Linux查看硬件信息命令

Linux查看硬件信息命令

一、查看服务器硬件信息

(1)查看服务器型号、序列号

[root@Master ~]# dmidecode|grep "System Information" -A9|egrep  "Manufacturer|Product|Serial"

(2)查看主板型号

[root@Master ~]# dmidecode |grep -A16 "System Information$"

(3)查看BIOS信息

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[root@Master ~]# dmidecode -t bios

# dmidecode 2.12

SMBIOS 2.8 present.

Handle 0x0008, DMI type 0, 24 bytes

BIOS Information

        Vendor: HP

        Version: U19

        Release Date: 12/27/2015

        Address: 0xF0000

        Runtime Size: 64 kB

        ROM Size: 16384 kB

        Characteristics:

                PCI is supported

                PNP is supported

                BIOS is upgradeable

                BIOS shadowing is allowed

                ESCD support is available

                Boot from CD is supported

                Selectable boot is supported

                EDD is supported

                5.25"/360 kB floppy services are supported (int 13h)

                5.25"/1.2 MB floppy services are supported (int 13h)

                3.5"/720 kB floppy services are supported (int 13h)

                Print screen service is supported (int 5h)

                8042 keyboard services are supported (int 9h)

                Serial services are supported (int 14h)

                Printer services are supported (int 17h)

                CGA/mono video services are supported (int 10h)

                ACPI is supported

                USB legacy is supported

                BIOS boot specification is supported

                Function key-initiated network boot is supported

                Targeted content distribution is supported

                UEFI is supported

        BIOS Revision: 2.0

        Firmware Revision: 2.40

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  (3)查看内存槽及内存条

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[root@Master ~]# dmidecode -t memory | head -45 | tail -23

Memory Device

        Array Handle: 0x000A

        Error Information Handle: Not Provided

        Total Width: 72 bits

        Data Width: 64 bits

        Size: 16384 MB

        Form Factor: DIMM

        Set: None

        Locator: PROC 1 DIMM 1

        Bank Locator: Not Specified

        Type: DDR4

        Type Detail: Synchronous Registered (Buffered)

        Speed: 2133 MHz

        Manufacturer: HP   

        Serial Number: Not Specified

        Asset Tag: Not Specified

        Part Number: 752369-081

        Rank: 2

        Configured Clock Speed: 2133 MHz

        Minimum Voltage:  1.2 V

        Maximum Voltage:  1.2 V

        Configured Voltage:  1.2 V

[root@Master ~]#

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  (4)查看网卡信息

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[root@Master ~]# dmesg | grep -i Ethernet

igb: Intel(R) Gigabit Ethernet Network Driver - version 5.3.0-k

igb 0000:04:00.0: Intel(R) Gigabit Ethernet Network Connection

igb 0000:04:00.1: Intel(R) Gigabit Ethernet Network Connection

igb 0000:04:00.2: Intel(R) Gigabit Ethernet Network Connection

igb 0000:04:00.3: Intel(R) Gigabit Ethernet Network Connection

igb 0000:02:00.0: Intel(R) Gigabit Ethernet Network Connection

igb 0000:02:00.1: Intel(R) Gigabit Ethernet Network Connection

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(5) 查看pci信息,即主板所有硬件槽信息

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[root@Master ~]# lspci | head -10

00:00.0 Host bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DMI2 (rev 02)

00:01.0 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 1 (rev 02)

00:01.1 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 1 (rev 02)

00:02.0 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)

00:02.1 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)

00:02.2 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)

00:02.3 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)

00:03.0 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 3 (rev 02)

00:03.1 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 3 (rev 02)

00:03.2 PCI bridge: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 3 (rev 02)

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二、查看CPU信息

(1)查看cpu型号

[root@Master ~]# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

    40  Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz

(2)查看系统中实际物理CPU的数量(物理)

[root@Master ~]# grep 'physical id' /proc/cpuinfo | sort | uniq | wc -l

2

(3)系统中实际物理CPU的数量(核数)

[root@Master ~]# cat /proc/cpuinfo |grep 'processor'|wc -l

40

(4)查看每个物理CPU中core的个数(即核数)

[root@Master ~]# cat /proc/cpuinfo |grep "cores"|uniq

cpu cores      : 10

(5)查看CPU的主频

[root@Master ~]# cat /proc/cpuinfo |grep MHz|uniq

cpu MHz        : 1200.000

cpu MHz        : 2300.000

cpu MHz        : 1200.000

(6)查看CPU的详细信息

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[root@Master ~]# cat /proc/cpuinfo | head -20

processor      : 0                          //逻辑处理器的ID

vendor_id      : GenuineIntel

cpu family      : 6

model          : 63

model name      : Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz  //CPU型号

stepping        : 2

microcode      : 54

cpu MHz        : 1200.000

cache size      : 25600 KB

physical id    : 0

siblings        : 20                //相同物理封装处理器中逻辑处理器数

core id        : 0

cpu cores      : 10              //相同物理封装处理器中的内核数

apicid          : 0

initial apicid  : 0

fpu            : yes

fpu_exception  : yes

cpuid level    : 15

wp              : yes

flags          : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase bmi1 avx2 smep bmi2 erms invpcid cqm cqm_llc cqm_occup_llc

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(7)查看CPU的相关信息

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[root@Master ~]# lscpu

Architecture:          x86_64

CPU op-mode(s):        32-bit, 64-bit

Byte Order:            Little Endian

CPU(s):                40

On-line CPU(s) list:  0-39

Thread(s) per core:    2

Core(s) per socket:    10

Socket(s):            2

NUMA node(s):          2

Vendor ID:            GenuineIntel

CPU family:            6

Model:                63

Model name:            Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz

Stepping:              2

CPU MHz:              1200.000

BogoMIPS:              4594.43

Virtualization:        VT-x

L1d cache:            32K

L1i cache:            32K

L2 cache:              256K

L3 cache:              25600K

NUMA node0 CPU(s):    0-9,20-29

NUMA node1 CPU(s):    10-19,30-39

[root@Master ~]#

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(8)查看cpu运行模式

[root@Master ~]# getconf LONG_BIT

64

(9)查看cpu是否支持64bit

[root@Master ~]#  cat /proc/cpuinfo | grep flags | grep ' lm ' | wc -l

40

(结果大于0, 说明支持64bit计算. lm指long mode, 支持lm则是64bit)

三、查看内存信息

(1)查看内存硬件信息

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root@Master ~]# dmidecode -t memory | head -45 | tail -24

Handle 0x000C, DMI type 17, 40 bytes

Memory Device

        Array Handle: 0x000A

        Error Information Handle: Not Provided

        Total Width: 72 bits

        Data Width: 64 bits

        Size: 16384 MB

        Form Factor: DIMM

        Set: None

        Locator: PROC 1 DIMM 1

        Bank Locator: Not Specified

        Type: DDR4

        Type Detail: Synchronous Registered (Buffered)

        Speed: 2133 MHz

        Manufacturer: HP   

        Serial Number: Not Specified

        Asset Tag: Not Specified

        Part Number: 752369-081

        Rank: 2

        Configured Clock Speed: 2133 MHz

        Minimum Voltage:  1.2 V

        Maximum Voltage:  1.2 V

        Configured Voltage:  1.2 V

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(2)最大支持多少内存

[root@Master ~]# dmidecode|grep -P 'Maximum\s+Capacity'

(3)Linux 查看内存的插槽数,已经使用多少插槽.每条内存多大:

(4)Linux 查看内存的频率:

[root@Master ~]# dmidecode|grep -A16 "Memory Device"|grep 'Speed'

(5)Linux 查看内存的详细信息:

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[root@Master ~]# cat /proc/meminfo |head -20

MemTotal:      131897620 kB

MemFree:          414124 kB

Buffers:        1040560 kB

Cached:        111083180 kB

SwapCached:        1320 kB

Active:          7637912 kB

Inactive:      110607108 kB

Active(anon):    4406900 kB

Inactive(anon):  1714900 kB

Active(file):    3231012 kB

Inactive(file): 108892208 kB

Unevictable:    10878976 kB

Mlocked:        5521652 kB

SwapTotal:      16777212 kB

SwapFree:      16737536 kB

Dirty:              180 kB

Writeback:            0 kB

AnonPages:      16999324 kB

Mapped:          149020 kB

Shmem:              172 kB

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(6)Linux 查看内存的使用情况

[root@Master ~]# free -m    // -b,-k,-m,-g show output in bytes, KB, MB, or GB

            total      used      free    shared    buffers    cached

Mem:        128806    123407      5398          0      1015    103474

-/+ buffers/cache:      18918    109888

Swap:        16383        38      16345

四、查看硬盘信息

(1)查看挂接的分区状态

[root@Master ~]# fdisk -l |grep Disk

(2)查看硬盘和分区分布

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[root@Master ~]# lsblk

NAME  MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT

sda      8:0    0 279.4G  0 disk

├─sda1  8:1    0    50M  0 part /boot

├─sda2  8:2    0  100G  0 part /

├─sda3  8:3    0    50G  0 part /home

├─sda4  8:4    0    1K  0 part

├─sda5  8:5    0    16G  0 part [SWAP]

├─sda6  8:6    0  13.3G  0 part /tmp

└─sda7  8:7    0  100G  0 part /usr

sdb      8:16  0  83.7T  0 disk

└─sdb1  8:17  0  83.7T  0 part /PureDisk

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(3)查看硬盘和分区的详细信息

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[root@Master ~]# fdisk -l         

Disk /dev/sda: 300.0 GB, 299966445568 bytes

255 heads, 63 sectors/track, 36468 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 262144 bytes / 262144 bytes

Disk identifier: 0x000384d9

  Device Boot      Start        End      Blocks  Id  System

/dev/sda1  *          1          7      51200  83  Linux

Partition 1 does not end on cylinder boundary.

/dev/sda2              7      13061  104857600  83  Linux

/dev/sda3          13061      19588    52428800  83  Linux

/dev/sda4          19588      36469  135597056    5  Extended

/dev/sda5          19588      21677    16777216  82  Linux swap / Solaris

/dev/sda6          21677      23415    13962240  83  Linux

/dev/sda7          23416      36469  104854528  83  Linux

WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sdb: 92017.3 GB, 92017310654464 bytes

255 heads, 63 sectors/track, 11187134 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 262144 bytes / 6029312 bytes

Disk identifier: 0x00000000

  Device Boot      Start        End      Blocks  Id  System

/dev/sdb1              1      267350  2147483647+  ee  GPT

Partition 1 does not start on physical sector boundary.

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(4)查看挂接的分区状态

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[root@Master ~]# mount | column -t

/dev/sda2  on  /                        type  ext4        (rw)

proc      on  /proc                    type  proc        (rw)

sysfs      on  /sys                      type  sysfs        (rw)

devpts    on  /dev/pts                  type  devpts      (rw,gid=5,mode=620)

tmpfs      on  /dev/shm                  type  tmpfs        (rw)

/dev/sda1  on  /boot                    type  ext4        (rw)

/dev/sda3  on  /home                    type  ext4        (rw)

/dev/sda6  on  /tmp                      type  ext4        (rw)

/dev/sda7  on  /usr                      type  ext4        (rw)

/dev/sdb1  on  /PureDisk                type  ext4        (rw)

none      on  /proc/sys/fs/binfmt_misc  type  binfmt_misc  (rw

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(5)查看挂接的分区状态

[root@Master ~]# swapon -s 

Filename                                Type            Size    Used    Priority

/dev/sda5                              partition      16777212        39676  -1

(6)查看硬盘使用情况

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[root@Master ~]# df -hT

Filesystem    Type  Size  Used Avail Use% Mounted on

/dev/sda2      ext4    99G  561M  93G  1% /

tmpfs          tmpfs  63G  76K  63G  1% /dev/shm

/dev/sda1      ext4    45M  38M  4.9M  89% /boot

/dev/sda3      ext4    50G  52M  47G  1% /home

/dev/sda6      ext4    13G  34M  13G  1% /tmp

/dev/sda7      ext4    99G  21G  73G  23% /usr

/dev/sdb1      ext4    84T  41T  40T  51% /PureDisk

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(7) 硬盘检测命令smartctl

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[root@Master ~]# smartctl -a /dev/sda

smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-642.el6.x86_64] (local build)

Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net

Vendor:              HP     

Product:              LOGICAL VOLUME 

Revision:            3.56

User Capacity:        299,966,445,568 bytes [299 GB]

Logical block size:  512 bytes

Logical Unit id:      0x600508b1001cc8a1b9ec4dacc5ab35dc

Serial number:        PDNNK0BRH9U0AG 

Device type:          disk

Local Time is:        Mon Feb  5 13:13:33 2018 CST

Device supports SMART and is Enabled

Temperature Warning Disabled or Not Supported

SMART Health Status: OK

Error Counter logging not supported

Device does not support Self Test logging

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五、查看网卡信息

(1)查看网卡硬件信息

[root@Master ~]#  lspci | grep -i 'eth'

  (2)查看系统的所有网络接口

[root@Master ~]# ifconfig -a

[root@Master ~]# ip link show

    (3)查看某个网络接口的详细信息,例如eth0的详细参数和指标

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[root@Master ~]# ethtool eth0

Settings for eth0:

        Supported ports: [ FIBRE ]

        Supported link modes:  10000baseT/Full

        Supported pause frame use: No

        Supports auto-negotiation: No

        Advertised link modes:  10000baseT/Full

        Advertised pause frame use: No

        Advertised auto-negotiation: No

        Speed: 10000Mb/s

        Duplex: Full

        Port: FIBRE

        PHYAD: 0

        Transceiver: external

        Auto-negotiation: off

        Supports Wake-on: d

        Wake-on: d

        Current message level: 0x00000007 (7)

                              drv probe link

        Link detected: yes

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    (4)查看所有网卡的链路状态

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[root@Master ~]# for i in `seq 0 9`;do ethtool eth${i} | egrep 'eth|Link';done

Settings for eth0:

        Link detected: yes 

Settings for eth1:

        Link detected: yes

Settings for eth2:

        Link detected: no

Settings for eth3:

        Link detected: no

Settings for eth4:

        Link detected: no

Settings for eth5:

        Link detected: no

Settings for eth6:

        Link detected: no

Settings for eth7:

        Link detected: no

Settings for eth8:

        Link detected: no

Settings for eth9:

        Link detected: no

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六、列出所有PCI设备信息

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[root@Master ~]# lspci -tv | more

-+-[0000:ff]-+-08.0  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 QPI Link 0

|          +-08.3  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 QPI Link 0

|          +-09.0  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 QPI Link 1

|          +-09.3  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 QPI Link 1

|          +-0b.0  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring

|          +-0b.1  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring

|          +-0b.2  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring

|          +-0c.0  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0c.1  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0c.2  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0c.3  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0c.4  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0c.5  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0c.6  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0c.7  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0d.0  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0d.1  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers

|          +-0f.0  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Buffered Ring Agent

|          +-0f.1  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Buffered Ring Agent

|          +-0f.2  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Buffered Ring Agent

|          +-0f.3  Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Buffered Ring Agent

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1.cpu

查看CPU信息

# 总核数 = 物理CPU个数 X 每颗物理CPU的核数

# 总逻辑CPU数 = 物理CPU个数 X 每颗物理CPU的核数 X 超线程数

# 查看物理CPU个数

cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l

# 查看每个物理CPU中core的个数(即核数)

cat /proc/cpuinfo| grep "cpu cores"| uniq

# 查看逻辑CPU的个数

cat /proc/cpuinfo| grep "processor"| wc -l

# 查看CPU信息(型号)

cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

#lscpu命令,查看的是cpu的统计信息.(部分旧版本不支持)

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Disk /dev/sda: 64.4 GB, 64424509440 bytes

255 heads, 63 sectors/track, 7832 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x0000859f

  Device Boot      Start        End      Blocks  Id  System

/dev/sda1  *          1          64      512000  83  Linux

Partition 1 does not end on cylinder boundary.

/dev/sda2              64        7833    62401536  8e  Linux LVM

Disk /dev/mapper/vg_qdy-lv_root: 53.7 GB, 53687091200 bytes

255 heads, 63 sectors/track, 6527 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

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使用#cat  /proc/cpuinfo ,可以知道每个cpu信息,如每个CPU的型号,主频等。

2.内存

#free -m # 查看内存使用量和交换区使用量 

  total      used      free    shared    buffers    cached

Mem:          3690        288      3401          0        15        119

-/+ buffers/cache:        153      3536

Swap:        3951          0      3951

# cat /proc/meminfo

#dmidecode -t memory 查看内存硬件信息

grep MemTotal /proc/meminfo# 查看内存总量

grep MemFree /proc/meminfo # 查看空闲内存量

lsmod # 列出加载的内核模块

3.磁盘

# lsblk 查看硬盘与分区分而

#df -h    # 查看各分区使用情况

#du -sh # 查看指定目录的大小

Filesystem                  Size  Used Avail Use% Mounted on

/dev/mapper/vg_qdy-lv_root  50G  3.7G  44G  8% /

tmpfs                      1.9G    0  1.9G  0% /dev/shm

/dev/sda1                  485M  39M  421M  9% /boot

/dev/mapper/vg_qdy-lv_home  5.6G  239M  5.1G  5% /home

#fdisk -l # 查看所有分区详细信息

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Disk /dev/sda: 64.4 GB, 64424509440 bytes

255 heads, 63 sectors/track, 7832 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x0000859f

  Device Boot      Start        End      Blocks  Id  System

/dev/sda1  *          1          64      512000  83  Linux

Partition 1 does not end on cylinder boundary.

/dev/sda2              64        7833    62401536  8e  Linux LVM

Disk /dev/mapper/vg_qdy-lv_root: 53.7 GB, 53687091200 bytes

255 heads, 63 sectors/track, 6527 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

...... 下方省略!

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4.网卡信息

# lspci | grep -i 'eth'  查看网卡硬件信息

# ifconfig -a 查看系统所有网络接口

或 #ip link show

# ethtool eth0 查看某个网络接口的详细信息

5.主板所有硬件槽PCI信息。

#lspci

更详细的lspci -v 或者 lspci -vv

#lscpi -t 设备树

6.查看bios 信息

# dmidecode -t bios

7. 查看系统运行时间、用户数、负载

#uptime

#cat /proc/loadavg # 查看系统负载磁盘和分区

8. 查看挂接的分区状态

#mount | column -t

9. 查看系统负载 磁盘和分区

# cat /proc/loadavg

10.查看所有安装的软件包

#rpm -qa

11. 查看所有进程

# ps -ef

12. 查看所有监听端口

#netstat -lntp

13.查用户与组信息

#cut -d: -f1 /etc/passwd # 查看系统所有用户 cat /etc/passwd |more 显示长系统用户并分页

#cut -d: -f1 /etc/group # 查看系统所有组  cat /etc/group|more 显示长系统所有组并分页

14其它不常用查看信息命令

swapon -s # 查看所有交换分区

iptables -L # 查看防火墙设置

hdparm -i /dev/hda # 查看磁盘参数(仅适用于IDE设备)

dmesg | grep IDE # 查看启动时IDE设备检测状况网络

crontab -l # 查看当前用户的计划任务 服务

chkconfig –list # 列出所有系统服务#

chkconfig –list | grep on # 列出所有启动的系统服务 程序

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