unable to start nginx on centos 7












3














service nginx start

Redirecting to /bin/systemctl start  nginx.service

Job for nginx.service failed. See 'systemctl status nginx.service' and 'journalctl -xn' for details.



[root@myvps ~]# systemctl status nginx.service

nginx.service - The nginx HTTP and reverse proxy server

   Loaded: loaded (/usr/lib/systemd/system/nginx.service; disabled)

   Active: failed (Result: exit-code) since Tue 2014-12-23 03:48:02 EST; 10s ago

  Process: 19895 ExecStart=/usr/sbin/nginx (code=exited, status=1/FAILURE)

  Process: 19892 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS)



Dec 23 03:48:00 myvps nginx[19892]: nginx: configuration file /etc/nginx...ul

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] still could not bind()

Dec 23 03:48:02 myvps systemd[1]: nginx.service: control process exited,...=1

Dec 23 03:48:02 myvps systemd[1]: Failed to start The nginx HTTP and rev...r.

Dec 23 03:48:02 myvps systemd[1]: Unit nginx.service entered failed state.

Hint: Some lines were ellipsized, use -l to show in full.



[root@myvps ~]# journalctl -xn

-- Logs begin at Mon 2014-12-22 15:26:47 EST, end at Tue 2014-12-23 03:48:02 EST

Dec 23 03:48:00 myvps nginx[19892]: nginx: configuration file /etc/nginx/ngin

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] still could not bind()

Dec 23 03:48:02 myvps systemd[1]: nginx.service: control process exited, code

Dec 23 03:48:02 myvps systemd[1]: Failed to start The nginx HTTP and reverse 

-- Subject: Unit nginx.service has failed

-- Defined-By: systemd

-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

-- 

-- Unit nginx.service has failed.

-- 

-- The result is failed.

Dec 23 03:48:02 myvps systemd[1]: Unit nginx.service entered failed state.


and /lib/systemd/system/nginx-service



[Unit]

Description=The nginx HTTP and reverse proxy server

After=syslog.target network.target remote-fs.target nss-lookup.target



    [Service]

    Type=forking

    PIDFile=/run/nginx.pid

    ExecStartPre=/usr/sbin/nginx -t

    ExecStart=/usr/sbin/nginx

    ExecReload=/bin/kill -s HUP $MAINPID

    ExecStop=/bin/kill -s QUIT $MAINPID

    PrivateTmp=true



    [Install]

    WantedBy=multi-user.target


and 



nginx -t

nginx: the configuration file /etc/nginx/nginx.conf syntax is ok

nginx: configuration file /etc/nginx/nginx.conf test is successful


and



netstat -tulpn

Active Internet connections (only servers)

Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    

tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      17005/mysqld        

tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      769/sshd            

tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      772/sendmail: accep 

tcp6       0      0 :::80                   :::*                    LISTEN      1373/httpd          

tcp6       0      0 :::22                   :::*                    LISTEN      769/sshd


I installed nginx-1.6.2-4.el7.x86_64 on my centos 7 64 bit using Epel 7.5






centos nginx







share|improve this question




















  • 1




    nginx: [emerg] bind() to 0.0.0.0:80 faile ---> check if there are other process listen in port 80. For example, run netstat -tulpn
    – masegaloeh
    Dec 23 '14 at 9:09












  • @masegaloeh I edit my question
    – Lynob
    Dec 23 '14 at 9:24
















3














service nginx start

Redirecting to /bin/systemctl start  nginx.service

Job for nginx.service failed. See 'systemctl status nginx.service' and 'journalctl -xn' for details.



[root@myvps ~]# systemctl status nginx.service

nginx.service - The nginx HTTP and reverse proxy server

   Loaded: loaded (/usr/lib/systemd/system/nginx.service; disabled)

   Active: failed (Result: exit-code) since Tue 2014-12-23 03:48:02 EST; 10s ago

  Process: 19895 ExecStart=/usr/sbin/nginx (code=exited, status=1/FAILURE)

  Process: 19892 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS)



Dec 23 03:48:00 myvps nginx[19892]: nginx: configuration file /etc/nginx...ul

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] still could not bind()

Dec 23 03:48:02 myvps systemd[1]: nginx.service: control process exited,...=1

Dec 23 03:48:02 myvps systemd[1]: Failed to start The nginx HTTP and rev...r.

Dec 23 03:48:02 myvps systemd[1]: Unit nginx.service entered failed state.

Hint: Some lines were ellipsized, use -l to show in full.



[root@myvps ~]# journalctl -xn

-- Logs begin at Mon 2014-12-22 15:26:47 EST, end at Tue 2014-12-23 03:48:02 EST

Dec 23 03:48:00 myvps nginx[19892]: nginx: configuration file /etc/nginx/ngin

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] still could not bind()

Dec 23 03:48:02 myvps systemd[1]: nginx.service: control process exited, code

Dec 23 03:48:02 myvps systemd[1]: Failed to start The nginx HTTP and reverse 

-- Subject: Unit nginx.service has failed

-- Defined-By: systemd

-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

-- 

-- Unit nginx.service has failed.

-- 

-- The result is failed.

Dec 23 03:48:02 myvps systemd[1]: Unit nginx.service entered failed state.


and /lib/systemd/system/nginx-service



[Unit]

Description=The nginx HTTP and reverse proxy server

After=syslog.target network.target remote-fs.target nss-lookup.target



    [Service]

    Type=forking

    PIDFile=/run/nginx.pid

    ExecStartPre=/usr/sbin/nginx -t

    ExecStart=/usr/sbin/nginx

    ExecReload=/bin/kill -s HUP $MAINPID

    ExecStop=/bin/kill -s QUIT $MAINPID

    PrivateTmp=true



    [Install]

    WantedBy=multi-user.target


and 



nginx -t

nginx: the configuration file /etc/nginx/nginx.conf syntax is ok

nginx: configuration file /etc/nginx/nginx.conf test is successful


and



netstat -tulpn

Active Internet connections (only servers)

Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    

tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      17005/mysqld        

tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      769/sshd            

tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      772/sendmail: accep 

tcp6       0      0 :::80                   :::*                    LISTEN      1373/httpd          

tcp6       0      0 :::22                   :::*                    LISTEN      769/sshd


I installed nginx-1.6.2-4.el7.x86_64 on my centos 7 64 bit using Epel 7.5






centos nginx







share|improve this question




















  • 1




    nginx: [emerg] bind() to 0.0.0.0:80 faile ---> check if there are other process listen in port 80. For example, run netstat -tulpn
    – masegaloeh
    Dec 23 '14 at 9:09












  • @masegaloeh I edit my question
    – Lynob
    Dec 23 '14 at 9:24














3












3








3







service nginx start

Redirecting to /bin/systemctl start  nginx.service

Job for nginx.service failed. See 'systemctl status nginx.service' and 'journalctl -xn' for details.



[root@myvps ~]# systemctl status nginx.service

nginx.service - The nginx HTTP and reverse proxy server

   Loaded: loaded (/usr/lib/systemd/system/nginx.service; disabled)

   Active: failed (Result: exit-code) since Tue 2014-12-23 03:48:02 EST; 10s ago

  Process: 19895 ExecStart=/usr/sbin/nginx (code=exited, status=1/FAILURE)

  Process: 19892 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS)



Dec 23 03:48:00 myvps nginx[19892]: nginx: configuration file /etc/nginx...ul

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] still could not bind()

Dec 23 03:48:02 myvps systemd[1]: nginx.service: control process exited,...=1

Dec 23 03:48:02 myvps systemd[1]: Failed to start The nginx HTTP and rev...r.

Dec 23 03:48:02 myvps systemd[1]: Unit nginx.service entered failed state.

Hint: Some lines were ellipsized, use -l to show in full.



[root@myvps ~]# journalctl -xn

-- Logs begin at Mon 2014-12-22 15:26:47 EST, end at Tue 2014-12-23 03:48:02 EST

Dec 23 03:48:00 myvps nginx[19892]: nginx: configuration file /etc/nginx/ngin

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] still could not bind()

Dec 23 03:48:02 myvps systemd[1]: nginx.service: control process exited, code

Dec 23 03:48:02 myvps systemd[1]: Failed to start The nginx HTTP and reverse 

-- Subject: Unit nginx.service has failed

-- Defined-By: systemd

-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

-- 

-- Unit nginx.service has failed.

-- 

-- The result is failed.

Dec 23 03:48:02 myvps systemd[1]: Unit nginx.service entered failed state.


and /lib/systemd/system/nginx-service



[Unit]

Description=The nginx HTTP and reverse proxy server

After=syslog.target network.target remote-fs.target nss-lookup.target



    [Service]

    Type=forking

    PIDFile=/run/nginx.pid

    ExecStartPre=/usr/sbin/nginx -t

    ExecStart=/usr/sbin/nginx

    ExecReload=/bin/kill -s HUP $MAINPID

    ExecStop=/bin/kill -s QUIT $MAINPID

    PrivateTmp=true



    [Install]

    WantedBy=multi-user.target


and 



nginx -t

nginx: the configuration file /etc/nginx/nginx.conf syntax is ok

nginx: configuration file /etc/nginx/nginx.conf test is successful


and



netstat -tulpn

Active Internet connections (only servers)

Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    

tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      17005/mysqld        

tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      769/sshd            

tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      772/sendmail: accep 

tcp6       0      0 :::80                   :::*                    LISTEN      1373/httpd          

tcp6       0      0 :::22                   :::*                    LISTEN      769/sshd


I installed nginx-1.6.2-4.el7.x86_64 on my centos 7 64 bit using Epel 7.5






centos nginx







share|improve this question















service nginx start

Redirecting to /bin/systemctl start  nginx.service

Job for nginx.service failed. See 'systemctl status nginx.service' and 'journalctl -xn' for details.



[root@myvps ~]# systemctl status nginx.service

nginx.service - The nginx HTTP and reverse proxy server

   Loaded: loaded (/usr/lib/systemd/system/nginx.service; disabled)

   Active: failed (Result: exit-code) since Tue 2014-12-23 03:48:02 EST; 10s ago

  Process: 19895 ExecStart=/usr/sbin/nginx (code=exited, status=1/FAILURE)

  Process: 19892 ExecStartPre=/usr/sbin/nginx -t (code=exited, status=0/SUCCESS)



Dec 23 03:48:00 myvps nginx[19892]: nginx: configuration file /etc/nginx...ul

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 ...e)

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] still could not bind()

Dec 23 03:48:02 myvps systemd[1]: nginx.service: control process exited,...=1

Dec 23 03:48:02 myvps systemd[1]: Failed to start The nginx HTTP and rev...r.

Dec 23 03:48:02 myvps systemd[1]: Unit nginx.service entered failed state.

Hint: Some lines were ellipsized, use -l to show in full.



[root@myvps ~]# journalctl -xn

-- Logs begin at Mon 2014-12-22 15:26:47 EST, end at Tue 2014-12-23 03:48:02 EST

Dec 23 03:48:00 myvps nginx[19892]: nginx: configuration file /etc/nginx/ngin

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:00 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:01 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] bind() to 0.0.0.0:80 faile

Dec 23 03:48:02 myvps nginx[19895]: nginx: [emerg] still could not bind()

Dec 23 03:48:02 myvps systemd[1]: nginx.service: control process exited, code

Dec 23 03:48:02 myvps systemd[1]: Failed to start The nginx HTTP and reverse 

-- Subject: Unit nginx.service has failed

-- Defined-By: systemd

-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel

-- 

-- Unit nginx.service has failed.

-- 

-- The result is failed.

Dec 23 03:48:02 myvps systemd[1]: Unit nginx.service entered failed state.


and /lib/systemd/system/nginx-service



[Unit]

Description=The nginx HTTP and reverse proxy server

After=syslog.target network.target remote-fs.target nss-lookup.target



    [Service]

    Type=forking

    PIDFile=/run/nginx.pid

    ExecStartPre=/usr/sbin/nginx -t

    ExecStart=/usr/sbin/nginx

    ExecReload=/bin/kill -s HUP $MAINPID

    ExecStop=/bin/kill -s QUIT $MAINPID

    PrivateTmp=true



    [Install]

    WantedBy=multi-user.target


and 



nginx -t

nginx: the configuration file /etc/nginx/nginx.conf syntax is ok

nginx: configuration file /etc/nginx/nginx.conf test is successful


and



netstat -tulpn

Active Internet connections (only servers)

Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    

tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      17005/mysqld        

tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      769/sshd            

tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      772/sendmail: accep 

tcp6       0      0 :::80                   :::*                    LISTEN      1373/httpd          

tcp6       0      0 :::22                   :::*                    LISTEN      769/sshd


I installed nginx-1.6.2-4.el7.x86_64 on my centos 7 64 bit using Epel 7.5






centos nginx




centos nginx






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 23 '14 at 9:23

























asked Dec 23 '14 at 9:02









Lynob

1,368102557




1,368102557








  • 1




    nginx: [emerg] bind() to 0.0.0.0:80 faile ---> check if there are other process listen in port 80. For example, run netstat -tulpn
    – masegaloeh
    Dec 23 '14 at 9:09












  • @masegaloeh I edit my question
    – Lynob
    Dec 23 '14 at 9:24














  • 1




    nginx: [emerg] bind() to 0.0.0.0:80 faile ---> check if there are other process listen in port 80. For example, run netstat -tulpn
    – masegaloeh
    Dec 23 '14 at 9:09












  • @masegaloeh I edit my question
    – Lynob
    Dec 23 '14 at 9:24








1




1




nginx: [emerg] bind() to 0.0.0.0:80 faile ---> check if there are other process listen in port 80. For example, run netstat -tulpn
– masegaloeh
Dec 23 '14 at 9:09






nginx: [emerg] bind() to 0.0.0.0:80 faile ---> check if there are other process listen in port 80. For example, run netstat -tulpn
– masegaloeh
Dec 23 '14 at 9:09














@masegaloeh I edit my question
– Lynob
Dec 23 '14 at 9:24




@masegaloeh I edit my question
– Lynob
Dec 23 '14 at 9:24










2 Answers
2






active

oldest

votes


















3














As @masegaloeh says, you have another process listening on port 80, in this case httpd. You'll need to stop that service first (and probably want to disable it on boot).



To stop Apache;



systemctl stop httpd


To stop Apache starting on boot;



systemctl disable httpd





share|improve this answer





















  • true true everytime i install nginx i forget to stop apache, i keep forgetting about it
    – Lynob
    Dec 23 '14 at 9:27



















0














A port can't handle two services at same time.



systemctl stop httpd



systemctl disable httpd



Then



systemctl restart nginx






share|improve this answer








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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    3














    As @masegaloeh says, you have another process listening on port 80, in this case httpd. You'll need to stop that service first (and probably want to disable it on boot).



    To stop Apache;



    systemctl stop httpd


    To stop Apache starting on boot;



    systemctl disable httpd





    share|improve this answer





















    • true true everytime i install nginx i forget to stop apache, i keep forgetting about it
      – Lynob
      Dec 23 '14 at 9:27
















    3














    As @masegaloeh says, you have another process listening on port 80, in this case httpd. You'll need to stop that service first (and probably want to disable it on boot).



    To stop Apache;



    systemctl stop httpd


    To stop Apache starting on boot;



    systemctl disable httpd





    share|improve this answer





















    • true true everytime i install nginx i forget to stop apache, i keep forgetting about it
      – Lynob
      Dec 23 '14 at 9:27














    3












    3








    3






    As @masegaloeh says, you have another process listening on port 80, in this case httpd. You'll need to stop that service first (and probably want to disable it on boot).



    To stop Apache;



    systemctl stop httpd


    To stop Apache starting on boot;



    systemctl disable httpd





    share|improve this answer












    As @masegaloeh says, you have another process listening on port 80, in this case httpd. You'll need to stop that service first (and probably want to disable it on boot).



    To stop Apache;



    systemctl stop httpd


    To stop Apache starting on boot;



    systemctl disable httpd






    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Dec 23 '14 at 9:24









    Chris Davidson

    1,157610




    1,157610












    • true true everytime i install nginx i forget to stop apache, i keep forgetting about it
      – Lynob
      Dec 23 '14 at 9:27


















    • true true everytime i install nginx i forget to stop apache, i keep forgetting about it
      – Lynob
      Dec 23 '14 at 9:27
















    true true everytime i install nginx i forget to stop apache, i keep forgetting about it
    – Lynob
    Dec 23 '14 at 9:27




    true true everytime i install nginx i forget to stop apache, i keep forgetting about it
    – Lynob
    Dec 23 '14 at 9:27













    0














    A port can't handle two services at same time.



    systemctl stop httpd



    systemctl disable httpd



    Then



    systemctl restart nginx






    share|improve this answer








    New contributor




    Heshan Dharmasena is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      0














      A port can't handle two services at same time.



      systemctl stop httpd



      systemctl disable httpd



      Then



      systemctl restart nginx






      share|improve this answer








      New contributor




      Heshan Dharmasena is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





















        0












        0








        0






        A port can't handle two services at same time.



        systemctl stop httpd



        systemctl disable httpd



        Then



        systemctl restart nginx






        share|improve this answer








        New contributor




        Heshan Dharmasena is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.









        A port can't handle two services at same time.



        systemctl stop httpd



        systemctl disable httpd



        Then



        systemctl restart nginx







        share|improve this answer








        New contributor




        Heshan Dharmasena is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.









        share|improve this answer



        share|improve this answer






        New contributor




        Heshan Dharmasena is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.









        answered 15 mins ago









        Heshan Dharmasena

        1




        1




        New contributor




        Heshan Dharmasena is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.





        New contributor





        Heshan Dharmasena is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.






        Heshan Dharmasena is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
        Check out our Code of Conduct.






























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