平台赛扬 J4125系统centOS8.5.2111内核4.18.0-348.7.1.e18_5.x86安装过程黑屏解决方法在开机进入启动菜单GRUB 界面时用方向键选择要启动的内核然后按e键编辑。找到以linux开头的那一行在行末输入一个空格后添加以下参数之一然后按Ctrl X启动系统。nomodeset最优先推荐。这个参数能禁用内核的 KMS 功能是解决因 Nouveau 开源驱动NVIDIA 卡导致的黑屏最有效的方法。nouveau.modeset0这个参数专门用于禁用 CentOS 默认自带的 Nouveau 驱动一、官方源过期需要切换镜像源# 1. 备份原有的 repo 文件 sudo mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup #需要将目录下面所有源文件都转移到backup下 sudo mkdir /etc/yum.repos.d/backup sudo mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/backup/ # 2. 创建一个新的源配置文件 sudo vi /etc/yum.repos.d/CentOS-Base.repo #配置文件内容 # CentOS-Base.repo # # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the #mirrorlist does not work for you, as a fall back you can try the # remarked out baseurl line instead. # # [base] nameCentOS-8.5.2111 - Base - mirrors.aliyun.com baseurlhttp://mirrors.aliyun.com/centos-vault/8.5.2111/BaseOS/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/BaseOS/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/BaseOS/$basearch/os/ gpgcheck0 gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official #additional packages that may be useful [extras] nameCentOS-8.5.2111 - Extras - mirrors.aliyun.com baseurlhttp://mirrors.aliyun.com/centos-vault/8.5.2111/extras/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/extras/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/extras/$basearch/os/ gpgcheck0 gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official #additional packages that extend functionality of existing packages [centosplus] nameCentOS-8.5.2111 - Plus - mirrors.aliyun.com baseurlhttp://mirrors.aliyun.com/centos-vault/8.5.2111/centosplus/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/centosplus/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/centosplus/$basearch/os/ gpgcheck0 enabled0 gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official [PowerTools] nameCentOS-8.5.2111 - PowerTools - mirrors.aliyun.com baseurlhttp://mirrors.aliyun.com/centos-vault/8.5.2111/PowerTools/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/PowerTools/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/PowerTools/$basearch/os/ gpgcheck0 enabled0 gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official [AppStream] nameCentOS-8.5.2111 - AppStream - mirrors.aliyun.com baseurlhttp://mirrors.aliyun.com/centos-vault/8.5.2111/AppStream/$basearch/os/ http://mirrors.aliyuncs.com/centos-vault/8.5.2111/AppStream/$basearch/os/ http://mirrors.cloud.aliyuncs.com/centos-vault/8.5.2111/AppStream/$basearch/os/ gpgcheck0 gpgkeyhttp://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-Official二、下载wifi模块管理工具#三款pcie wifi模块RTL 8188、RTL8821和intel 7260只有intel 7260适用当前配置 #CentOS 8 需要 EPEL 仓库来获取 NetworkManager-wifi 等必要的管理工具 sudo dnf install epel-release #安装固件和无线管理工具 sudo dnf install iwl7260-firmware NetworkManager-wifi #重启系统 reboot三、验证是否安装成功#1、查看无线网卡是否被正确识别 lspci | grep Network #2、查看网卡接口 ip link show #3、扫描附近的 Wi-Fi 信号 sudo iw dev xxx scan | grep SSID #ps--Intel 7260 网卡从 Linux 内核 3.17 支持四、测试连接# 1. 查看可用的无线网络 sudo nmcli device wifi list # 2. 连接到 Wi-Fi替换 YOUR_SSID 和 YOUR_PASSWORD sudo nmcli device wifi connect YOUR_SSID password YOUR_PASSWORD # 3. 如果上面命令失败先检查无线设备名称 nmcli device status # 看到类似 wlan0 或 wlp2s0 的设备假设叫 wlan0则 sudo nmcli device wifi connect YOUR_SSID password YOUR_PASSWORD ifname wlan0
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