CentOS 7无法使用ifconfig命令

心已赠人 2024-04-17 16:33 65阅读 0赞

## ifconfig命令报错 ##

ifconfig: command not found

## 解决 ##

### 1.不能ping通，说明网卡未启用 ###

![20190828173529832.png][]

### 2.修改网络配置 ###

cd /etc/sysconfig/network-scripts 
    
    vi ifcfg-eth0 #文件名可能不一样

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjAzMjE5OQ_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjAzMjE5OQ_size_16_color_FFFFFF_t_70 1][]

### 3.重启网卡 ###

service network restart

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjAzMjE5OQ_size_16_color_FFFFFF_t_70 2][]

![20190828173229150.png][]

**此时ifconfig命令还不能用，证明没有安装ifconfig相关的工具**

### 4.安装ifconfig命令 ###

**查看提供ifconfig命令的工具包**

yum provides ifconfig

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjAzMjE5OQ_size_16_color_FFFFFF_t_70 3][]

**安装ifconfig**

yum install net-tools

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjAzMjE5OQ_size_16_color_FFFFFF_t_70 4][]

[20190828173529832.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/9f8cf5b81e704d26af43122f43c78c7f.png
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjAzMjE5OQ_size_16_color_FFFFFF_t_70 2]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/40751b9f48f243ed8b5a1ed361d9f328.png
[20190828173229150.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/df67d9ab6ad24099be24337ad2e5822a.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjAzMjE5OQ_size_16_color_FFFFFF_t_70 3]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/44f2e6f3eaad499299075e860435116d.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjAzMjE5OQ_size_16_color_FFFFFF_t_70 4]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/9b23eff5de2944a996d99d2c84d0c038.png