/etc/apache2/envvars; apache2 -X
bash: /etc/apache2/envvars: Permission denied
[Tue Dec 13 16:39:12.634932 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOCK_DIR} is not defined
[Tue Dec 13 16:39:12.634987 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_PID_FILE} is not defined
[Tue Dec 13 16:39:12.635000 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_RUN_USER} is not defined
[Tue Dec 13 16:39:12.635006 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_RUN_GROUP} is not defined
[Tue Dec 13 16:39:12.635019 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
[Tue Dec 13 16:39:12.640493 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_RUN_DIR} is not defined
[Tue Dec 13 16:39:12.640701 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
[Tue Dec 13 16:39:12.640850 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
[Tue Dec 13 16:39:12.640867 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
[Tue Dec 13 16:39:12.640943 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
[Tue Dec 13 16:39:12.640957 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
[Tue Dec 13 16:39:12.641051 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
[Tue Dec 13 16:39:12.641064 2016] [core:warn] [pid 2668] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
AH00526: Syntax error on line 74 of /etc/apache2/apache2.conf:
Invalid Mutex directory in argument file:${APACHE_LOCK_DIR}