁盘分区和使用情况
[root@iz2zecf ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 40G 9.0G 29G 24% / devtmpfs 487M 0 487M 0% /dev tmpfs 497M 0 497M 0% /dev/shm tmpfs 497M 488K 496M 1% /run tmpfs 497M 0 497M 0% /sys/fs/cgroup tmpfs 100M 0 100M 0% /run/user/0 overlay 40G 9.0G 29G 24% /var/lib/docker/overlay2/1b
4.查看内存情况
[root@iz2zecf]# cat /proc/meminfo | head -5 MemTotal: 1016164 kB MemFree: 74444 kB MemAvailable: 59400 kB Buffers: 5896 kB Cached: 88316 kB
5.查看cpu信息
[root@iz2zecf ~]# cat /proc/cpuinfo | grep name model name : Intel(R) Xeon(R) Platinum 8163 CPU @ 2.50GHz
6.显示系统中各个进程的资源占用状况 top
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