Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
  • Search
  • Get Qt Extensions
  • Unsolved
Collapse
Brand Logo
  1. Home
  2. Qt Development
  3. General and Desktop
  4. Qt Remote Database connection
Forum Updated to NodeBB v4.3 + New Features

Qt Remote Database connection

Scheduled Pinned Locked Moved Unsolved General and Desktop
22 Posts 6 Posters 5.7k Views 2 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • dheerendraD Offline
    dheerendraD Offline
    dheerendra
    Qt Champions 2022
    wrote on last edited by
    #7

    Are you able to do ping to remote server ping 112.17.98.18 ?

    Dheerendra
    @Community Service
    Certified Qt Specialist
    http://www.pthinks.com

    T 1 Reply Last reply
    0
    • T Offline
      T Offline
      Tonny
      wrote on last edited by
      #8
      This post is deleted!
      1 Reply Last reply
      0
      • dheerendraD dheerendra

        Are you able to do ping to remote server ping 112.17.98.18 ?

        T Offline
        T Offline
        Tonny
        wrote on last edited by
        #9

        @dheerendra ping command is successfully run,But Telnet is not worked

        1 Reply Last reply
        0
        • dheerendraD Offline
          dheerendraD Offline
          dheerendra
          Qt Champions 2022
          wrote on last edited by
          #10

          112.17.98.18 is this in LAN ? Hope there is no firewall etc between your box and 112.17.98.18.
          Since telnet is not able to connect to port 111 are you sure that SQL is running at the port 111 ?

          Dheerendra
          @Community Service
          Certified Qt Specialist
          http://www.pthinks.com

          T 1 Reply Last reply
          0
          • jsulmJ jsulm

            @Tonny said in Qt Remote Database connection:

            But when i connecting the localhost it does not show any error

            And does it connect then?
            Did you try to connect using MySQL client?

            T Offline
            T Offline
            Tonny
            wrote on last edited by
            #11

            @jsulm mysql client?Please give the procedure to connect it.

            jsulmJ 1 Reply Last reply
            0
            • dheerendraD dheerendra

              112.17.98.18 is this in LAN ? Hope there is no firewall etc between your box and 112.17.98.18.
              Since telnet is not able to connect to port 111 are you sure that SQL is running at the port 111 ?

              T Offline
              T Offline
              Tonny
              wrote on last edited by
              #12

              @dheerendra
              Sir SQL is not running in the port 111.Sql port is 3306 ..

              1 Reply Last reply
              0
              • dheerendraD Offline
                dheerendraD Offline
                dheerendra
                Qt Champions 2022
                wrote on last edited by
                #13

                OK can you check telnet 112.17.98.18 3306 ? Does it work ? If it work, atleast DB is up at that port.

                Dheerendra
                @Community Service
                Certified Qt Specialist
                http://www.pthinks.com

                T 1 Reply Last reply
                0
                • dheerendraD dheerendra

                  OK can you check telnet 112.17.98.18 3306 ? Does it work ? If it work, atleast DB is up at that port.

                  T Offline
                  T Offline
                  Tonny
                  wrote on last edited by
                  #14

                  @dheerendra sir it shows telnet: Unable to connect to remote host: Connection refused

                  1 Reply Last reply
                  0
                  • dheerendraD Offline
                    dheerendraD Offline
                    dheerendra
                    Qt Champions 2022
                    wrote on last edited by
                    #15

                    If you have access to the DB Server box, can you login to the system. In same system can you try to do telnet <IP> Port#. Just check the configuration of the remote sql server. Is it configured to listen for network connections also ?

                    Dheerendra
                    @Community Service
                    Certified Qt Specialist
                    http://www.pthinks.com

                    T 1 Reply Last reply
                    0
                    • T Tonny

                      @jsulm mysql client?Please give the procedure to connect it.

                      jsulmJ Offline
                      jsulmJ Offline
                      jsulm
                      Lifetime Qt Champion
                      wrote on last edited by
                      #16

                      @Tonny said in Qt Remote Database connection:

                      mysql client?Please give the procedure to connect it.

                      https://dev.mysql.com/doc/refman/8.0/en/mysql.html

                      https://forum.qt.io/topic/113070/qt-code-of-conduct

                      1 Reply Last reply
                      0
                      • dheerendraD dheerendra

                        If you have access to the DB Server box, can you login to the system. In same system can you try to do telnet <IP> Port#. Just check the configuration of the remote sql server. Is it configured to listen for network connections also ?

                        T Offline
                        T Offline
                        Tonny
                        wrote on last edited by
                        #17

                        @dheerendra Sir error solved.
                        Sir can you please tell me how to sent values through http protocol using qt creator in the REST API
                        please?Is there any solution for that sir

                        jsulmJ 1 Reply Last reply
                        0
                        • dheerendraD Offline
                          dheerendraD Offline
                          dheerendra
                          Qt Champions 2022
                          wrote on last edited by
                          #18

                          What was the issue ? Please provide the details here. It helps others. You can move the issue to SOLVED state.

                          Dheerendra
                          @Community Service
                          Certified Qt Specialist
                          http://www.pthinks.com

                          T 1 Reply Last reply
                          0
                          • dheerendraD dheerendra

                            What was the issue ? Please provide the details here. It helps others. You can move the issue to SOLVED state.

                            T Offline
                            T Offline
                            Tonny
                            wrote on last edited by
                            #19

                            @dheerendra bind address commented. it was 127.0.0.1 (/etc/mysql/mysql.cnf);

                            1 Reply Last reply
                            0
                            • dheerendraD Offline
                              dheerendraD Offline
                              dheerendra
                              Qt Champions 2022
                              wrote on last edited by
                              #20

                              Your server was configured to listen only for local IP address. You tried to connect to server remotely. This was the issue.

                              Dheerendra
                              @Community Service
                              Certified Qt Specialist
                              http://www.pthinks.com

                              1 Reply Last reply
                              0
                              • T Tonny

                                @dheerendra Sir error solved.
                                Sir can you please tell me how to sent values through http protocol using qt creator in the REST API
                                please?Is there any solution for that sir

                                jsulmJ Offline
                                jsulmJ Offline
                                jsulm
                                Lifetime Qt Champion
                                wrote on last edited by
                                #21

                                @Tonny said in Qt Remote Database connection:

                                Sir can you please tell me how to sent values through http protocol using qt creator in the REST API

                                It's Qt not QtCreator. QtCreator is an IDE.
                                See https://doc.qt.io/qt-5.11/qtnetwork-programming.html

                                https://forum.qt.io/topic/113070/qt-code-of-conduct

                                1 Reply Last reply
                                3
                                • W Offline
                                  W Offline
                                  web_betreuer
                                  wrote on last edited by web_betreuer
                                  #22

                                  Mysql or mariadb listen by default to the loopback address 127.0.0.1
                                  you can change this values to the real local networkaddress in
                                  /etc/mysql/ mysqld.cnf

                                  bind-address = 192.178.xx.xx
                                  mysqlx-bind-address = 192.178.xx.xx

                                  restart the sql.
                                  that's it

                                  1 Reply Last reply
                                  0

                                  • Login

                                  • Login or register to search.
                                  • First post
                                    Last post
                                  0
                                  • Categories
                                  • Recent
                                  • Tags
                                  • Popular
                                  • Users
                                  • Groups
                                  • Search
                                  • Get Qt Extensions
                                  • Unsolved