make_sockのエラーせいで、apacheを起動する方法

下記のエラーが発生した際に、apacheが起動できません。
(98)Address already in use: AH00072: make_sock: could not bind to address [::]:80
(98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:80
no listening sockets available, shutting down
AH00015: Unable to open logs


対応方法

   $ fuser -k -n tcp 80

  $ fuser  --help
  ...
Show which processes use the named files, sockets, or filesystems.

  ...
  -k,--kill             kill processes accessing the named file
  ....
  -n,--namespace SPACE  search in this name space (file, udp, or tcp)
  ....