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Detailed explanation of how to install MySQL5.7.18 under centos system

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Release: 2020-02-02 19:04:00
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Detailed explanation of how to install MySQL5.7.18 under centos system

1. First install the dependency package

yum install -y gcc gcc-c++ ncurses-devel perl openssl-devel
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The most important thing is, don’t forget to install openssl-devel

(free learning video tutorial recommended : mysql video tutorial)

2. Install cmake

tar -xzvf cmake-3.8.1.tar.gz   
cd cmake-3.8.1  
./bootstrap
make && make install
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3. Install MySQL5.7.18

First download the installation package. My installation version is :mysql-boost-5.7.18.tar.gz

You need to download boost. I am matching the boost_1_59_0 version

Download, decompress it in the /usr/local directory, and rename it to boost

First add the system account corresponding to MySQL to ensure its local file permission allocation:

groupadd mysql
useradd -r -g mysql mysql
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Create the database directory:

mkdir -p /var/mysql/data
chown mysql:mysql /var/mysql/data
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Enter the decompressed MySQL installation package:

cd mysql-boost-5.7.18
cmake . \
-DCMAKE_INSTALL_PREFIX=/usr/local/mysql/ \
-DINSTALL_DATADIR=/usr/local/mysql/data/master \
-DSYSCONFDIR=/usr/local/mysql/etc \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DEXTRA_CHARSETS=all \
-DWITH_SSL=system \
-DWITH_EMBEDDED_SERVER=1 \
-DENABLED_LOCAL_INFILE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_MEMORY_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \
-DMYSQL_USER=mysql \
-DMYSQL_UNIX_ADDR=/usr/local/mysql/data/mysql.sock \
-DDOWNLOAD_BOOST=1 \
-DWITH_BOOST=/usr/local/boost
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If an error occurs, after modification, you need to delete the CMakeCache.txt file in the current directory, and then restart cmake

make && make install
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After completing the above steps, you need to change the owner of the mysql installation directory. For example, the directory we installed is /usr/local/mysql. Use the command

chown -R mysql:mysql /usr/local/mysql
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to modify the directory owner. At this time, copy a copy of the default configuration file

cp /usr/local/mysql/support-files/my-default.cnf /etc/my.cnf
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After the blogger has completed the installation, there is no my-default.cnf file. You need to create it yourself. Attach the content of the file:

#For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
# *** default location during install, and will be replaced if you
# *** upgrade to a newer version of MySQL.
[mysqld]
#aracter_set_server=utf8
#init_connect='SET NAMES utf8' 
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 
# 一般配置选项
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data/master
port = 3306
socket = /usr/local/mysql/data/mysql.sock
character-set-server=utf8
back_log = 300
max_connections = 3000
max_connect_errors = 50
table_open_cache = 4096
max_allowed_packet = 32M
#binlog_cache_size = 4M
max_heap_table_size = 128M
read_rnd_buffer_size = 16M
sort_buffer_size = 16M
join_buffer_size = 16M
thread_cache_size = 16
query_cache_size = 128M
query_cache_limit = 4M
ft_min_word_len = 8
thread_stack = 512K
transaction_isolation = REPEATABLE-READ
tmp_table_size = 128M
#log-bin=mysql-bin
long_query_time = 6
server_id=1
innodb_buffer_pool_size = 1G
innodb_thread_concurrency = 16
innodb_log_buffer_size = 16M
innodb_log_file_size = 512M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
innodb_file_per_table = on
[mysqldump]
quick
max_allowed_packet = 32M
[mysql]
no-auto-rehash
default-character-set=utf8
safe-updates
[myisamchk]
key_buffer = 16M
sort_buffer_size = 16M
read_buffer = 8M
write_buffer = 8M
[mysqlhotcopy]
interactive-timeout
[mysqld_safe]
open-files-limit = 8192
[client]
port=3306
socket=/usr/local/mysql/data/mysql.sock
#default-character-set=utf8
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If the prompt already exists If the file is overwritten, just overwrite it.

Then perform the initialization operation of the database.

/usr/local/mysql/bin/mysqld --initialize --user=mysql,
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At this time, the database will be initialized and a database root account will be created. However, please note that this account has a default password. During initialization, the screen will Output the initialized password. If you missed it, you can see the default password by looking at /root/.mysql_secret.

Execute cp /usr/local/mysql/support-files/mysql.server /etc/init.d, copy the mysql service startup script, and then execute service mysql.server start to start mysql.

Finally /usr/local/mysql/bin/mysql -rroot -p, enter the password and press Enter. If Access denied for user 'root'@'localhost' (using password: YES) appears, under normal circumstances

service mysql.server restart Restart

After passing, you can use the following command to reset the root password

set password=password('你的密码');
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At this point, the basic installation process is completed

The following method can be used to set up the startup

Commandecho "service mysqld start" >> /etc/rc.local

Or enter the /etc/ directory, Directly edit the rc.local file with vim rc.local, add "service mysqld start" in the last line, save and exit.

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