How to Install MySQL 8.0 on Linux RHEL

How to Install MySQL 8.0 on Linux RHEL: In this article we will discuss about How to Install MySQL 8.0 on Linux RHEL step by step.

Steps to install MySQL server:

Step-1 Download and add MySQL Yum Repository to Linux Repository.

On RHEL/CentOS 8 ---------------

# wget https://repo.mysql.com/mysql80-community-release-el8-1.noarch.rpm


On RHEL/CentOS 7 ---------------

# wget https://repo.mysql.com/mysql80-community-release-el7-1.noarch.rpm


On RHEL/CentOS 6 ---------------

# wget https://dev.mysql.com/get/mysql80-community-release-el6-1.noarch.rpm

In my case i am using RHEL 7. So i use below command :

[root@vm-4 ~]#
[root@vm-4 ~]# wget https://repo.mysql.com/mysql80-community-release-el7-1.noarch.rpm

--2021-01-02 19:34:57--  https://repo.mysql.com/mysql80-community-release-el7-1.noarch.rpm
Resolving repo.mysql.com (repo.mysql.com)... 104.73.164.232
Connecting to repo.mysql.com (repo.mysql.com)|104.73.164.232|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 25820 (25K) [application/x-redhat-package-manager]
Saving to: ‘mysql80-community-release-el7-1.noarch.rpm’

100%[==============================================================================================================================>] 25,820      --.-K/s   in 0.001s

2021-01-02 19:34:57 (48.3 MB/s) - ‘mysql80-community-release-el7-1.noarch.rpm’ saved [25820/25820]

[root@vm-4 ~]#

Step-2 Install the downloaded package by using below command.

On RHEL/CentOS 8 ---------------

# yum localinstall mysql80-community-release-el8-1.noarch.rpm


On RHEL/CentOS 7 ---------------

# yum localinstall mysql80-community-release-el7-1.noarch.rpm


On RHEL/CentOS 6 ---------------

# yum localinstall mysql80-community-release-el6-1.noarch.rpm

In my case i am using RHEL 7. So i use below command :

[root@vm-4 ~]#
[root@vm-4 ~]# yum localinstall mysql80-community-release-el7-1.noarch.rpm
Loaded plugins: langpacks, ulninfo
Examining mysql80-community-release-el7-1.noarch.rpm: mysql80-community-release-el7-1.noarch
Marking mysql80-community-release-el7-1.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package mysql80-community-release.noarch 0:el7-1 will be installed
--> Finished Dependency Resolution
ol7_UEKR5/x86_64                                                                                                                                 | 2.5 kB  00:00:00
ol7_latest/x86_64                                                                                                                                | 2.7 kB  00:00:00

Dependencies Resolved

========================================================================================================================================================================
 Package                                       Arch                       Version                     Repository                                                   Size
========================================================================================================================================================================
Installing:
 mysql80-community-release                     noarch                     el7-1                       /mysql80-community-release-el7-1.noarch                      31 k

Transaction Summary
========================================================================================================================================================================
Install  1 Package

Total size: 31 k
Installed size: 31 k
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : mysql80-community-release-el7-1.noarch                                                                                                               1/1
  Verifying  : mysql80-community-release-el7-1.noarch                                                                                                               1/1

Installed:
  mysql80-community-release.noarch 0:el7-1

Complete!
[root@vm-4 ~]#

Step-3 Verify that the MySQL Yum repository has been added successfully

[root@vm-4 ~]#
[root@vm-4 ~]# yum repolist enabled | grep "mysql.*-community.*"
mysql-connectors-community/x86_64 MySQL Connectors Community                 175
mysql-tools-community/x86_64      MySQL Tools Community                      120
mysql80-community/x86_64          MySQL 8.0 Community Server                 211
[root@vm-4 ~]#

Step-4 Install latest MySQL that is going to be MySQL 8.0 :

[root@vm-4 ~]#
[root@vm-4 ~]# yum install mysql-community-server
Loaded plugins: langpacks, ulninfo
Resolving Dependencies
--> Running transaction check
---> Package mariadb.x86_64 1:5.5.65-1.el7 will be obsoleted
--> Processing Dependency: mariadb(x86-64) = 1:5.5.65-1.el7 for package: 1:mariadb-server-5.5.65-1.el7.x86_64
---> Package mysql-community-client.x86_64 0:8.0.22-1.el7 will be obsoleting
--> Processing Dependency: mysql-community-client-plugins = 8.0.22-1.el7 for package: mysql-community-client-8.0.22-1.el7.x86_64
--> Processing Dependency: mysql-community-libs(x86-64) >= 8.0.11 for package: mysql-community-client-8.0.22-1.el7.x86_64
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.65-1.el7 will be obsoleted
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 1:net-snmp-5.7.2-47.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: perl-DBD-MySQL-4.023-6.0.1.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 2:postfix-2.10.1-9.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 1:net-snmp-agent-libs-5.7.2-47.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 1:qt-mysql-4.8.7-8.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: perl-DBD-MySQL-4.023-6.0.1.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 2:postfix-2.10.1-9.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 1:net-snmp-agent-libs-5.7.2-47.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 1:qt-mysql-4.8.7-8.el7.x86_64
---> Package mariadb-server.x86_64 1:5.5.65-1.el7 will be obsoleted
---> Package mysql-community-client-plugins.x86_64 0:8.0.22-1.el7 will be installed
---> Package mysql-community-libs.x86_64 0:8.0.22-1.el7 will be obsoleting
--> Processing Dependency: mysql-community-common(x86-64) >= 8.0.11 for package: mysql-community-libs-8.0.22-1.el7.x86_64
---> Package mysql-community-server.x86_64 0:8.0.22-1.el7 will be obsoleting
--> Running transaction check
---> Package mysql-community-common.x86_64 0:8.0.22-1.el7 will be installed
---> Package mysql-community-libs-compat.x86_64 0:8.0.22-1.el7 will be obsoleting
---> Package net-snmp.x86_64 1:5.7.2-47.el7 will be updated
---> Package net-snmp.x86_64 1:5.7.2-49.el7_9.1 will be an update
--> Processing Dependency: net-snmp-libs = 1:5.7.2-49.el7_9.1 for package: 1:net-snmp-5.7.2-49.el7_9.1.x86_64
---> Package net-snmp-agent-libs.x86_64 1:5.7.2-47.el7 will be updated
---> Package net-snmp-agent-libs.x86_64 1:5.7.2-49.el7_9.1 will be an update
---> Package qt-mysql.x86_64 1:4.8.7-8.el7 will be updated
---> Package qt-mysql.x86_64 1:4.8.7-9.el7_9 will be an update
--> Processing Dependency: qt(x86-64) = 1:4.8.7-9.el7_9 for package: 1:qt-mysql-4.8.7-9.el7_9.x86_64
--> Running transaction check
---> Package net-snmp-libs.x86_64 1:5.7.2-47.el7 will be updated
--> Processing Dependency: net-snmp-libs = 1:5.7.2-47.el7 for package: 1:net-snmp-utils-5.7.2-47.el7.x86_64
---> Package net-snmp-libs.x86_64 1:5.7.2-49.el7_9.1 will be an update
---> Package qt.x86_64 1:4.8.7-8.el7 will be updated
--> Processing Dependency: qt(x86-64) = 1:4.8.7-8.el7 for package: 1:qt-x11-4.8.7-8.el7.x86_64
---> Package qt.x86_64 1:4.8.7-9.el7_9 will be an update
--> Running transaction check
---> Package net-snmp-utils.x86_64 1:5.7.2-47.el7 will be updated
---> Package net-snmp-utils.x86_64 1:5.7.2-49.el7_9.1 will be an update
---> Package qt-x11.x86_64 1:4.8.7-8.el7 will be updated
---> Package qt-x11.x86_64 1:4.8.7-9.el7_9 will be an update
--> Finished Dependency Resolution

Dependencies Resolved

========================================================================================================================================================================
 Package                                             Arch                        Version                                   Repository                              Size
========================================================================================================================================================================
Installing:
 mysql-community-client                              x86_64                      8.0.22-1.el7                              mysql80-community                       48 M
     replacing  mariadb.x86_64 1:5.5.65-1.el7
 mysql-community-libs                                x86_64                      8.0.22-1.el7                              mysql80-community                      4.6 M
     replacing  mariadb-libs.x86_64 1:5.5.65-1.el7
 mysql-community-libs-compat                         x86_64                      8.0.22-1.el7                              mysql80-community                      1.2 M
     replacing  mariadb-libs.x86_64 1:5.5.65-1.el7
 mysql-community-server                              x86_64                      8.0.22-1.el7                              mysql80-community                      510 M
     replacing  mariadb-server.x86_64 1:5.5.65-1.el7
Installing for dependencies:
 mysql-community-client-plugins                      x86_64                      8.0.22-1.el7                              mysql80-community                      235 k
 mysql-community-common                              x86_64                      8.0.22-1.el7                              mysql80-community                      616 k
Updating for dependencies:
 net-snmp                                            x86_64                      1:5.7.2-49.el7_9.1                        ol7_latest                             324 k
 net-snmp-agent-libs                                 x86_64                      1:5.7.2-49.el7_9.1                        ol7_latest                             706 k
 net-snmp-libs                                       x86_64                      1:5.7.2-49.el7_9.1                        ol7_latest                             751 k
 net-snmp-utils                                      x86_64                      1:5.7.2-49.el7_9.1                        ol7_latest                             200 k
 qt                                                  x86_64                      1:4.8.7-9.el7_9                           ol7_latest                             4.6 M
 qt-mysql                                            x86_64                      1:4.8.7-9.el7_9                           ol7_latest                              31 k
 qt-x11                                              x86_64                      1:4.8.7-9.el7_9                           ol7_latest                              13 M

Transaction Summary
========================================================================================================================================================================
Install  4 Packages (+2 Dependent packages)
Upgrade             ( 7 Dependent packages)

Total size: 583 M
Total download size: 564 M
Is this ok [y/d/N]: y
Downloading packages:
warning: /var/cache/yum/x86_64/7Server/mysql80-community/packages/mysql-community-client-plugins-8.0.22-1.el7.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Public key for mysql-community-client-plugins-8.0.22-1.el7.x86_64.rpm is not installed
(1/6): mysql-community-client-plugins-8.0.22-1.el7.x86_64.rpm                                                                                    | 235 kB  00:00:00
(2/6): mysql-community-common-8.0.22-1.el7.x86_64.rpm                                                                                            | 616 kB  00:00:00
(3/6): mysql-community-libs-8.0.22-1.el7.x86_64.rpm                                                                                              | 4.6 MB  00:00:01
(4/6): mysql-community-libs-compat-8.0.22-1.el7.x86_64.rpm                                                                                       | 1.2 MB  00:00:00
(5/6): mysql-community-client-8.0.22-1.el7.x86_64.rpm                                                                                            |  48 MB  00:00:16
(6/6): mysql-community-server-8.0.22-1.el7.x86_64.rpm                                                                                            | 510 MB  00:01:38
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                   5.5 MB/s | 564 MB  00:01:42
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Importing GPG key 0x5072E1F5:
 Userid     : "MySQL Release Engineering <mysql-build@oss.oracle.com>"
 Fingerprint: a4a9 4068 76fc bd3c 4567 70c8 8c71 8d3b 5072 e1f5
 Package    : mysql80-community-release-el7-1.noarch (@/mysql80-community-release-el7-1.noarch)
 From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Updating   : 1:net-snmp-libs-5.7.2-49.el7_9.1.x86_64                                                                                                             1/23
  Installing : mysql-community-client-plugins-8.0.22-1.el7.x86_64                                                                                                  2/23
  Updating   : 1:qt-4.8.7-9.el7_9.x86_64                                                                                                                           3/23
  Installing : mysql-community-common-8.0.22-1.el7.x86_64                                                                                                          4/23
  Installing : mysql-community-libs-8.0.22-1.el7.x86_64                                                                                                            5/23
  Installing : mysql-community-libs-compat-8.0.22-1.el7.x86_64                                                                                                     6/23
  Updating   : 1:net-snmp-agent-libs-5.7.2-49.el7_9.1.x86_64                                                                                                       7/23
  Installing : mysql-community-client-8.0.22-1.el7.x86_64                                                                                                          8/23
  Installing : mysql-community-server-8.0.22-1.el7.x86_64                                                                                                          9/23
  Updating   : 1:net-snmp-5.7.2-49.el7_9.1.x86_64                                                                                                                 10/23
  Updating   : 1:qt-mysql-4.8.7-9.el7_9.x86_64                                                                                                                    11/23
  Updating   : 1:qt-x11-4.8.7-9.el7_9.x86_64                                                                                                                      12/23
  Updating   : 1:net-snmp-utils-5.7.2-49.el7_9.1.x86_64                                                                                                           13/23
  Cleanup    : 1:net-snmp-5.7.2-47.el7.x86_64                                                                                                                     14/23
  Cleanup    : 1:qt-mysql-4.8.7-8.el7.x86_64                                                                                                                      15/23
  Cleanup    : 1:net-snmp-agent-libs-5.7.2-47.el7.x86_64                                                                                                          16/23
  Erasing    : 1:mariadb-server-5.5.65-1.el7.x86_64                                                                                                               17/23
  Erasing    : 1:mariadb-5.5.65-1.el7.x86_64                                                                                                                      18/23
  Cleanup    : 1:qt-x11-4.8.7-8.el7.x86_64                                                                                                                        19/23
  Cleanup    : 1:net-snmp-utils-5.7.2-47.el7.x86_64                                                                                                               20/23
  Cleanup    : 1:net-snmp-libs-5.7.2-47.el7.x86_64                                                                                                                21/23
  Cleanup    : 1:qt-4.8.7-8.el7.x86_64                                                                                                                            22/23
  Erasing    : 1:mariadb-libs-5.5.65-1.el7.x86_64                                                                                                                 23/23
  Verifying  : 1:net-snmp-utils-5.7.2-49.el7_9.1.x86_64                                                                                                            1/23
  Verifying  : mysql-community-common-8.0.22-1.el7.x86_64                                                                                                          2/23
  Verifying  : mysql-community-server-8.0.22-1.el7.x86_64                                                                                                          3/23
  Verifying  : mysql-community-client-8.0.22-1.el7.x86_64                                                                                                          4/23
  Verifying  : 1:qt-4.8.7-9.el7_9.x86_64                                                                                                                           5/23
  Verifying  : mysql-community-libs-compat-8.0.22-1.el7.x86_64                                                                                                     6/23
  Verifying  : mysql-community-client-plugins-8.0.22-1.el7.x86_64                                                                                                  7/23
  Verifying  : 1:qt-x11-4.8.7-9.el7_9.x86_64                                                                                                                       8/23
  Verifying  : 1:qt-mysql-4.8.7-9.el7_9.x86_64                                                                                                                     9/23
  Verifying  : 1:net-snmp-5.7.2-49.el7_9.1.x86_64                                                                                                                 10/23
  Verifying  : mysql-community-libs-8.0.22-1.el7.x86_64                                                                                                           11/23
  Verifying  : 1:net-snmp-agent-libs-5.7.2-49.el7_9.1.x86_64                                                                                                      12/23
  Verifying  : 1:net-snmp-libs-5.7.2-49.el7_9.1.x86_64                                                                                                            13/23
  Verifying  : 1:mariadb-server-5.5.65-1.el7.x86_64                                                                                                               14/23
  Verifying  : 1:net-snmp-5.7.2-47.el7.x86_64                                                                                                                     15/23
  Verifying  : 1:qt-mysql-4.8.7-8.el7.x86_64                                                                                                                      16/23
  Verifying  : 1:mariadb-5.5.65-1.el7.x86_64                                                                                                                      17/23
  Verifying  : 1:qt-x11-4.8.7-8.el7.x86_64                                                                                                                        18/23
  Verifying  : 1:net-snmp-agent-libs-5.7.2-47.el7.x86_64                                                                                                          19/23
  Verifying  : 1:net-snmp-libs-5.7.2-47.el7.x86_64                                                                                                                20/23
  Verifying  : 1:mariadb-libs-5.5.65-1.el7.x86_64                                                                                                                 21/23
  Verifying  : 1:net-snmp-utils-5.7.2-47.el7.x86_64                                                                                                               22/23
  Verifying  : 1:qt-4.8.7-8.el7.x86_64                                                                                                                            23/23

Installed:
  mysql-community-client.x86_64 0:8.0.22-1.el7          mysql-community-libs.x86_64 0:8.0.22-1.el7          mysql-community-libs-compat.x86_64 0:8.0.22-1.el7
  mysql-community-server.x86_64 0:8.0.22-1.el7

Dependency Installed:
  mysql-community-client-plugins.x86_64 0:8.0.22-1.el7                                   mysql-community-common.x86_64 0:8.0.22-1.el7

Dependency Updated:
  net-snmp.x86_64 1:5.7.2-49.el7_9.1  net-snmp-agent-libs.x86_64 1:5.7.2-49.el7_9.1  net-snmp-libs.x86_64 1:5.7.2-49.el7_9.1  net-snmp-utils.x86_64 1:5.7.2-49.el7_9.1
  qt.x86_64 1:4.8.7-9.el7_9           qt-mysql.x86_64 1:4.8.7-9.el7_9                qt-x11.x86_64 1:4.8.7-9.el7_9

Replaced:
  mariadb.x86_64 1:5.5.65-1.el7                      mariadb-libs.x86_64 1:5.5.65-1.el7                      mariadb-server.x86_64 1:5.5.65-1.el7

Complete!
[root@vm-4 ~]#

Step-5 Check mysql version by using below command :

[root@vm-4 ~]#
[root@vm-4 ~]# mysql --version
mysql  Ver 8.0.22 for Linux on x86_64 (MySQL Community Server - GPL)
[root@vm-4 ~]#

Step-6 Start MySQL Server :

[root@vm-4 ~]#
[root@vm-4 ~]# sudo service mysqld status
Redirecting to /bin/systemctl status mysqld.service
● mysqld.service - MySQL Server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
   Active: inactive (dead)
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
[root@vm-4 ~]#
[root@vm-4 ~]# sudo service mysqld start
Redirecting to /bin/systemctl start mysqld.service
[root@vm-4 ~]#
[root@vm-4 ~]# sudo service mysqld status
Redirecting to /bin/systemctl status mysqld.service
 mysqld.service - MySQL Server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
   Active: active (running) since Sat 2021-01-02 20:06:25 IST; 14s ago
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
  Process: 24925 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
 Main PID: 25047 (mysqld)
   Status: "Server is operational"
    Tasks: 38
   CGroup: /system.slice/mysqld.service
           └─25047 /usr/sbin/mysqld

Jan 02 20:05:50 vm-4.localdomain systemd[1]: Starting MySQL Server...
Jan 02 20:06:25 vm-4.localdomain systemd[1]: Started MySQL Server.
[root@vm-4 ~]#

Step-7 Securing the MySQL Installation :

When MySQL 8.0 version is installed, temporary password for root is created in /var/log/mysqld.log. To view this temporary password run below command.

[root@vm-4 ~]#
[root@vm-4 ~]# grep 'temporary password' /var/log/mysqld.log
2021-01-02T14:36:09.660607Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: tMWxiNo*/6M2
[root@vm-4 ~]#

After getting the temporary password you need to run this below command. It will prompt you to provide the password. Provide the temporary password which you get from /var/log/mysqld.log and then change the root password.

[root@vm-4 ~]#
[root@vm-4 ~]# sudo mysql_secure_installation

Securing the MySQL server deployment.

Enter password for user root: Enter Temporary Root Password

The existing password for the user account root has expired. Please set a new password.

New password: Enter New Root Password

Re-enter new password:
The 'validate_password' component is installed on the server.
The subsequent steps will run with the existing configuration
of the component.
Using existing password for root.

Estimated strength of the password: 100
Change the password for root ? ((Press y|Y for Yes, any other key for No) : y

New password: Set New MySQL Password

Re-enter new password: Re-enter New MySQL Password

Estimated strength of the password: 100
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y
By default, a MySQL installation has an anonymous user,
allowing anyone to log into MySQL 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? (Press y|Y for Yes, any other key for No) : y
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? (Press y|Y for Yes, any other key for No) : y

 - Dropping test database...
Success.

Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y

 - 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? (Press y|Y for Yes, any other key for No) : y

Success.
All done!
[root@vm-4 ~]#

Step-8 Check MySQL server status :

Your installation of MySQL 8.0 Server is completed. To check MySQL Server is running or not, run below command.

[root@vm-4 ~]#
[root@vm-4 ~]# sudo systemctl status mysqld
 mysqld.service - MySQL Server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
   Active: active (running) since Sat 2021-01-02 20:06:25 IST; 18min ago
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
  Process: 24925 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
 Main PID: 25047 (mysqld)
   Status: "Server is operational"
    Tasks: 38
   CGroup: /system.slice/mysqld.service
           └─25047 /usr/sbin/mysqld

Jan 02 20:05:50 vm-4.localdomain systemd[1]: Starting MySQL Server...
Jan 02 20:06:25 vm-4.localdomain systemd[1]: Started MySQL Server.
[root@vm-4 ~]#

Step-9 To Connecting to MySQL Server, you can use below command.

Run below command to connect mysql server it will prompt you to provide the root password.

[root@vm-4 ~]#
[root@vm-4 ~]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 8.0.22 MySQL Community Server - GPL

Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>
mysql> 

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