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      如何解決Linux操作系統找不到網卡的問題

      更新時間: 2008-06-11 10:54:40來源: 粵嵌教育瀏覽量:1029

        1. 安裝網卡

        機器太新,以至于現有的Linux版本無法認出,比如機器找不到網卡,這時候怎么辦呢?
       
        別急,首先你需要知道網卡是什么型號的,以本實驗室新購入的電腦為例,它的網卡是集成的,型號是Realtek RTL8168/8111 PCI-E Gigabit Ethernet NIC。然后我們到Realtek的官方網站去下載相應的Linux驅動程序r8168-8.005.00.tar.bz2,按照說明安裝。

        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(看看有沒有加載網卡驅動)

        # /sbin/ifconfig –a(看看有沒有相關網卡被啟動的信息)

        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,...

        這里也可以通過系統→管理→網絡來設置IP地址等,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,在該文本中,增加兩行:

        127.0.0.1 localhost.localdomain localhost

        192.168.4.101 node3(根據機器本身情況設置)

        修改:vi /etc/hosts.equiv,增加一行:(如果沒有該文本,可建立一個)

        node3

        3. 啟動ssh服務

        大部分的Linux版本應該都會自帶該程序

        #ssh-keygen

        #cd .ssh

        #cp id_rsa.pub authorized_keys

        #ssh node3(如果成功,會顯示上次登陸的時間, node3是主機名)

        附加信息:

        ifup eth0看看能否啟動eth0

        lsmod看看有沒有加載網卡驅動

        dmesg看看有沒有網卡啟動時的錯誤信息


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