E: Unable to locate package Kdevelop-dev 这是一个小伙伴安装软件包时出现的问题，其实LZ通过
sudo apt-get install name1
安装软件的时候也会经常不记得一些依赖项的具体名字，毕竟脑容量有限，只能记得关键词，下面就以Kdevelop为例。
sudo apt-cache search Kdevelop//以下为输出c-cpp-reference - C and C++ programming referencekdev-python - KDevelop Python Pluginkdevelop - integrated development environment for KDEkdevelop-data - data files for the KDevelop IDEkdevelop-dbg - debugging symbols for KDevelopkdevelop-dev - development files for the KDevelop IDEkdevelop-l10n - localization files for the KDevelop IDEkdevelop-pg-qt - LL(1) parser generator based on Qtkdevelop-php - PHP plugin for KDevelopkdevelop-php-dbg - debugging symbols for the KDevelop PHP pluginkdevelop-php-docs - PHP documentation plugin for KDevelopkdevelop-php-docs-l10n - localization files for KDevelop PHP documentation pluginkdevelop-php-l10n - localization files for KDevelop PHP pluginkdevplatform-dbg - debugging symbols for the KDevelop platformkdevplatform-dev - development files for the KDevelop platformkdevplatform-l10n - language package for the KDevelop platformkdevplatform7-libs - shared libraries for the KDevelop platformlibkomparediff2-4 - Library to compare files and stringslibkomparediff2-dev - Library to compare files and strings - development fileslibsublime-dev - development files for the sublime user interface librarylibsublime7 - User interface libraryqdevelop - A development environment entirely dedicated to Qt412345678910111213141516171819202122232425
可以对照自己的需求进行安装了♪(^∇^*)按照上面输出显示：
sudo apt-get install Kdevelop1
可能是ubuntu内核更新，包名也会经常改变，如果遇到这种sudo apt-get update后发现还是没有找到对应的包名，那就使用sudo apt-cache search keyword
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