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b2_ubuntu离线安装工具.md

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+# ubuntu离线安装工具
+
+## 获取离线包
+```
+# 备份原始目录文件
+sudo ls /var/cache/apt/archives/
+sudo mv /var/cache/apt/archives/*.deb offline/frombeging/
+# 清理目录
+sudo apt clean
+# 只下载不安装
+sudo apt -d install <软件包名>
+sudo mv /var/cache/apt/archives/*.deb offline/<软件包名>/
+```
+
+## 安装
+```
+sudo dpkg -i offline/<软件包名>/*.deb
+```
+
+## 准备常用包
+- 进入offline目录，没有则创建`mkdir offline`
+
+- net-tools
+```
+mkdir net-tools
+sudo apt clean
+sudo apt -d install --download-only net-tools
+sudo mv /var/cache/apt/archives/*.deb ./net-tools/
+```
+
+- docker
+```
+mkdir docker.io
+sudo apt clean
+sudo apt -d install --download-only docker.io
+sudo mv /var/cache/apt/archives/*.deb ./docker.io/
+```
+
+- openjdk1.8
+```
+mkdir openjdk-8-jdk
+sudo apt clean
+sudo apt -d install --download-only openjdk-8-jdk
+sudo mv /var/cache/apt/archives/*.deb ./openjdk-8-jdk/
+```
+
+- openssh-sever
+```
+mkdir openssh-server
+sudo apt clean
+sudo apt -d install --download-only openssh-server
+sudo mv /var/cache/apt/archives/*.deb ./openssh-server/
+dpkg -i ./openssh-server/*.deb
+whereis sshd
+sudo /usr/sbin/sshd  # 需要以绝对路径启动
+```