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annotate Linux_network_config.sh @ 1:dad2bfc2913c

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fix:Linux_network_config.sh Content not saved
author Nineveh <liny.jii@nnsui.com>
date Mon, 07 Oct 2024 09:38:13 +0800
parents 931d6c18fe53
children fa0865bcac46
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
dad2bfc2913c fix:Linux_network_config.sh Content not saved
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1 #!/bin/bash
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2
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3 # 检测系统版本
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4 OS_VERSION=$(awk -F= '/^NAME/{print $2}' /etc/os-release)
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5 echo "当前系统版本: $OS_VERSION"
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6
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7 # 根据系统选择对应的网络配置方式
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8 if [[ $OS_VERSION == *"Ubuntu"* ]]; then
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9 CONFIG_DIR="/etc/netplan"
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10 elif [[ $OS_VERSION == *"CentOS"* ]]; then
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11 CONFIG_DIR="/etc/sysconfig/network-scripts"
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12 else
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13 echo "不支持的系统版本"
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14 exit 1
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15 fi
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16
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17 # 检测所有检测到的网卡，并列出显示网卡名称
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18 echo "检测到的网卡:"
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19 ip link show | grep -oP '(?<=en)\w+' | sort -u
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20 echo "请通过123的方式选择需要编辑的网卡: "
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21 read -p "网卡名称: " NIC
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22
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23 # 询问用户是否需要配置单网卡多IP还是当前网卡只配置一个IP
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24 echo "1. 配置单网卡多IP"
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25 echo "2. 当前网卡只配置一个IP"
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26 read -p "请选择(1/2): " IP_MODE
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27
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28 # 配置网络设置
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29 CONFIG_FILE="${CONFIG_DIR}/01-netcfg.yaml"
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30 echo "network:" > $CONFIG_FILE
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31 echo " version: 2" >> $CONFIG_FILE
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32 echo " renderer: networkd" >> $CONFIG_FILE
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33 echo " ethernets:" >> $CONFIG_FILE
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34 echo " $NIC:" >> $CONFIG_FILE
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35 echo " dhcp4: no" >> $CONFIG_FILE
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36
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37 if [[ $IP_MODE == "1" ]]; then
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38 # 单网卡多IP配置
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39 read -p "请输入第一个IP地址: " IP1
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40 read -p "请输入子网掩码: " SUBNET1
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41 read -p "请输入网关: " GATEWAY1
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42 echo " - $IP1/$SUBNET1" >> $CONFIG_FILE
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43 echo " gateway4: $GATEWAY1" >> $CONFIG_FILE
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44
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45 while true; do
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46 read -p "是否需要添加更多IP? (y/n): " ADD_MORE
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47 if [[ "$ADD_MORE" == "y" || "$ADD_MORE" == "Y" ]]; then
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48 read -p "请输入IP地址: " EXTRA_IP
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49 read -p "请输入子网掩码: " EXTRA_SUBNET
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50 read -p "请输入网关: " EXTRA_GATEWAY
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51 echo " - $EXTRA_IP/$EXTRA_SUBNET" >> $CONFIG_FILE
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52 # 为额外的IP地址添加路由
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53 echo "routes:" >> $CONFIG_FILE
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54 echo " - to: 0.0.0.0/0" >> $CONFIG_FILE
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55 echo " via: $EXTRA_GATEWAY" >> $CONFIG_FILE
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56 echo " on: $NIC" >> $CONFIG_FILE
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57 else
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58 break
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59 fi
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60 done
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61 else
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62 # 单IP配置
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63 read -p "请输入IP地址: " IP
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64 read -p "请输入子网掩码: " SUBNET
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65 read -p "请输入网关: " GATEWAY
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66 echo " - $IP/$SUBNET" >> $CONFIG_FILE
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67 echo " gateway4: $GATEWAY" >> $CONFIG_FILE
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68 fi
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69
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70 read -p "请输入DNS: " DNS
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71 echo " nameservers:" >> $CONFIG_FILE
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72 echo " addresses: [$DNS]" >> $CONFIG_FILE
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73
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74 # 询问是否需要配置永久静态路由
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75 read -p "是否需要配置永久静态路由? (1/2): " ROUTE_MODE
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76
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77 if [[ $ROUTE_MODE == "1" ]]; then
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78 read -p "请输入目的网络: " DEST_NETWORK
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79 read -p "请输入子网掩码: " DEST_SUBNET
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80 read -p "请输入下一跳地址: " NEXT_HOP
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81 echo "配置静态路由..."
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82 echo "routes:" >> $CONFIG_FILE
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83 echo " - to: $DEST_NETWORK/$DEST_SUBNET" >> $CONFIG_FILE
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84 echo " via: $NEXT_HOP" >> $CONFIG_FILE
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85 fi
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86
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87 # 应用配置并验证
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88 if [[ $OS_VERSION == *"Ubuntu"* ]]; then
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89 sudo netplan apply
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90 elif [[ $OS_VERSION == *"CentOS"* ]]; then
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91 sudo systemctl restart network
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92 fi
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93
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94 # 输出配置信息
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95 cat $CONFIG_FILE
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96
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97 # 验证配置
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98 echo "验证配置..."
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99 ip addr show $NIC
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100 ip route show
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101
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102 echo "配置完成!"