Почему apache не запускается?

Question

KurtsKhalia @KurtsKhalia

Почему apache не запускается?

При этом если набрать IP сервера в браузере, то выдает стандартную страницу apache "It works!"

● apache2.service - LSB: Apache2 web server                                     
   Loaded: loaded (/etc/init.d/apache2)                                         
  Drop-In: /lib/systemd/system/apache2.service.d                                
           └─forking.conf                                                       
   Active: inactive (dead) since Sun 2017-03-19 14:56:11 MSK; 13s ago           
  Process: 21379 ExecStop=/etc/init.d/apache2 stop (code=exited, status=0/SUCCES
S)                                                                              
  Process: 21363 ExecStart=/etc/init.d/apache2 start (code=exited, status=0/SUCC
ESS)                                                                            
                                                                                
Mar 19 14:56:11 vm115596.local apache2[21363]: Starting web server: apache2(...0
Mar 19 14:56:11 vm115596.local apache2[21363]: (98)Address already in use: A...0
Mar 19 14:56:11 vm115596.local apache2[21363]: no listening sockets availabl...n
Mar 19 14:56:11 vm115596.local apache2[21363]: AH00015: Unable to open logs     
Mar 19 14:56:11 vm115596.local apache2[21363]: Action 'start' failed.           
Mar 19 14:56:11 vm115596.local apache2[21363]: The Apache error log may have....
Mar 19 14:56:11 vm115596.local apache2[21363]: .                                
Mar 19 14:56:11 vm115596.local apache2[21379]: Stopping web server: apache2.

UPD
Вот что выдает netstart -nlp

Active Internet connections (only servers)                                      
Proto Recv-Q Send-Q Local Address           Foreign Address         State       
PID/Program name                                                                
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      
474/sshd                                                                        
tcp        0      0 127.0.0.1:5432          0.0.0.0:*               LISTEN      
881/postgres                                                                    
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      
921/mysqld                                                                      
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      
536/nginx -g daemon                                                             
tcp6       0      0 :::22                   :::*                    LISTEN      
474/sshd                                                                        
tcp6       0      0 :::80                   :::*                    LISTEN      
536/nginx -g daemon                                                             
Active UNIX domain sockets (only servers)                                       
Proto RefCnt Flags       Type       State         I-Node   PID/Program name    P
ath                                                                             
unix  2      [ ACC ]     STREAM     LISTENING     12361    881/postgres        /
var/run/postgresql/.s.PGSQL.5432                                                
unix  2      [ ACC ]     STREAM     LISTENING     12382    921/mysqld          /
var/run/mysqld/mysqld.sock                                                      
unix  2      [ ACC ]     STREAM     LISTENING     8291     1/init              /
run/systemd/private                                                             
unix  2      [ ACC ]     SEQPACKET  LISTENING     8313     1/init              /
run/udev/control                                                                
unix  2      [ ACC ]     STREAM     LISTENING     8316     1/init              /
run/systemd/journal/stdout                                                      
unix  2      [ ACC ]     STREAM     LISTENING     17616    4851/php-fpm.conf)  /
var/run/php5-fpm.sock                                                           
unix  2      [ ACC ]     STREAM     LISTENING     8912     1/init              /
var/run/dbus/system_bus_socket                                                  
unix  2      [ ACC ]     STREAM     LISTENING     8915     1/init              /
run/acpid.socket