diff --git a/2020/05/03/hexo-install-and-deploy/index.html b/2020/05/03/hexo-install-and-deploy/index.html index 52cc87358b769408974bf42716c9286e6f7f8a26..3329edefded9377f8de6c2920e0fa19498066e5d 100644 --- a/2020/05/03/hexo-install-and-deploy/index.html +++ b/2020/05/03/hexo-install-and-deploy/index.html @@ -18,4 +18,4 @@ localStorage.setItem('comments_active', commentClass); }); } -
\ No newline at end of file +
\ No newline at end of file diff --git a/2020/05/06/hexo-config/index.html b/2020/05/06/hexo-config/index.html index 0e9899daca565f29b0cbf8ddee28f227aff37e46..db9dccc99c2fb5bbfcd4876a7691e80a8a30e38d 100644 --- a/2020/05/06/hexo-config/index.html +++ b/2020/05/06/hexo-config/index.html @@ -18,4 +18,4 @@ localStorage.setItem('comments_active', commentClass); }); } -
\ No newline at end of file +
\ No newline at end of file diff --git a/2020/05/07/hexo-compress/index.html b/2020/05/07/hexo-compress/index.html new file mode 100644 index 0000000000000000000000000000000000000000..77c530430a31be9eb0639b8a0870a0604852052f --- /dev/null +++ b/2020/05/07/hexo-compress/index.html @@ -0,0 +1,21 @@ +使用Gulp压缩Hexo博客静态资源 | Alderaan的博客

Alderaan的博客

0%

使用Gulp压缩Hexo博客静态资源

发表于 更新于 分类于

概述

​ 由于博客使用的插件较多，文章内包含的图片越多越大，会影响到博客的加载速度，影响访问效果。其中图片对文章加载速度影响较大，如果可以的话，可以使用国内的一些图床，但如果图床挂了，也会导致图片无法访问，迁移麻烦等，所以本博客还是挂在Github上进行访问。为此开始从资源文件大小上进行优化，了解到可以使用Gulp对博客的js、css、img、html等静态资源文件进行压缩。

Gulp全局安装

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$ npm install gulp -g

​ 本博客安装的Gulp版本为4.0.2。

Gulp插件安装

​ 在blog文件夹(站点根目录)下，安装必备的插件：

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$ npm install gulp gulp-minify-css gulp-uglify gulp-htmlmin gulp-htmlclean gulp-imagemin --save

​ 安装完成后，可以在package.json下查看到具体的插件版本信息，本博客的插件版本对应信息如下：

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"dependencies": {
		"gulp": "^4.0.2",
    "gulp-htmlclean": "^2.7.22",
    "gulp-htmlmin": "^5.0.1",
    "gulp-imagemin": "^7.1.0",
    "gulp-minify-css": "^1.2.4",
    "gulp-uglify": "^3.0.2"
}

创建gulpfile.js文件

​ 在blog文件夹(站点根目录)下，新建gulpfile.js文件，并编写如下内容：

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// 引入需要的模块
var gulp = require('gulp');
var minifycss = require('gulp-minify-css');
var uglify = require('gulp-uglify');
var htmlmin = require('gulp-htmlmin');
var htmlclean = require('gulp-htmlclean');
var imagemin = require('gulp-imagemin');

// 压缩public目录下所有html文件, minify-html是任务名, 设置为default，启动gulp压缩的时候可以省去任务名
gulp.task('minify-html', function() {
    return gulp.src('./public/**/*.html') // 压缩文件所在的目录
        .pipe(htmlclean())
        .pipe(htmlmin({
            removeComments: true,
            minifyJS: true,
            minifyCSS: true,
            minifyURLs: true,
        }))
        .pipe(gulp.dest('./public')) // 输出的目录
});

// 压缩css
gulp.task('minify-css', function() {
    return gulp.src(['./public/**/*.css','!./public/js/**/*min.css'])
        .pipe(minifycss({
            compatibility: 'ie8'
        }))
        .pipe(gulp.dest('./public'));
});
// 压缩js
gulp.task('minify-js', function() {
    return gulp.src(['./public/**/.js','!./public/js/**/*min.js'])
        .pipe(uglify())
        .pipe(gulp.dest('./public'));
});
// 压缩图片
gulp.task('minify-images', function() {
    return gulp.src(['./public/**/*.png','./public/**/*.jpg','./public/**/*.gif'])
        .pipe(imagemin(
        [imagemin.gifsicle({'optimizationLevel': 3}), 
        imagemin.mozjpeg({'progressive': true}), 
        imagemin.optipng({'optimizationLevel': 5}), 
        imagemin.svgo()],
        {'verbose': true}))
        .pipe(gulp.dest('./public'))
});
// gulp 4.0 适用的方式
gulp.task('default', gulp.parallel('minify-html','minify-css','minify-js','minify-images'
));

​ 这里要注意，压缩过程中排除*min.css和*min.js这两类文件，因为这些文件其他人已经经过处理，不需要再进行压缩，否则可能无法正常使用。其他人网上的脚本使用的是imagemin.jpegtran，由于gulp-imagemin在7.0.0开始，已经被替换为 mozjpeg,具体可以在release版本说明中查看。

压缩指令

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$ hexo clean			// 可以先清除缓存文件和已生成的静态文件（特别是更换主题后需要执行此操作）
$ hexo generate		// 生成博客
$ gulp default		// 执行压缩，可简写为 gulp
$ hexo deploy			// 压缩完成无错误后，就可以发布了

​ 在执行压缩过程中，可能会遇到压缩jpg、压缩png、压缩gif时的错误，或者提示类似于imagemin-*组件无法找到的错误。此时应该注意，gulp-imagemin也有对应的相关依赖，如本博客中版本为7.1.0，有以下特定版本的依赖：

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"optionalDependencies": {
		"imagemin-gifsicle": "^7.0.0",
		"imagemin-mozjpeg": "^8.0.0",
		"imagemin-optipng": "^7.0.0",
		"imagemin-svgo": "^7.0.0"
}

​ 若对应依赖组件的版本有问题，可能会导致压缩对应格式的图片出错，为此建议当出现某个组件压缩失败时，手动安装对应特定的版本，npm安装软件包特定版本的命令格式如下：

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$ npm install imagemin-mozjpeg@8.0.0 // 在软件包后面加上@版本号

效果

​ 一次压缩过程输出内容如下：

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$ gulp
[21:55:01] Using gulpfile ~/Documents/blog/gulpfile.js
[21:55:01] Starting 'default'...
[21:55:01] Starting 'minify-html'...
[21:55:01] Starting 'minify-css'...
[21:55:01] Starting 'minify-js'...
[21:55:01] Starting 'minify-images'...
[21:55:02] Finished 'minify-js' after 1.01 s
[21:55:03] Finished 'minify-css' after 1.75 s
[21:55:03] gulp-imagemin: ✔ images/apple-touch-icon-next.png (saved 190 B - 12.3%)
[21:55:03] gulp-imagemin: ✔ images/favicon-16x16-next.png (saved 150 B - 34.5%)
[21:55:03] gulp-imagemin: ✔ images/avatar.jpg (saved 3.69 kB - 18.6%)
[21:55:03] gulp-imagemin: ✔ images/favicon-32x32-next.png (saved 152 B - 23.8%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-114433.jpg (saved 51.1 kB - 54.5%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-202546.jpg (saved 21.3 kB - 47.3%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-200236.jpg (saved 40.2 kB - 51%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-193801.jpg (saved 51 kB - 53%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-111152.jpg (saved 80.1 kB - 56.7%)
[21:55:04] gulp-imagemin: ✔ images/avatar.gif (saved 8 B - 0.4%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-203256.jpg (saved 17.2 kB - 43.5%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-205440.jpg (saved 18.5 kB - 47.4%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-200812.jpg (saved 49.4 kB - 52.7%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-202952.jpg (saved 49.6 kB - 52.5%)
[21:55:04] gulp-imagemin: Minified 14 images (saved 383 kB - 51.3%)
[21:55:04] Finished 'minify-html' after 3.13 s
[21:55:04] Finished 'minify-images' after 3.13 s
[21:55:04] Finished 'default' after 3.14 s

​ index.html在压缩前的大小为37,326字节，压缩后为33,537字节；utils.js在压缩前的大小为15,982字节，压缩后仍为 15,982字节；main.css在压缩前大小为49,538字节，压缩后为38,183字节。

​ 由本次压缩可看出，Gulp对图片的压缩效果比较明显，在html、css、js上也有一定的效果，总体上讲还是有比较好的优化。

\ No newline at end of file diff --git a/2020/05/07/ssh-to-git-github-com-connection-reset/index.html b/2020/05/07/ssh-to-git-github-com-connection-reset/index.html index 2b3fd1179214db4e6bd8efb5137aa03dec07c191..9052c56e12843a7105178e17f5ac848516cf2322 100644 --- a/2020/05/07/ssh-to-git-github-com-connection-reset/index.html +++ b/2020/05/07/ssh-to-git-github-com-connection-reset/index.html @@ -1,4 +1,4 @@ -ssh -T git@github.com Connection reset by XXX port 22 | Alderaan的博客

Alderaan的博客

0%

ssh -T git@github.com Connection reset by XXX port 22

发表于 分类于

概述

​ 今天在用Hexo发布博客文章时，遇到上传Github失败问题，主要提示为

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Connection reset by 52.74.223.119
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

问题发现

​ 由于已经在Git bash中配置过SSH免密访问，且已正常使用过也没有进行修改，所以排除SSH key配置问题。怀疑是无法连接到github.com,尝试执行ssh -T git@github.com得到如下结果：

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$ ssh -T git@github.com
Connection reset by 52.74.223.119 port 22

​ 竟然真的无法SSH连接到github.com？？？增加-v选项查看一下详细信息，反馈如下：

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$ ssh -T -v git@github.com
OpenSSH_8.0p1, OpenSSL 1.1.1c  28 May 2019
debug1: Reading configuration data /c/Users/Alder/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to github.com [52.74.223.119] port 22.
debug1: Connection established.
debug1: identity file /c/Users/Alder/.ssh/id_rsa type 0
debug1: identity file /c/Users/Alder/.ssh/id_rsa-cert type -1
debug1: identity file /c/Users/Alder/.ssh/id_dsa type -1
debug1: identity file /c/Users/Alder/.ssh/id_dsa-cert type -1
debug1: identity file /c/Users/Alder/.ssh/id_ecdsa type -1
debug1: identity file /c/Users/Alder/.ssh/id_ecdsa-cert type -1
debug1: identity file /c/Users/Alder/.ssh/id_ed25519 type -1
debug1: identity file /c/Users/Alder/.ssh/id_ed25519-cert type -1
debug1: identity file /c/Users/Alder/.ssh/id_xmss type -1
debug1: identity file /c/Users/Alder/.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_8.0
debug1: Remote protocol version 2.0, remote software version babeld-d45c1532
debug1: no match: babeld-d45c1532
debug1: Authenticating to github.com:22 as 'git'
debug1: SSH2_MSG_KEXINIT sent
Connection reset by 52.74.223.119 port 22

问题解决

​ 在Windows系统下，打开控制面板->系统和安全->Windows Defender 防火墙->高级设置，选择入站规则，点击新建规则，选择端口，在特定本地端口写入22，连续选择下一步三次，输入一个名称（随意命名规则），点击完成，然后再执行命令得到如下格式结果：

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$ ssh -T git@github.com
Hi XXX! You've successfully authenticated, but GitHub does not provide shell access.

​ 再尝试发布Hexo博客到Github就可以正常上传了…暂时不知道这其中的原理，即使将刚添加的规则删除了，再打开新的Git bash窗口也不会出现Connection reset错误了。。。

ssh -T git@github.com Connection reset by XXX port 22 | Alderaan的博客

Alderaan的博客

0%

ssh -T git@github.com Connection reset by XXX port 22

发表于 分类于

概述

​ 今天在用Hexo发布博客文章时，遇到上传Github失败问题，主要提示为

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Connection reset by 52.74.223.119
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

问题发现

​ 由于已经在Git bash中配置过SSH免密访问，且已正常使用过也没有进行修改，所以排除SSH key配置问题。怀疑是无法连接到github.com,尝试执行ssh -T git@github.com得到如下结果：

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$ ssh -T git@github.com
Connection reset by 52.74.223.119 port 22

​ 竟然真的无法SSH连接到github.com？？？增加-v选项查看一下详细信息，反馈如下：

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$ ssh -T -v git@github.com
OpenSSH_8.0p1, OpenSSL 1.1.1c  28 May 2019
debug1: Reading configuration data /c/Users/Alder/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to github.com [52.74.223.119] port 22.
debug1: Connection established.
debug1: identity file /c/Users/Alder/.ssh/id_rsa type 0
debug1: identity file /c/Users/Alder/.ssh/id_rsa-cert type -1
debug1: identity file /c/Users/Alder/.ssh/id_dsa type -1
debug1: identity file /c/Users/Alder/.ssh/id_dsa-cert type -1
debug1: identity file /c/Users/Alder/.ssh/id_ecdsa type -1
debug1: identity file /c/Users/Alder/.ssh/id_ecdsa-cert type -1
debug1: identity file /c/Users/Alder/.ssh/id_ed25519 type -1
debug1: identity file /c/Users/Alder/.ssh/id_ed25519-cert type -1
debug1: identity file /c/Users/Alder/.ssh/id_xmss type -1
debug1: identity file /c/Users/Alder/.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_8.0
debug1: Remote protocol version 2.0, remote software version babeld-d45c1532
debug1: no match: babeld-d45c1532
debug1: Authenticating to github.com:22 as 'git'
debug1: SSH2_MSG_KEXINIT sent
Connection reset by 52.74.223.119 port 22

问题解决

​ 在Windows系统下，打开控制面板->系统和安全->Windows Defender 防火墙->高级设置，选择入站规则，点击新建规则，选择端口，在特定本地端口写入22，连续选择下一步三次，输入一个名称（随意命名规则），点击完成，然后再执行命令得到如下格式结果：

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$ ssh -T git@github.com
Hi XXX! You've successfully authenticated, but GitHub does not provide shell access.

​ 再尝试发布Hexo博客到Github就可以正常上传了…暂时不知道这其中的原理，即使将刚添加的规则删除了，再打开新的Git bash窗口也不会出现Connection reset错误了。。。

© 2020 Alderaan
|
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Alderaan的博客

0%

水星USB无线网卡mw150us苹果macOS系统驱动成功

发表于 更新于 分类于

概述

​ 之前修好后的MacBook Pro (13-inch, Mid 2010)，去年开始就发现偶尔找不到自带的无线网卡，用着也还经常死机。屏蔽了无线功能后，一直只能有线上网。最近终于忍不住，要无线上网了。。。由于囊中羞涩，先找了一块MERCURY(水星)的usb无线网卡MW150US 2.0 (170107)，想在macOS Hight Sierra 10.13.5上驱动它。

基本信息

​ 由于水星这款网卡，不同时期生产的是不一样的芯片，我手头上这块是这样子的：

水星无线网卡图片

​ 在苹果系统上的硬件信息如下：

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802.11n NIC：

  产品 ID：	0x8179
  厂商 ID：	0x0bda  (Realtek Semiconductor Corp.)
  版本：	0.00
  序列号：	00E04C0001
  速度：	最大 480 Mb/秒
  制造商：	Realtek
  位置 ID：	0x24100000 / 1
  可用电流 (mA)：	500
  所需电流 (mA)：	500
  额外的操作电流 (mA)：	0

​ 在Windows系统上，驱动后显示的网卡名称包含rtl 8188eu字眼，成功得到对应芯片型号信息。

寻找驱动

​ 一开始在网上下载一些别人试过的Mac版本驱动，安装后仍无法使用，有可能是我的系统版本比较新的缘故。转而开始从芯片版本入手，查找其他也使用了这款芯片的厂家，看是否有对应的macOS驱动。后来了解到，Edimax这个厂家的EW-7811Un 这款 USB 无线网卡，采用了类似芯片，也是最高150Mbps。在Download页面上有如下的驱动列表：

VersionNoteDateFile TypeFile Size
v1.0.1.4Support OS:MAC 10.7/10.8/10.9/10.10/10.11 Languages:English2016-02-24ZIP10.30 MBimg
v1.0.0.1Support OS:Raspberry Pi2 Win10 IoT Languages:English2015-12-21ZIP1.65 MBimg
v1.0.0.5Support OS:Windows XP/Vista Languages:English2015-12-17ZIP26.81 MBimg
v1.0.0.5Support OS:MAC 10.4/10.5/10.6 Languages:English2012-12-12ZIP24.73 MBimg
1.0.1.6Support OS:Windows 7/8/8.1/10 Languages:English2019-10-21ZIP49.75 MBimg
1.0.1.8Support OS:MAC 10.13 Languages:English2018-09-17ZIP12.03 MBimg
1.0.1.9EW-7811Un_Linux_Wi-Fi_Driver_1.0.1.9 Support Kernel : 2.6.18 ~ 4.4.32018-06-13ZIP1.08 MBimg
1.0.1.5Support OS:MAC 10.12 Languages:English2016-12-20ZIP10.70 MBimg

​ 刚好有1.0.1.8这个版本可以支持macOS 10.13，直接下载解压后，有如下四个文件：

压缩包解压后文件夹图片

安装驱动

​ 双击Installer.pkg安装驱动

压缩包解压后文件夹图片

​ 选择继续

压缩包解压后文件夹图片

​ 选择继续，会弹出如下窗口

压缩包解压后文件夹图片

​ 同意软件许可协议中的条款

压缩包解压后文件夹图片

​ 点击安装开始执行安装，这个过程可能需要几分钟，耐心等待

压缩包解压后文件夹图片

​ 安装完成后会提示需要重新启动，同时在第一次运行会提示需要有额外的权限，允许即可。

完成

​ 如果安装完成，在右上侧状态栏中会出现新的图标，插上USB网卡，成功驱动后会显示周围的WiFi网络：

驱动成功周围WiFi信息截图

​ 打开Wireless Utility显示信息如下，左上角的图标和网上其他人发的那些驱动图标一模一样：

Wireless Utility显示信息截图

​ 现在就可以开心地重新享受无线上网了，其他81XX芯片型号的网卡也可以试试这个厂家的驱动，对于黑苹果用户也可以参考使用。

\ No newline at end of file diff --git a/2020/05/11/centos7-6-use-meig-4G-module-slm750/index.html b/2020/05/11/centos7-6-use-meig-4G-module-slm750/index.html new file mode 100644 index 0000000000000000000000000000000000000000..914fc1484f7965f1188e96b3bb3d849e030a325a --- /dev/null +++ b/2020/05/11/centos7-6-use-meig-4G-module-slm750/index.html @@ -0,0 +1,21 @@ +Centos 7.6 下使用美格SLM750（4G模块）拨号上网 | Alderaan的博客

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Centos 7.6 下使用美格SLM750（4G模块）拨号上网

发表于 分类于

概述

​ 想要实现4G上网有两种方式，要么加多一个4G路由器，再通过优先接入；要么通过增加4G模块（可为USB或PCIE等多种接口），直接进行拨号上网。尝试在一款J1900工控机上（该工控机自带SIM插槽），通过增加PCIE接口的美格4G模块SLM750，进行拨号上网。Windows系统下已测试过，直接安装厂家提供驱动，可以正常上网，说明硬件方面是完全支持的。本文参照厂家提供的嵌入式方案，进行驱动编译安装，并编译拨号软件，最终实现工控机4G上网功能。

准备

​ 系统为Cento 7.6 64bit，基本环境为Basic Web Server安装（理论上与安装环境模式无关，最小安装也可以）。需要下载内核源码，Centos 7.6的内核版本为3.10.0-957，源码可在此链接下载。另外还需要厂家提供的GobiNet网卡拨号的驱动及拨号工具源码，一张能4G上网的手机卡或物联网卡，接好模块天线。

编译内核源码

​ 将下载好的源码，解压到看到linux-3.10.0-957.21.3.el7.tar.xz文件，将其放到/usr/src/kernels文件夹下，并执行如下命令：

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$ tar xvf linux-3.10.0-957.21.3.el7.tar.xz // 解压内核源码文件
$ mv linux-3.10.0-957.21.3.el7 3.10.0-957.el7.x86_64 // 重命名文件夹

​ 之所以要更改文件夹名称，是因为厂家的GobiNet驱动源码，Makefile文件中：

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obj-m := GobiNet.o
GobiNet-objs := GobiUSBNet.o QMIDevice.o QMI.o

PWD := $(shell pwd)
OUTPUTDIR=/lib/modules/`uname -r`/kernel/drivers/net/usb/

#ifeq ($(ARCH),)
#EARCH := $(shell uname -m)
#endif
#ifeq ($(CROSS_COMPILE),)
#CROSS_COMPILE :=
#endif
#ifeq ($(KDIR),)
KDIR := /lib/modules/$(shell uname -r)/build # 这里通过uname -r 获取了内核名称
#endif

default:
#	ln -sf makefile Makefile
	#$(MAKE) ARCH=${ARCH} CROSS_COMPILE=${CROSS_COMPILE} -C $(KDIR) M=$(PWD) modules
	$(MAKE)  CROSS_COMPILE=${CROSS_COMPILE} -C $(KDIR) M=$(PWD) modules

install: default
	mkdir -p $(OUTPUTDIR)
	cp -f GobiNet.ko $(OUTPUTDIR)
	depmod
	modprobe -r GobiNet
	modprobe GobiNet

clean:
	# rm -rf Makefile # 这里这段代码去掉，否则执行make clean会把Makefile文件也删除了
	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions Module.* modules.order

​ 如果为其他版本的系统，将文件夹对应修改为uname -r得到的名称即可。

添加串口的ID

​ 打开内核源码文件 /3.10.0-957.el7.x86_64/drivers/usb/serial/option.c，在/* Vendor and product IDs */下增加宏定义：

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/* Vendor and product IDs */

#define MEIG_VENDOR_ID                          0x05C6 
#define MEIG_PRODUCT_730                        0xF601 
#define MEIG_VENDOR_ID_720						0x2dee 
#define MEIG_PRODUCT_720						0x4d07 
#define MEIG_PRODUCT_720_ECM					0x4d02

​ 在option_ids结构体数组增加4G模块的VID和PID：

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static const struct usb_device_id option_ids[] = {
	{ USB_DEVICE(MEIG_VENDOR_ID,MEIG_PRODUCT_730) }, 
	{ USB_DEVICE(MEIG_VENDOR_ID_720,MEIG_PRODUCT_720) }, 
	{ USB_DEVICE(MEIG_VENDOR_ID_720,MEIG_PRODUCT_720_ECM) },

删除NDIS和ADB端口

​ 使用option驱动，修改 /3.10.0-957.el7.x86_64/driver/usb/serial/option.c，在option_probe函数添加如下代码：

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static int option_probe(struct usb_serial *serial,
			const struct usb_device_id *id)
{
	struct usb_interface_descriptor *iface_desc =
				&serial->interface->cur_altsetting->desc;
	struct usb_device_descriptor *dev_desc = &serial->dev->descriptor;
	const struct option_blacklist_info *blacklist;

	/* Never bind to the CD-Rom emulation interface	*/
	if (iface_desc->bInterfaceClass == 0x08)
		return -ENODEV;

	/*
	 * Don't bind reserved interfaces (like network ones) which often have
	 * the same class/subclass/protocol as the serial interfaces.  Look at
	 * the Windows driver .INF files for reserved interface numbers.
	 */
	blacklist = (void *)id->driver_info;
	if (blacklist && test_bit(iface_desc->bInterfaceNumber,
						&blacklist->reserved))
		return -ENODEV;

	// struct usb_wwan_intf_private *data; 文档中的这个语句其实没有
	// 开始添加代码
	if (serial->dev->descriptor.idVendor == MEIG_VENDOR_ID && 
		(serial->dev->descriptor.idProduct == MEIG_PRODUCT_730)&& 
		serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) 
			return -ENODEV; 

	if (serial->dev->descriptor.idVendor == MEIG_VENDOR_ID_720&& 
		(serial->dev->descriptor.idProduct == MEIG_PRODUCT_720)&& 
		serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) 
			return -ENODEV; 
	// 完成添加代码

使用usb-serial驱动，/3.10.0-957.el7.x86_64/driver/usb/serial/usb-serial.c，在usb_serial_probe函数添加如下代码：

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    serial = create_serial (dev, interface, type); 
   if (!serial) { 
           unlock_kernel(); 
           dev_err(&interface->dev, "%s - out of memory\n", __FUNCTION__); 
           return -ENOMEM; 
   } 
//开始添加代码 厂家文档写的是宏定义，在该文件中无法找到会报错，这里直接改成了对应值
   if ( (serial->dev->descriptor.idVendor == 0x50C6 &&  
		(serial->dev->descriptor.idProduct == 0xF601) )&& 
	serial->interface->cur_altsetting->desc.bInterfaceNumber >=4 ) 
		return -ENOMEM; 

if (serial->dev->descriptor.idVendor == 0x2dee && 
	(serial->dev->descriptor.idProduct == 0x4d07)&& 
	serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) 
		return -ENODEV; 
//完成添加代码
### 配置编译参数
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$ cd /usr/src/kernels/3.10.0-957.el7.x86_64  # 切换到内核源码所在路径
$ cp /boot/config-3.10.0-957.el7.x86_64 ./.config # 拷贝当前内核的编译配置
$ make oldconfig # 在已有内核基础上进行配置
$ yum install gcc gdb make elfutils-libelf-devel

​ 需要说明的是，Centos 6.7默认就开启了device drivers->usb support->usb serial converter support->USB driver for GSM and CDMA modems和device drivers->Network device support->usb Network Adapters->Multi-purpose USB Networking Framework这两个组件，所以拷贝原有内核的编译配置即可使用。

开始编译

​ 执行如下命令开始编译源码，对应的线程数字按照实际机器进行配置，这个过程会比较慢。

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$ make -j 8

​ 如果有其他错误提示，则安装对应的软件包依赖即可，这里编译后不进行安装，因为内核是一样的，编译内核只是为了编译驱动时能找到一些依赖。

编译NDIS驱动

​ 这里采用的是单独编译的方式，所以上一个步骤没有和内核一块打包编译，主要是为了在不动原来内核的情况下使用，以防上面的其他软件运行受影响。

​ 到驱动目录下，执行如下命令：

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$ make # 编译驱动
$ make install # 安装驱动

​ 正常编译安装的话，不会有其他的警告或者错误，驱动成功后，可以看到新的网卡。一般是ethX这种格式，但还没有IP地址，需要使用拨号软件。

编译Gobinet拨号工具

​ 在厂家提供的源码中，由于是嵌入式的方案，默认获取IP地址的是busybox中的udhcpc命令，在udhcpc.c文件中，可以注释掉这样代码，以及这行代码上面两行的寻找默认配置文件的语句。本文管理网卡的工具是NetworkManager，Gobinet拨号后，会自动检测网卡状态，进行获取IP地址操作。其它系统根据实际需要，进行修改。本文做出的修改如下：

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if (profile->ipv4.Address) {
#ifdef USE_DHCLIENT
            snprintf(udhcpc_cmd, sizeof(udhcpc_cmd), "dhclient -4 -d --no-pid %s", ifname);
            dhclient_alive++;
#else
    		// 注释掉获取默认配置文件
            //if (access("/usr/share/udhcpc/default.script", X_OK)) {
            //    dbg_time("Fail to access /usr/share/udhcpc/default.script, errno: %d (%s)", errno, strerror(errno));
            //}

            //-f,--foreground    Run in foreground
            //-b,--background    Background if lease is not obtained
            //-n,--now        Exit if lease is not obtained
            //-q,--quit        Exit after obtaining lease
            //-t,--retries N        Send up to N discover packets (default 3)
    		// 注释定义的获取IP命令
            //snprintf(udhcpc_cmd, sizeof(udhcpc_cmd), "busybox udhcpc -f -n -q -t 5 -i %s", ifname);
#endif
			// 注释掉命令线程
            //pthread_create(&udhcpc_thread_id, &udhcpc_thread_attr, udhcpc_thread_function, (void*)strdup(udhcpc_cmd));
            sleep(1);
        }

​ 执行如下命令编译拨号工具

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$ make # 编译
$ ./MeiG-CM & # 后台执行拨号工具

​ 如果拨号成功，可以看到对应的网卡会获取到IP地址，并可以正常上网。

服务化拨号工具

​ 可以使用systemctl管理拨号工具，新建一个文件MeiG-CM.service，并写入如下内容：

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[Unit]
Description=quectel-CM Service
After=network.target

[Service]
Type=simple
User=root
Restart=always
RestartSec=5s
ExecStart=/home/MeiG-CM/MeiG-CM # 这里更改为对应的可执行文件所在路径

[Install]
WantedBy=multi-user.target

​ 执行以下命令可配置服务并设置开机自启动：

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$ cp MeiG-CM.service /usr/lib/systemd/system/ # 拷贝服务文件到系统目录
$ systemctl daemon-reload # 重新检测加载服务，使其被系统识别到
$ systemctl start MeiG-CM.service # 手动启动服务
$ systemctl enable MeiG-CM.service # 配置开机自启动

​ 至此，在Centos 7.6上就可以自动配置MeiG SLM50 4G模块上网。如果卡被停用后·再启用，也不需要重新启动机器，会自动重新拨号。

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​ 想要实现4G上网有两种方式，要么加多一个4G路由器，再通过优先接入；要么通过增加4G模块（可为USB或PCIE等多种接口），直接进行拨号上网。尝试在一款J1900工控机上（该工控机自带SIM插槽），通过增加PCIE接口的美格4G模块SLM750，进行拨号上网。Windows系统下已测试过，直接安装厂家提供驱动，可以正常上网，说明硬件方面是完全支持的。本文参照厂家提供的嵌入式方案，进行驱动编译安装，并编译拨号软件，最终实现工控机4G上网功能。

准备

​ 系统为Cento 7.6 64bit，基本环境为Basic Web Server安装（理论上与安装环境模式无关，最小安装也可以）。需要下载内核源码，Centos 7.6的内核版本为3.10.0-957，源码可在此链接下载。另外还需要厂家提供的GobiNet网卡拨号的驱动及拨号工具源码，一张能4G上网的手机卡或物联网卡，接好模块天线。

编译内核源码

​ 将下载好的源码，解压到看到linux-3.10.0-957.21.3.el7.tar.xz文件，将其放到/usr/src/kernels文件夹下，并执行如下命令：

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$ tar xvf linux-3.10.0-957.21.3.el7.tar.xz // 解压内核源码文件
$ mv linux-3.10.0-957.21.3.el7 3.10.0-957.el7.x86_64 // 重命名文件夹

​ 之所以要更改文件夹名称，是因为厂家的GobiNet驱动源码，Makefile文件中：

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obj-m := GobiNet.o
GobiNet-objs := GobiUSBNet.o QMIDevice.o QMI.o

PWD := $(shell pwd)
OUTPUTDIR=/lib/modules/`uname -r`/kernel/drivers/net/usb/

#ifeq ($(ARCH),)
#EARCH := $(shell uname -m)
#endif
#ifeq ($(CROSS_COMPILE),)
#CROSS_COMPILE :=
#endif
#ifeq ($(KDIR),)
KDIR := /lib/modules/$(shell uname -r)/build # 这里通过uname -r 获取了内核名称
#endif

default:
#ln -sf makefile Makefile
#$(MAKE) ARCH=${ARCH} CROSS_COMPILE=${CROSS_COMPILE} -C $(KDIR) M=$(PWD) modules
$(MAKE)  CROSS_COMPILE=${CROSS_COMPILE} -C $(KDIR) M=$(PWD) modules

install: default
mkdir -p $(OUTPUTDIR)
cp -f GobiNet.ko $(OUTPUTDIR)
depmod
modprobe -r GobiNet
modprobe GobiNet

clean:
# rm -rf Makefile # 这里这段代码去掉，否则执行make clean会把Makefile文件也删除了
rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions Module.* modules.order

​ 如果为其他版本的系统，将文件夹对应修改为uname -r得到的名称即可。

添加串口的ID

​ 打开内核源码文件 /3.10.0-957.el7.x86_64/drivers/usb/serial/option.c，在/* Vendor and product IDs */下增加宏定义：

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/* Vendor and product IDs */

#define MEIG_VENDOR_ID                          0x05C6 
#define MEIG_PRODUCT_730                        0xF601 
#define MEIG_VENDOR_ID_7200x2dee 
#define MEIG_PRODUCT_7200x4d07 
#define MEIG_PRODUCT_720_ECM0x4d02

​ 在option_ids结构体数组增加4G模块的VID和PID：

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static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(MEIG_VENDOR_ID,MEIG_PRODUCT_730) }, 
{ USB_DEVICE(MEIG_VENDOR_ID_720,MEIG_PRODUCT_720) }, 
{ USB_DEVICE(MEIG_VENDOR_ID_720,MEIG_PRODUCT_720_ECM) },

删除NDIS和ADB端口

​ 使用option驱动，修改 /3.10.0-957.el7.x86_64/driver/usb/serial/option.c，在option_probe函数添加如下代码：

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static int option_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
struct usb_interface_descriptor *iface_desc =
&serial->interface->cur_altsetting->desc;
struct usb_device_descriptor *dev_desc = &serial->dev->descriptor;
const struct option_blacklist_info *blacklist;

/* Never bind to the CD-Rom emulation interface*/
if (iface_desc->bInterfaceClass == 0x08)
return -ENODEV;

/*
 * Don't bind reserved interfaces (like network ones) which often have
 * the same class/subclass/protocol as the serial interfaces.  Look at
 * the Windows driver .INF files for reserved interface numbers.
 */
blacklist = (void *)id->driver_info;
if (blacklist && test_bit(iface_desc->bInterfaceNumber,
&blacklist->reserved))
return -ENODEV;

// struct usb_wwan_intf_private *data; 文档中的这个语句其实没有
// 开始添加代码
if (serial->dev->descriptor.idVendor == MEIG_VENDOR_ID && 
(serial->dev->descriptor.idProduct == MEIG_PRODUCT_730)&& 
serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) 
return -ENODEV; 

if (serial->dev->descriptor.idVendor == MEIG_VENDOR_ID_720&& 
(serial->dev->descriptor.idProduct == MEIG_PRODUCT_720)&& 
serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) 
return -ENODEV; 
// 完成添加代码

使用usb-serial驱动，/3.10.0-957.el7.x86_64/driver/usb/serial/usb-serial.c，在usb_serial_probe函数添加如下代码：

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    serial = create_serial (dev, interface, type); 
   if (!serial) { 
           unlock_kernel(); 
           dev_err(&interface->dev, "%s - out of memory\n", __FUNCTION__); 
           return -ENOMEM; 
   } 
//开始添加代码 厂家文档写的是宏定义，在该文件中无法找到会报错，这里直接改成了对应值
   if ( (serial->dev->descriptor.idVendor == 0x50C6 &&  
(serial->dev->descriptor.idProduct == 0xF601) )&& 
serial->interface->cur_altsetting->desc.bInterfaceNumber >=4 ) 
return -ENOMEM; 

if (serial->dev->descriptor.idVendor == 0x2dee && 
(serial->dev->descriptor.idProduct == 0x4d07)&& 
serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) 
return -ENODEV; 
//完成添加代码
### 配置编译参数
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$ cd /usr/src/kernels/3.10.0-957.el7.x86_64  # 切换到内核源码所在路径
$ cp /boot/config-3.10.0-957.el7.x86_64 ./.config # 拷贝当前内核的编译配置
$ make oldconfig # 在已有内核基础上进行配置
$ yum install gcc gdb make elfutils-libelf-devel

​ 需要说明的是，Centos 6.7默认就开启了device drivers->usb support->usb serial converter support->USB driver for GSM and CDMA modems和device drivers->Network device support->usb Network Adapters->Multi-purpose USB Networking Framework这两个组件，所以拷贝原有内核的编译配置即可使用。

开始编译

​ 执行如下命令开始编译源码，对应的线程数字按照实际机器进行配置，这个过程会比较慢。

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$ make -j 8

​ 如果有其他错误提示，则安装对应的软件包依赖即可，这里编译后不进行安装，因为内核是一样的，编译内核只是为了编译驱动时能找到一些依赖。

编译NDIS驱动

​ 这里采用的是单独编译的方式，所以上一个步骤没有和内核一块打包编译，主要是为了在不动原来内核的情况下使用，以防上面的其他软件运行受影响。

​ 到驱动目录下，执行如下命令：

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$ make # 编译驱动
$ make install # 安装驱动

​ 正常编译安装的话，不会有其他的警告或者错误，驱动成功后，可以看到新的网卡。一般是ethX这种格式，但还没有IP地址，需要使用拨号软件。

编译Gobinet拨号工具

​ 在厂家提供的源码中，由于是嵌入式的方案，默认获取IP地址的是busybox中的udhcpc命令，在udhcpc.c文件中，可以注释掉这样代码，以及这行代码上面两行的寻找默认配置文件的语句。本文管理网卡的工具是NetworkManager，Gobinet拨号后，会自动检测网卡状态，进行获取IP地址操作。其它系统根据实际需要，进行修改。本文做出的修改如下：

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if (profile->ipv4.Address) {
#ifdef USE_DHCLIENT
            snprintf(udhcpc_cmd, sizeof(udhcpc_cmd), "dhclient -4 -d --no-pid %s", ifname);
            dhclient_alive++;
#else
    // 注释掉获取默认配置文件
            //if (access("/usr/share/udhcpc/default.script", X_OK)) {
            //    dbg_time("Fail to access /usr/share/udhcpc/default.script, errno: %d (%s)", errno, strerror(errno));
            //}

            //-f,--foreground    Run in foreground
            //-b,--background    Background if lease is not obtained
            //-n,--now        Exit if lease is not obtained
            //-q,--quit        Exit after obtaining lease
            //-t,--retries N        Send up to N discover packets (default 3)
    // 注释定义的获取IP命令
            //snprintf(udhcpc_cmd, sizeof(udhcpc_cmd), "busybox udhcpc -f -n -q -t 5 -i %s", ifname);
#endif
// 注释掉命令线程
            //pthread_create(&udhcpc_thread_id, &udhcpc_thread_attr, udhcpc_thread_function, (void*)strdup(udhcpc_cmd));
            sleep(1);
        }

​ 执行如下命令编译拨号工具

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$ make # 编译
$ ./MeiG-CM & # 后台执行拨号工具

​ 如果拨号成功，可以看到对应的网卡会获取到IP地址，并可以正常上网。

服务化拨号工具

​ 可以使用systemctl管理拨号工具，新建一个文件MeiG-CM.service，并写入如下内容：

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[Unit]
Description=quectel-CM Service
After=network.target

[Service]
Type=simple
User=root
Restart=always
RestartSec=5s
ExecStart=/home/MeiG-CM/MeiG-CM # 这里更改为对应的可执行文件所在路径

[Install]
WantedBy=multi-user.target

​ 执行以下命令可配置服务并设置开机自启动：

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$ cp MeiG-CM.service /usr/lib/systemd/system/ # 拷贝服务文件到系统目录
$ systemctl daemon-reload # 重新检测加载服务，使其被系统识别到
$ systemctl start MeiG-CM.service # 手动启动服务
$ systemctl enable MeiG-CM.service # 配置开机自启动

​ 至此，在Centos 7.6上就可以自动配置MeiG SLM50 4G模块上网。如果卡被停用后·再启用，也不需要重新启动机器，会自动重新拨号。

]]> + + + + <h2 id="概述"><a href="#概述" class="headerlink" title="概述"></a>概述</h2><p>​ 想要实现4G上网有两种方式，要么加多一个4G路由器，再通过优先接入；要么通过增加4G模块（可为USB或PCIE等多种接口），直接进行拨号上网。尝试在一款J1900工控机上（该工控机自带SIM插槽），通过增加PCIE接口的美格4G模块<code>SLM750</code>，进行拨号上网。Windows系统下已测试过，直接安装厂家提供驱动，可以正常上网，说明硬件方面是完全支持的。本文参照厂家提供的嵌入式方案，进行驱动编译安装，并编译拨号软件，最终实现工控机4G上网功能。</p> + + + + + + + + + + + + + + + + + 水星USB无线网卡mw150us苹果macOS系统驱动成功 + + https://alderaan.xyz/2020/05/10/mw150us-2-0-mac-driver/ + 2020-05-10T07:04:06.000Z + 2020-05-11T06:20:15.584Z + + 概述

​ 之前修好后的MacBook Pro (13-inch, Mid 2010)，去年开始就发现偶尔找不到自带的无线网卡，用着也还经常死机。屏蔽了无线功能后，一直只能有线上网。最近终于忍不住，要无线上网了。。。由于囊中羞涩，先找了一块MERCURY(水星)的usb无线网卡MW150US 2.0 (170107)，想在macOS Hight Sierra 10.13.5上驱动它。

基本信息

​ 由于水星这款网卡，不同时期生产的是不一样的芯片，我手头上这块是这样子的：

水星无线网卡图片

​ 在苹果系统上的硬件信息如下：

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802.11n NIC：

  产品 ID：0x8179
  厂商 ID：0x0bda  (Realtek Semiconductor Corp.)
  版本：0.00
  序列号：00E04C0001
  速度：最大 480 Mb/秒
  制造商：Realtek
  位置 ID：0x24100000 / 1
  可用电流 (mA)：500
  所需电流 (mA)：500
  额外的操作电流 (mA)：0

​ 在Windows系统上，驱动后显示的网卡名称包含rtl 8188eu字眼，成功得到对应芯片型号信息。

寻找驱动

​ 一开始在网上下载一些别人试过的Mac版本驱动，安装后仍无法使用，有可能是我的系统版本比较新的缘故。转而开始从芯片版本入手，查找其他也使用了这款芯片的厂家，看是否有对应的macOS驱动。后来了解到，Edimax这个厂家的EW-7811Un 这款 USB 无线网卡，采用了类似芯片，也是最高150Mbps。在Download页面上有如下的驱动列表：

VersionNoteDateFile TypeFile Size
v1.0.1.4Support OS:MAC 10.7/10.8/10.9/10.10/10.11 Languages:English2016-02-24ZIP10.30 MBimg
v1.0.0.1Support OS:Raspberry Pi2 Win10 IoT Languages:English2015-12-21ZIP1.65 MBimg
v1.0.0.5Support OS:Windows XP/Vista Languages:English2015-12-17ZIP26.81 MBimg
v1.0.0.5Support OS:MAC 10.4/10.5/10.6 Languages:English2012-12-12ZIP24.73 MBimg
1.0.1.6Support OS:Windows 7/8/8.1/10 Languages:English2019-10-21ZIP49.75 MBimg
1.0.1.8Support OS:MAC 10.13 Languages:English2018-09-17ZIP12.03 MBimg
1.0.1.9EW-7811Un_Linux_Wi-Fi_Driver_1.0.1.9 Support Kernel : 2.6.18 ~ 4.4.32018-06-13ZIP1.08 MBimg
1.0.1.5Support OS:MAC 10.12 Languages:English2016-12-20ZIP10.70 MBimg

​ 刚好有1.0.1.8这个版本可以支持macOS 10.13，直接下载解压后，有如下四个文件：

压缩包解压后文件夹图片

安装驱动

​ 双击Installer.pkg安装驱动

压缩包解压后文件夹图片

​ 选择继续

压缩包解压后文件夹图片

​ 选择继续，会弹出如下窗口

压缩包解压后文件夹图片

​ 同意软件许可协议中的条款

压缩包解压后文件夹图片

​ 点击安装开始执行安装，这个过程可能需要几分钟，耐心等待

压缩包解压后文件夹图片

​ 安装完成后会提示需要重新启动，同时在第一次运行会提示需要有额外的权限，允许即可。

完成

​ 如果安装完成，在右上侧状态栏中会出现新的图标，插上USB网卡，成功驱动后会显示周围的WiFi网络：

驱动成功周围WiFi信息截图

​ 打开Wireless Utility显示信息如下，左上角的图标和网上其他人发的那些驱动图标一模一样：

Wireless Utility显示信息截图

​ 现在就可以开心地重新享受无线上网了，其他81XX芯片型号的网卡也可以试试这个厂家的驱动，对于黑苹果用户也可以参考使用。

]]> + + + + <h2 id="概述"><a href="#概述" class="headerlink" title="概述"></a>概述</h2><p>​ 之前修好后的<strong>MacBook Pro (13-inch, Mid 2010)</strong>，去年开始就发现偶尔找不到自带的无线网卡，用着也还经常死机。屏蔽了无线功能后，一直只能有线上网。最近终于忍不住，要无线上网了。。。由于囊中羞涩，先找了一块<strong>MERCURY(水星)</strong>的usb无线网卡MW150US 2.0 (170107)，想在<strong>macOS</strong> Hight Sierra 10.13.5上驱动它。</p> + + + + + + + + + + + + + + + + + 使用Gulp压缩Hexo博客静态资源 + + https://alderaan.xyz/2020/05/07/hexo-compress/ + 2020-05-07T13:06:42.000Z + 2020-05-11T06:20:15.584Z + + 概述

​ 由于博客使用的插件较多，文章内包含的图片越多越大，会影响到博客的加载速度，影响访问效果。其中图片对文章加载速度影响较大，如果可以的话，可以使用国内的一些图床，但如果图床挂了，也会导致图片无法访问，迁移麻烦等，所以本博客还是挂在Github上进行访问。为此开始从资源文件大小上进行优化，了解到可以使用Gulp对博客的js、css、img、html等静态资源文件进行压缩。

Gulp全局安装

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$ npm install gulp -g

​ 本博客安装的Gulp版本为4.0.2。

Gulp插件安装

​ 在blog文件夹(站点根目录)下，安装必备的插件：

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$ npm install gulp gulp-minify-css gulp-uglify gulp-htmlmin gulp-htmlclean gulp-imagemin --save

​ 安装完成后，可以在package.json下查看到具体的插件版本信息，本博客的插件版本对应信息如下：

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"dependencies": {
"gulp": "^4.0.2",
    "gulp-htmlclean": "^2.7.22",
    "gulp-htmlmin": "^5.0.1",
    "gulp-imagemin": "^7.1.0",
    "gulp-minify-css": "^1.2.4",
    "gulp-uglify": "^3.0.2"
}

创建gulpfile.js文件

​ 在blog文件夹(站点根目录)下，新建gulpfile.js文件，并编写如下内容：

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// 引入需要的模块
var gulp = require('gulp');
var minifycss = require('gulp-minify-css');
var uglify = require('gulp-uglify');
var htmlmin = require('gulp-htmlmin');
var htmlclean = require('gulp-htmlclean');
var imagemin = require('gulp-imagemin');

// 压缩public目录下所有html文件, minify-html是任务名, 设置为default，启动gulp压缩的时候可以省去任务名
gulp.task('minify-html', function() {
    return gulp.src('./public/**/*.html') // 压缩文件所在的目录
        .pipe(htmlclean())
        .pipe(htmlmin({
            removeComments: true,
            minifyJS: true,
            minifyCSS: true,
            minifyURLs: true,
        }))
        .pipe(gulp.dest('./public')) // 输出的目录
});

// 压缩css
gulp.task('minify-css', function() {
    return gulp.src(['./public/**/*.css','!./public/js/**/*min.css'])
        .pipe(minifycss({
            compatibility: 'ie8'
        }))
        .pipe(gulp.dest('./public'));
});
// 压缩js
gulp.task('minify-js', function() {
    return gulp.src(['./public/**/.js','!./public/js/**/*min.js'])
        .pipe(uglify())
        .pipe(gulp.dest('./public'));
});
// 压缩图片
gulp.task('minify-images', function() {
    return gulp.src(['./public/**/*.png','./public/**/*.jpg','./public/**/*.gif'])
        .pipe(imagemin(
        [imagemin.gifsicle({'optimizationLevel': 3}), 
        imagemin.mozjpeg({'progressive': true}), 
        imagemin.optipng({'optimizationLevel': 5}), 
        imagemin.svgo()],
        {'verbose': true}))
        .pipe(gulp.dest('./public'))
});
// gulp 4.0 适用的方式
gulp.task('default', gulp.parallel('minify-html','minify-css','minify-js','minify-images'
));

​ 这里要注意，压缩过程中排除*min.css和*min.js这两类文件，因为这些文件其他人已经经过处理，不需要再进行压缩，否则可能无法正常使用。其他人网上的脚本使用的是imagemin.jpegtran，由于gulp-imagemin在7.0.0开始，已经被替换为 mozjpeg,具体可以在release版本说明中查看。

压缩指令

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$ hexo clean// 可以先清除缓存文件和已生成的静态文件（特别是更换主题后需要执行此操作）
$ hexo generate// 生成博客
$ gulp default// 执行压缩，可简写为 gulp
$ hexo deploy// 压缩完成无错误后，就可以发布了

​ 在执行压缩过程中，可能会遇到压缩jpg、压缩png、压缩gif时的错误，或者提示类似于imagemin-*组件无法找到的错误。此时应该注意，gulp-imagemin也有对应的相关依赖，如本博客中版本为7.1.0，有以下特定版本的依赖：

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"optionalDependencies": {
"imagemin-gifsicle": "^7.0.0",
"imagemin-mozjpeg": "^8.0.0",
"imagemin-optipng": "^7.0.0",
"imagemin-svgo": "^7.0.0"
}

​ 若对应依赖组件的版本有问题，可能会导致压缩对应格式的图片出错，为此建议当出现某个组件压缩失败时，手动安装对应特定的版本，npm安装软件包特定版本的命令格式如下：

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$ npm install imagemin-mozjpeg@8.0.0 // 在软件包后面加上@版本号

效果

​ 一次压缩过程输出内容如下：

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$ gulp
[21:55:01] Using gulpfile ~/Documents/blog/gulpfile.js
[21:55:01] Starting 'default'...
[21:55:01] Starting 'minify-html'...
[21:55:01] Starting 'minify-css'...
[21:55:01] Starting 'minify-js'...
[21:55:01] Starting 'minify-images'...
[21:55:02] Finished 'minify-js' after 1.01 s
[21:55:03] Finished 'minify-css' after 1.75 s
[21:55:03] gulp-imagemin: ✔ images/apple-touch-icon-next.png (saved 190 B - 12.3%)
[21:55:03] gulp-imagemin: ✔ images/favicon-16x16-next.png (saved 150 B - 34.5%)
[21:55:03] gulp-imagemin: ✔ images/avatar.jpg (saved 3.69 kB - 18.6%)
[21:55:03] gulp-imagemin: ✔ images/favicon-32x32-next.png (saved 152 B - 23.8%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-114433.jpg (saved 51.1 kB - 54.5%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-202546.jpg (saved 21.3 kB - 47.3%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-200236.jpg (saved 40.2 kB - 51%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-193801.jpg (saved 51 kB - 53%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-111152.jpg (saved 80.1 kB - 56.7%)
[21:55:04] gulp-imagemin: ✔ images/avatar.gif (saved 8 B - 0.4%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-203256.jpg (saved 17.2 kB - 43.5%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-205440.jpg (saved 18.5 kB - 47.4%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-200812.jpg (saved 49.4 kB - 52.7%)
[21:55:04] gulp-imagemin: ✔ 2020/05/03/hexo-install-and-deploy/20200503-202952.jpg (saved 49.6 kB - 52.5%)
[21:55:04] gulp-imagemin: Minified 14 images (saved 383 kB - 51.3%)
[21:55:04] Finished 'minify-html' after 3.13 s
[21:55:04] Finished 'minify-images' after 3.13 s
[21:55:04] Finished 'default' after 3.14 s

​ index.html在压缩前的大小为37,326字节，压缩后为33,537字节；utils.js在压缩前的大小为15,982字节，压缩后仍为 15,982字节；main.css在压缩前大小为49,538字节，压缩后为38,183字节。

​ 由本次压缩可看出，Gulp对图片的压缩效果比较明显，在html、css、js上也有一定的效果，总体上讲还是有比较好的优化。

]]> + + + + <h2 id="概述"><a href="#概述" class="headerlink" title="概述"></a>概述</h2><p>​ 由于博客使用的插件较多，文章内包含的图片越多越大，会影响到博客的加载速度，影响访问效果。其中图片对文章加载速度影响较大，如果可以的话，可以使用国内的一些图床，但如果图床挂了，也会导致图片无法访问，迁移麻烦等，所以本博客还是挂在Github上进行访问。为此开始从资源文件大小上进行优化，了解到可以使用<strong>Gulp</strong>对博客的js、css、img、html等静态资源文件进行压缩。</p> + + + + + + + + + + + + + ssh -T git@github.com Connection reset by XXX port 22 diff --git a/categories/Github/index.html b/categories/Github/index.html index bc61c00ab0df0912c32abe053ad474a6810fb751..0b31fa237ea698f0bac2d0e678b4eeadecc9f173 100644 --- a/categories/Github/index.html +++ b/categories/Github/index.html @@ -18,4 +18,4 @@ localStorage.setItem('comments_active', commentClass); }); } -
© 2020 Alderaan
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© 2020 Alderaan
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\ No newline at end of file diff --git a/categories/Hexo/index.html b/categories/Hexo/index.html index 7dbd61975447f996529be5394bdfe85ae0d39563..b955b71c647ca8e08d2a00411974d98e932ec70d 100644 --- a/categories/Hexo/index.html +++ b/categories/Hexo/index.html @@ -1,4 +1,4 @@ -分类: Hexo | Alderaan的博客

Alderaan的博客

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Hexo 分类

2020
分类: Hexo | Alderaan的博客

Alderaan的博客

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Hexo 分类

2020
© 2020 Alderaan
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© 2020 Alderaan
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\ No newline at end of file diff --git a/categories/MacOS/index.html b/categories/MacOS/index.html new file mode 100644 index 0000000000000000000000000000000000000000..6fb707d0df44c38f1befc1ee075a195e92d727e9 --- /dev/null +++ b/categories/MacOS/index.html @@ -0,0 +1,21 @@ +分类: MacOS | Alderaan的博客

Alderaan的博客

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MacOS 分类

2020
© 2020 Alderaan
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\ No newline at end of file diff --git a/categories/centos/index.html b/categories/centos/index.html new file mode 100644 index 0000000000000000000000000000000000000000..ecb710ebbcb221ab47626b5189dbd24191fbacde --- /dev/null +++ b/categories/centos/index.html @@ -0,0 +1,21 @@ +分类: centos | Alderaan的博客

Alderaan的博客

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centos 分类

2020
© 2020 Alderaan
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\ No newline at end of file diff --git a/categories/index.html b/categories/index.html index 82c4c2e5fe1fc8d839f6f530874652266d738ffe..ff47d1dfd35a04d640ef2ce3756a6ceaaee7e036 100644 --- a/categories/index.html +++ b/categories/index.html @@ -1,4 +1,4 @@ -分类 | Alderaan的博客

Alderaan的博客

0%

分类

目前共计 2 个分类
分类 | Alderaan的博客

Alderaan的博客

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分类

目前共计 4 个分类
© 2020 Alderaan
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© 2020 Alderaan
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\ No newline at end of file diff --git a/css/main.css b/css/main.css index 47767d088d8ab8e69597566d9d398173afb07c97..503e78cccfc9cb8c66e7b066085c5743795348ec 100644 --- a/css/main.css +++ b/css/main.css @@ -1 +1 @@ -code,h5,kbd,pre,samp{font-size:1em}button,hr,input{overflow:visible}progress,sub,sup{vertical-align:baseline}.table-container,pre,textarea{overflow:auto}p,table{margin:0 0 20px}:root{--body-bg-color:#eee;--content-bg-color:#fff;--card-bg-color:#f5f5f5;--text-color:#555;--blockquote-color:#666;--link-color:#555;--link-hover-color:#222;--brand-color:#fff;--brand-hover-color:#fff;--table-row-odd-bg-color:#f9f9f9;--table-row-hover-bg-color:#f5f5f5;--menu-item-bg-color:#f5f5f5;--btn-default-bg:#fff;--btn-default-color:#555;--btn-default-border-color:#555;--btn-default-hover-bg:#222;--btn-default-hover-color:#fff;--btn-default-hover-border-color:#222}html{line-height:1.15;-webkit-text-size-adjust:100%}details,main{display:block}hr{box-sizing:content-box}a{background:0 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​ 本文主要说明在Hexo博客nexT主题下如何进行美化，具体对应效果可通过本博客页面进行查看。

  • Hexo version： 4.2.0
  • nexT version：7.8.0
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​ 近来发现，之前学习过、实践过的东西，要用的时候经常一时想不起来。习惯性添加进谷歌浏览器的书签，也会因为对方博客文章删除等无法继续看到。特别的是，部署一个东西需要看几个网上资源才可以完成，书签列表越来越长，难以维护。为此，觉得还是很有必要通过写博客的方式进行分类记录，也方便分享经验。本着能折腾就不闲着的宗旨，在网上查阅有关资料后，决定在GitHub上搭建Hexo个人博客，顺便学习使用Markdown。

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​ 想要实现4G上网有两种方式，要么加多一个4G路由器，再通过优先接入；要么通过增加4G模块（可为USB或PCIE等多种接口），直接进行拨号上网。尝试在一款J1900工控机上（该工控机自带SIM插槽），通过增加PCIE接口的美格4G模块SLM750，进行拨号上网。Windows系统下已测试过，直接安装厂家提供驱动，可以正常上网，说明硬件方面是完全支持的。本文参照厂家提供的嵌入式方案，进行驱动编译安装，并编译拨号软件，最终实现工控机4G上网功能。

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​ 之前修好后的MacBook Pro (13-inch, Mid 2010)，去年开始就发现偶尔找不到自带的无线网卡，用着也还经常死机。屏蔽了无线功能后，一直只能有线上网。最近终于忍不住，要无线上网了。。。由于囊中羞涩，先找了一块MERCURY(水星)的usb无线网卡MW150US 2.0 (170107)，想在macOS Hight Sierra 10.13.5上驱动它。

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​ 由于博客使用的插件较多，文章内包含的图片越多越大，会影响到博客的加载速度，影响访问效果。其中图片对文章加载速度影响较大，如果可以的话，可以使用国内的一些图床，但如果图床挂了，也会导致图片无法访问，迁移麻烦等，所以本博客还是挂在Github上进行访问。为此开始从资源文件大小上进行优化，了解到可以使用Gulp对博客的js、css、img、html等静态资源文件进行压缩。

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​ 本文主要说明在Hexo博客nexT主题下如何进行美化，具体对应效果可通过本博客页面进行查看。

  • Hexo version： 4.2.0
  • nexT version：7.8.0
阅读全文 »

发表于 更新于 分类于

概述

​ 近来发现，之前学习过、实践过的东西，要用的时候经常一时想不起来。习惯性添加进谷歌浏览器的书签，也会因为对方博客文章删除等无法继续看到。特别的是，部署一个东西需要看几个网上资源才可以完成，书签列表越来越长，难以维护。为此，觉得还是很有必要通过写博客的方式进行分类记录，也方便分享经验。本着能折腾就不闲着的宗旨，在网上查阅有关资料后，决定在GitHub上搭建Hexo个人博客，顺便学习使用Markdown。

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Github Hexo SSH
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目前共计 10 个标签
4G module Driver Github Gulp Hexo MW150US MacOS SSH centos slm750
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