Find out what Apache version you are running on Debian

Sat, Jul 8, 2017

Use apache2ctl:

~ # apache2ctl -V

Output:

  Server version: Apache/<version> (<operatingsystem>)
  Server built:   <datetime>
  Server's Module Magic Number: <number>
  Server loaded:  APR <version>, APR-UTIL <version>
  Compiled using: APR <version>, APR-UTIL <version>
  Architecture:   <value>-bit
  Server MPM:     <value>
    threaded:     <value>
    forked:     <value>
  Server compiled with....
   -D <value>
   -D <value>
   -D <value>
     ...