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The following is about how to solve mysql installation errors. The secret of the text is that it is close to the topic. So, no gossip, let's go straight to the following, I believe you will benefit from reading this article on how to solve mysql installation errors.

Problem!

[root@lsx-001 mysql] # / scripts/mysql_install_db-- user=mysql-- datadir=/data/mysql

FATAL ERROR: please install the following Perl modules before executing. / scripts/mysql_install_db:

Data::Dumper

Solution installation

[root@lsx-02 mysql] # yum install-y autoconf

[root@lsx-001 mysql] # yum list | grep-I perl | grep-I dumper

Perl-Data-Dumper.x86_64 2.145-3.el7 base

two。

Installing MySQL system tables..../bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

[root@lsx-02 mysql] # yum list | grep 'libaio'

[root@lsx-02 mysql] # yum install-y libaio-devel.x86_64

3. Start error Starting MySQL.Logging to'/ data/mysql/localhost.localdomain.err'.

. / usr/local/mysql/bin/mysqld_safe: line 178: 2830 Killed nohup / usr/local/mysql/bin/mysqld-basedir=/usr/local/mysql-- datadir=/data/mysql-- plugin-dir=/usr/local/mysql/lib/plugin-- user=mysql-- log-error=/data/mysql/localhost.localdomain.err-- pid-file=/data/mysql/localhost.localdomain.pid

/ dev/null 2 > & 1

ERROR! The server quit without updating PID file (/ data/mysql/localhost.localdomain.pid).

Solution:

1.cd / usr/local/mysql (enter the mysql installation directory)

2.chown-R mysql.mysql.

3.su-mysql

4.cd / usr/local/mysql

5.scripts/mysql_install_db

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