一、查看Linux內核版本命令(兩種方法):
1、cat /proc/version
[root@S-CentOS home]# cat /proc/version
Linux version 2.6.32-431.el6.x86_64 ([email protected]) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC) ) #1 SMP Fri Nov 22 03:15:09 UTC 2013
2、uname -a
[root@S-CentOS home]# uname -a
Linux S-CentOS 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64
二、查看Linux系統版本的命令(3種方法):
1、lsb_release -a(沒有的需要安裝),即可列出所有版本信息:[root@S-CentOS ~]# lsb_release -a
LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 6.5 (Final)
Release: 6.5
Codename: Final這個命令適用於所有的Linux發行版,包括RedHat、SUSE、Debian…等發行版。
2、cat /etc/redhat-release,這種方法只適合Redhat系的Linux:
[root@S-CentOS home]# cat /etc/redhat-release
CentOS release 6.5 (Final)3、cat /etc/issue,此命令也適用於所有的Linux發行版。
[root@S-CentOS home]# cat /etc/issue
CentOS release 6.5 (Final)
Kernel \r on an \mx86_64 GNU/Linux
三、查看內存命令
free(-m 按M計算)
CentOS Linux release 7.3.1611 (Core)
[cloud-user@acceptance-application-23 proc]$ free
total used free shared buff/cache available
Mem: 8010764 7152940 216120 241012 641704 247628Swap: 8388604 2550800 5837804
四、查看硬盤大小命令
df -h 查看每個根路徑的分區大小
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 15G 1.5G 13G 11% /
tmpfs 3.9G 0 3.9G 0% /dev/shm/dev/vdb 197G 188M 187G 1% /mnt