problem:
under the Ubutun system cmder under the WIN subsystem
execute 1. sudo apt-get install apache2
2. sudo/etc/init. D/apache2 restart
* Restarting Apache HTTPD web server Apache 2
[core:warn] [pid 9570:tid 139815888750464] (92)Protocol not available: AH00076: Failed to enable APR_TCP_DEFER_ACCEPT
solution:
sudo vi open
/etc/apache2/apache2. Conf , the bottom add a line in the file the following contents:
- AcceptFilter http none
and then restart Apache2 to resolve the problem.