Klik disini >> 🍸 Realtek 8811Cu Wireless Lan 802.11 Ac Usb

Realtek8811CU Wireless LAN 802.11AC USB NIC. I have recently bought a usb wifi adapter as my current network card does not get any 5Ghz signal. I used to run on windows 10 so no issue to install the driver. But I got fed up of win10 as quite slow on my laptop. So i have decided to install linux mint 19.3 with cinnamon desktop in dual boot BuyUSB Wireless Adapter 600Mbps Realtek RTL8811CU Chipset Mini Type Dual Band 11AC WiFi Dongle IEEE 802.11 a b g n ac for Laptop Desktop IPTV USB Canbe used as content for research and analysis. Re: Any hope for Realtek 8811CU wireless LAN 802.11ac USB NIC working. The default mode of these USB 3.0 devices according to diagnostics is USB 2.0. Description Free Download n/a The package provides the installation files for Realtek 8812BU Wireless LAN 802.11ac USB NIC Driver version . Collected from the Vay Tiền Online Chuyển Khoản Ngay. 文库首页网络技术网络设备 Realtek 8811CU-21CU Wireless LAN USB Realtek8811Cu8821CuUSBWindows 所需积分/C币 48 浏览量 RAR 2020-06-29 192752 上传身份认证购VIP最低享 7 折! 评论收藏内容反馈 Realtek 8811CU/8821CU Wireless LAN USB NIC的windows 7 驱动，实测AD-HOC稳定可用。资源推荐资源评论 5星资源好评率100% RTL8811CU模块WG217 5星资源好评率100% 应用RTL8811CU开发设计高性能单通道11ac双频wifi模块WG217 rtl8821CURealtek RTL8811CURTL8821CU USB Realtek RTL8811CU / RTL8821CU USB 在构建此驱动程序之前，请确保已安装make ， gcc ， linux-header和git 。首先，克隆此存储库 mkdir -p ~/build cd ~/build git clone rtl8821CURealtek RTL8811CURTL8821CU USB Wi-Fi适配器驱动程序，用于Linux Realtek RTL8811CU / RTL8821CU USB 在构建此驱动程序之前，请确保已安装make ， gcc ， linux-header / kernel-devel ， bc和git 。首先，克隆此存储库 mkdir -p ~/build cd ~/build git clone https//gi Ubuntu绿联USB无线网卡CM448 RTL8811CU驱动问题描述：error redefinition of struct sha256_state’ 系统：Ubuntu Kylin LTS Pro 内核：Linux ** 46-Ubuntu SMP Wed Aug 11 09 Realtek 8811CU Wireless LAN USB NIC安装到kali-linux方法 5星资源好评率100% 用了三天时间自己从网上寻找网卡安装教程，很多都碰壁，现在终于解决了。这是自己总结的安装过程，若还不会的小伙伴可以评论问我哦！有需要的小伙伴欢迎下载。 Realtek RTL 8111黑苹果驱动 Realtek RTL 8111黑苹果驱动，需配合kext utility使用 realtek usb无线网卡通用驱动程序 realtek usb无线网卡通用驱动程序使用于macOS 黑苹果可以使用支持设备：ASUS_USB-N10E_92CU ASUS_USB-N13_92CU ASUS_USB-N10_92CU ASUS_1870_8812BU ASUS_USB-N10E_92CU ASUS_USB-N10_92CU ASUS_USB-N13_92CU ASUS_USB-AC53_8812BU ASUS_USB-AC55B 瑞昱Realtek无线网卡8188GU驱动（Windows） 3星编辑精心推荐自水星MW150UH驱动提取，可作为NdisWrapper安装Linux无线网卡驱动的原料。本人使用win7 32位驱动成功安装Linux无线网卡驱动 2018-02-08 Version Support for more NIC models and VLAN tags 2015-01-16 Version Changed driver code to not use IP checksum hardware offload caused various issues with networking . REALTEK USB Wireless LAN Utility 驱动 REALTEK USB Wireless LAN Utility 最新官方驱动，亲测可用，支持win7,win8 rtl8812au, Realtek rtl8812au, Realtek Realtek rtl8812au 这是 rtl8812au 驱动程序改变的fork，可以以在Linux内核版本> = 华为荣耀笔记本锐龙版8822ce WIN10网络驱动驱动驱动大师等类似识别网卡软件识别型号：Realtek 8822CE Wireless LAN PCI-E NIC / Electronics Telecommunication RSH 经过2020年2月19日的实际测试，此驱动可用，有效，稳定。上网协议 Realtek RTL8188CU Wireless LAN Realtek RTL8188CU Wireless LAN USB Network Realtek RTL8723BE Wireless LAN 网卡驱动网卡驱动，适用于绝大多数的电脑安装程序，装系统以及网络问题时可用此驱动来更新网卡Realtek 8821CE Wireless LAN PCI-E NIC 5星资源好评率100% 网卡Realtek 8821CE Wireless LAN PCI-E NIC-CSDN下载 ASUSPRO P5440UA无线网卡：Realtek 8821CE Wireless LAN PCI-E NIC 5星资源好评率100% 解决win10系统从官网下载无线网卡驱动不能安装问题笔记本型号P5440U 无线网卡：Realtek 8821CE devPCI\VEN_10EC&DEV;_C821&REV;_00 ESXI670_U2_re vmkusb-nic-fling net55-r8168 net-igb fw-ntpd sata-xahci ... usb 无线驱动适用于windows系统，适用于各种各样外接usb无线网卡驱动 rtl8088cu无线网卡驱动需要网卡驱动的朋友来下载不可多得的好资源啊 2014年，路由器的价值似乎被发现，迅速成为互联网公司争夺焦点。小米路由器/mini已经发布，即将发布的还有：极路由2、迅雷路由、360安全路由、百度小度路由、盛大果壳路由、联想如意云路由2。还有要特别关注的苹果路由器。这些路由器在发布时，宣传时有一些技术名词， nic无线网卡驱动 USB-WiFi驱动安装简介 Broadcom Network Adapter驱动 4星用户满意度95% Broadcom Network Adapter驱动适用于win7，win8，真正RTL8812AU的Datasheet，瑞昱官方的RTL8811AU硬件数据手册，灰常不好找，本人找了很久 5星资源好评率100% 免费的，出现问题重装即可。“我的电脑”单机右键，选择“管理”丨设备管理器丨网络适配器丨右击“ RTL8811AU 新版linux驱动程序 4星用户满意度95% 本代码是最新的Realtek的RTL8811AU的驱动程序，可以直接编译使用。瑞昱 RTL8188RU无线网卡驱动瑞昱 RTL8188RU无线网卡驱动评论收藏内容反馈资源评论 foxlx 粉丝 2 资源 18 前往需求广场，查看用户热搜上传资源快速赚钱我的内容管理展开微信小程序商城源码合集 CSDN最全面的微信小程序源码和模板商城小程序完整源码微信小程序商城项目实战精品专辑相关资源 rtl8821CURealtek RTL8811CURTL8821CU USB RTL8811CURTL8821CU USB Wi-Fi适配器驱动程序，用于LinuxUbuntu绿联USB无线网卡CM448 RTL8811CU驱动Realtek 8811CU Wireless LAN USB NIC安装到kali-linux方法Realtek RTL 8111黑苹果驱动资源上传下载、课程学习等过程中有任何疑问或建议，欢迎提出宝贵意见哦~我们会及时处理！点击此处反馈 ID 0bdab812 Realtek Semiconductor Corp. RTL88x2bu only, rtl8822BU chipset 0bdab812 0bdac820 rtl8821cu WiFi Bluetooth USB 0bdac820 Bus 001 Device 007 ID 0bdac820 Realtek Semiconductor Corp. NIC The device is supported by the following drivers lwfinger/rtl8723au_bt 不能用，NG brektrou/rtl8821CU 不能用，NG smp79/rtl8821CU 不能用，NG whitebatman2/rtl8821CU 不能用，NG 不能用，NG * 备注：能用的在本文的最下面失败： [roothpi7 drivers] [roothpi7 drivers] git clone Cloning into 'rtl88x2bu'... remote Enumerating objects 1871, done. remote Counting objects 100% 138/138, done. remote Compressing objects 100% 94/94, done. remote Total 1871 delta 73, reused 96 delta 42, pack-reused 1733 Receiving objects 100% 1871/1871, MiB MiB/s, done. Resolving deltas 100% 1188/1188, done. [roothpi7 drivers] ls rtl8812au rtl88x2bu [roothpi7 drivers] cd rtl88 rtl8812au/ rtl88x2bu/ [roothpi7 drivers] cd rtl88x2bu/ [roothpi7 rtl88x2bu] ls clean core hal ifcfg-wlan0 include Kconfig LICENSE Makefile os_dep platform runwpa wlan0dhcp [roothpi7 rtl88x2bu] VER=$sed -n 's/\PACKAGE_VERSION="\.\"/\1/p' [roothpi7 rtl88x2bu] rsync -rvhP ./ /usr/src/rtl88x2bu-${VER} sending incremental file list created directory /usr/src/ ./ .gitignore 422 100% 00000 xfr1, to-chk=704/706 Kconfig .git/objects/pack/ .git/objects/pack/pack-7aa47d04 100% 00000 xfr36, to-chk=651/706 ...... platform/ 100% 00000 xfr660, to-chk=2/706 platform/ 100% 00000 xfr661, to-chk=1/706 platform/ 989 100% 00000 xfr662, to-chk=0/706 sent bytes received bytes bytes/sec total size is speedup is [roothpi7 rtl88x2bu] [roothpi7 rtl88x2bu] dkms add -m rtl88x2bu -v ${VER} Creating symlink /var/lib/dkms/rtl88x2bu/ -> /usr/src/ DKMS add completed. [roothpi7 rtl88x2bu] [roothpi7 rtl88x2bu] dkms build -m rtl88x2bu -v ${VER} Kernel preparation unnecessary for this kernel. Skipping... Building module cleaning build area... make -j8 KERNELRELEASE= KVER= src=/usr/src/ exit status 2 Error! Bad return status for module build on kernel x86_64 Consult /var/lib/dkms/rtl88x2bu/ for more information. F ！ [roothpi7 rtl88x2bu] ls clean core hal ifcfg-wlan0 include Kconfig LICENSE Makefile os_dep platform runwpa wlan0dhcp [roothpi7 rtl88x2bu] chmod +x ./ [roothpi7 rtl88x2bu] ./ Kernel preparation unnecessary for this kernel. Skipping... Building module cleaning build area... make -j8 KERNELRELEASE= KVER= src=/usr/src/ exit status 2 Error! Bad return status for module build on kernel x86_64 Consult /var/lib/dkms/rtl88x2bu/ for more information. [roothpi7 rtl88x2bu] make all make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/ M=/root/drivers/rtl88x2bu modules make[1] Entering directory '/usr/src/kernels/ CC [M] /root/drivers/rtl88x2bu/core/ ^~~~~~~~ /root/drivers/rtl88x2bu/os_dep/linux/ note each undeclared identifier is reported only once for each function it appears in make[2] * [scripts/ /root/drivers/rtl88x2bu/os_dep/linux/ Error 1 make[1] * [Makefile1860 /root/drivers/rtl88x2bu] Error 2 make[1] Leaving directory '/usr/src/kernels/ make * [Makefile2284 modules] Error 2 F*** ！ [roothpi7 rtl88x2bu] [roothpi7 rtl88x2bu] make uninstall rm -f /lib/modules/ /sbin/depmod -a NG NG NG NG NG RTL8812AU/21AU and RTL8814AU linux driver with monitor mode and frame injection The master branch is based on branch git clone [roothpi7 drivers] cd rtl8812au/ [roothpi7 rtl8812au] ls android core docs hal include Kconfig LICENSE Makefile os_dep platform tools [roothpi7 rtl8812au] [roothpi7 rtl8812au] make all make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/ M=/root/drivers/rtl8812au modules make[1] Entering directory '/usr/src/kernels/ CC [M] /root/drivers/rtl8812au/core/ CC [M] /root/drivers/rtl8812au/core/ ...... CC [M] /root/drivers/rtl8812au/core/ LD [M] /root/drivers/rtl8812au/ MODPOST /root/drivers/rtl8812au/ CC [M] /root/drivers/rtl8812au/ LD [M] /root/drivers/rtl8812au/ BTF [M] /root/drivers/rtl8812au/ Skipping BTF generation for /root/drivers/rtl8812au/ due to unavailability of vmlinux make[1] Leaving directory '/usr/src/kernels/ - Visit for support/reporting issues or check for newer versions branches of these drivers. - [roothpi7 rtl8812au] [roothpi7 rtl8812au] make install install -p -m 644 /lib/modules/ /sbin/depmod -a [roothpi7 rtl8812au] 看起来，成功一半，还差签名 MOK（Machine Owner Key）[roothpi7 rtl8812au] modprobe 88XXau -v insmod /lib/modules/ modprobe ERROR could not insert '88XXau' Key was rejected by service 签了名，还是不认网卡。型号错了就是死局......[roothpi7 ~] [roothpi7 ~] lsusb Bus 002 Device 001 ID 1d6b0003 Linux Foundation root hub Bus 001 Device 005 ID 0bda0153 Realtek Semiconductor Corp. 3-in-1 SD/SDHC/SDXC Card Reader Bus 001 Device 009 ID 0bdac820 Realtek Semiconductor Corp. NIC [roothpi7 ~] [roothpi7 ~] usb_modeswitch -KW -v 0bda -p c820 Take all parameters from the command line * usb_modeswitch handle USB devices with multiple modes * Version C Josua Dietze 2017 * Based on libusb1/libusbx ! PLEASE REPORT NEW CONFIGURATIONS ! DefaultVendor= 0x0bda DefaultProduct= 0xc820 StandardEject=1 Look for default devices ... found USB ID 0bda0153 vendor ID matched found USB ID 0bdac820 vendor ID matched product ID matched Found devices in default mode 1 Access device 009 on bus 001 Get the current device configuration ... Current configuration number is 1 Use interface number 0 with class 224 Error can't use storage command in MessageContent with interface 0; interface class is 224, expected 8. Abort F*** [roothpi7 ~] usb_modeswitch -KW -v 0bda -p 0153 Take all parameters from the command line * usb_modeswitch handle USB devices with multiple modes * Version C Josua Dietze 2017 * Based on libusb1/libusbx ! PLEASE REPORT NEW CONFIGURATIONS ! DefaultVendor= 0x0bda DefaultProduct= 0x0153 StandardEject=1 Look for default devices ... found USB ID 0bda0153 vendor ID matched product ID matched found USB ID 0bdac820 vendor ID matched Found devices in default mode 1 Access device 005 on bus 001 Get the current device configuration ... Current configuration number is 1 Use interface number 0 with class 8 Use endpoints 0x01 out and 0x82 in USB description data for identification - Manufacturer Generic Product Serial No. 2012000 - Sending standard EJECT sequence Looking for active drivers ... OK, driver detached Set up interface 0 Use endpoint 0x01 for message sending ... Trying to send message 1 to endpoint 0x01 ... OK, message successfully sent Read the response to message 1 CSW ... Response successfully read 13 bytes, status 0 Trying to send message 2 to endpoint 0x01 ... OK, message successfully sent Read the response to message 2 CSW ... Response successfully read 13 bytes, status 0 Trying to send message 3 to endpoint 0x01 ... OK, message successfully sent Read the response to message 3 CSW ... Response successfully read 13 bytes, status 0 Trying to send message 4 to endpoint 0x01 ... OK, message successfully sent Read the response to message 4 CSW ... Response successfully read 13 bytes, status 0 Reset response endpoint 0x82 Reset message endpoint 0x01 -> Run lsusb to note any changes. Bye! ......似乎，还是，这个看起来靠点谱 rtw88-usb mac80211 kernel driver currently supported chipset's 8723du 8822bu with variants 8821cu 8822cu It's under GPL license, and please feel free to use it. Also welcome to upstream to the Linux kernel if you want, and please refer to the branch, for_kernel_upstream, which meets the Linux coding style, and may be easier to upstream. Thank to many people's kind help on this project. BIG tanks to Ji-Pin Jou and Neo Jou, for the USB parts supports at least managed client and monitor mode. This driver is based on Realtek's rtw88 in Linux main trunk. [roothpi7 drivers] git clone Cloning into 'rtw88-usb'... remote Enumerating objects 3149, done. remote Counting objects 100% 1177/1177, done. remote Compressing objects 100% 493/493, done. remote Total 3149 delta 967, reused 869 delta 684, pack-reused 1972 Receiving objects 100% 3149/3149, MiB MiB/s, done. Resolving deltas 100% 2412/2412, done. [roothpi7 drivers] [roothpi7 drivers] [roothpi7 drivers] cd rtw88-usb/ [roothpi7 rtw88-usb] ls Kconfig LICENSE fw log Makefile [roothpi7 rtw88-usb] [roothpi7 rtw88-usb] make clean rm -f .o ..d .a .ko ..cmd .mod* .order .symvers *.tmp_versions [roothpi7 rtw88-usb] [roothpi7 rtw88-usb] make all make -C /lib/modules/ M=/root/drivers/rtw88-usb make[1] Entering directory '/usr/src/kernels/ CC [M] /root/drivers/rtw88-usb/ CC [M] /root/drivers/rtw88-usb/ ...... BTF [M] /root/drivers/rtw88-usb/ Skipping BTF generation for /root/drivers/rtw88-usb/ due to unavailability of vmlinux CC [M] /root/drivers/rtw88-usb/ LD [M] /root/drivers/rtw88-usb/ BTF [M] /root/drivers/rtw88-usb/ Skipping BTF generation for /root/drivers/rtw88-usb/ due to unavailability of vmlinux CC [M] /root/drivers/rtw88-usb/ LD [M] /root/drivers/rtw88-usb/ BTF [M] /root/drivers/rtw88-usb/ Skipping BTF generation for /root/drivers/rtw88-usb/ due to unavailability of vmlinux make[1] Leaving directory '/usr/src/kernels/ [roothpi7 rtw88-usb] [roothpi7 rtw88-usb] make load echo "Unload upstream drivers" Unload upstream drivers for m in rtw88_8723de rtw88_8723d rtw88_8822be rtw88_8822b \ rtw88_8821ce rtw88_8821c rtw88_8822ce rtw88_8821c \ rtw88_pci rtw88_core; \ do rmmod "$m" 2> /dev/null; done; make *** [Makefile116 load] Error 1 [roothpi7 rtw88-usb] [roothpi7 rtw88-usb] make install WARNING ========================================== you are about to install rtw88-usb drivers Wait 5 sec or CTRL-C rtw88-usb drivers installed [roothpi7 rtw88-usb] [roothpi7 rtw88-usb] make firmware WARNING ========================================== you are about to install rtw88-usb firmware Wait 5 sec or CTRL-C rtw88-usb firmware installed [roothpi7 rtw88-usb] 好吧，签名吧[roothpi7 signed-modules] ls /usr/src/kernels/$uname -r/scripts/sign-file /usr/src/kernels/ [roothpi7 signed-modules] vi sign-rtw88-usb [roothpi7 signed-modules] [roothpi7 signed-modules] cat ./sign-rtw88-usb !/bin/bash for modfile in $dirname $modinfo -n rtw88-usb/*.ko; do echo "Signing $modfile" /usr/src/kernels/$uname -r/scripts/sign-file sha256 \ /root/signed-modules/ \ /root/signed-modules/ "$modfile" done [roothpi7 signed-modules] [roothpi7 signed-modules] ls sign-rtw88-usb [roothpi7 signed-modules] chmod +x ./sign-rtw88-usb [roothpi7 signed-modules] ls sign-rtw88-usb [roothpi7 signed-modules] [roothpi7 signed-modules] ./sign-rtw88-usb Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ Signing /lib/modules/ [roothpi7 signed-modules] [roothpi7 signed-modules] modprobe rtw88-usb [roothpi7 signed-modules] [roothpi7 signed-modules] lsmod grep 88 rtw88_usb 20480 0 rtw88_core 163840 1 rtw88_usb mac80211 1134592 3 iwlmvm,rtw88_core,rtw88_usb cfg80211 1003520 4 iwlmvm,rtw88_core,iwlwifi,mac80211 还是认不了网卡，NG 还是认不了网卡，NG （废话）为避免每次内核更新时又要手工重新编译驱动模块，看看是否要使用动态内核模块支持（DKMS 的一个重要特征是，如安装新的内核版本，它会“自动”编译所有DKMS模块）。...... Realtek RTL8821CE Driver This repository hosts the code for the Arch Linux AUR Package. It's targeting Linux > and is being developed for Arch Linux and Ubuntu No support will be provided for other Linux distributions or Linux Kernel versions outside of that range. 同样不能用，NG RTL8811CU and RTL8821CU driver The Realtek RTL8811CU-CG is a highly integrated single-chip that supports 1-stream solutions with Multi-user MIMO Multiple-Input, Multiple-Output and Wireless LAN WLAN USB interface controller. It combines a WLAN MAC, a 1T1R capable WLAN baseband, and RF in a single chip. The RTL8811CU-CG provides an outstanding solution for a high-performance integrated wireless device. USB high speed interface GHz Support GHz Support Supports concurrent mode operates as two virtual WLAN interfaces MIMO config - 1x1 MU-MIMO AC wave2 256 QAM 过程略......每次总是感觉山穷水尽的时候，就 *** 的看到曙光女神了。俺觉得答案总是藏在互联网的一个偏僻的角落，等着被发现。事后发现，这是唯一能用，还是这个好用仍旧重复上面的步骤，从 GITHUB 克隆别人的文件。BUILD，然后签名。[wenxuehpi7 ~]$ cd rtl8821cu581/ [wenxuehpi7 rtl8821cu581]$ ls [wenxuehpi7 rtl8821cu581]$ rm . -rf [wenxuehpi7 rtl8821cu581]$ ls [wenxuehpi7 rtl8821cu581]$ git clone Cloning into '8821cu'... remote Enumerating objects 1311, done. remote Counting objects 100% 187/187, done. remote Compressing objects 100% 132/132, done. remote Total 1311 delta 109, reused 119 delta 55, pack-reused 1124 Receiving objects 100% 1311/1311, MiB MiB/s, done. Resolving deltas 100% 663/663, done. [wenxuehpi7 rtl8821cu581]$ ls 8821cu [wenxuehpi7 rtl8821cu581]$ cd 8821cu/ [wenxuehpi7 8821cu]$ ls hal include Kconfig Makefile platform core LICENSE os_dep supported-device-IDs [wenxuehpi7 8821cu]$ sudo make all [sudo] password for wenxue make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/ M=/home/wenxue/rtl8821cu581/8821cu modules make[1] Entering directory '/usr/src/kernels/ CC [M] /home/wenxue/rtl8821cu581/8821cu/core/ CC [M] /home/wenxue/rtl8821cu581/8821cu/core/ ...... CC [M] /home/wenxue/rtl8821cu581/8821cu/hal/btc/ CC [M] /home/wenxue/rtl8821cu581/8821cu/hal/btc/ CC [M] /home/wenxue/rtl8821cu581/8821cu/platform/ CC [M] /home/wenxue/rtl8821cu581/8821cu/core/ LD [M] /home/wenxue/rtl8821cu581/8821cu/ MODPOST /home/wenxue/rtl8821cu581/8821cu/ CC [M] /home/wenxue/rtl8821cu581/8821cu/ LD [M] /home/wenxue/rtl8821cu581/8821cu/ BTF [M] /home/wenxue/rtl8821cu581/8821cu/ Skipping BTF generation for /home/wenxue/rtl8821cu581/8821cu/ due to unavailability of vmlinux make[1] Leaving directory '/usr/src/kernels/ [wenxuehpi7 8821cu]$ [wenxuehpi7 8821cu]$ [wenxuehpi7 8821cu]$ sudo make install install -p -m 644 /lib/modules/ /sbin/depmod -a [wenxuehpi7 8821cu]$ [wenxuehpi7 8821cu]$ modprobe 8821cu modprobe ERROR could not insert '8821cu' Operation not permitted 又 ***** 的忘记签名 [wenxuehpi7 8821cu]$ su - Password [roothpi7 ~] [roothpi7 ~] cd signed-modules/ [roothpi7 signed-modules] ls sign-rtl88-aircrk sign-rtw88-usb [roothpi7 signed-modules] [roothpi7 signed-modules] cp sign-rtw88-usb sign-8821cu [roothpi7 signed-modules] vi ./sign-8821cu [roothpi7 signed-modules] [roothpi7 signed-modules] cat ./sign-8821cu !/bin/bash for modfile in $dirname $modinfo -n 8821cu/*.ko; do echo "Signing $modfile" /usr/src/kernels/$uname -r/scripts/sign-file sha256 \ /root/signed-modules/ \ /root/signed-modules/ "$modfile" done [roothpi7 signed-modules] [roothpi7 signed-modules] ./sign-8821cu Signing /lib/modules/ Signing /lib/modules/ [roothpi7 signed-modules] [roothpi7 signed-modules] modprobe -a 8821cu [roothpi7 signed-modules] iwconfig lo no wireless extensions. enp2s0 no wireless extensions. wlp4s0 IEEE ESSID"Linksys0" ModeManaged Frequency GHz Access Point 48F8** Bit Rate= Mb/s Tx-Power=22 dBm Retry short limit7 RTS throff Fragment throff Encryption keyoff Power Managementon Link Quality=58/70 Signal level=-52 dBm Rx invalid nwid0 Rx invalid crypt0 Rx invalid frag0 Tx excessive retries0 Invalid misc150 Missed beacon0 virbr0 no wireless extensions. wlp0s20f0u3i2 unassociated Nickname"WIFIRTL8821CU" ModeManaged Frequency= GHz Access Point Not-Associated Sensitivity0/0 Retryoff RTS throff Fragment throff Encryption keyoff Power Managementoff Link Quality0 Signal level0 Noise level0 Rx invalid nwid0 Rx invalid crypt0 Rx invalid frag0 Tx excessive retries0 Invalid misc0 Missed beacon0 [roothpi7 signed-modules]确认已经安装了 sign-file[roothpi7 signed-modules] ls /usr/src/kernels/$uname -r/scripts/sign-file /usr/src/kernels/ for modfile in $dirname $modinfo -n 8821cu/*.ko; do echo "Signing $modfile" /usr/src/kernels/$uname -r/scripts/sign-file sha256 \ /root/signed-modules/ \ /root/signed-modules/ "$modfile" done参考阅读 Signing VirtualBox Kernel Modules Signing Kernel Modules for Secure Boot Dynamic Kernel Module Support Tool -Provided by Package -Used on-Purposeopenssl openssl Build system Generates public and private key pairsign-file kernel-devel Build system Perl script used to sign kernel modulesperl perl Build system Perl interpreter used to run the signing scriptmokutil mokutil Target system Optional tool used to manually enroll the public keykeyctl keyutils Target system Optional tool used to display public keys in the system key ring[roothpi7 ~] dkms status rtl88x2bu, added [roothpi7 ~] [roothpi7 ~] dkms status rtl88x2bu, added [roothpi7 ~] [roothpi7 ~] dkms remove rtl88x2bu/ -all Error! The module/version combo is not located in the DKMS tree. [roothpi7 ~] [roothpi7 ~] dkms remove rtl88x2bu/ -all - Deleting module version completely from the DKMS tree. - Done. 过程俺留着，解决问题的手段是类似或者说一样的。方便寻找其他芯片 LINUX 驱动的读者去探索。吐槽一句：REALTEK 把驱动藏着掖着，也不知道为了什么。【磨难结束了】 58 available drivers 8811CU Wireless LAN USB NIC Version Date 6 May 2022 INF file Size 13 MB 8811CU Wireless LAN USB NIC Version Date 19 April 2022 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 21 March 2022 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 3 March 2022 INF file Size 13 MB 8811CU Wireless LAN USB NIC Version Date 18 January 2022 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 29 December 2021 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 9 November 2021 INF file Size 12 MB 8811CU Wireless LAN USB NIC Version Date 29 September 2021 INF files Size 15 MB 8811CU Wireless LAN USB NIC Version Date 28 September 2021 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 3 September 2021 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 2 August 2021 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 25 June 2021 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 10 June 2021 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 10 March 2021 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 8 December 2020 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 8 December 2020 INF file Size 13 MB 8811CU Wireless LAN USB NIC Version Date 16 November 2020 INF file Size 13 MB 8811CU Wireless LAN USB NIC Version Date 20 October 2020 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 21 August 2020 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 21 July 2020 INF file Size MB 8811CU Wireless LAN USB NIC Version Date 7 July 2020 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 30 April 2020 INF files Size 16 MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 8 January 2020 INF file Size 14 MB 8811CU Wireless LAN USB NIC Version Date 2 December 2019 INF file Size 15 MB 8811CU Wireless LAN USB NIC Version Date 27 November 2019 INF file Size 13 MB 8811CU Wireless LAN USB NIC Version Date 28 August 2019 INF files Size 12 MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 30 July 2019 INF files Size 12 MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 18 July 2019 INF files Size 11 MB 8811CU Wireless LAN USB NIC Version Date 28 May 2019 INF files Size 11 MB Windows 11, 10, 8, 7, Vistax64 8811CU Wireless LAN USB NIC Version Date 22 March 2019 INF files Size 11 MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 7 March 2019 INF files Size MB Windows 11, 10, 8, 7, Vistax64 8811CU Wireless LAN USB NIC Version Date 31 January 2019 INF file Size MB 8811CU Wireless LAN USB NIC Version Date 18 January 2019 INF file Size MB 8811CU Wireless LAN USB NIC Version Date 18 January 2019 INF file Size MB 8811CU Wireless LAN USB NIC Version Date 6 November 2018 INF files Size MB Windows 11, 10, 8, 7, Vista, XPx64/x86 8811CU Wireless LAN USB NIC Version Date 29 August 2018 INF files Size 11 MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 28 August 2018 INF files Size 13 MB 8811CU Wireless LAN USB NIC Version Date 20 August 2018 INF files Size MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 25 June 2018 INF files Size MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 17 May 2018 INF file Size MB Windows 11, 10, 8, 7, Vista, XPx64 8811CU Wireless LAN USB NIC Version Date 3 May 2018 INF file Size MB 8811CU Wireless LAN USB NIC Version Date 18 April 2018 INF files Size 8 MB Windows 11, 10, 8, 7x64 8811CU Wireless LAN USB NIC Version Date 30 March 2018 INF files Size MB 8811CU Wireless LAN USB NIC Version Date 27 February 2018 INF files Size MB Windows 11, 10, 8, 7, Vistax64/x86 8811CU Wireless LAN USB NIC Version Date 12 February 2018 INF file Size 7 MB Windows 11, 10, 8, 7x64 8811CU Wireless LAN USB NIC Version Date 31 January 2018 INF files Size MB Windows 11, 10, 8, 7, Vista, XPx64/x86 8811CU Wireless LAN USB NIC Version Date 25 December 2017 INF files Size MB Windows 11, 10, 8, 7, Vistax64/x86 8811CU Wireless LAN USB NIC Version Date 29 November 2017 INF files Size MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 16 November 2017 INF files Size MB Windows 11, 10, 8, 7, Vista, XPx64/x86 8811CU Wireless LAN USB NIC Version Date 21 September 2017 INF files Size MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 11 September 2017 INF files Size MB Windows 11, 10, 8, 7, Vistax64/x86 8811CU Wireless LAN USB NIC Version Date 4 August 2017 INF files Size MB Windows 11, 10, 8, 7, Vista, XPx64/x86 8811CU Wireless LAN USB NIC Version Date 4 July 2017 INF files Size MB Windows 11, 10, 8, 7x64 8811CU Wireless LAN USB NIC Version Date 8 June 2017 INF files Size MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 3 May 2017 INF files Size MB Windows 11, 10, 8, 7x64/x86 8811CU Wireless LAN USB NIC Version Date 6 April 2017 INF files Size MB Windows 11, 10, 8, 7, Vista, XPx64/x86 8811CU Wireless LAN USB NIC Version Date 20 February 2017 INF file Size MB 8811CU Wireless LAN USB NIC Version Date 6 January 2017 INF files Size MB Windows 11, 10, 8, 7x64

realtek 8811cu wireless lan 802.11 ac usb