364 lines
8.5 KiB
Bash
364 lines
8.5 KiB
Bash
#!/bin/bash
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# Debian 12 网络配置脚本
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# 网络优化和配置
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set -e
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# 颜色定义
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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# 日志函数
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log_info() {
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echo -e "${BLUE}[INFO]${NC} $1"
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}
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log_success() {
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echo -e "${GREEN}[SUCCESS]${NC} $1"
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}
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log_warning() {
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echo -e "${YELLOW}[WARNING]${NC} $1"
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}
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log_error() {
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echo -e "${RED}[ERROR]${NC} $1"
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}
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# 配置 DNS
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configure_dns() {
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log_info "配置 DNS 服务器..."
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# 备份原始 resolv.conf
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cp /etc/resolv.conf /etc/resolv.conf.backup
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# 配置国内 DNS 服务器
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cat > /etc/resolv.conf << 'EOF'
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# EM Script Library - DNS Configuration
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nameserver 223.5.5.5 # AliDNS
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nameserver 223.6.6.6 # AliDNS
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nameserver 119.29.29.29 # DNSPod
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nameserver 182.254.116.116 # DNSPod
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nameserver 114.114.114.114 # 114DNS
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nameserver 8.8.8.8 # Google DNS (fallback)
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nameserver 1.1.1.1 # Cloudflare DNS (fallback)
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EOF
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# 防止网络管理器覆盖 DNS 配置
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if [[ -f /etc/NetworkManager/NetworkManager.conf ]]; then
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sed -i '/\[main\]/a dns=none' /etc/NetworkManager/NetworkManager.conf
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systemctl restart NetworkManager
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fi
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log_success "DNS 配置完成"
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}
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# 测试 DNS 解析速度
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test_dns_speed() {
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log_info "测试 DNS 解析速度..."
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local domains=("www.baidu.com" "www.qq.com" "www.taobao.com" "www.github.com")
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local dns_servers=(
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"223.5.5.5|AliDNS"
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"119.29.29.29|DNSPod"
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"114.114.114.114|114DNS"
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"8.8.8.8|Google"
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"1.1.1.1|Cloudflare"
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)
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echo "DNS 服务器性能测试:"
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echo "=========================================="
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for dns_server in "${dns_servers[@]}"; do
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local server=$(echo "$dns_server" | cut -d'|' -f1)
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local name=$(echo "$dns_server" | cut -d'|' -f2)
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local total_time=0
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local success_count=0
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for domain in "${domains[@]}"; do
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local start_time=$(date +%s%N)
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if nslookup "$domain" "$server" >/dev/null 2>&1; then
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local end_time=$(date +%s%N)
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local time_diff=$(( (end_time - start_time) / 1000000 ))
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total_time=$((total_time + time_diff))
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success_count=$((success_count + 1))
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fi
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done
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if [[ $success_count -gt 0 ]]; then
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local avg_time=$((total_time / success_count))
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printf "%-12s %-10s %dms (成功: %d/%d)\n" "$server" "$name" "$avg_time" "$success_count" "${#domains[@]}"
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else
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printf "%-12s %-10s 失败\n" "$server" "$name"
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fi
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done
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log_success "DNS 测试完成"
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}
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# 配置网络接口
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configure_interfaces() {
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log_info "配置网络接口..."
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# 获取网络接口信息
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local interfaces=$(ip -o link show | awk -F': ' '{print $2}' | grep -v lo)
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for interface in $interfaces; do
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log_info "配置接口: $interface"
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# 创建网络接口配置
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cat > "/etc/network/interfaces.d/$interface" << EOF
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# EM Script Library - Network Interface Configuration
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auto $interface
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iface $interface inet dhcp
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# DNS 配置
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dns-nameservers 223.5.5.5 223.6.6.6 119.29.29.29
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dns-search local
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# MTU 设置 (可选)
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# mtu 1500
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EOF
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done
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log_success "网络接口配置完成"
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}
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# 配置网络代理
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configure_proxy() {
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local proxy_type="$1"
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local proxy_host="$2"
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local proxy_port="$3"
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if [[ -z "$proxy_host" || -z "$proxy_port" ]]; then
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log_error "请提供代理主机和端口"
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echo "用法: $0 proxy <类型> <主机> <端口>"
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echo "类型: http, https, socks5"
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return 1
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fi
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log_info "配置 $proxy_type 代理: $proxy_host:$proxy_port"
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case $proxy_type in
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http)
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export http_proxy="http://$proxy_host:$proxy_port"
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export https_proxy="http://$proxy_host:$proxy_port"
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;;
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https)
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export http_proxy="https://$proxy_host:$proxy_port"
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export https_proxy="https://$proxy_host:$proxy_port"
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;;
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socks5)
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export http_proxy="socks5://$proxy_host:$proxy_port"
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export https_proxy="socks5://$proxy_host:$proxy_port"
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;;
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*)
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log_error "不支持的代理类型: $proxy_type"
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return 1
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;;
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esac
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# 配置系统代理
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cat > /etc/environment << EOF
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# EM Script Library - System Proxy Configuration
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http_proxy=$http_proxy
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https_proxy=$https_proxy
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ftp_proxy=$http_proxy
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no_proxy=localhost,127.0.0.1,::1,.local
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EOF
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# 配置 apt 代理
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cat > /etc/apt/apt.conf.d/99proxy << EOF
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# EM Script Library - APT Proxy Configuration
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Acquire::http::Proxy "$http_proxy";
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Acquire::https::Proxy "$https_proxy";
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EOF
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# 配置 wget 代理
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cat > /root/.wgetrc << EOF
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# EM Script Library - Wget Proxy Configuration
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http_proxy=$http_proxy
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https_proxy=$https_proxy
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EOF
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# 配置 curl 代理
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cat > /root/.curlrc << EOF
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# EM Script Library - Curl Proxy Configuration
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proxy=$http_proxy
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EOF
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log_success "代理配置完成"
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}
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# 移除代理配置
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remove_proxy() {
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log_info "移除代理配置..."
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unset http_proxy https_proxy ftp_proxy no_proxy
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rm -f /etc/environment
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rm -f /etc/apt/apt.conf.d/99proxy
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rm -f /root/.wgetrc
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rm -f /root/.curlrc
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log_success "代理配置已移除"
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}
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# 测试网络连接
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test_network() {
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log_info "测试网络连接..."
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local test_hosts=(
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"223.5.5.5|阿里DNS"
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"www.baidu.com|百度"
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"www.qq.com|腾讯"
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"www.github.com|GitHub"
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"registry.npmmirror.com|NPM镜像"
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"pypi.tuna.tsinghua.edu.cn|PyPI镜像"
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)
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echo "网络连接测试:"
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echo "=========================================="
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for host_info in "${test_hosts[@]}"; do
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local host=$(echo "$host_info" | cut -d'|' -f1)
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local name=$(echo "$host_info" | cut -d'|' -f2)
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if ping -c 3 -W 3 "$host" >/dev/null 2>&1; then
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local ping_time=$(ping -c 3 "$host" | tail -1 | awk '{print $4}' | cut -d'/' -f2)
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printf "%-30s ✓ %s ms\n" "$name ($host)" "$ping_time"
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else
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printf "%-30s ✗ 连接失败\n" "$name ($host)"
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fi
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done
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log_success "网络测试完成"
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}
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# 配置 IPv6
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configure_ipv6() {
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log_info "配置 IPv6 支持..."
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# 启用 IPv6
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sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="[^"]*/& ipv6.disable=0/' /etc/default/grub
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sed -i 's/GRUB_CMDLINE_LINUX="[^"]*/& ipv6.disable=0/' /etc/default/grub
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update-grub
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# 配置 sysctl IPv6 参数
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cat >> /etc/sysctl.d/99-custom.conf << 'EOF'
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# IPv6 configuration
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net.ipv6.conf.all.disable_ipv6 = 0
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net.ipv6.conf.default.disable_ipv6 = 0
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net.ipv6.conf.lo.disable_ipv6 = 0
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EOF
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sysctl -p
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log_success "IPv6 配置完成，重启后生效"
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}
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# 显示网络信息
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show_network_info() {
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log_info "网络配置信息:"
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echo "=== 网络接口 ==="
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ip addr show
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echo ""
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echo "=== 路由表 ==="
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ip route show
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echo ""
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echo "=== DNS 配置 ==="
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cat /etc/resolv.conf
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echo ""
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echo "=== 网络连接 ==="
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ss -tuln
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echo ""
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echo "=== 网络统计 ==="
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ip -s link
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}
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# 显示帮助信息
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show_help() {
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cat << EOF
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Debian 12 网络配置工具
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用法: $0 [选项] [操作]
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操作:
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dns 配置 DNS 服务器
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dns-test 测试 DNS 解析速度
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interfaces 配置网络接口
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proxy 配置网络代理
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remove-proxy 移除代理配置
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network-test 测试网络连接
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ipv6 配置 IPv6 支持
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info 显示网络信息
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选项:
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-h, --help 显示此帮助信息
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示例:
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$0 dns # 配置 DNS
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$0 proxy http 127.0.0.1 8080 # 配置 HTTP 代理
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$0 network-test # 测试网络连接
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$0 info # 显示网络信息
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EOF
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}
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# 主函数
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main() {
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local action="$1"
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case $action in
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dns)
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configure_dns
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;;
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dns-test)
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test_dns_speed
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;;
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interfaces)
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configure_interfaces
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;;
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proxy)
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shift
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configure_proxy "$@"
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;;
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remove-proxy)
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remove_proxy
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;;
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network-test)
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test_network
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;;
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ipv6)
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configure_ipv6
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;;
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info)
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show_network_info
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;;
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""|-h|--help)
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show_help
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;;
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*)
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log_error "未知操作: $action"
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show_help
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exit 1
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;;
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esac
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log_success "网络配置完成！"
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}
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# 执行主函数
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main "$@" |