On Directadmin server httpd fails to start with below error :
# service httpd restart
Stopping httpd: [FAILED]
Starting httpd: Syntax error on line 47 of /usr/local/directadmin/data/users/linuxbabu/httpd.conf:
Invalid command 'php_admin_flag', perhaps misspelled or defined by a module not included in the server configuration
Solution :
Execute below commands to rebuild php and http config files.
./build all d
./build rewrite_confs