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I'm trying to install PHP on my server, running Centos 7.3; I've installed php 5.4, and have MySQL Server 5.6.28 running there too. When I'm trying to install php-mysql, it's trying to install mariadb-libs for dependencies, and it stops with errors:

# yum install php-mysql
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: centos.mirror.nac.net
 * extras: mirror.vcu.edu
 * updates: mirror.netdepot.com
Resolving Dependencies
--> Running transaction check
---> Package php-mysql.x86_64 0:5.4.16-42.el7 will be installed
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: php-mysql-5.4.16-42.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: php-mysql-5.4.16-42.el7.x86_64
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.52-1.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==============================================================================================================================================================================================================================================
 Package                                                     Arch                                                  Version                                                          Repository                                           Size
==============================================================================================================================================================================================================================================
Installing:
 php-mysql                                                   x86_64                                                5.4.16-42.el7                                                    base                                                101 k
Installing for dependencies:
 mariadb-libs                                                x86_64                                                1:5.5.52-1.el7                                                   base                                                761 k

Transaction Summary
==============================================================================================================================================================================================================================================
Install  1 Package (+1 Dependent package)

When I proceed:

Transaction check error:
  file /usr/share/mysql/charsets/README from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/Index.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/armscii8.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/ascii.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/cp1250.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/cp1251.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/cp1256.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/cp1257.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/cp850.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/cp852.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/cp866.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/dec8.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/geostd8.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/greek.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/hebrew.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/hp8.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/keybcs2.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/koi8r.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/koi8u.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/latin1.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/latin2.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/latin5.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/latin7.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/macce.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/macroman.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/charsets/swe7.xml from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/czech/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/danish/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/dutch/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/english/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/estonian/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/french/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/german/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/greek/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/hungarian/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/italian/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/japanese/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/korean/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/norwegian-ny/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/norwegian/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/polish/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/portuguese/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/romanian/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/russian/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/serbian/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/slovak/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/spanish/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/swedish/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64
  file /usr/share/mysql/ukrainian/errmsg.sys from install of mariadb-libs-1:5.5.52-1.el7.x86_64 conflicts with file from package MySQL-server-5.6.28-1.el7.x86_64

Error Summary
-------------

Is there a way to install PHP without those libs... Or what can I do in order to install the package without uninstalling MySQL server, since it's where the DB for the site is running (This is a migration from another server).

UPDATE

I'm running MySQL Server:

# mysql -u root -h 127.0.0.1 -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.28-log MySQL Community Server (GPL)

Copyright (c) 2000, 2015, 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>

And there's no MariaDB installed:

# yum list mariadb*
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.lga7.us.voxel.net
 * epel: mirror.es.its.nyu.edu
 * extras: mirror.netdepot.com
 * remi-safe: repo1.ash.innoscale.net
 * updates: mirror.netdepot.com
Available Packages
mariadb.x86_64                                                                                                              1:5.5.52-1.el7                                                                                                base
mariadb-bench.x86_64                                                                                                        1:5.5.52-1.el7                                                                                                base
mariadb-devel.i686                                                                                                          1:5.5.52-1.el7                                                                                                base
mariadb-devel.x86_64                                                                                                        1:5.5.52-1.el7                                                                                                base
mariadb-embedded.i686                                                                                                       1:5.5.52-1.el7                                                                                                base
mariadb-embedded.x86_64                                                                                                     1:5.5.52-1.el7                                                                                                base
mariadb-embedded-devel.i686                                                                                                 1:5.5.52-1.el7                                                                                                base
mariadb-embedded-devel.x86_64                                                                                               1:5.5.52-1.el7                                                                                                base
mariadb-libs.i686                                                                                                           1:5.5.52-1.el7                                                                                                base
mariadb-libs.x86_64                                                                                                         1:5.5.52-1.el7                                                                                                base
mariadb-server.x86_64                                                                                                       1:5.5.52-1.el7                                                                                                base
mariadb-test.x86_64                                                                                                         1:5.5.52-1.el7                                                                                                base
  • Are you sure you don't have maraidb installed, what does the command mysql -u username -p show you? – George Udosen May 15 '17 at 16:43
  • Again since it's migrated perhaps mariadb was used there! – George Udosen May 15 '17 at 16:45
  • I'm sure; it's only MySQL. I edited my question with stuff regarding this – Mauricio Cacho May 15 '17 at 17:36
  • Exactly the same issue here. Brand new Centos 7 install. I removed all mariadb references, I installed mysql, and is running fine. I installed php, anad is running fine. But I need to install php-mysql and I get the conflict error: Error: Package: php-mysql-5.4.16-42.el7.x86_64 (base) Requires: libmysqlclient.so.18()(64bit) Available: 1:mariadb-libs-5.5.52-1.el7.x86_64 (base) – smorhaim May 15 '17 at 18:52
  • @smorhaim I made it. My installation was with RPMs (MySQL Server and Client). So I also installed Compatibility Libraries and Shared components (dev.mysql.com/downloads/mysql/5.6.html?os=31). After that, I tried again the installation and didn't ask for mariadb-libs anymore. Hope it helps! – Mauricio Cacho May 15 '17 at 20:04
2

php-mysql use the mariadb client library (libmysqlclient)

php-mysqlnd use the MySQL Native Driver and provides the same set of extensions (mysql, mysqli and pdo_mysql), so don't have any dependency on the libmysqlclient.

See choosing a library

To switch from one installed package to the other, in yum expert mode

# yum shell
> remove php-mysql
> install php-mysqlnd
> run
> quit
  • Thanks for this solution Remi! that solved my issue. Merci :) – kiwifrog Jan 23 at 10:56

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