>Did you see this syntax error? OK I commented that line and left that to the apache's default. Now I can see MPM status
# apache2 -V [Fri Jul 10 21:15:32.121146 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_PID_FILE} is not defined [Fri Jul 10 21:15:32.121269 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_RUN_USER} is not defined [Fri Jul 10 21:15:32.121285 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_RUN_GROUP} is not defined [Fri Jul 10 21:15:32.121306 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_LOG_DIR} is not defined [Fri Jul 10 21:15:32.165899 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_RUN_DIR} is not defined [Fri Jul 10 21:15:32.166652 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_LOG_DIR} is not defined [Fri Jul 10 21:15:32.167426 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_LOG_DIR} is not defined [Fri Jul 10 21:15:32.167460 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_LOG_DIR} is not defined [Fri Jul 10 21:15:32.167680 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_LOG_DIR} is not defined [Fri Jul 10 21:15:32.167712 2020] [core:warn] [pid 49516] AH00111: Config variable ${APACHE_LOG_DIR} is not defined Server version: Apache/2.4.29 (Ubuntu) Server built: 2020-03-13T12:26:16 Server's Module Magic Number: 20120211:68 Server loaded: APR 1.6.3, APR-UTIL 1.6.1 Compiled using: APR 1.6.3, APR-UTIL 1.6.1 Architecture: 64-bit Server MPM: prefork threaded: no forked: yes (variable process count) Regards, Mahmood