19:I[15621,["/_next/static/immutable/chunks/3gm-8e62xn1qd.js","/_next/static/immutable/chunks/0n2yq6f-f75k2.js"],"ArticleReader"] 1a:Tb7f,

#!/bin/sh
exec >/tmp/setup.log 2>&1

###########################################################
#                  自 定 义 配 置 区 域
###########################################################

### 系统后台密码（为空则不修改）
root_password="admin"

### LAN 的 IPv4 地址（也是后台地址，例如 192.168.2.1）
lan_ip_address="192.168.2.1"

### LAN 的子网掩码（例如 255.255.255.0）
# lan_netmask="255.255.255.0"

### LAN 的 IPv4 网关（可为空）
# lan_gateway="192.168.1.1"

### LAN 的 DNS（多个 DNS 可空格分隔，如 "8.8.8.8 1.1.1.1"）
# lan_dns="8.8.8.8 223.5.5.5"

### DHCP 是否开启（1=开启，0=关闭）
# lan_dhcp_enable="1"

### DHCP 起始地址
# lan_dhcp_start="100"

### DHCP 地址池数量
# lan_dhcp_limit="150"

### DHCP 租约时间
# lan_dhcp_leasetime="12h"

### WiFi 名称 SSID（为空则不修改）
# wlan_name="ImmortalWrt"

### WiFi 密码（≥ 8 位才生效）
# wlan_password="12345678"

### PPPoE 宽带账号（为空则跳过）
# pppoe_username=""

### PPPoE 宽带密码
# pppoe_password=""

###########################################################

# ------------ root 密码 ------------
if [ -n "$root_password" ]; then
  (echo "$root_password"; sleep 1; echo "$root_password") | passwd >/dev/null
fi

# ------------ LAN 基础配置 ------------
if [ -n "$lan_ip_address" ]; then
  uci set network.lan.ipaddr="$lan_ip_address"
fi

if [ -n "$lan_netmask" ]; then
  uci set network.lan.netmask="$lan_netmask"
fi

if [ -n "$lan_gateway" ]; then
  uci set network.lan.gateway="$lan_gateway"
fi

# DNS
if [ -n "$lan_dns" ]; then
  uci delete network.lan.dns 2>/dev/null
  for d in $lan_dns; do
    uci add_list network.lan.dns="$d"
  done
fi

uci commit network

# ------------ DHCP 设置 ------------
if [ -n "$lan_dhcp_enable" ]; then
  uci set dhcp.lan.ignore=$([ "$lan_dhcp_enable" = "1" ] && echo 0 || echo 1)
fi

[ -n "$lan_dhcp_start" ] && uci set dhcp.lan.start="$lan_dhcp_start"
[ -n "$lan_dhcp_limit" ] && uci set dhcp.lan.limit="$lan_dhcp_limit"
[ -n "$lan_dhcp_leasetime" ] && uci set dhcp.lan.leasetime="$lan_dhcp_leasetime"

uci commit dhcp

# ------------ WIFI 配置 ------------
if [ -n "$wlan_name" ] && [ -n "$wlan_password" ] && [ ${#wlan_password} -ge 8 ]; then
  uci set wireless.@wifi-device[0].disabled='0'
  uci set wireless.@wifi-iface[0].disabled='0'
  uci set wireless.@wifi-iface[0].encryption='psk2'
  uci set wireless.@wifi-iface[0].ssid="$wlan_name"
  uci set wireless.@wifi-iface[0].key="$wlan_password"
  uci commit wireless
fi

# ------------ PPPoE 宽带拨号 ------------
if [ -n "$pppoe_username" ] && [ -n "$pppoe_password" ]; then
  uci set network.wan.proto=pppoe
  uci set network.wan.username="$pppoe_username"
  uci set network.wan.password="$pppoe_password"
  uci commit network
fi

echo "All done!"

1b:Taca,#!/bin/sh exec >/tmp/setup.log 2>&1 ########################################################### # 自定义配置区域 ########################################################### ### 系统后台密码（为空则不修改） root_password="admin" ### LAN 的 IPv4 地址（也是后台地址，例如 192.168.2.1） lan_ip_address="192.168.2.1" ### LAN 的子网掩码（例如 255.255.255.0） # lan_netmask="255.255.255.0" ### LAN 的 IPv4 网关（可为空） # lan_gateway="192.168.1.1" ### LAN 的 DNS（多个 DNS 可空格分隔，如 "8.8.8.8 1.1.1.1"） # lan_dns="8.8.8.8 223.5.5.5" ### DHCP 是否开启（1=开启，0=关闭） # lan_dhcp_enable="1" ### DHCP 起始地址 # lan_dhcp_start="100" ### DHCP 地址池数量 # lan_dhcp_limit="150" ### DHCP 租约时间 # lan_dhcp_leasetime="12h" ### WiFi 名称 SSID（为空则不修改） # wlan_name="ImmortalWrt" ### WiFi 密码（≥ 8 位才生效） # wlan_password="12345678" ### PPPoE 宽带账号（为空则跳过） # pppoe_username="" ### PPPoE 宽带密码 # pppoe_password="" ########################################################### # ------------ root 密码 ------------ if [ -n "$root_password" ]; then (echo "$root_password"; sleep 1; echo "$root_password") | passwd >/dev/null fi # ------------ LAN 基础配置 ------------ if [ -n "$lan_ip_address" ]; then uci set network.lan.ipaddr="$lan_ip_address" fi if [ -n "$lan_netmask" ]; then uci set network.lan.netmask="$lan_netmask" fi if [ -n "$lan_gateway" ]; then uci set network.lan.gateway="$lan_gateway" fi # DNS if [ -n "$lan_dns" ]; then uci delete network.lan.dns 2>/dev/null for d in $lan_dns; do uci add_list network.lan.dns="$d" done fi uci commit network # ------------ DHCP 设置 ------------ if [ -n "$lan_dhcp_enable" ]; then uci set dhcp.lan.ignore=$([ "$lan_dhcp_enable" = "1" ] && echo 0 || echo 1) fi [ -n "$lan_dhcp_start" ] && uci set dhcp.lan.start="$lan_dhcp_start" [ -n "$lan_dhcp_limit" ] && uci set dhcp.lan.limit="$lan_dhcp_limit" [ -n "$lan_dhcp_leasetime" ] && uci set dhcp.lan.leasetime="$lan_dhcp_leasetime" uci commit dhcp # ------------ WIFI 配置 ------------ if [ -n "$wlan_name" ] && [ -n "$wlan_password" ] && [ ${#wlan_password} -ge 8 ]; then uci set wireless.@wifi-device[0].disabled='0' uci set wireless.@wifi-iface[0].disabled='0' uci set wireless.@wifi-iface[0].encryption='psk2' uci set wireless.@wifi-iface[0].ssid="$wlan_name" uci set wireless.@wifi-iface[0].key="$wlan_password" uci commit wireless fi # ------------ PPPoE 宽带拨号 ------------ if [ -n "$pppoe_username" ] && [ -n "$pppoe_password" ]; then uci set network.wan.proto=pppoe uci set network.wan.username="$pppoe_username" uci set network.wan.password="$pppoe_password" uci commit network fi echo "All done!"11:["$","main",null,{"className":"reader-page","children":[["$","div",null,{"className":"reader-kicker","children":[["$","$L10",null,{"href":"/sources/c67e74e0ee2a891b","children":[["$","svg",null,{"ref":"$undefined","xmlns":"http://www.w3.org/2000/svg","width":16,"height":16,"viewBox":"0 0 24 24","fill":"none","stroke":"currentColor","strokeWidth":2,"strokeLinecap":"round","strokeLinejoin":"round","className":"lucide lucide-arrow-left","children":[["$","path","1l729n",{"d":"m12 19-7-7 7-7"}],["$","path","x3x0zl",{"d":"M19 12H5"}],"$undefined"]}]," 返回 ","繁星点点"]}],["$","span",null,{"children":"工程"}]]}],["$","header",null,{"className":"article-meta","children":[["$","span",null,{"children":["FROM · ","繁星点点"]}],["$","div",null,{"children":[["$","svg",null,{"ref":"$undefined","xmlns":"http://www.w3.org/2000/svg","width":15,"height":15,"viewBox":"0 0 24 24","fill":"none","stroke":"currentColor","strokeWidth":2,"strokeLinecap":"round","strokeLinejoin":"round","className":"lucide lucide-calendar-days","children":[["$","path","1cmpym",{"d":"M8 2v4"}],["$","path","4m81vk",{"d":"M16 2v4"}],["$","rect","1hopcy",{"width":"18","height":"18","x":"3","y":"4","rx":"2"}],["$","path","8toen8",{"d":"M3 10h18"}],["$","path","6423bh",{"d":"M8 14h.01"}],["$","path","1etili",{"d":"M12 14h.01"}],["$","path","1gbofw",{"d":"M16 14h.01"}],["$","path","lrp35t",{"d":"M8 18h.01"}],["$","path","mhygvu",{"d":"M12 18h.01"}],["$","path","kzsmim",{"d":"M16 18h.01"}],"$undefined"]}]," ","2025年11月16日",null]}]]}],["$","$L19",null,{"article":{"title":"OpenWrt固件编译","byline":null,"publishedAt":"2025-11-16T12:08:39.000Z","language":"fr","blocks":[{"id":"b0","type":"heading","html":"

介绍

","text":"介绍"},{"id":"b1","type":"paragraph","html":"

OpenWrt 是一个基于 Linux 的路由器操作系统，专门为嵌入式设备（路由器、NAS、小型网关设备等）设计。

","text":"OpenWrt 是一个基于 Linux 的路由器操作系统，专门为嵌入式设备（路由器、NAS、小型网关设备等）设计。"},{"id":"b2","type":"paragraph","html":"

本篇教程基于immortalwrt，immortalwrt 是基于 openwrt 开发的优化版本，是专门针对中国大陆环境优化的版本。国内用户基本都使用这个版本。

","text":"本篇教程基于immortalwrt，immortalwrt 是基于 openwrt 开发的优化版本，是专门针对中国大陆环境优化的版本。国内用户基本都使用这个版本。"},{"id":"b3","type":"paragraph","html":"

项目地址：https://github.com/immortalwrt/immortalwrt

","text":"项目地址：https://github.com/immortalwrt/immortalwrt"},{"id":"b4","type":"heading","html":"

immortalwrt 在线构建

","text":"immortalwrt 在线构建"},{"id":"b5","type":"paragraph","html":"

官方提供的网页在线构建叫ImageBuilder，不是编译源码，而是借助官方的服务器资源，使用预编译好的SDK，快速选择包然后生成固件。优点是构建很快，缺点是自定义程度不是很高，但是常用的配置都可以自定义，例如提前安装插件，配置网口信息和防火墙什么的。

","text":"官方提供的网页在线构建叫ImageBuilder，不是编译源码，而是借助官方的服务器资源，使用预编译好的SDK，快速选择包然后生成固件。优点是构建很快，缺点是自定义程度不是很高，但是常用的配置都可以自定义，例如提前安装插件，配置网口信息和防火墙什么的。"},{"id":"b6","type":"paragraph","html":"

官方在线编译地址：https://firmware-selector.immortalwrt.org

","text":"官方在线编译地址：https://firmware-selector.immortalwrt.org"},{"id":"b7","type":"heading","html":"

必备软件

","text":"必备软件"},{"id":"b8","type":"paragraph","html":"

openssh-sftp-server curl luci-theme-argon luci-i18n-homeproxy-zh-cn luci-i18n-ttyd-zh-cn luci-i18n-diskman-zh-cn luci-i18n-filemanager-zh-cn luci-i18n-package-manager-zh-cn luci-i18n-firewall-zh-cn\n

","text":"openssh-sftp-server curl luci-theme-argon luci-i18n-homeproxy-zh-cn luci-i18n-ttyd-zh-cn luci-i18n-diskman-zh-cn luci-i18n-filemanager-zh-cn luci-i18n-package-manager-zh-cn luci-i18n-firewall-zh-cn"},{"id":"b9","type":"paragraph","html":"

当你安装一个插件包时，他会自动下载所需的软件和依赖，所以只需添加对应插件的汉化包即可。

","text":"当你安装一个插件包时，他会自动下载所需的软件和依赖，所以只需添加对应插件的汉化包即可。"},{"id":"b10","type":"paragraph","html":"

ImmortalWrt软件包查询（注意替换实际的版本和设备架构）：

","text":"ImmortalWrt软件包查询（注意替换实际的版本和设备架构）："},{"id":"b11","type":"paragraph","html":"

带luci界面的包：https://downloads.immortalwrt.org/releases/25.12.0/packages/x86_64/luci/index.json

","text":"带luci界面的包：https://downloads.immortalwrt.org/releases/25.12.0/packages/x86_64/luci/index.json"},{"id":"b12","type":"paragraph","html":"

不带luci界面的包：https://downloads.immortalwrt.org/releases/25.12.0/packages/x86_64/packages/index.json

","text":"不带luci界面的包：https://downloads.immortalwrt.org/releases/25.12.0/packages/x86_64/packages/index.json"},{"id":"b13","type":"heading","html":"

初始化构建脚本

","text":"初始化构建脚本"},{"id":"b14","type":"paragraph","html":"

要修改的地方请去掉注释

","text":"要修改的地方请去掉注释"},{"id":"b15","type":"paragraph","html":"$1a","text":"$1b"},{"id":"b16","type":"paragraph","html":"

构建完成后下载对应的固件包刷入系统即可。

","text":"构建完成后下载对应的固件包刷入系统即可。"},{"id":"b17","type":"heading","html":"

immortalwrt 基于源码编译

","text":"immortalwrt 基于源码编译"},{"id":"b18","type":"paragraph","html":"

使用干净的Debian 12或者ubuntu 22.04系统，国外网络通畅，有40G以上的空闲存储空间。注意源码编译很费时间，4H8G的配置需要大约2小时以上才能编译好。

","text":"使用干净的Debian 12或者ubuntu 22.04系统，国外网络通畅，有40G以上的空闲存储空间。注意源码编译很费时间，4H8G的配置需要大约2小时以上才能编译好。"},{"id":"b19","type":"heading","html":"

1：安装依赖

","text":"1：安装依赖"},{"id":"b20","type":"paragraph","html":"

sudo apt update -y\nsudo apt full-upgrade -y\nsudo apt install -y \\\n  ack antlr3 asciidoc autoconf automake autopoint binutils bison build-essential \\\n  bzip2 ccache clang cmake cpio curl device-tree-compiler ecj fastjar flex gawk gettext \\\n  gcc-multilib g++-multilib git gperf haveged help2man intltool libc6-dev-i386 libelf-dev \\\n  libglib2.0-dev libgmp-dev libltdl-dev libmpc-dev libmpfr-dev libncurses-dev libpython3-dev \\\n  libreadline-dev libssl-dev libtool libyaml-dev lld llvm lrzsz genisoimage \\\n  ninja-build p7zip-full patch pkgconf python3 python3-pip python3-ply python3-docutils \\\n  python3-pyelftools qemu-utils re2c rsync scons squashfs-tools subversion swig texinfo \\\n  uglifyjs unzip wget nano xmlto xxd zlib1g-dev upx zstd\n

","text":"sudo apt update -y sudo apt full-upgrade -y sudo apt install -y \\ ack antlr3 asciidoc autoconf automake autopoint binutils bison build-essential \\ bzip2 ccache clang cmake cpio curl device-tree-compiler ecj fastjar flex gawk gettext \\ gcc-multilib g++-multilib git gperf haveged help2man intltool libc6-dev-i386 libelf-dev \\ libglib2.0-dev libgmp-dev libltdl-dev libmpc-dev libmpfr-dev libncurses-dev libpython3-dev \\ libreadline-dev libssl-dev libtool libyaml-dev lld llvm lrzsz genisoimage \\ ninja-build p7zip-full patch pkgconf python3 python3-pip python3-ply python3-docutils \\ python3-pyelftools qemu-utils re2c rsync scons squashfs-tools subversion swig texinfo \\ uglifyjs unzip wget nano xmlto xxd zlib1g-dev upx zstd"},{"id":"b21","type":"heading","html":"

2：下载对应tags的源码（以`v24.10.4`为例）

","text":"2：下载对应tags的源码（以v24.10.4为例）"},{"id":"b22","type":"paragraph","html":"

后续步骤建议切换为普通用户，不要用root用户编译。

","text":"后续步骤建议切换为普通用户，不要用root用户编译。"},{"id":"b23","type":"paragraph","html":"

git clone -b v24.10.4 --single-branch --filter=blob:none https://github.com/immortalwrt/immortalwrt\n

","text":"git clone -b v24.10.4 --single-branch --filter=blob:none https://github.com/immortalwrt/immortalwrt"},{"id":"b24","type":"heading","html":"

3：进入项目目录

","text":"3：进入项目目录"},{"id":"b25","type":"paragraph","html":"

cd immortalwrt\n

","text":"cd immortalwrt"},{"id":"b26","type":"heading","html":"

4：获取最新软件包清单

","text":"4：获取最新软件包清单"},{"id":"b27","type":"paragraph","html":"

./scripts/feeds update -a\n

","text":"./scripts/feeds update -a"},{"id":"b28","type":"heading","html":"

5：安装软件包符号链接

","text":"5：安装软件包符号链接"},{"id":"b29","type":"paragraph","html":"

./scripts/feeds install -a\n

","text":"./scripts/feeds install -a"},{"id":"b30","type":"heading","html":"

6：配置固件信息

","text":"6：配置固件信息"},{"id":"b31","type":"paragraph","html":"

make menuconfig\n

","text":"make menuconfig"},{"id":"b32","type":"paragraph","html":"

这一步很重要，前三个选项分别是目标系统 - 子架构 - 目标机型。根据你的实际设备来选。

","text":"这一步很重要，前三个选项分别是目标系统 - 子架构 - 目标机型。根据你的实际设备来选。"},{"id":"b33","type":"paragraph","html":"

然后第四个选项Target Images是修改固件配置的，其中Root filesystem partition size是根文件系统分区大小建议修改，根据你设备的存储空间来选择，这里的值就是最大存储空间。

","text":"然后第四个选项Target Images是修改固件配置的，其中Root filesystem partition size是根文件系统分区大小建议修改，根据你设备的存储空间来选择，这里的值就是最大存储空间。"},{"id":"b34","type":"paragraph","html":"

其他配置都是可选的，其中luci选项中可以预安装一些插件包。

","text":"其他配置都是可选的，其中luci选项中可以预安装一些插件包。"},{"id":"b35","type":"paragraph","html":"

来自某大佬的详细说明：https://youtu.be/czUW52M62Sw?t=2432

","text":"来自某大佬的详细说明：https://youtu.be/czUW52M62Sw?t=2432"},{"id":"b36","type":"heading","html":"

7：修改LAN口IP地址等等信息

","text":"7：修改LAN口IP地址等等信息"},{"id":"b37","type":"paragraph","html":"

可以在这里查看默认值：https://github.com/immortalwrt/immortalwrt/blob/master/package/base-files/files/bin/config_generate

","text":"可以在这里查看默认值：https://github.com/immortalwrt/immortalwrt/blob/master/package/base-files/files/bin/config_generate"},{"id":"b38","type":"paragraph","html":"

nano package/base-files/files/bin/config_generate\n

","text":"nano package/base-files/files/bin/config_generate"},{"id":"b39","type":"heading","html":"

8：编译固件

","text":"8：编译固件"},{"id":"b40","type":"paragraph","html":"

单线程编译

","text":"单线程编译"},{"id":"b41","type":"paragraph","html":"

make -j1 V=s\n

","text":"make -j1 V=s"},{"id":"b42","type":"paragraph","html":"

或者多线程编译

","text":"或者多线程编译"},{"id":"b43","type":"paragraph","html":"

make -j$(nproc --ignore=1)\n

","text":"make -j$(nproc --ignore=1)"},{"id":"b44","type":"paragraph","html":"

编译出来的固件在bin目录下

","text":"编译出来的固件在bin目录下"},{"id":"b45","type":"heading","html":"

9：重新编译说明

","text":"9：重新编译说明"},{"id":"b46","type":"paragraph","html":"

如果需要重新编译则执行make distclean清理一些残留和工具链等等，然后再从第四步重新开始。

","text":"如果需要重新编译则执行make distclean清理一些残留和工具链等等，然后再从第四步重新开始。"},{"id":"b47","type":"heading","html":"

VirtualBox虚拟机运行immortalwrt

","text":"VirtualBox虚拟机运行immortalwrt"},{"id":"b48","type":"paragraph","html":"

1：选择x86/64型号，编译后，下载COMBINED (EXT4)格式的镜像，并解压到下载目录

","text":"1：选择x86/64型号，编译后，下载COMBINED (EXT4)格式的镜像，并解压到下载目录"},{"id":"b49","type":"paragraph","html":"

2：在文件目录下打开 PowerShell

","text":"2：在文件目录下打开 PowerShell"},{"id":"b50","type":"list","html":"

将镜像转换成VDI格式

","text":"将镜像转换成VDI格式"},{"id":"b51","type":"paragraph","html":"

& \"C:\\Program Files\\Oracle\\VirtualBox\\VBoxManage.exe\" convertfromraw `\n    \"immortalwrt-24.10.4-f726c678216d-x86-64-generic-ext4-combined.img\" `\n    \"immortalwrt.vdi\" `\n    --format VDI\n

","text":"& \"C:\\Program Files\\Oracle\\VirtualBox\\VBoxManage.exe\" convertfromraw ` \"immortalwrt-24.10.4-f726c678216d-x86-64-generic-ext4-combined.img\" ` \"immortalwrt.vdi\" ` --format VDI"},{"id":"b52","type":"paragraph","html":"

3：打开VirtualBox，新建虚拟机，OS选择Linux，然后选择Other Linux，然后指定虚拟硬盘，选择使用已有的虚拟硬盘文件，选择immortalwrt.vdi文件，然后点击完成，然后设置里找到网络，选择桥接网卡，勾选Virtual Cable Connected，注意你的openwrt系统的LAN口IP地址要和电脑在同一网段。网关和DNS也要和电脑的一致。

","text":"3：打开VirtualBox，新建虚拟机，OS选择Linux，然后选择Other Linux，然后指定虚拟硬盘，选择使用已有的虚拟硬盘文件，选择immortalwrt.vdi文件，然后点击完成，然后设置里找到网络，选择桥接网卡，勾选Virtual Cable Connected，注意你的openwrt系统的LAN口IP地址要和电脑在同一网段。网关和DNS也要和电脑的一致。"},{"id":"b53","type":"paragraph","html":"

系统内修改网络配置的命令：

","text":"系统内修改网络配置的命令："},{"id":"b54","type":"paragraph","html":"

vi /etc/config/network\n

","text":"vi /etc/config/network"},{"id":"b55","type":"paragraph","html":"

/etc/init.d/network restart\n

","text":"/etc/init.d/network restart"},{"id":"b56","type":"paragraph","html":"

4：浏览器进入LAN口IP地址，密码是初始化脚本中设置的密码。

","text":"4：浏览器进入LAN口IP地址，密码是初始化脚本中设置的密码。"},{"id":"b57","type":"heading","html":"

X86主机设备将镜像写入到硬盘

","text":"X86主机设备将镜像写入到硬盘"},{"id":"b58","type":"paragraph","html":"

先将镜像烧录到U盘，然后使用U盘启动进入到openwrt系统，然后使用DD命令写入镜像，就可以拔掉U盘运行openwrt系统了。

","text":"先将镜像烧录到U盘，然后使用U盘启动进入到openwrt系统，然后使用DD命令写入镜像，就可以拔掉U盘运行openwrt系统了。"},{"id":"b59","type":"heading","html":"

查看U盘和目标硬盘

","text":"查看U盘和目标硬盘"},{"id":"b60","type":"paragraph","html":"

lsblk -f\n

","text":"lsblk -f"},{"id":"b61","type":"quote","html":"

\n
例如 U 盘是 /dev/sdb 硬盘是 /dev/sda
\n

","text":"例如 U 盘是 /dev/sdb 硬盘是 /dev/sda"},{"id":"b62","type":"heading","html":"

如果目标硬盘有被挂载则需要卸载，例如之前装了系统之类的

","text":"如果目标硬盘有被挂载则需要卸载，例如之前装了系统之类的"},{"id":"b63","type":"paragraph","html":"

umount /dev/sda1\numount /dev/sda2\numount /dev/sda3\n

","text":"umount /dev/sda1 umount /dev/sda2 umount /dev/sda3"},{"id":"b64","type":"heading","html":"

检查是否卸载成功

","text":"检查是否卸载成功"},{"id":"b65","type":"paragraph","html":"

mount | grep sda\n

","text":"mount | grep sda"},{"id":"b66","type":"quote","html":"

\n
如果返回为空就代表卸载成功了
\n

","text":"如果返回为空就代表卸载成功了"},{"id":"b67","type":"heading","html":"

写入镜像（注意替换实际的U盘和硬盘）

","text":"写入镜像（注意替换实际的U盘和硬盘）"},{"id":"b68","type":"paragraph","html":"

dd if=/dev/sdb of=/dev/sda bs=4M conv=fsync\n

","text":"dd if=/dev/sdb of=/dev/sda bs=4M conv=fsync"},{"id":"b69","type":"quote","html":"

\n
如果没报错，并且看到了两行数字就代表成功了
\n

","text":"如果没报错，并且看到了两行数字就代表成功了"},{"id":"b70","type":"heading","html":"

强制刷新缓存

","text":"强制刷新缓存"},{"id":"b71","type":"paragraph","html":"

sync\n

","text":"sync"},{"id":"b72","type":"heading","html":"

命令解释：

","text":"命令解释："},{"id":"b73","type":"paragraph","html":"

if=/dev/sdb ：输入源，U 盘设备

","text":"if=/dev/sdb ：输入源，U 盘设备"},{"id":"b74","type":"paragraph","html":"

of=/dev/sda ：输出目标，硬盘/闪存设备

","text":"of=/dev/sda ：输出目标，硬盘/闪存设备"},{"id":"b75","type":"paragraph","html":"

bs=4M ：每次写入 4M，提高速度

","text":"bs=4M ：每次写入 4M，提高速度"},{"id":"b76","type":"paragraph","html":"

conv=fsync ：写完后刷新缓存，确保数据落盘

","text":"conv=fsync ：写完后刷新缓存，确保数据落盘"},{"id":"b77","type":"paragraph","html":"

sync ：再次确保所有数据写入完成

","text":"sync ：再次确保所有数据写入完成"}],"source":"$0:f:0:1:0:props:children:props:children:1:props:children:props:children:props:children:0:props:sources:583","originalUrl":"https://blog.52013120.xyz/post/68.html","excerpt":"# 介绍\nOpenWrt 是一个基于 Linux 的路由器操作系统，专门为嵌入式设备（路由器、NAS、小型网关设备等）设计。"},"shouldTranslate":true}],"$L1c"]}]