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    Installation of Zabbix in Centos 7

    IT Discussion
    linux zabbix centos 7 centos
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    • scottalanmillerS
      scottalanmiller
      last edited by

      Don't forget a space after all punctuation.

      1 Reply Last reply Reply Quote 0
      • LakshmanaL
        Lakshmana
        last edited by

        Ok.The mysql and LAMP can be installed by the following link provided below

        http://www.unixmen.com/install-lamp-server-apache-mariadb-php-centosrhelscientific-linux-7/

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        • LakshmanaL
          Lakshmana
          last edited by

          Maria DB installation issue, I am facing in this is given below
          [lakshmana@dny-lnx-zabbix ~]$ mysql_secure_installation
          /usr/bin/mysql_secure_installation: line 379: find_mysql_client: command not found

          NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
          SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!

          In order to log into MariaDB to secure it, we'll need the current
          password for the root user. If you've just installed MariaDB, and
          you haven't set the root password yet, the password will be blank,
          so you should just press enter here.

          Enter current password for root (enter for none):
          ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
          Enter current password for root (enter for none):
          ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
          Enter current password for root (enter for none):

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          • scottalanmillerS
            scottalanmiller
            last edited by

            I think that you forgot the step to start the server.

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            • LakshmanaL
              Lakshmana
              last edited by

              Yes, I have started the MariaDB by the following command given below

              sudo systemctl start mariadb
              sudo systemctl enable mariadb

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              • scottalanmillerS
                scottalanmiller
                last edited by

                Use ps to see if it is running.

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                • LakshmanaL
                  Lakshmana
                  last edited by

                  Yes,the MySQL is working

                  [lakshmana@dny-lnx-zabbix ~]$ ps -ef | grep mysql
                  root 27635 27481 0 13:14 pts/4 00:00:00 sudo mysql_secure_installation
                  root 27636 27635 0 13:14 pts/4 00:00:00 /bin/sh /bin/mysql_secure_installation
                  mysql 27770 1 0 13:23 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe --basedir=/usr
                  mysql 27928 27770 0 13:23 ? 00:00:00 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --log-error=/var/log/mariadb/mariadb.log --pid-file=/var/run/mariadb/mariadb.pid --socket=/var/lib/mysql/mysql.sock
                  lakshma+ 28085 27663 0 13:28 pts/5 00:00:00 grep --color=auto mysql

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                  • LakshmanaL
                    Lakshmana
                    last edited by

                    Then I have Set MySQL root password

                    By default, MySQL root password is empty. So, to prevent unauthorized access to MySQL, let us set root user password. Enter the following command to setup mysql root user password:

                    mysql_secure_installation
                    /usr/bin/mysql_secure_installation: line 379: find_mysql_client: command not found

                    NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
                    SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!

                    In order to log into MariaDB to secure it, we'll need the current
                    password for the root user. If you've just installed MariaDB, and
                    you haven't set the root password yet, the password will be blank,
                    so you should just press enter here.

                    Enter current password for root (enter for none):
                    OK, successfully used password, moving on...

                    Setting the root password ensures that nobody can log into the MariaDB
                    root user without the proper authorisation.

                    Set root password? [Y/n] y ## Enter Y and press Enter
                    New password: ## Enter new password
                    Re-enter new password: ## Enter password again
                    Password updated successfully!
                    Reloading privilege tables..
                    ... Success!

                    By default, a MariaDB installation has an anonymous user, allowing anyone
                    to log into MariaDB without having to have a user account created for
                    them. This is intended only for testing, and to make the installation
                    go a bit smoother. You should remove them before moving into a
                    production environment.

                    Remove anonymous users? [Y/n] y ## Enter Y and press Enter
                    ... Success!

                    Normally, root should only be allowed to connect from 'localhost'. This
                    ensures that someone cannot guess at the root password from the network.

                    Disallow root login remotely? [Y/n] y ## Enter Y and press Enter
                    ... Success!

                    By default, MariaDB comes with a database named 'test' that anyone can
                    access. This is also intended only for testing, and should be removed
                    before moving into a production environment.

                    Remove test database and access to it? [Y/n] y ## Enter Y and press Enter

                    • Dropping test database...
                      ... Success!
                    • Removing privileges on test database...
                      ... Success!

                    Reloading the privilege tables will ensure that all changes made so far
                    will take effect immediately.

                    Reload privilege tables now? [Y/n] y ## Enter Y and press Enter
                    ... Success!

                    Cleaning up...

                    All done! If you've completed all of the above steps, your MariaDB
                    installation should now be secure.

                    Thanks for using MariaDB!

                    1 Reply Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller
                      last edited by

                      Looks like you are all set then. What is the issue?

                      1 Reply Last reply Reply Quote 0
                      • LakshmanaL
                        Lakshmana
                        last edited by

                        There is no issue. The installation is going on now

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                        • scottalanmillerS
                          scottalanmiller
                          last edited by

                          Oh okay.

                          1 Reply Last reply Reply Quote 0
                          • LakshmanaL
                            Lakshmana
                            last edited by

                            PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely used open-source general purpose scripting language that is especially suited for web development and can be embedded into HTML.

                            Install PHP with following command:

                            sudo yum install php php-mysql php-gd php-pear -y

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                            • scottalanmillerS
                              scottalanmiller
                              last edited by

                              PHP actually standards of Personal Home Page which makes little sense, bit it was what PHP was created as. The acronym you mention is something new that people have tried to change it to, but PHP was created as Personal Home Page. As a true acronym they can't exactly change it later 😉

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                              • LakshmanaL
                                Lakshmana
                                last edited by

                                The PHP installed by the following command

                                sudo yum install php php-mysql php-gd php-pear -y

                                Test PHP:
                                Create a sample “testphp.php” file in Apache document root folder and append the lines as shown below:

                                vi /var/www/html/testphp.php
                                Add the following lines.

                                <?php
                                phpinfo();
                                ?>
                                Restart httpd service:

                                systemctl restart httpd

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                                • LakshmanaL
                                  Lakshmana
                                  last edited by

                                  Navigate to http://server-ip-address/testphp.php. It will display all the details about php such as version, build date and commands etc.

                                  phpinfo() - Mozilla Firefox_002

                                  If you want to install all php modules, enter the command yum install php* -y and restart the httpd service. To verify for the modules, open web browser and navigate to http://server-ip-address/testphp.php. You will then see all php modules.

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                                  • LakshmanaL
                                    Lakshmana
                                    last edited by

                                    phpMyAdmin is a free open-source web interface tool used to manage your MySQL databases. By default phpMyAdmin will not be not found in CentOS/RHEL/Scientific Linux official repositories. So let us install it from EPEL repository.

                                    To add EPEL repository, just follow the link.

                                    Install EPEL Repository on RHEL/CentOS/Scientific Linux 7
                                    Now, install phpMyAdmin:

                                    sudo yum install phpmyadmin -y
                                    Configure phpMyAdmin
                                    By default, phpMyAdmin can only be accessed from the localhost itself. To make it to accessible globally, do the following steps.

                                    Edit the phpmyadmin.conf file:

                                    vi /etc/httpd/conf.d/phpMyAdmin.conf

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                                    • LakshmanaL
                                      Lakshmana
                                      last edited by

                                      In the above path Why I have to put hashes in the configuration files?

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                                      • scottalanmillerS
                                        scottalanmiller
                                        last edited by

                                        Hashes denote comments.

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                                        • LakshmanaL
                                          Lakshmana
                                          last edited by

                                          Find and comment the whole /<Directory> section and add the lines as shown below:

                                          [...]
                                          Alias /phpMyAdmin /usr/share/phpMyAdmin
                                          Alias /phpmyadmin /usr/share/phpMyAdmin

                                          Comment the following Section

                                          #<Directory /usr/share/phpMyAdmin/>

                                          <IfModule mod_authz_core.c>

                                          # Apache 2.4

                                          <RequireAny>

                                          Require ip 127.0.0.1

                                          Require ip ::1

                                          </RequireAny>

                                          </IfModule>

                                          <IfModule !mod_authz_core.c>

                                          # Apache 2.2

                                          Order Deny,Allow

                                          Deny from All

                                          Allow from 127.0.0.1

                                          Allow from ::1

                                          </IfModule>

                                          #</Directory>

                                          Add the following lines:

                                          <Directory /usr/share/phpMyAdmin/>
                                          Options none
                                          AllowOverride Limit
                                          Require all granted
                                          </Directory>
                                          [...]
                                          Edit “config.inc.php” file and change from “cookie” to “http” to change the authentication in phpMyAdmin:

                                          vi /etc/phpMyAdmin/config.inc.php
                                          Change ‘cookie’ to ‘http’.

                                          [...]
                                          /* Authentication type */
                                          $cfg['Servers'][$i]['auth_type'] = 'http'; // Authentication method (config, http or cookie based)?
                                          [...]
                                          Restart the Apache service:

                                          systemctl restart httpd

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                                          • LakshmanaL
                                            Lakshmana
                                            last edited by

                                            After this step I am unable to login to the Phpadmin page in the browser

                                            1 Reply Last reply Reply Quote 1
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