linux 命令大杂烩

  平时看到比较有用的命令记录下来，以备不时之需。

1 查看系统运行时间

  top

  top - 09:31:39 up 15 days,  5:13,  3 users,  load average: 0.00, 0.00, 0.00

[root@node5 AutomationTest]# uptime
16:00:17 up 15 days, 11:41,  3 users,  load average: 0.00, 0.00, 0.00

2 查看rpm包信息

  

  rpm -qpi xxx.rpm

[root@szn-adm-build build]# rpm -qpi heartbeat-3.0.3-2.3.el5.i386.rpm
Name        : heartbeat                    Relocations: (not relocatable)
Version     : 3.0.3                             Vendor: (none)
Release     : 2.3.el5                       Build Date: Thu 15 Jul 2010 05:31:06 PM HKT
Install Date: (not installed)               Build Host: localhost
Group       : System Environment/Daemons    Source RPM: heartbeat-3.0.3-2.3.el5.src.rpm
Size        : 260824                           License: GPLv2 and LGPLv2+
Signature   : (none)
URL         :
Summary     : Messaging and membership subsystem for High-Availability Linux
Description :

  查看系统中已经安装的

  rpm -qai xxx

3 lvm 管理工具

  dmsetup manages logical devices that use the device-mapper driver

[root@aaa bundles]# dmsetup ls
vg02-share      (253, 2)
vg03-common     (253, 4)
vg01-root       (253, 1)
vg02-root       (253, 3)
vg01-share      (253, 0)

  

4 查看用户的uid和gid

  id

5 mount支持的文件系统类型

adfs,  affs, autofs, cifs, coda, coherent, cramfs, debugfs, devpts, efs,
ext, ext2, ext3, hfs, hpfs, iso9660, jfs, minix, msdos, ncpfs, nfs, nfs4, ntfs, proc, qnx4, ramfs, reis-
erfs,  romfs, smbfs, sysv, tmpfs, udf, ufs, umsdos, usbfs, vfat, xenix, xfs, xiafs.

  通过man 8 mount看到的

6 查看硬件信息

  dmidecode

7 查看scis盘信息