RHEL6.x查看网卡槽位对应设备文件及路径
先查看网卡mac地址,由于我的服务器做了mac地址绑定,所以会有相同的hwaddr地址,请忽略。
[root@node-0a0a05d3- net]# ifconfig eth0 | grep HWaddr
eth0 Link encap:Ethernet HWaddr 18:66:DA:6F:AF:9B
[root@node-0a0a05d3-0 net]# ifconfig eth1 | grep HWaddr
eth1 Link encap:Ethernet HWaddr 18:66:DA:6F:AF:9B
[root@node-0a0a05d3- net]# ifconfig eth2 | grep HWaddr
eth2 Link encap:Ethernet HWaddr 18:66:DA:6F:AF:9F
[root@node-0a0a05d3-0 net]# ifconfig eth3 | grep HWaddr
eth3 Link encap:Ethernet HWaddr 18:66:DA:6F:AF:9F
[root@node-0a0a05d3- net]# ifconfig eth4 | grep HWaddr
eth4 Link encap:Ethernet HWaddr A0:36:9F:C4:D4:34
[root@node-0a0a05d3- net]# ifconfig eth5 | grep HWaddr
eth5 Link encap:Ethernet HWaddr A0:36:9F:C4:D4:34
然后看
[root@node-0a0a05d3- ~]# cd /sys/class/net
[root@node-0a0a05d3- net]# cat ./eth0/address
::da:6f:af:9b
[root@node-0a0a05d3- net]# cat ./eth1/address
::da:6f:af:9b
[root@node-0a0a05d3- net]# cat ./eth2/address
::da:6f:af:9f
[root@node-0a0a05d3- net]# cat ./eth3/address
::da:6f:af:9f
[root@node-0a0a05d3- net]# cat ./eth4/address
a0::9f:c4:d4:
[root@node-0a0a05d3- net]# cat ./eth5/address
a0::9f:c4:d4:
然后查看对应的设备地址
[root@node-0a0a05d3- net]# ll
total
lrwxrwxrwx root root Jan : bond0 -> ../../devices/virtual/net/bond0
lrwxrwxrwx root root Jan : bond1 -> ../../devices/virtual/net/bond1
lrwxrwxrwx root root Jan : bond2 -> ../../devices/virtual/net/bond2
-rw-r--r-- root root Jan : bonding_masters
lrwxrwxrwx root root Jan : br_ceph -> ../../devices/virtual/net/br_ceph
lrwxrwxrwx root root Jan : br_cluster -> ../../devices/virtual/net/br_cluster
lrwxrwxrwx root root Jan : br_ex -> ../../devices/virtual/net/br_ex
lrwxrwxrwx root root Jan : br_ex-lb -> ../../devices/virtual/net/br_ex-lb
lrwxrwxrwx root root Jan : br_ipmi -> ../../devices/virtual/net/br_ipmi
lrwxrwxrwx root root Jan : br_mon -> ../../devices/virtual/net/br_mon
lrwxrwxrwx root root Jan : eth0 -> ../../devices/pci0000:00/0000:00:03.0/0000:01:00.0/net/eth0
lrwxrwxrwx root root Jan : eth1 -> ../../devices/pci0000:00/0000:00:03.0/0000:01:00.1/net/eth1
lrwxrwxrwx root root Jan : eth2 -> ../../devices/pci0000:00/0000:00:03.0/0000:01:00.2/net/eth2
lrwxrwxrwx root root Jan : eth3 -> ../../devices/pci0000:00/0000:00:03.0/0000:01:00.3/net/eth3
lrwxrwxrwx root root Jan : eth4 -> ../../devices/pci0000:80/0000:80:03.2/0000:84:00.0/net/eth4
lrwxrwxrwx root root Jan : eth5 -> ../../devices/pci0000:80/0000:80:03.2/0000:84:00.1/net/eth5
lrwxrwxrwx root root Jan : lb-br_ex -> ../../devices/virtual/net/lb-br_ex
lrwxrwxrwx root root Jan : lo -> ../../devices/virtual/net/lo
最后查看对应的槽位号
[root@node-0a0a05d3- ~]# lspci -tv
-+-[:ff]-+-08.0 Intel Corporation Haswell-E QPI Link
| +-08.2 Intel Corporation Haswell-E QPI Link
| +-08.3 Intel Corporation Haswell-E QPI Link
| +-09.0 Intel Corporation Haswell-E QPI Link
| +-09.2 Intel Corporation Haswell-E QPI Link
| +-09.3 Intel Corporation Haswell-E QPI Link
| +-0b. Intel Corporation Haswell-E R3 QPI Link & Monitoring
| +-0b. Intel Corporation Haswell-E R3 QPI Link & Monitoring
| +-0b. Intel Corporation Haswell-E R3 QPI Link & Monitoring
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0d. Intel Corporation Haswell-E Unicast Registers
| +-0d. Intel Corporation Haswell-E Unicast Registers
| +-0f. Intel Corporation Haswell-E Buffered Ring Agent
| +-0f. Intel Corporation Haswell-E Buffered Ring Agent
| +-0f. Intel Corporation Haswell-E Buffered Ring Agent
| +-0f. Intel Corporation Haswell-E Buffered Ring Agent
| +-0f. Intel Corporation Haswell-E System Address Decoder & Broadcast Registers
| +-0f. Intel Corporation Haswell-E System Address Decoder & Broadcast Registers
| +-0f. Intel Corporation Haswell-E System Address Decoder & Broadcast Registers
| +-10.0 Intel Corporation Haswell-E PCIe Ring Interface
| +-10.1 Intel Corporation Haswell-E PCIe Ring Interface
| +-10.5 Intel Corporation Haswell-E Scratchpad & Semaphore Registers
| +-10.6 Intel Corporation Haswell-E Scratchpad & Semaphore Registers
| +-10.7 Intel Corporation Haswell-E Scratchpad & Semaphore Registers
| +-12.0 Intel Corporation Haswell-E Home Agent
| +-12.1 Intel Corporation Haswell-E Home Agent
| +-12.2 Intel Corporation Haswell-E Home Agent Debug
| +-12.4 Intel Corporation Haswell-E Home Agent
| +-12.5 Intel Corporation Haswell-E Home Agent
| +-12.6 Intel Corporation Haswell-E Home Agent Debug
| +-13.0 Intel Corporation Haswell-E Integrated Memory Controller Target Address, Thermal & RAS Registers
| +-13.1 Intel Corporation Haswell-E Integrated Memory Controller Target Address, Thermal & RAS Registers
| +-13.2 Intel Corporation Haswell-E Integrated Memory Controller Channel Target Address Decoder
| +-13.3 Intel Corporation Haswell-E Integrated Memory Controller Channel Target Address Decoder
| +-13.6 Intel Corporation Haswell-E DDRIO Channel / Broadcast
| +-13.7 Intel Corporation Haswell-E DDRIO Global Broadcast
| +-14.0 Intel Corporation Haswell-E Integrated Memory Controller Channel Thermal Control
| +-14.1 Intel Corporation Haswell-E Integrated Memory Controller Channel Thermal Control
| +-14.2 Intel Corporation Haswell-E Integrated Memory Controller Channel ERROR Registers
| +-14.3 Intel Corporation Haswell-E Integrated Memory Controller Channel ERROR Registers
| +-14.4 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-14.5 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-14.6 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-14.7 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-16.0 Intel Corporation Haswell-E Integrated Memory Controller Target Address, Thermal & RAS Registers
| +-16.1 Intel Corporation Haswell-E Integrated Memory Controller Target Address, Thermal & RAS Registers
| +-16.2 Intel Corporation Haswell-E Integrated Memory Controller Channel Target Address Decoder
| +-16.3 Intel Corporation Haswell-E Integrated Memory Controller Channel Target Address Decoder
| +-16.6 Intel Corporation Haswell-E DDRIO Channel / Broadcast
| +-16.7 Intel Corporation Haswell-E DDRIO Global Broadcast
| +-17.0 Intel Corporation Haswell-E Integrated Memory Controller Channel Thermal Control
| +-17.1 Intel Corporation Haswell-E Integrated Memory Controller Channel Thermal Control
| +-17.2 Intel Corporation Haswell-E Integrated Memory Controller Channel ERROR Registers
| +-17.3 Intel Corporation Haswell-E Integrated Memory Controller Channel ERROR Registers
| +-17.4 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-17.5 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-17.6 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-17.7 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1f. Intel Corporation Haswell-E VCU
| \-1f. Intel Corporation Haswell-E VCU
+-[:]-+-01.0-[]--
| +-02.0-[]--
| +-03.0-[]--
| +-03.2-[84]--+-00.0 Intel Corporation Ethernet 10G 2P X520 Adapter
| | \-00.1 Intel Corporation Ethernet 10G 2P X520 Adapter
| +-05.0 Intel Corporation Haswell-E Address Map, VTd_Misc, System Management
| +-05.1 Intel Corporation Haswell-E Hot Plug
| +-05.2 Intel Corporation Haswell-E RAS, Control Status and Global Errors
| \-05.4 Intel Corporation Haswell-E I/O Apic
+-[:7f]-+-08.0 Intel Corporation Haswell-E QPI Link
| +-08.2 Intel Corporation Haswell-E QPI Link
| +-08.3 Intel Corporation Haswell-E QPI Link
| +-09.0 Intel Corporation Haswell-E QPI Link
| +-09.2 Intel Corporation Haswell-E QPI Link
| +-09.3 Intel Corporation Haswell-E QPI Link
| +-0b. Intel Corporation Haswell-E R3 QPI Link & Monitoring
| +-0b. Intel Corporation Haswell-E R3 QPI Link & Monitoring
| +-0b. Intel Corporation Haswell-E R3 QPI Link & Monitoring
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0c. Intel Corporation Haswell-E Unicast Registers
| +-0d. Intel Corporation Haswell-E Unicast Registers
| +-0d. Intel Corporation Haswell-E Unicast Registers
| +-0f. Intel Corporation Haswell-E Buffered Ring Agent
| +-0f. Intel Corporation Haswell-E Buffered Ring Agent
| +-0f. Intel Corporation Haswell-E Buffered Ring Agent
| +-0f. Intel Corporation Haswell-E Buffered Ring Agent
| +-0f. Intel Corporation Haswell-E System Address Decoder & Broadcast Registers
| +-0f. Intel Corporation Haswell-E System Address Decoder & Broadcast Registers
| +-0f. Intel Corporation Haswell-E System Address Decoder & Broadcast Registers
| +-10.0 Intel Corporation Haswell-E PCIe Ring Interface
| +-10.1 Intel Corporation Haswell-E PCIe Ring Interface
| +-10.5 Intel Corporation Haswell-E Scratchpad & Semaphore Registers
| +-10.6 Intel Corporation Haswell-E Scratchpad & Semaphore Registers
| +-10.7 Intel Corporation Haswell-E Scratchpad & Semaphore Registers
| +-12.0 Intel Corporation Haswell-E Home Agent
| +-12.1 Intel Corporation Haswell-E Home Agent
| +-12.2 Intel Corporation Haswell-E Home Agent Debug
| +-12.4 Intel Corporation Haswell-E Home Agent
| +-12.5 Intel Corporation Haswell-E Home Agent
| +-12.6 Intel Corporation Haswell-E Home Agent Debug
| +-13.0 Intel Corporation Haswell-E Integrated Memory Controller Target Address, Thermal & RAS Registers
| +-13.1 Intel Corporation Haswell-E Integrated Memory Controller Target Address, Thermal & RAS Registers
| +-13.2 Intel Corporation Haswell-E Integrated Memory Controller Channel Target Address Decoder
| +-13.3 Intel Corporation Haswell-E Integrated Memory Controller Channel Target Address Decoder
| +-13.6 Intel Corporation Haswell-E DDRIO Channel / Broadcast
| +-13.7 Intel Corporation Haswell-E DDRIO Global Broadcast
| +-14.0 Intel Corporation Haswell-E Integrated Memory Controller Channel Thermal Control
| +-14.1 Intel Corporation Haswell-E Integrated Memory Controller Channel Thermal Control
| +-14.2 Intel Corporation Haswell-E Integrated Memory Controller Channel ERROR Registers
| +-14.3 Intel Corporation Haswell-E Integrated Memory Controller Channel ERROR Registers
| +-14.4 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-14.5 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-14.6 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-14.7 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-16.0 Intel Corporation Haswell-E Integrated Memory Controller Target Address, Thermal & RAS Registers
| +-16.1 Intel Corporation Haswell-E Integrated Memory Controller Target Address, Thermal & RAS Registers
| +-16.2 Intel Corporation Haswell-E Integrated Memory Controller Channel Target Address Decoder
| +-16.3 Intel Corporation Haswell-E Integrated Memory Controller Channel Target Address Decoder
| +-16.6 Intel Corporation Haswell-E DDRIO Channel / Broadcast
| +-16.7 Intel Corporation Haswell-E DDRIO Global Broadcast
| +-17.0 Intel Corporation Haswell-E Integrated Memory Controller Channel Thermal Control
| +-17.1 Intel Corporation Haswell-E Integrated Memory Controller Channel Thermal Control
| +-17.2 Intel Corporation Haswell-E Integrated Memory Controller Channel ERROR Registers
| +-17.3 Intel Corporation Haswell-E Integrated Memory Controller Channel ERROR Registers
| +-17.4 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-17.5 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-17.6 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-17.7 Intel Corporation Haswell-E DDRIO (VMSE) &
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1e. Intel Corporation Haswell-E Power Control Unit
| +-1f. Intel Corporation Haswell-E VCU
| \-1f. Intel Corporation Haswell-E VCU
\-[:]-+-00.0 Intel Corporation Haswell-E DMI2
+-01.0-[]----00.0 LSI Logic / Symbios Logic MegaRAID SAS- [Fury]
+-02.0-[]----00.0 Intel Corporation Device
+-03.0-[01]--+-00.0 Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet
| +-00.1 Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet
| +-00.2 Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet
| \-00.3 Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet
+-03.2-[]--
+-05.0 Intel Corporation Haswell-E Address Map, VTd_Misc, System Management
+-05.1 Intel Corporation Haswell-E Hot Plug
+-05.2 Intel Corporation Haswell-E RAS, Control Status and Global Errors
+-05.4 Intel Corporation Haswell-E I/O Apic
+-11.0 Intel Corporation Wellsburg SPSR
+-11.4 Intel Corporation Wellsburg sSATA Controller [AHCI mode]
+-16.0 Intel Corporation Wellsburg MEI Controller #
+-16.1 Intel Corporation Wellsburg MEI Controller #
+-1a. Intel Corporation Wellsburg USB Enhanced Host Controller #
+-1c.-[]--
+-1c.-[-0a]----00.0-[-0a]----00.0-[-]----00.0-[]----00.0 Matrox Electronics Systems Ltd. G200eR2
+-1d. Intel Corporation Wellsburg USB Enhanced Host Controller #
+-1f. Intel Corporation Wellsburg LPC Controller
\-1f. Intel Corporation Wellsburg -Port SATA Controller [AHCI mode]
还可以通过以下命令来进一步确认
[root@node-0a0a05d3- net]# ethtool eth1
Settings for eth1:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseT/Full
10000baseT/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: No
Advertised link modes: 10000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: No
Speed: 10000Mb/s
Duplex: Full
Port: Direct Attach Copper
PHYAD:
Transceiver: internal
Auto-negotiation: off
Supports Wake-on: g
Wake-on: d
Current message level: 0x00000000 () Link detected: yes
[root@node-0a0a05d3- net]# ethtool eth2
Settings for eth2:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric Receive-only
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD:
Transceiver: internal
Auto-negotiation: on
MDI-X: Unknown
Supports Wake-on: g
Wake-on: d
Current message level: 0x00000000 () Link detected: yes
如果够勤快的话就直接插拔网线看就ok了,其中Link detected: yes是一个参考项,当然我都是直接ifconfig看up/down ^_^
据说lspci也可以查看,不过我没找到对应的关系,具体lspci的命令还是值得研究的~~
[root@node-0a0a05d3- net]# lspci -vvv | grep Serial
Capabilities: [13c v1] Device Serial Number --da-ff-fe-6f-af-9b
Capabilities: [13c v1] Device Serial Number --da-ff-fe-6f-af-9b
Capabilities: [13c v1] Device Serial Number --da-ff-fe-6f-af-9b
Capabilities: [13c v1] Device Serial Number --da-ff-fe-6f-af-9b
Capabilities: [ v1] Device Serial Number -cd-2e--4c--c2-e3
Capabilities: [ v1] Device Serial Number a0--9f-ff-ff-c4-d4-
Capabilities: [ v1] Device Serial Number a0--9f-ff-ff-c4-d4-
RHEL6.x查看网卡槽位对应设备文件及路径的更多相关文章
- 64位win8.1系统 运行 32位程序,文件夹路径是中文遇到问题
今天有一位用户向我反应软件使用遇到问题. 用户使用的是64位win8.1系统,之前有很多用户使用64位的win8.1系统没遇到过问题. 远程协助了一下,差不多15分钟我试了几个办法没解决问题. 最后我 ...
- Linux基础——sar 查看网卡流量
sar -n DEV #查看当天从零点到当前时间的网卡流量信息 sar -n DEV 1 10 #每秒显示一次,共显示10次 sar -n DEV -f /var/log/sa/saxx #查看xx日 ...
- 使用 sar 查看网卡的流量
1.常用命令 sar -n DEV #查看当天从零点到当前时间的网卡流量信息 sar -n DEV 1 10 #每秒显示一次,共显示10次 sar -n DEV -f /var/log/sa/saxx ...
- linux -小记(1) 问题:"linux ifconfig查看网卡名称与配置文件不否" 或 启动网卡提示“ eth0 似乎不存在, 初始化操作将被延迟”。
"linux ifconfig查看网卡名称与配置文件不否" 或 启动网卡提示" eth0 似乎不存在, 初始化操作将被延迟" . 问题 1. service n ...
- Linux下查看网卡驱动和版本信息
Linux下查看网卡驱动和版本信息 查看网卡生产厂商和信号 查看基本信息:lspci 查看详细信息:lspci -vvv # 3个小写的v 查看网卡信息:lspci | grep Ethernet 查 ...
- ethtool查看网卡以及修改网卡配置
ethtool 命令详解 命令描述: ethtool 是用于查询及设置网卡参数的命令. 使用概要:ethtool ethx //查询ethx网口基本设置,其中 x 是对应网卡的编号,如et ...
- sar命令查看网卡流量 (System ActivityReporter系统活动情况报告)
sar命令查看网卡流量 2016年06月14日 03:31:29 WarriorTan 阅读数:9748更多 个人分类: Linux 版权声明:本文为博主原创文章,未经博主允许不得转载. http ...
- 在Linux下,在网络没有配置好前,怎样查看网卡的MAC地址?
在Linux下,在网络没有配置好前,怎样查看网卡的MAC地址? 使用 dmesg 与 grep 命令来实际,例如以下: [root@localhost ~]# dmesg | grep eth e10 ...
- Linux盘符绑定槽位
服务器下的硬盘主有机械硬盘.固态硬盘以及raid阵列,通常内核分配盘符的顺序是/dev/sda./dev/sdb- -.在系统启动过程中,内核会按照扫描到硬盘的顺序分配盘符(先分配直通的,再分配阵列) ...
随机推荐
- HDU 1565
http://acm.hdu.edu.cn/showproblem.php?pid=1565 先进行二分图黑白染色,S到黑,白到T,黑到白,问题转化成了求最大权独立集,最大点权独立集=sum-最小点权 ...
- BZOJ5091: [Lydsy1711月赛]摘苹果【期望DP】
Description 小Q的工作是采摘花园里的苹果.在花园中有n棵苹果树以及m条双向道路,苹果树编号依次为1到n,每条道路的两 端连接着两棵不同的苹果树.假设第i棵苹果树连接着d_i条道路.小Q将会 ...
- HDU 2544:最短路
最短路 Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submiss ...
- 新建Android一个项目-菜鸟篇
①打开Eclipse,单击菜单栏的“File”->把鼠标光标移动到“New”->在弹出的列表框中,如果直接能看到“Android Applicaion Project”选项项,则直接单击此 ...
- k8s dockerk个人学习(1)
虚拟机部署k8s 1. 创建虚拟机 虚拟机用的是virtualBox和vagrant工具,百度安装virtualBox和vagrant 创建vagrant目录并创建文件Vagrantfile内容为 V ...
- MSDN Windows XP Professional x64 Edition with SP2 +VL简体中文语言包+序列号
[资源名称]---Windows XP Professional x64 Edition with SP2 - VL (English)[资源类型]---ISO镜像[资源语言]---英语+简体中文[杀 ...
- setsockopt IP_ADD_MEMBERSHIP error!No such device的解决方案
/mnt # ./onvifserver Happytime onvif server version 2.6Onvif server running at 192.168.1.10:8000crea ...
- 整理开源协议问题 GPL APACHE
整理开源协议问题 GPL APACHE APACHE 和 GPL 互相不兼容. APACHE 不可以使用 GPL 的代码. 但是 APACHE 可以调用 GPL 组件的接口. 比如 Linux 和 A ...
- php 使用 file_exists 还是 is_file
Jesns 提出 file_exists 比较老了,建议使用 is_file 来判断文件. 经过我的测试,is_file 果然快很多,以后可以改 is_file 来判断文件. 还有相关链接: is_f ...
- Oracle ADDM性能诊断利器及报告解读
性能优化是一个永恒的话题,性能优化也是最具有价值,最值得花费精力深入研究的一个课题,因为资源是有限的,时间是有限的.在Oracle数据库中,随着Oracle功能的不断强大和完善,Oralce数据库在性 ...