could not open error log file: open() "/usr/nginx/nginx-1.20.2/logs/error.log" failed

引用\[1\]和\[2\]中提到的错误信息是由于nginx无法打开错误日志文件和访问日志文件所导致的。具体错误信息是"could not open error log file: open() "/usr/local/nginx/logs/error.log" failed (2: No such file or directory)"和"\[emerg\] 11354#0: open() "/usr/local/nginx/logs/access.log" failed (2: No such file or directory)"。这通常是因为缺少这两个日志文件所导致的。

引用\[3\]提供了解决此问题的方法。首先，需要手动创建logs文件夹，可以使用命令"mkdir logs"来创建。然后，使用命令"vim error.log"和"vim access.log"来创建error.log和access.log这两个日志文件。最后，在sbin目录下启动nginx，就可以成功使用nginx了。

所以，对于你提到的错误信息"could not open error log file: open() "/usr/nginx/nginx-1.20.2/logs/error.log" failed"，你可以按照上述方法手动创建logs文件夹，并创建error.log和access.log这两个日志文件，然后再启动nginx即可解决该问题。
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