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将代码上传到一个Linux系统上进行编译时报错：make: Warning: File 'a.out' has modification time 2007 s in the futureg++ -c sampen_test.cpp -o test.og++ -c sampen.cpp -o sampen.omake: warning: Clock skew detected. Your build may be incomplete.这是因为代码是在笔记本上写的，而Linux系统没有联网。

WSL2直接使用perf会报没有安装的错误：WARNING: perf not found for kernel 4.4.0-18362You may need to install the following packages for this specific kernel:linux-tools-4.4.0-18362-Microsoftlinux-cloud-tools-4.4.0-18362-MicrosoftYou may also want to install one of

Linux下用find查找并复制指定文件到指定目录下find . -iname "*.doc" -type f -exec cp {} /tmp/doc \;实例，即使目录有空格也可以参考链接错误，评论问更正Linux下用find查找并复制指定文件到指定目录下