From 34458c1c1cdc424d5d933c34b2401ce7c32e643c Mon Sep 17 00:00:00 2001
From: Zhang Peng <forbreak@163.com>
Date: Thu, 24 Oct 2019 18:13:48 +0800
Subject: [PATCH] update docs

---
 .editorconfig                             |  25 +-
 .gitattributes                            |   2 +
 .gitignore                                |  40 +-
 README.md                                 |   4 +-
 docs/README.md                            |   4 +-
 docs/coverpage.md                         |   2 +-
 docs/git/README.md                        |   2 +-
 docs/index.html                           | 465 +++++++++++-----------
 docs/linux/cli/Linux文件目录管理.md |   2 +-
 docs/linux/cli/Linux软件管理.md       |   2 +-
 docs/linux/ops/linux典型运维应用.md |   2 +-
 docs/linux/ops/shell.md                   |  50 +--
 docs/linux/soft/nexus-ops.md              |   2 +-
 docs/mac.md                               |   2 +-
 14 files changed, 317 insertions(+), 287 deletions(-)

diff --git a/.editorconfig b/.editorconfig
index 610df05..c7ca29b 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,30 +1,27 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# http://editorconfig.org
-# 所有文件换行以 Unix like 风格（LF），win 格式特定的除外（bat）
-# 缩进 java 4 个空格，其他所有文件 2 个空格
+# EditorConfig 用于在 IDE 中检查代码的基本 Code Style
+# @see: https://editorconfig.org/
+
+# 配置说明：
+# 所有文件换行使用 Unix 风格（LF），*.bat 文件使用 Windows 风格（CRLF）
+# java / sh 文件缩进 4 个空格，其他所有文件缩进 2 个空格
 
 root = true
 
 [*]
-# Unix-style newlines with a newline ending every file
 end_of_line = lf
-
-# Change these settings to your own preference
-indent_style = space
 indent_size = 2
-
-# We recommend you to keep these unchanged
+indent_style = tab
+max_line_length = 120
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[*.bat]
+[*.{bat, cmd}]
 end_of_line = crlf
 
-[*.{java, sh}]
-indent_style = tab
+[*.{java, groovy, kt, sh}]
 indent_size = 4
 
 [*.md]
+max_line_length = 0
 trim_trailing_whitespace = false
diff --git a/.gitattributes b/.gitattributes
index 1e3aabc..07962a1 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -70,6 +70,8 @@
 *.pdf binary
 *.doc binary
 *.docx binary
+*.ppt binary
+*.pptx binary
 *.xls binary
 *.xlsx binary
 *.xmind binary
diff --git a/.gitignore b/.gitignore
index a684e5e..b887576 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,42 @@
-################ JAVASCRIPT ################
+# ---------------------------------------------------------------------
+# more gitignore templates see https://github.com/github/gitignore
+# ---------------------------------------------------------------------
+
+# ------------------------------- java -------------------------------
+# compiled folders
+classes
+target
+logs
+.mtj.tmp/
+
+# compiled files
+*.class
+
+# bluej files
+*.ctxt
+
+# package files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs
+hs_err_pid*
+
+# maven plugin temp files
+.flattened-pom.xml
+
+
+# ------------------------------- javascript -------------------------------
 # dependencies
 node_modules
 
 # temp folders
+build
 dist
 _book
 _jsdoc
@@ -15,11 +49,11 @@ yarn-error.log*
 bundle*.js
 
 
-################ IDEA ################
+# ------------------------------- intellij -------------------------------
 .idea
 *.iml
 
 
-################ Eclipse ################
+# ------------------------------- eclipse -------------------------------
 .classpath
 .project
diff --git a/README.md b/README.md
index e23af50..5a3349a 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 # Linux 教程
 
-> :keyboard: 项目同步维护在 [github](https://github.com/dunwu/linux-tutorial) | [gitee](https://gitee.com/turnon/linux-tutorial)
+> 🔁 项目同步维护在 [github](https://github.com/dunwu/linux-tutorial) | [gitee](https://gitee.com/turnon/linux-tutorial)
 >
 > 📖 [电子书](https://dunwu.github.io/linux-tutorial/) | [电子书（国内）](http://turnon.gitee.io/linux-tutorial/)
 
-|       :wrench:        |        :shell:        |      :memo:       |        :books:        |
+|       :wrench:        |        :shell:        |      :memo:       |        📚        |
 | :-------------------: | :-------------------: | :---------------: | :-------------------: |
 | [软件运维](#软件运维) | [运维和脚本](#运维和脚本) | [知识点](#知识点) | [学习资源](#学习资源) |
 
diff --git a/docs/README.md b/docs/README.md
index 8b2f574..04ce5d0 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,10 +1,10 @@
 # Linux 教程
 
-> :keyboard: 项目同步维护在 [github](https://github.com/dunwu/linux-tutorial) | [gitee](https://gitee.com/turnon/linux-tutorial)
+> 🔁 项目同步维护在 [github](https://github.com/dunwu/linux-tutorial) | [gitee](https://gitee.com/turnon/linux-tutorial)
 >
 > 📖 [电子书](https://dunwu.github.io/linux-tutorial/) | [电子书（国内）](http://turnon.gitee.io/linux-tutorial/)
 
-|       :wrench:        |        :shell:        |      :memo:       |        :books:        |
+|       :wrench:        |        :shell:        |      :memo:       |        📚        |
 | :-------------------: | :-------------------: | :---------------: | :-------------------: |
 | [软件运维](#软件运维) | [运维和脚本](#运维和脚本) | [知识点](#知识点) | [学习资源](#学习资源) |
 
diff --git a/docs/coverpage.md b/docs/coverpage.md
index 881c708..0b92b57 100644
--- a/docs/coverpage.md
+++ b/docs/coverpage.md
@@ -1,6 +1,6 @@
 <div align="center"><img width="100px" src="http://dunwu.test.upcdn.net/common/logo/zp.png"/></div>
 
-# Linux Tutorial
+# linux-tutorial
 
 > Linux 教程
 
diff --git a/docs/git/README.md b/docs/git/README.md
index 16a7088..3313a48 100644
--- a/docs/git/README.md
+++ b/docs/git/README.md
@@ -7,7 +7,7 @@
 - [git-flow 工作流](git-flow.md)
 - [Git 常见问题](git-faq.md)
 
-## :books: 学习资源
+## 📚 学习资源
 
 ### 官方资源
 
diff --git a/docs/index.html b/docs/index.html
index c50503e..4169736 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -1,245 +1,242 @@
 <!DOCTYPE html>
 <html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <title>Linux Tutorial</title>
-    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
-    <meta name="description" content="Linux 教程" />
-    <meta
-      name="viewport"
-      content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
-    />
-    <link rel="icon" href="http://dunwu.test.upcdn.net/common/logo/zp_50_50.png" type="image/x-icon" />
-    <link rel="stylesheet" href="//unpkg.com/docsify/lib/themes/vue.css" title="vue" />
-    <style>
-      h1 + ul {
-        display: block !important;
+<head>
+  <meta charset="UTF-8"/>
+  <title>Linux Tutorial</title>
+  <meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/>
+  <meta content="Linux 教程" name="description"/>
+  <meta
+    content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
+    name="viewport"
+  />
+  <link href="http://dunwu.test.upcdn.net/common/logo/zp_50_50.png" rel="icon" type="image/x-icon"/>
+  <link href="//unpkg.com/docsify/lib/themes/vue.css" rel="stylesheet" title="vue"/>
+  <style>
+    h1 + ul {
+      display: block !important;
+    }
+
+    .content img,
+    .sidebar img {
+      border: none;
+      border-radius: 8px;
+      box-shadow: 0 0 8px grey;
+    }
+
+    .content,
+    .sidebar,
+    .sidebar-toggle,
+    body,
+    .search input {
+      color: #6B615F !important;
+      background-color: #FFF4E6 !important;
+    }
+
+    .content strong,
+    .sidebar strong,
+    body strong {
+      color: #5C5869 !important;
+    }
+  </style>
+  <style>
+    .cover-main .anchor span {
+      text-align: center;
+      background-image: -webkit-linear-gradient(left, #FFDCB4, #B96972 25%, #E88A57 50%, #804170 75%, #A596CD);
+      -webkit-text-fill-color: transparent;
+      -webkit-background-clip: text;
+      -webkit-background-size: 200% 100%;
+      -webkit-animation: masked-animation 1.5s infinite linear;
+      font-family: "Brush Script MT", 隶书, serif;
+      font-weight: 600;
+    }
+
+    .cover-main blockquote p {
+      color: #5C5869;
+      font-family: "Arial", 隶书, serif;
+    }
+
+    .cover-main ul a:hover {
+      color: #FE4165 !important;
+    }
+
+    .cover-main p a:hover {
+      text-align: center;
+      background-image: -webkit-linear-gradient(left, #FFDCB4, #B96972 25%, #E88A57 50%, #804170 75%, #A596CD);
+      -webkit-text-fill-color: transparent;
+      -webkit-background-clip: text;
+      -webkit-background-size: 200% 100%;
+      -webkit-animation: masked-animation 1.5s infinite linear;
+    }
+
+    /* content 样式内容 */
+    .sidebar a,
+    .content a {
+      color: #399AB2 !important;
+      text-decoration: none !important;
+    }
+
+    .sidebar a:hover,
+    .content a:hover {
+      color: #FE4165 !important;
+      text-decoration: underline !important;
+    }
+
+    .content h1 :hover,
+    .content h2 :hover,
+    .content h3 :hover,
+    .content h4 :hover {
+      text-align: center;
+      background-image: -webkit-linear-gradient(left, #FFDCB4, #B96972 25%, #E88A57 50%, #804170 75%, #A596CD);
+      -webkit-text-fill-color: transparent;
+      -webkit-background-clip: text;
+      -webkit-background-size: 200% 100%;
+      -webkit-animation: masked-animation 1.5s infinite linear;
+      font-family: "微软雅黑", serif;
+      font-weight: bold;
+    }
+
+    @-webkit-keyframes masked-animation {
+      0% {
+        background-position: 0 0;
+      }
+      100% {
+        background-position: -100% 0;
+      }
+    }
+
+    .content h1 a,
+    .content h1 span {
+      color: #399AB2 !important;
+      font-size: 30px;
+      text-shadow: 2px 2px 5px grey;
+    }
+
+    .content h2 a,
+    .content h2 span {
+      color: #60497C !important;
+      font-size: 26px;
+      text-shadow: 2px 2px 5px grey;
+    }
+
+    .content h3 a,
+    .content h3 span {
+      color: #346093 !important;
+      font-size: 22px;
+      text-shadow: 2px 2px 5px grey;
+    }
+
+    .content h4 a,
+    .content h4 span {
+      font-size: 18px;
+      color: #78943A;
+      text-shadow: 2px 2px 5px grey;
+    }
+
+    img.emoji {
+      border: none;
+      border-radius: 0;
+      box-shadow: none;
+    }
+  </style>
+  <style>
+    .content > p {
+      font-size: 16px !important;
+      line-height: 24px;
+    }
+
+    .content blockquote {
+      display: block;
+      padding: 0 16px;
+      border-left: 8px solid #DDDFE4;
+      background: #FFF2C9;
+      overflow: auto;
+    }
+
+    .content pre {
+      padding-left: 0 !important;
+      padding-right: 0 !important;
+      border-radius: 8px;
+      box-shadow: 1px 1px 20px 3px #DDDDDD !important;
+    }
+
+    .content code {
+      background-color: white;
+      border-radius: 6px;
+      box-shadow: 1px 1px 1px whitesmoke;
+    }
+
+    .content table {
+      display: table;
+      padding-left: 0 !important;
+      padding-right: 0 !important;
+      box-shadow: 2px 2px 20px 6px #DDDDDD !important;
+    }
+
+    .content th {
+      font-weight: bold;
+      font-size: 16px;
+      background-color: #CCE6B6;
+    }
+  </style>
+  <style>
+    @media (min-width: 600px) {
+      .markdown-section pre > code {
+        font-size: 0.9rem !important;
+      }
+    }
+
+    @media (max-width: 600px) {
+      .markdown-section pre > code {
+        padding-top: 5px;
+        padding-bottom: 5px;
       }
 
-      .content img,
-      .sidebar img {
-        border: none;
-        border-radius: 8px;
-        box-shadow: 0 0 8px grey;
+      pre:after {
+        content: "" !important;
       }
+    }
 
-      .content,
-      .sidebar,
-      .sidebar-toggle,
-      body,
-      .search input {
-        color: #6b615f !important;
-        background-color: #fff4e6 !important;
+    @media (min-width: 600px) {
+      pre code {
+        padding-left: 20px !important;
       }
+    }
 
-      .content strong,
-      .sidebar strong,
-      body strong {
-        color: #5c5869 !important;
-      }
-    </style>
-    <style>
-      .cover-main .anchor span {
-        text-align: center;
-        background-image: -webkit-linear-gradient(left, #ffdcb4, #b96972 25%, #e88a57 50%, #804170 75%, #a596cd);
-        -webkit-text-fill-color: transparent;
-        -webkit-background-clip: text;
-        -webkit-background-size: 200% 100%;
-        -webkit-animation: masked-animation 1.5s infinite linear;
-        font-family: "Brush Script MT", 隶书, serif;
-        font-weight: 600;
+    @media (max-width: 600px) {
+      pre {
+        padding-left: 0px !important;
+        padding-right: 0px !important;
       }
+    }
+  </style>
+</head>
+<body>
+<div id="app">正在加载...</div>
+<script>
+  window.$docsify = {
+    name: 'Linux Tutorial',
+    repo: 'https://github.com/dunwu/linux-tutorial',
+    logo: 'http://dunwu.test.upcdn.net/common/logo/zp_100_100.png',
+    auto2top: true,
+    coverpage: 'coverpage.md',
+    maxLevel: 4,
+    subMaxLevel: 4,
+    formatUpdated: '{MM}/{DD} {HH}:{mm}',
+    search: {
+      maxAge: 86400000, paths: ['/'], placeholder: '🔍 搜索', noData: '没有结果！', depth: 4
+    }
+  }
+</script>
+<script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
+<script src="//unpkg.com/docsify/lib/plugins/emoji.js"></script>
+<script src="//unpkg.com/docsify/lib/plugins/zoom-image.js"></script>
+<script src="//unpkg.com/docsify/lib/plugins/search.js"></script>
 
-      .cover-main blockquote p {
-        color: #5c5869;
-        font-family: "Arial", 隶书, serif;
-      }
-
-      .cover-main ul a:hover {
-        color: #fe4165 !important;
-      }
-
-      .cover-main p a:hover {
-        text-align: center;
-        background-image: -webkit-linear-gradient(left, #ffdcb4, #b96972 25%, #e88a57 50%, #804170 75%, #a596cd);
-        -webkit-text-fill-color: transparent;
-        -webkit-background-clip: text;
-        -webkit-background-size: 200% 100%;
-        -webkit-animation: masked-animation 1.5s infinite linear;
-      }
-
-      /* content 样式内容 */
-      .sidebar a,
-      .content a {
-        color: #399ab2 !important;
-        text-decoration: none !important;
-      }
-
-      .sidebar a:hover,
-      .content a:hover {
-        color: #fe4165 !important;
-        text-decoration: underline !important;
-      }
-
-      .content h1 :hover,
-      .content h2 :hover,
-      .content h3 :hover,
-      .content h4 :hover {
-        text-align: center;
-        background-image: -webkit-linear-gradient(left, #ffdcb4, #b96972 25%, #e88a57 50%, #804170 75%, #a596cd);
-        -webkit-text-fill-color: transparent;
-        -webkit-background-clip: text;
-        -webkit-background-size: 200% 100%;
-        -webkit-animation: masked-animation 1.5s infinite linear;
-        font-family: "微软雅黑", serif;
-        font-weight: bold;
-      }
-
-      @-webkit-keyframes masked-animation {
-        0% {
-          background-position: 0 0;
-        }
-        100% {
-          background-position: -100% 0;
-        }
-      }
-
-      .content h1 a,
-      .content h1 span {
-        color: #399ab2 !important;
-        font-size: 30px;
-        text-shadow: 2px 2px 5px grey;
-      }
-
-      .content h2 a,
-      .content h2 span {
-        color: #60497c !important;
-        font-size: 26px;
-        text-shadow: 2px 2px 5px grey;
-      }
-
-      .content h3 a,
-      .content h3 span {
-        color: #346093 !important;
-        font-size: 22px;
-        text-shadow: 2px 2px 5px grey;
-      }
-
-      .content h4 a,
-      .content h4 span {
-        font-size: 18px;
-        color: #78943a;
-        text-shadow: 2px 2px 5px grey;
-      }
-
-      img.emoji {
-        border: none;
-        border-radius: 0;
-        box-shadow: none;
-      }
-    </style>
-    <style>
-      .content > p {
-        font-size: 16px !important;
-        line-height: 24px;
-      }
-
-      .content blockquote {
-        display: block;
-        padding: 0 16px;
-        border-left: 8px solid #dddfe4;
-        background: #fff2c9;
-        overflow: auto;
-      }
-
-      .content pre {
-        padding-left: 0 !important;
-        padding-right: 0 !important;
-        border-radius: 8px;
-        box-shadow: 1px 1px 20px 3px #dddddd !important;
-      }
-
-      .content code {
-        background-color: white;
-        border-radius: 6px;
-        box-shadow: 1px 1px 1px whitesmoke;
-      }
-
-      .content table {
-        display: table;
-        padding-left: 0 !important;
-        padding-right: 0 !important;
-        box-shadow: 2px 2px 20px 6px #dddddd !important;
-      }
-
-      .content th {
-        font-weight: bold;
-        font-size: 16px;
-        background-color: #cce6b6;
-      }
-    </style>
-    <style>
-      @media (min-width: 600px) {
-        .markdown-section pre > code {
-          font-size: 0.9rem !important;
-        }
-      }
-
-      @media (max-width: 600px) {
-        .markdown-section pre > code {
-          padding-top: 5px;
-          padding-bottom: 5px;
-        }
-
-        pre:after {
-          content: "" !important;
-        }
-      }
-
-      @media (min-width: 600px) {
-        pre code {
-          padding-left: 20px !important;
-        }
-      }
-
-      @media (max-width: 600px) {
-        pre {
-          padding-left: 0px !important;
-          padding-right: 0px !important;
-        }
-      }
-    </style>
-  </head>
-  <body>
-    <div id="app">正在加载...</div>
-    <script>
-      window.$docsify = {
-        name: "Linux Tutorial",
-        repo: "https://github.com/dunwu/linux-tutorial",
-        logo: "http://dunwu.test.upcdn.net/common/logo/zp_100_100.png",
-        auto2top: true,
-        coverpage: "coverpage.md",
-        maxLevel: 4,
-        subMaxLevel: 4,
-        formatUpdated: "{MM}/{DD} {HH}:{mm}",
-        search: {
-          maxAge: 86400000,
-          paths: ["/"],
-          placeholder: "🔍 搜索",
-          noData: "没有结果！",
-          depth: 4
-        }
-      };
-    </script>
-    <script src="//unpkg.com/docsify/lib/docsify.min.js"></script>
-    <script src="//unpkg.com/docsify/lib/plugins/emoji.js"></script>
-    <script src="//unpkg.com/docsify/lib/plugins/zoom-image.js"></script>
-    <script src="//unpkg.com/docsify/lib/plugins/search.js"></script>
-
-    <!--代码高亮-->
-    <script src="//unpkg.com/prismjs/components/prism-basic.min.js"></script>
-    <script src="//unpkg.com/prismjs/components/prism-bash.min.js"></script>
-    <script src="//unpkg.com/prismjs/components/prism-java.min.js"></script>
-    <script src="//unpkg.com/prismjs/components/prism-markdown.min.js"></script>
-  </body>
+<!--代码高亮-->
+<!--@see https://github.com/PrismJS/prism -->
+<script src="//unpkg.com/prismjs/components/prism-basic.min.js"></script>
+<script src="//unpkg.com/prismjs/components/prism-bash.min.js"></script>
+<script src="//unpkg.com/prismjs/components/prism-java.min.js"></script>
+<script src="//unpkg.com/prismjs/components/prism-markdown.min.js"></script>
+</body>
 </html>
diff --git a/docs/linux/cli/Linux文件目录管理.md b/docs/linux/cli/Linux文件目录管理.md
index 5431a4d..6e062ad 100644
--- a/docs/linux/cli/Linux文件目录管理.md
+++ b/docs/linux/cli/Linux文件目录管理.md
@@ -250,7 +250,7 @@ touch ex2
 
 > ln 命令用来为文件创建连接，连接类型分为硬连接和符号连接两种，默认的连接类型是硬连接。如果要创建符号连接必须使用"-s"选项。
 >
-> 注意：符号链接文件不是一个独立的文件，它的许多属性依赖于源文件，所以给符号链接文件设置存取权限是没有意义的。
+> 🔔 注意：符号链接文件不是一个独立的文件，它的许多属性依赖于源文件，所以给符号链接文件设置存取权限是没有意义的。
 >
 > 参考：http://man.linuxde.net/ln
 
diff --git a/docs/linux/cli/Linux软件管理.md b/docs/linux/cli/Linux软件管理.md
index ad250ce..7292493 100644
--- a/docs/linux/cli/Linux软件管理.md
+++ b/docs/linux/cli/Linux软件管理.md
@@ -150,7 +150,7 @@ yum 的默认源是国外的，下载速度比较慢，所以最好替换为一
 | <http://mirrors.163.com/>    | Centos6：http://mirrors.aliyun.com/repo/Centos-6.repo<br>Centos7：http://mirrors.aliyun.com/repo/Centos-7.repo             |
 | <http://mirrors.aliyun.com/> | Centos6：http://mirrors.163.com/.help/CentOS6-Base-163.repo<br>Centos7：http://mirrors.163.com/.help/CentOS7-Base-163.repo |
 
-> 注意：Cento5 已废弃，只能使用 http://vault.centos.org/ 替换，但由于是国外镜像，速度较慢。
+> 🔔 注意：Cento5 已废弃，只能使用 http://vault.centos.org/ 替换，但由于是国外镜像，速度较慢。
 
 替换方法，以 aliyun CentOS7 为例：
 
diff --git a/docs/linux/ops/linux典型运维应用.md b/docs/linux/ops/linux典型运维应用.md
index 1e5bd3b..f8ed21f 100644
--- a/docs/linux/ops/linux典型运维应用.md
+++ b/docs/linux/ops/linux典型运维应用.md
@@ -5,7 +5,7 @@ date: 2019-03-06
 
 # Linux 典型运维应用
 
-> :bulb: 如果没有特殊说明，本文的案例都是针对 Centos 发行版本。
+> 💡 如果没有特殊说明，本文的案例都是针对 Centos 发行版本。
 
 ## 网络操作
 
diff --git a/docs/linux/ops/shell.md b/docs/linux/ops/shell.md
index 43cfd6c..b8b5c98 100644
--- a/docs/linux/ops/shell.md
+++ b/docs/linux/ops/shell.md
@@ -5,7 +5,7 @@
 > 本文主要介绍 bash 的语法，对于 linux 指令不做任何介绍。
 >
 > :notebook: 本文已归档到：「[blog](https://github.com/dunwu/blog)」
-> :keyboard: 本文的源码已归档到 [linux-tutorial](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos)
+> 🔁 本文的源码已归档到 [linux-tutorial](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos)
 
 ```
 ███████╗██╗  ██╗███████╗██╗     ██╗
@@ -173,7 +173,7 @@ chmod +x /path/to/script.sh #使脚本具有执行权限
 
 这种方式要求脚本文件的第一行必须指明运行该脚本的程序，比如：
 
-**:keyboard: 『示例源码』** [helloworld.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/helloworld.sh)
+**🔁 『示例源码』** [helloworld.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/helloworld.sh)
 
 ```bash
 #!/usr/bin/env bash
@@ -207,7 +207,7 @@ shell 语法中，注释是特殊的语句，会被 shell 解释器忽略。
 - 单行注释 - 以 `#` 开头，到行尾结束。
 - 多行注释 - 以 `:<<EOF` 开头，到 `EOF` 结束。
 
-**:keyboard: 『示例源码』** [comment-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/comment-demo.sh)
+**🔁 『示例源码』** [comment-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/comment-demo.sh)
 
 ```bash
 #--------------------------------------------
@@ -293,7 +293,7 @@ echo `pwd`
 #  Output:(当前目录路径)
 ```
 
-**:keyboard: 『示例源码』** [echo-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/echo-demo.sh)
+**🔁 『示例源码』** [echo-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/echo-demo.sh)
 
 ### 2.4. printf
 
@@ -301,7 +301,7 @@ printf 用于格式化输出字符串。
 
 默认，printf 不会像 echo 一样自动添加换行符，如果需要换行可以手动添加 `\n`。
 
-**:keyboard: 『示例源码』** [printf-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/printf-demo.sh)
+**🔁 『示例源码』** [printf-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/printf-demo.sh)
 
 ```bash
 # 单引号
@@ -619,7 +619,7 @@ echo ${nums[@]}
 
 ### 5.6. 数组示例源码
 
-**:keyboard: 『示例源码』** [array-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/array-demo.sh)
+**🔁 『示例源码』** [array-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos/array-demo.sh)
 
 ## 6. 运算符
 
@@ -640,7 +640,7 @@ echo ${nums[@]}
 
 **注意：**条件表达式要放在方括号之间，并且要有空格，例如: `[$x==$y]` 是错误的，必须写成 `[ $x == $y ]`。
 
-**:keyboard: 『示例源码』** [operator-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo.sh)
+**🔁 『示例源码』** [operator-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo.sh)
 
 ```bash
 x=10
@@ -698,7 +698,7 @@ fi
 | `-ge`  | 检测左边的数是否大于等于右边的，如果是，则返回 true。 | `[ $a -ge $b ]` 返回 false。 |
 | `-le`  | 检测左边的数是否小于等于右边的，如果是，则返回 true。 | `[ $a -le $b ]`返回 true。   |
 
-**:keyboard: 『示例源码』** [operator-demo2.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo2.sh)
+**🔁 『示例源码』** [operator-demo2.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo2.sh)
 
 ```bash
 x=10
@@ -763,7 +763,7 @@ fi
 | `-o`   | 或运算，有一个表达式为 true 则返回 true。           | `[ $a -lt 20 -o $b -gt 100 ]` 返回 true。  |
 | `-a`   | 与运算，两个表达式都为 true 才返回 true。           | `[ $a -lt 20 -a $b -gt 100 ]` 返回 false。 |
 
-**:keyboard: 『示例源码』** [operator-demo3.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo3.sh)
+**🔁 『示例源码』** [operator-demo3.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo3.sh)
 
 ```bash
 x=10
@@ -813,7 +813,7 @@ fi
 | `&&`   | 逻辑的 AND | `[[ ${x} -lt 100 && ${y} -gt 100 ]]` 返回 false |
 | `||`   | 逻辑的 OR  | `[[ ${x} -lt 100 || ${y} -gt 100 ]]` 返回 true  |
 
-**:keyboard: 『示例源码』** [operator-demo4.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo4.sh)
+**🔁 『示例源码』** [operator-demo4.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo4.sh)
 
 ```bash
 x=10
@@ -854,7 +854,7 @@ fi
 | `-n`   | 检测字符串长度是否为 0，不为 0 返回 true。 | `[ -n $a ]` 返回 true。    |
 | `str`  | 检测字符串是否为空，不为空返回 true。      | `[ $a ]` 返回 true。       |
 
-**:keyboard: 『示例源码』** [operator-demo5.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo5.sh)
+**🔁 『示例源码』** [operator-demo5.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo5.sh)
 
 ```bash
 x="abc"
@@ -925,7 +925,7 @@ fi
 | -s file | 检测文件是否为空（文件大小是否大于 0），不为空返回 true。                   | `[ -s $file ]` 返回 true。  |
 | -e file | 检测文件（包括目录）是否存在，如果是，则返回 true。                         | `[ -e $file ]` 返回 true。  |
 
-**:keyboard: 『示例源码』** [operator-demo6.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo6.sh)
+**🔁 『示例源码』** [operator-demo6.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/operator/operator-demo6.sh)
 
 ```bash
 file="/etc/hosts"
@@ -1036,13 +1036,13 @@ fi
 # Output: 10 < 20
 ```
 
-**:keyboard: 『示例源码』** [if-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/if-demo.sh)
+**🔁 『示例源码』** [if-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/if-demo.sh)
 
 #### `case`
 
 如果你需要面对很多情况，分别要采取不同的措施，那么使用`case`会比嵌套的`if`更有用。使用`case`来解决复杂的条件判断，看起来像下面这样：
 
-**:keyboard: 『示例源码』** [case-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/case-demo.sh)
+**🔁 『示例源码』** [case-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/case-demo.sh)
 
 ```bash
 exec
@@ -1114,7 +1114,7 @@ done
 # 将 /home/zp 目录下所有 sh 文件拷贝到 /home/zp/scripts
 ```
 
-**:keyboard: 『示例源码』** [for-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/for-demo.sh)
+**🔁 『示例源码』** [for-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/for-demo.sh)
 
 #### `while`循环
 
@@ -1151,7 +1151,7 @@ done
 #  81
 ```
 
-**:keyboard: 『示例源码』** [while-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/while-demo.sh)
+**🔁 『示例源码』** [while-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/while-demo.sh)
 
 #### `until`循环
 
@@ -1171,7 +1171,7 @@ done
 #  4
 ```
 
-**:keyboard: 『示例源码』** [until-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/until-demo.sh)
+**🔁 『示例源码』** [until-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/until-demo.sh)
 
 #### `select`循环
 
@@ -1219,7 +1219,7 @@ Choose the package manager: 2
 Enter the package name: gitbook-cli
 ```
 
-**:keyboard: 『示例源码』** [select-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/select-demo.sh)
+**🔁 『示例源码』** [select-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/select-demo.sh)
 
 #### `break` 和 `continue`
 
@@ -1229,7 +1229,7 @@ Enter the package name: gitbook-cli
 >
 > `continue`语句用来跳过某次迭代。
 
-**:keyboard: 『示例源码』** [break-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/break-demo.sh)
+**🔁 『示例源码』** [break-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/break-demo.sh)
 
 ```bash
 # 查找 10 以内第一个能整除 2 和 3 的正整数
@@ -1244,7 +1244,7 @@ done
 # Output: 6
 ```
 
-**:keyboard: 『示例源码』** [continue-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/continue-demo.sh)
+**🔁 『示例源码』** [continue-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/statement/continue-demo.sh)
 
 ```bash
 # 打印10以内的奇数
@@ -1273,14 +1273,14 @@ bash 函数定义语法如下：
 }
 ```
 
-> :bulb: 说明：
+> 💡 说明：
 >
 > 1. 函数定义时，`function` 关键字可有可无。
 > 2. 函数返回值 - return 返回函数返回值，返回值类型只能为整数（0-255）。如果不加 return 语句，shell 默认将以最后一条命令的运行结果，作为函数返回值。
 > 3. 函数返回值在调用该函数后通过 `$?` 来获得。
 > 4. 所有函数在使用前必须定义。这意味着必须将函数放在脚本开始部分，直至 shell 解释器首次发现它时，才可以使用。调用函数仅使用其函数名即可。
 
-**:keyboard: 『示例源码』** [function-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos//function/function-demo.sh)
+**🔁 『示例源码』** [function-demo.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos//function/function-demo.sh)
 
 ```bash
 #!/usr/bin/env bash
@@ -1346,7 +1346,7 @@ the result is: 100
 | `$#`           | 不包括`$0`在内的位置参数的个数 |
 | `$FUNCNAME`    | 函数名称（仅在函数内部有值）   |
 
-**:keyboard: 『示例源码』** [function-demo2.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos//function/function-demo2.sh)
+**🔁 『示例源码』** [function-demo2.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos//function/function-demo2.sh)
 
 ```bash
 #!/usr/bin/env bash
@@ -1406,7 +1406,7 @@ $ ./function-demo2.sh 10 20
 | `$-`     | 返回 Shell 使用的当前选项，与 set 命令功能相同。 |
 | `$?`     | 函数返回值                                       |
 
-**:keyboard: 『示例源码』** [function-demo3.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos//function/function-demo3.sh)
+**🔁 『示例源码』** [function-demo3.sh](https://github.com/dunwu/linux-tutorial/tree/master/codes/shell/demos//function/function-demo3.sh)
 
 ```bash
 runner() {
@@ -1644,7 +1644,7 @@ $ ./my_script
 
 有时我们值需要 debug 脚本的一部分。这种情况下，使用`set`命令会很方便。这个命令可以启用或禁用选项。使用`-`启用选项，`+`禁用选项：
 
-**:keyboard: 『示例源码』** [debug-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/debug-demo.sh)
+**🔁 『示例源码』** [debug-demo.sh](https://github.com/dunwu/linux-tutorial/blob/master/codes/shell/demos/debug-demo.sh)
 
 ```bash
 # 开启 debug
diff --git a/docs/linux/soft/nexus-ops.md b/docs/linux/soft/nexus-ops.md
index 466416d..fa65f4f 100644
--- a/docs/linux/soft/nexus-ops.md
+++ b/docs/linux/soft/nexus-ops.md
@@ -190,7 +190,7 @@ Nexus 中的仓库有以下类型：
   </distributionManagement>
 ```
 
-> 注意：
+> 🔔 注意：
 >
 > - `<repository>` 和 `<snapshotRepository>` 的 id 必须和 `settings.xml` 配置文件中的 `<server>` 标签中的 id 匹配。
 > - `<url>` 标签的地址需要和 maven 私服的地址匹配。
diff --git a/docs/mac.md b/docs/mac.md
index 0637f62..146d475 100644
--- a/docs/mac.md
+++ b/docs/mac.md
@@ -314,7 +314,7 @@ Cmd+C、Cmd+V、Cmd+X、Cmd+A、Cmd+Z。
 
 打开 CheatSheet 后，长按 command 键，会弹出当前应用程序的所有快捷键。我们还可以对这些快捷键进行保存。
 
-## :books: 学习资源
+## 📚 学习资源
 
 - [Awesome Mac](https://github.com/jaywcjlove/awesome-mac)
 - [awesome-macos-command-line](https://github.com/herrbischoff/awesome-macos-command-line)