MySQL-5.5 Binary Package Installation

Environment:

[Email protected] ~]# cat/etc/redhat-release

CentOS Release 6.8 (Final)

[Email protected] ~]# uname-r

2.6.32-642.el6.x86_64

To start the installation configuration:

[Email protected] ~]# cd/usr/local/src/

[Email protected] src]# wget http://mirrors.sohu.com/mysql/MySQL-5.5/mysql-5.5.55-linux2.6-x86_64.tar.gz

[Email protected] src]# ll-h

Total 178M

-rw-r--r--1 root root 178M Apr 16:27 mysql-5.5.55-linux2.6-x86_64.tar.gz

[[Email protected] src]# tar zxf mysql-5.5.55-linux2.6-x86_64.tar.gz-c/usr/local/# Unzip

[Email protected] src]# CD.

[[Email protected] local]# MV mysql-5.5.55-linux2.6-x86_64/mysql-5.5.55 # Renaming

[[email protected] local]# ln-s mysql-5.5.55 MySQL # make a soft connection

[[email protected] local]# useradd mysql-s/sbin/nologin-m # Build system users

[Email protected] local]# mysql/scripts/mysql_install_db--basedir=/usr/local/mysql/--datadir=/usr/local/mysql/ data/--user=mysql # Initializing database

[[email protected] local]# chown-r mysql:mysql mysql-5.5.55 # authorization to the directory

[[email protected] local]# VI/ETC/MY.CNF # Create configuration file, test with

[client]port=3306socket= /usr/local/mysql/mysql.sock[mysqld]user    =  mysqldatadir = /usr/local/mysql/data/character-set-server =  utf8skip-character-set-client-handshakeinit-connect =  ' Set names utf8 ' open_files_limit= 1024back_log = 600max_connections = 800max_connect_errors = 3000table_cache  = 614external-locking = FALSEmax_allowed_packet =8Msort_buffer_size =  1mjoin_buffer_size = 1mthread_cache_size = 100thread_concurrency = 2query_cache_ size = 2mquery_cache_limit = 1mquery_cache_min_res_unit = 2kthread_stack =  192ktmp_table_size = 2mmax_heap_table_size = 2mlog-bin = /usr/local/mysql/ data/mysql-binbinlog_cache_size = 1mmax_binlog_cache_size = 1mmax_binlog_size =  2mexpire_logs_days = 7key_buffer_size = 16mRead_buffer_size = 1mread_rnd_buffer_size = 1mbulk_insert_buffer_size = 1mlower_ case_table_names = 1skip-name-resolveslave-skip-errors = 1032,1062replicate-ignore-db= mysqlserver-id = 1innodb_additional_mem_pool_size = 4minnodb_buffer_pool_size =  16minnodb_file_io_threads = 4innodb_thread_concurrency = 8innodb_flush_log_at_trx_commit  = 2innodb_log_buffer_size = 2minnodb_log_file_size = 4minnodb_log_files_in_ Group = 3innodb_max_dirty_pages_pct = 90innodb_lock_wait_timeout = 120innodb_ file_per_table = 0[mysqldump]quickmax_allowed_packet = 2m[mysqld_safe]log-error=/var/log/ Mysqld.logpid-file=/var/run/mysqld/mysqld.pid

[[email protected] local]# CP mysql/bin/* sbin/# Copy execution command to Sbin

[[email protected] local]# CP mysql/support-files/mysql.server/etc/init.d/mysqld # Generate startup script

[[email protected] local]#/etc/init.d/mysqld start # Direct Start service

Starting MySQL ... success!

[[email protected] ~]# Netstat-lntup # View Services

Active Internet connections (only servers)

Proto recv-q send-q Local address Foreign address State Pid/program Name

TCP 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 7853/mysqld

[Email protected] ~]# lsof-i:3306

COMMAND PID USER FD TYPE DEVICE size/off NODE NAME

mysqld 7853 MySQL 12u IPv4 24118 0t0 TCP *:mysql (LISTEN)

[[email protected] local]# mysqladmin-u root password # give the root password, the default secret login

Enter Password:

[[email protected] local]# mysql-uroot-p # Interactive Password login

Enter Password:

Welcome to the MySQL Monitor. Commands End With; or \g.

Your MySQL Connection ID is 3

Server Version:5.5.55-log MySQL Community Server (GPL)

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

Oracle is a registered trademark of the Oracle Corporation and/or its

Affiliates. Other names trademarks of their respective

Owners.

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

Mysql>

mysql> show databases;

+--------------------+

| Database |

+--------------------+

| Information_schema |

| MySQL |

| Performance_schema |

| Test |

+--------------------+

4 rows in Set (0.13 sec)

mysql> drop database test; # Remove the test library

Query OK, 0 rows Affected (0.00 sec)

Mysql> select User,host from Mysql.user;

+------+-----------+

| user | Host |

+------+-----------+

| Root | 127.0.0.1 |

| Root | :: 1 |

| | localhost |

| Root | localhost |

| | sql-m |

| Root | sql-m |

+------+-----------+

6 rows in Set (0.11 sec)

mysql> drop user [email protected] ':: 1 '; # Delete a useless user

Query OK, 0 rows affected (0.14 sec)

mysql> drop user ' @localhost;

Query OK, 0 rows Affected (0.00 sec)

mysql> drop user ' @ ' sql-m ';

Query OK, 0 rows Affected (0.00 sec)

mysql> drop user [email protected] ' sql-m ';

Query OK, 0 rows affected (0.03 sec)

Mysql> select User,host from Mysql.user;

+------+-----------+

| user | Host |

+------+-----------+

| Root | 127.0.0.1 |

| Root | localhost |

+------+-----------+

2 rows in Set (0.00 sec)

mysql> flush Privileges;

Query OK, 0 rows Affected (0.00 sec)

Mysql> quit

[[email protected] local]# mysqladmin-uroot-p123 Password # change password

New Password:

Confirm New Password:

Test forgot root password re-retrieved:

[[email protected] ~]#/etc/init.d/mysqld Stop # First stop the service

Shutting down MySQL. success!

[[email protected] ~]# mysqld_safe--skip-grant-tables & # Ignore authorization table mode start service

[1] 3685

170422 17:37:34 mysqld_safe Logging to '/var/log/mysqld.log '.

170422 17:37:34 Mysqld_safe starting mysqld daemon with databases From/usr/local/mysql/data

[Email protected] ~]# 170422 17:37:39 mysqld_safe mysqld from PID File/var/run/mysqld/mysqld.pid ended

[1]+ done Mysqld_safe--skip-grant-tables

Strange to have failed! Check the log first ...

[Email protected] ~]# Tail/var/log/mysqld.log

170422 17:39:41 innodb:waiting for the background threads to start

170422 17:39:42 innodb:5.5.55 started; Log sequence Number 1595668

170422 17:39:42 [Note] Recovering after a crash using/usr/local/mysql/data/mysql-bin

170422 17:39:42 [Note] starting crash recovery ...

170422 17:39:42 [Note] Crash recovery finished.

170422 17:39:42 [Note] Server hostname (bind-address): ' 0.0.0.0 '; port:3306

170422 17:39:42 [Note]-' 0.0.0.0 ' resolves to ' 0.0.0.0 ';

170422 17:39:42 [Note] Server socket created on IP: ' 0.0.0.0 '.

170422 17:39:42 [ERROR]/usr/local/sbin/mysqld:can ' t create/write to file '/var/run/mysqld/mysqld.pid ' (errcode:2)

170422 17:39:42 [ERROR] Can ' t start server:can ' t create PID file:no such file or directory

As you can see, you can't create a PID file, which is definitely not a privilege.

/var/run/mysqld This path is a configuration file:

[Email protected] ~]# tail-3/etc/my.cnf

[Mysqld_safe]log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pid

It's a little strange here, when you start a service with/etc/init.d/mysqld, it doesn't read the PID path configured in the configuration file, and starting the service with Mysqld_safe--skip-grant-tables & ignore authorization table will read the configuration file PID path.

Don't want to move/var/log/This directory permissions, change the configuration file

[Email protected] ~]# VIM/ETC/MY.CNF

[Mysqld_safe]log-error=/var/log/mysqld.logpid-file=/usr/local/mysql/mysqld.pid

[[email protected] ~]#/usr/local/mysql/bin/mysqld_safe--skip-grant-tables & # Execute again

[1] 7109

170422 17:54:17 mysqld_safe Logging to '/var/log/mysqld.log '.

170422 17:54:17 Mysqld_safe starting mysqld daemon with databases From/usr/local/mysql/data

[Email protected] ~]# # This time it's OK

[[email protected] ~]# MySQL # password-free login

Welcome to the MySQL Monitor. Commands End With; or \g.

Your MySQL Connection ID is 1

Server Version:5.5.55-log MySQL Community Server (GPL)

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

Oracle is a registered trademark of the Oracle Corporation and/or its

Affiliates. Other names trademarks of their respective

Owners.

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

Mysql>

mysql> Update Mysql.user set Password=password (' 123 ') where user= ' root ' and host= ' localhost '; # Change Password

Query OK, 1 row Affected (0.00 sec)

Rows matched:1 changed:1 warnings:0

mysql> flush Privileges;

Query OK, 0 rows affected (0.19 sec)

Suddenly think of Mysqld_safe this command so powerful, look at its permissions:

[Email protected] ~]# Ll/usr/local/sbin/mysqld_safe

-rwxr-xr-x 1 root root 27100 Apr 16:39/usr/local/sbin/mysqld_safe

Scare a jump There is no, incredibly what people can execute, too dangerous!

Get rid of it now, two places to get rid of:

[Email protected] ~]# chmod 700/usr/local/sbin/mysqld_safe

[Email protected] ~]# chmod 700/usr/local/mysql/bin/mysqld_safe

[Email protected] ~]# Ll/usr/local/sbin/mysqld_safe

-rwx------1 root root 27100 Apr 16:39/usr/local/sbin/mysqld_safe

[Email protected] ~]# Ll/usr/local/mysql/bin/mysqld_safe

-rwx------1 mysql mysql 27100 Mar 13:14/usr/local/mysql/bin/mysqld_safe

The above binary package is simple to install and complete.

This article came from "never thought to give up!" "Blog, be sure to keep this provenance http://yuyicong.blog.51cto.com/11274530/1918544

MySQL-5.5 Binary Package Installation