[root@localhost mysql]# yum install net-tools

  1. [root@localhost mysql]# yum install net-tools
  2. 已加载插件：fastestmirror
  3. Loading mirror speeds from cached hostfile
  4.  * base: mirrors.neusoft.edu.cn
  5.  * extras: mirrors.neusoft.edu.cn
  6.  * updates: mirrors.neusoft.edu.cn
  7. 正在解决依赖关系
  8. --> 正在检查事务
  9. ---> 软件包 net-tools.x86_64.0.2.0-0.25.20131004git.el7 将被 安装
  10. --> 解决依赖关系完成
  12. 依赖关系解决
  14. ==================================================================================================================================================================================
  15.  Package                                  架构                                  版本                                                    源                                   大小
  16. ==================================================================================================================================================================================
  17. 正在安装:
  18.  net-tools                                x86_64                                2.0-0.25.20131004git.el7                                base                                306 k
  20. 事务概要
  21. ==================================================================================================================================================================================
  22. 安装  1 软件包
  24. 总下载量：306 k
  25. 安装大小：917 k
  26. Is this ok [y/d/N]: y
  27. Downloading packages:
  28. net-tools-2.0-0.25.20131004git FAILED                                          
  29. http://mirrors.tuna.tsinghua.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.tuna.tsinghua.edu.cn; Unknown error"
  30. 正在尝试其它镜像。
  31. net-tools-2.0-0.25.20131004git FAILED                                          
  32. http://mirrors.neusoft.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.neusoft.edu.cn; Unknown error"
  33. 正在尝试其它镜像。
  34. net-tools-2.0-0.25.20131004git FAILED                                          
  35. http://mirrors.ustc.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.ustc.edu.cn; Unknown error"
  36. 正在尝试其它镜像。
  37. net-tools-2.0-0.25.20131004git FAILED                                          
  38. http://mirrors.bupt.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.bupt.edu.cn; Unknown error"
  39. 正在尝试其它镜像。
  41. 连接断开
  42. 连接主机...
  43. 连接主机成功
  44. Last login: Thu Oct  6 20:12:19 2022 from 192.168.222.1
  45. [root@localhost ~]# yum install net-tools
  46. 已加载插件：fastestmirror
  47. Loading mirror speeds from cached hostfile
  48.  * base: mirrors.neusoft.edu.cn
  49.  * extras: mirrors.neusoft.edu.cn
  50.  * updates: mirrors.neusoft.edu.cn
  51. 正在解决依赖关系
  52. --> 正在检查事务
  53. ---> 软件包 net-tools.x86_64.0.2.0-0.25.20131004git.el7 将被 安装
  54. --> 解决依赖关系完成
  56. 依赖关系解决
  58. ==================================================================================================================================================================================
  59.  Package                                  架构                                  版本                                                    源                                   大小
  60. ==================================================================================================================================================================================
  61. 正在安装:
  62.  net-tools                                x86_64                                2.0-0.25.20131004git.el7                                base                                306 k
  64. 事务概要
  65. ==================================================================================================================================================================================
  66. 安装  1 软件包
  68. 总下载量：306 k
  69. 安装大小：917 k
  70. Is this ok [y/d/N]: y
  71. Downloading packages:
  72. Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
  73. net-tools-2.0-0.25.20131004git FAILED                                          
  74. http://mirrors.tuna.tsinghua.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.tuna.tsinghua.edu.cn; Unknown error"
  75. 正在尝试其它镜像。
  76. net-tools-2.0-0.25.20131004git FAILED                                          
  77. http://mirrors.neusoft.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.neusoft.edu.cn; Unknown error"
  78. 正在尝试其它镜像。
  79. net-tools-2.0-0.25.20131004git FAILED                                          
  80. http://mirrors.ustc.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.ustc.edu.cn; Unknown error"
  81. 正在尝试其它镜像。
  82. net-tools-2.0-0.25.20131004git FAILED                                          
  83. http://mirrors.bupt.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.bupt.edu.cn; Unknown error"
  84. 正在尝试其它镜像。
  85. net-tools-2.0-0.25.20131004git FAILED                                          
  86. http://mirror.lzu.edu.cn/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirror.lzu.edu.cn; Unknown error"
  87. 正在尝试其它镜像。
  88. net-tools-2.0-0.25.20131004git FAILED                                          
  89. http://mirrors.huaweicloud.com/centos/7.9.2009/os/x86_64/Packages/net-tools-2.0-0.25.20131004git.el7.x86_64.rpm: [Errno 14] curl#6 - "Could not resolve host: mirrors.huaweicloud.com; Unknown error"
  90. 正在尝试其它镜像。

CentOS7 yum 时报错 curl#6 - “Could not resolve host: mirror.lzu.edu.cn； Unknown error“ 及telnet安装_墨兰公子的博客-CSDN博客

CentOS 7 安装 net-tools（解决无 ifconfig）_徐晓伟的博客-CSDN博客_centos安装nettools