一、在官网下载 IDEA
下载IDEA For Linux
Download the latest version of IntelliJ IDEA for Windows, macOS or Linux.
https://www.jetbrains.com/idea/download/?section=linux
下载好的安装包解压到/opt/中，目录名更改为 idea
二、对/opt/idea 目录下所有文件授予 777 权限
对/opt/idea 文件授予 777 权限，普通用户对这个目录操作权限较低，如果前面有对整个/opt 目录授权过，则不用了
yammie@my-pc >/opt $ sudo chmod -R 777 /opt/idea
三、下载 jetbra 补丁包 并配置好 vmoptions
1. 在此网页下载 jetbra.zip
下载jetbra
把 jetbra.zip 下载到/opt 目录下
2. 进入/opt/jetbra/scripts，运行 install.sh
yammie@my-pc >/opt/jetbra/scripts
$ sudo bash ./install.sh
执行完后会出现以下内容，意思是已经成功，建议重启下系统，或者注销用户重新登录
done. you’d better log off first!
3. 进入/opt/jetbra/vmoptions/目录，打开 idea.vmoptions 文件，检查他的配置文件，复制最后几行的内容
4、进入/opt/idea/bin 目录，打开 idea64.vmoptions，将上面几行内容粘贴到里面
四、激活 IDEA
1. 点击左上角的 , "帮助→注册插件"
点击 Activate_IntelliJ IDEA→Activation code
2、复制网页上的激活码，粘贴到 Activation code，点击 Activate
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jw48jpuf2TGL/INWPHQ5AjK9ZNtWAfpkYc9w+AcNAa/v6J/Ha
3、激活成功