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            Linux下找不到网卡怎么办

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            • 来源:124软件资讯网

              1. 安装网卡

              机械太新  ,以至于现有的Linux版本无法认出  ,好比机械找不到网卡 ,这时间怎么办呢  ?

              别急  ,首先你需要知道网卡是什么型号的 ,以本实验室新购入的电脑为例  ,它的网卡是集成的  ,型号是Realtek RTL8168/8111 PCI-E Gigabit Ethernet NIC  。然后我们到Realtek的官方网站去下载响应的Linux驱动法式r8168-8.005.00.tar.bz2  ,根据说明安装  。

              Unpack the tarball :

              # tar vjxf r8168-8.aaa.bb.tar.bz2

              Change to the directory:

              # cd r8168-8.aaa.bb

              If you are running the target kernel, then you should be able to do :

              # make clean modules (as root or with sudo)

              # make install

              # /sbin/depmod -a

              # /sbin/insmod ./src/r8168.ko (or r8168.o in linux kernel 2.4.x)

              You can check whether the driver is loaded by using following commands.

              # /sbin/lsmod | grep r8168(看看有没有加载网卡驱动)

              # /sbin/ifconfig ?Ca(看看有没有相关网卡被启动的信息)

              If there is a device name, ethX, shown on the monitor, the linux

              driver is loaded. Then, you can use the following command to activate

              the ethX.

              # ifconfig ethX up

              ,where X=0,1,2,...

              这里也可以通过系统→治理→网络来设置IP地址等  ,最后激活  。

              1. Set manually

              a. Set the IP address of your machine.

              # ifconfig ethX "the IP address of your machine"

              b. Set the IP address of DNS.

              Insert the following configuration in /etc/resolv.conf.

              nameserver "the IP address of DNS"

              c. Set the IP address of gateway.

              # route add default gw "the IP address of gateway"

              2. Set by doing configurations in /etc/sysconfig/network-scripts

              /ifcfg-ethX for Redhat and Fedora, or /etc/sysconfig/network

              /ifcfg-ethX for SuSE. There are two examples to set network

              configurations.

              a. Fix IP address:

              DEVICE=eth0

              BOOTPROTO=static

              ONBOOT=yes

              TYPE=ethernet

              NETMASK=255.255.255.0

              IPADDR=192.168.1.1

              GATEWAY=192.168.1.254

              BROADCAST=192.168.1.255

              2. 修改:#vi /etc/hosts  ,在该文本中 ,增添两行:

              127.0.0.1 localhost.localdomain localhost

              192.168.4.101 node3(凭据机械自己情形设置)

              修改:vi /etc/hosts.equiv  ,增添一行:(若是没有该文本 ,可建设一个)

              node3

              3. 启动ssh服务

              大部门的Linux版本应该都市自带该法式

              #ssh-keygen

              #cd .ssh

              #cp id_rsa.pub authorized_keys

              #ssh node3(若是乐成  ,会显示上次上岸的时间  , node3是主机名)

              附加信息:

              ifup eth0看看能否启动eth0

              lsmod看看有没有加载网卡驱动

              dmesg看看有没有网卡启动时的错误信息