项目需要实现软件系统的在线升级，软件系统比较复杂，升级脚本程序需要做多种操作才能完成升级。
To update a complicated software system, the program of update script needs to do lots of work.
重构脚本可以让您轻松地进行应用程序的升级，而不必担心客户需要花上几小时的时间去遍览文档以找出代码被破坏的原因。
Refactoring scripts allow you to easily upgrade your applications without worrying about clients having to spend hours looking through documentation to figure out what broke their code.
当测试员根据升级的程序来测试保存的脚本时，回馈可能会返回一个错误，说不能找到对象。
When testers play back the saved scripts against the upgraded application, playback might return an error that indicates that an object cannot be found.
在进行递归测试时，测试团队通常会生成一系列的脚本，就算开发员一边升级更改程序也是这样。
While regression testing, test teams usually generate a set of scripts, even while developers upgrade and change the application.
云服务器连接到其他服务器，运行一个直接升级管理应用程序的脚本。
The cloud server connects to another server and runs a script, which updates the management application directly.
如果您正在升级守护程序，请确保当重新启动时您的配置脚本成功地启动了这个新版本。
If you're updating a daemon, make sure your configuration scripts successfully start the new version on reboot.
为了避免在升级过程中出现任何数据一致性问题，我关闭了httpd后台程序并停止运行lpar2rrd脚本。
To avoid any possible data consistency issues during the upgrade, I shut down the HTTPD daemon and stopped the lpar2rrd script from running.
工作原理：升级程序从服务器下载脚本文件，此文件中记载着最高版本号，经比较后，可得知是否需要升级。
How it works: Download the upgrade script file from the server, this file records the highest version number, by comparison, can know whether you need to upgrade.
工作原理：升级程序从服务器下载脚本文件，此文件中记载着最高版本号，经比较后，可得知是否需要升级。
How it works: Download the upgrade script file from the server, this file records the highest version number, by comparison, can know whether you need to upgrade.
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