root@deploy-keystone-container-ad839eb8:~# netstat -tap
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 *:ssh                   *:*                     LISTEN      196/sshd
tcp6       0      0 [::]:35357              [::]:*                  LISTEN      20064/apache2
tcp6       0      0 [::]:5000               [::]:*                  LISTEN      20064/apache2
tcp6       0      0 [::]:ssh                [::]:*                  LISTEN      196/sshd
root@deploy-keystone-container-ad839eb8:~# systemctl restart apache2.service
root@deploy-keystone-container-ad839eb8:~# netstat -tap
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 *:ssh                   *:*                     LISTEN      196/sshd
tcp6       0      0 [::]:35357              [::]:*                  LISTEN      20205/apache2
tcp6       0      0 [::]:5000               [::]:*                  LISTEN      20205/apache2
tcp6       0      0 [::]:ssh                [::]:*                  LISTEN      196/sshd
root@deploy-keystone-container-ad839eb8:~#