ubuntu：locate命令返回错误的resutls

Question

以下是完整的方案：

dev@ubuntu:~$ locate php.ini
/etc/php/5.6/apache2/php.ini
/etc/php/5.6/cli/php.ini
/etc/php/7.2/apache2/php.ini
/etc/php/7.2/cli/php.ini
/home/dev/htdocs/mweb-centralhubapi/vendor/doctrine/cache/tests/travis/php.ini
/home/dev/htdocs/mweb-centralhubapi_old/vendor/doctrine/cache/tests/travis/php.ini
/home/dev/htdocs/mweb-environment-status/vendor/doctrine/cache/tests/travis/php.ini
/home/dev/htdocs/mweb-jobsapi/vendor/doctrine/cache/tests/travis/php.ini
/mnt/hgfs/mweb/mweb-data/vendor/doctrine/cache/tests/travis/php.ini
/mnt/hgfs/mweb/testCaces/vendor/doctrine/cache/tests/travis/php.ini
/usr/lib/php/7.0/php.ini-development
/usr/lib/php/7.0/php.ini-production
/usr/lib/php/7.0/php.ini-production.cli
/usr/lib/php/7.2/php.ini-development
/usr/lib/php/7.2/php.ini-production
/usr/lib/php/7.2/php.ini-production.cli
dev@ubuntu:~$ sudo rm /etc/php/5.6/apache2/php.ini
rm: cannot remove '/etc/php/5.6/apache2/php.ini': No such file or directory

当我尝试删除文件时说：没有这样的文件

Answer 1

通过命令切换到root用户：

su - root
updatedb

我希望它能奏效。