dmidecode |more
dmesg |more
这2个命令出来的信息都非常多,所以建议后面使用"|more"便于查看
getconf LONG_BIT
cat /proc/meminfo |more (注意输出信息的最后一行:MachineMem: 41932272 kB)
free -m
root@localhost ~]# free -m total used free shared buffers cached Mem: 503 331 171 0 75 156 -/+ buffers/cache: 99 404 Swap: 509 0 509
top
cat/proc/partitions
方法一:
ethtool eth0 采用此命令可以查看到网卡相关的技术指标
(不一定所有网卡都支持此命令)
ethtool -i eth1 加上 -i 参数查看网卡驱动
可以尝试其它参数查看网卡相关技术参数
方法二:
也可以通过dmesg | grep eth0等看到网卡名字(厂家)等信息
通过查看/etc/sysconfig/network-scripts/ifcfg-eth0可以看到当前的网卡配置包括IP、网关地址等信息。
当然也可以通过ifconfig命令查看。
[root@localhost ~]# mount /dev/cdrom mount_point mount: block device /dev/cdrom is write-protected, mounting read-only其实仔细看一下,光驱的设备文件是 scd0
root@localhost ~]# ls -l /dev/cdrom* lrwxrwxrwx 1 root root 4 08-24 16:21 /dev/cdrom -> scd0 lrwxrwxrwx 1 root root 4 08-24 16:21 /dev/cdrom-sr0 -> scd0因此我们也可以这样
mount /dev/scd0 mount_point
[root@localhost ~]# mount /dev/scd0 /mnt/cd mount: block device /dev/scd0 is write-protected, mounting read-only
如果光驱里没放入有效光盘,则报错:
[root@localhost ~]# mount /dev/scd0 mount_pointmount: 找不到介质
Disk /dev/sdd: 1967 MB, 1967128576 bytes 151 heads, 56 sectors/track, 454 cylinders Units = cylinders of 8456 * 512 = 4329472 bytes Device Boot Start End Blocks Id System /dev/sdd1 1 423 1787904 b W95 FAT32 Partition 1 has different physical/logical beginnings (non-Linux?): phys=(0, 2, 3) logical=(0, 2, 17) Partition 1 has different physical/logical endings: phys=(222, 150, 56) logical=(422, 133, 56)
可以通过 lsusb 命令查看 USB 设备信息哦:
root@localhost ~]# lsusb Unknown line at line 5959 Unknown line at line 5960 Unknown line at line 5961 Unknown line at line 5962 Unknown line at line 5963 Unknown line at line 5964 Unknown line at line 5965 Unknown line at line 5966 Unknown line at line 5967 Unknown line at line 5968 Unknown line at line 5969 Unknown line at line 5970 Bus 001 Device 001: ID 0000:0000 Bus 002 Device 003: ID 18e3:9106 //表示第二个USB主控制器 Bus 002 Device 001: ID 0000:0000 [root@localhost ~]# lspci | grep USB //总共有几个USB总控制器 02:00.0 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB 02:03.0 USB Controller: VMware Inc Abstract USB2 EHCI Controller