错误：The stream or file "/var/www/jianshu/storage/logs/laravel-2019-02-14.log" could not be opened: failed to open stream: Permission denied
解决：
After installing Laravel, the file needs to be configured to both read and write permissions: storage directory and bootstrap / cache directory
off Selinux, restart the server
to modify / etc / selinux / config file
SELINUX = enforcing to SELINUX = disabled
My solution is to find storage / logs delete the log files do not belong to www user, this may be your command in use artisan generated in the process.