在使用ubuntu学习时，pycharm使用的时间不长的问题；故此参考网上经验，有如下解决方案。首先下载文件夹，路径如下：
Ubuntu下PyCharm-Professional-2018.3.6文件，提取码：kirk
- 下载PyCharm-Professional-2018.3.6（linux专业版），建议点击上面链接下载。
- 将JetbrainsCrack-release-enc.jar放置到PyCharm目录的\bin目录下（位置可随意，只要配置文件填写相应的路径）
在PyCharm目录的\bin目录下找到 pycharm.exe.vmoptions 和 pycharm64.exe.vmoptions ,并以文本格式打开且同时在两个文件最后追加“-javaagent:/home/你的pycharm路径/bin/JetbrainsCrack-release-enc.jar”，注意路径修改成自己的PyCharm路径，然后保存。如下图所示：
- 打开pycharm，选择第二个选项：Activate Code，把需要的代码粘贴到下面的文本框中，activate。其他的不用管。以后再打开pycharm，就直接进入IDE界面了。代码如下：
ThisCrackLicenseId-{ "licenseId":"11011", "licenseeName":"WeChat", "assigneeName":"IT--Pig", "assigneeEmail":"[email protected]", "licenseRestriction":"", "checkConcurrentUse":false, "products":[ {"code":"II","paidUpTo":"2099-12-31"}, {"code":"DM","paidUpTo":"2099-12-31"}, {"code":"AC","paidUpTo":"2099-12-31"}, {"code":"RS0","paidUpTo":"2099-12-31"}, {"code":"WS","paidUpTo":"2099-12-31"}, {"code":"DPN","paidUpTo":"2099-12-31"}, {"code":"RC","paidUpTo":"2099-12-31"}, {"code":"PS","paidUpTo":"2099-12-31"}, {"code":"DC","paidUpTo":"2099-12-31"}, {"code":"RM","paidUpTo":"2099-12-31"}, {"code":"CL","paidUpTo":"2099-12-31"}, {"code":"PC","paidUpTo":"2099-12-31"} ], "hash":"2911276/0", "gracePeriodDays":7, "autoProlongated":false} - 重启就可以使用了（cd到pycharm-2018.3.6/bin/ 目录下，输入sh pycharm.sh），显示主页面后可查看信息，选择Help->About，如下图：
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