自从2005年Oracle收购InnoDB存储引擎开发商Innobase伊始，MySQL的命运已然注定。
新增功能探索
ll *.md | awk '{print "* ["$9"](/api/new/"$9")"}' | sed 's/.md//' |sed 's/.md/.html/g'
官网链接
本地环境准备 配置YUM源并安装 测试环境中使用YUM安装速度较快，真实生产中建议二进制包安装。
wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm yum localinstall -y mysql80-community-release-el7-3.noarch.rpm yum repolist enabled | grep "mysql.*-community.*" yum-config-manager --enable mysql80-community yum-config-manager --disable mysql57-community yum install mysql-community-server
查看软件结构 [root@foundation0 install] /etc/logrotate.d/mysql /etc/my.cnf /etc/my.cnf.d /usr/bin/ibd2sdi /usr/bin/innochecksum /usr/bin/lz4_decompress /usr/bin/my_print_defaults /usr/bin/myisam_ftdump /usr/bin/myisamchk /usr/bin/myisamlog /usr/bin/myisampack /usr/bin/mysql_secure_installation /usr/bin/mysql_ssl_rsa_setup /usr/bin/mysql_tzinfo_to_sql /usr/bin/mysql_upgrade /usr/bin/mysqld_pre_systemd /usr/bin/mysqldumpslow /usr/bin/perror /usr/bin/zlib_decompress /usr/lib/systemd/system/mysqld.service /usr/lib/systemd/system/mysqld@.service /usr/lib/tmpfiles.d/mysql.conf /usr/lib64/mysql/mecab /usr/lib64/mysql/mecab/dic /usr/lib64/mysql/mecab/dic/ipadic_euc-jp /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/char.bin /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/dicrc /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/left-id.def /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/matrix.bin /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/pos-id.def /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/rewrite.def /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/right-id.def /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/sys.dic /usr/lib64/mysql/mecab/dic/ipadic_euc-jp/unk.dic /usr/lib64/mysql/mecab/dic/ipadic_sjis /usr/lib64/mysql/mecab/dic/ipadic_sjis/char.bin /usr/lib64/mysql/mecab/dic/ipadic_sjis/dicrc /usr/lib64/mysql/mecab/dic/ipadic_sjis/left-id.def /usr/lib64/mysql/mecab/dic/ipadic_sjis/matrix.bin /usr/lib64/mysql/mecab/dic/ipadic_sjis/pos-id.def /usr/lib64/mysql/mecab/dic/ipadic_sjis/rewrite.def /usr/lib64/mysql/mecab/dic/ipadic_sjis/right-id.def /usr/lib64/mysql/mecab/dic/ipadic_sjis/sys.dic /usr/lib64/mysql/mecab/dic/ipadic_sjis/unk.dic /usr/lib64/mysql/mecab/dic/ipadic_utf-8 /usr/lib64/mysql/mecab/dic/ipadic_utf-8/char.bin /usr/lib64/mysql/mecab/dic/ipadic_utf-8/dicrc /usr/lib64/mysql/mecab/dic/ipadic_utf-8/left-id.def /usr/lib64/mysql/mecab/dic/ipadic_utf-8/matrix.bin /usr/lib64/mysql/mecab/dic/ipadic_utf-8/pos-id.def /usr/lib64/mysql/mecab/dic/ipadic_utf-8/rewrite.def /usr/lib64/mysql/mecab/dic/ipadic_utf-8/right-id.def /usr/lib64/mysql/mecab/dic/ipadic_utf-8/sys.dic /usr/lib64/mysql/mecab/dic/ipadic_utf-8/unk.dic /usr/lib64/mysql/mecab/etc /usr/lib64/mysql/mecab/etc/mecabrc /usr/lib64/mysql/plugin /usr/lib64/mysql/plugin/adt_null.so /usr/lib64/mysql/plugin/auth_socket.so /usr/lib64/mysql/plugin/authentication_ldap_sasl_client.so /usr/lib64/mysql/plugin/component_audit_api_message_emit.so /usr/lib64/mysql/plugin/component_log_filter_dragnet.so /usr/lib64/mysql/plugin/component_log_sink_json.so /usr/lib64/mysql/plugin/component_log_sink_syseventlog.so /usr/lib64/mysql/plugin/component_mysqlbackup.so /usr/lib64/mysql/plugin/component_validate_password.so /usr/lib64/mysql/plugin/connection_control.so /usr/lib64/mysql/plugin/ddl_rewriter.so /usr/lib64/mysql/plugin/debug /usr/lib64/mysql/plugin/debug/adt_null.so /usr/lib64/mysql/plugin/debug/auth_socket.so /usr/lib64/mysql/plugin/debug/authentication_ldap_sasl_client.so /usr/lib64/mysql/plugin/debug/component_audit_api_message_emit.so /usr/lib64/mysql/plugin/debug/component_log_filter_dragnet.so /usr/lib64/mysql/plugin/debug/component_log_sink_json.so /usr/lib64/mysql/plugin/debug/component_log_sink_syseventlog.so /usr/lib64/mysql/plugin/debug/component_mysqlbackup.so /usr/lib64/mysql/plugin/debug/component_validate_password.so /usr/lib64/mysql/plugin/debug/connection_control.so /usr/lib64/mysql/plugin/debug/ddl_rewriter.so /usr/lib64/mysql/plugin/debug/group_replication.so /usr/lib64/mysql/plugin/debug/ha_example.so /usr/lib64/mysql/plugin/debug/ha_mock.so /usr/lib64/mysql/plugin/debug/innodb_engine.so /usr/lib64/mysql/plugin/debug/keyring_file.so /usr/lib64/mysql/plugin/debug/keyring_udf.so /usr/lib64/mysql/plugin/debug/libmemcached.so /usr/lib64/mysql/plugin/debug/libpluginmecab.so /usr/lib64/mysql/plugin/debug/locking_service.so /usr/lib64/mysql/plugin/debug/mypluglib.so /usr/lib64/mysql/plugin/debug/mysql_clone.so /usr/lib64/mysql/plugin/debug/mysql_no_login.so /usr/lib64/mysql/plugin/debug/rewrite_example.so /usr/lib64/mysql/plugin/debug/rewriter.so /usr/lib64/mysql/plugin/debug/semisync_master.so /usr/lib64/mysql/plugin/debug/semisync_slave.so /usr/lib64/mysql/plugin/debug/validate_password.so /usr/lib64/mysql/plugin/debug/version_token.so /usr/lib64/mysql/plugin/group_replication.so /usr/lib64/mysql/plugin/ha_example.so /usr/lib64/mysql/plugin/ha_mock.so /usr/lib64/mysql/plugin/innodb_engine.so /usr/lib64/mysql/plugin/keyring_file.so /usr/lib64/mysql/plugin/keyring_udf.so /usr/lib64/mysql/plugin/libmemcached.so /usr/lib64/mysql/plugin/libpluginmecab.so /usr/lib64/mysql/plugin/locking_service.so /usr/lib64/mysql/plugin/mypluglib.so /usr/lib64/mysql/plugin/mysql_clone.so /usr/lib64/mysql/plugin/mysql_no_login.so /usr/lib64/mysql/plugin/rewrite_example.so /usr/lib64/mysql/plugin/rewriter.so /usr/lib64/mysql/plugin/semisync_master.so /usr/lib64/mysql/plugin/semisync_slave.so /usr/lib64/mysql/plugin/validate_password.so /usr/lib64/mysql/plugin/version_token.so /usr/lib64/mysql/private /usr/lib64/mysql/private/libprotobuf-lite.so.3.6.1 /usr/lib64/mysql/private/libprotobuf.so.3.6.1 /usr/sbin/mysqld /usr/sbin/mysqld-debug /usr/share/doc/mysql-community-server-8.0.20 /usr/share/doc/mysql-community-server-8.0.20/INFO_BIN /usr/share/doc/mysql-community-server-8.0.20/INFO_SRC /usr/share/doc/mysql-community-server-8.0.20/LICENSE /usr/share/doc/mysql-community-server-8.0.20/README /usr/share/man/man1/ibd2sdi.1.gz /usr/share/man/man1/innochecksum.1.gz /usr/share/man/man1/lz4_decompress.1.gz /usr/share/man/man1/my_print_defaults.1.gz /usr/share/man/man1/myisam_ftdump.1.gz /usr/share/man/man1/myisamchk.1.gz /usr/share/man/man1/myisamlog.1.gz /usr/share/man/man1/myisampack.1.gz /usr/share/man/man1/mysql.server.1.gz /usr/share/man/man1/mysql_secure_installation.1.gz /usr/share/man/man1/mysql_ssl_rsa_setup.1.gz /usr/share/man/man1/mysql_tzinfo_to_sql.1.gz /usr/share/man/man1/mysql_upgrade.1.gz /usr/share/man/man1/mysqldumpslow.1.gz /usr/share/man/man1/mysqlman.1.gz /usr/share/man/man1/perror.1.gz /usr/share/man/man1/zlib_decompress.1.gz /usr/share/man/man8/mysqld.8.gz /usr/share/mysql-8.0/dictionary.txt /usr/share/mysql-8.0/innodb_memcached_config.sql /usr/share/mysql-8.0/install_rewriter.sql /usr/share/mysql-8.0/mysql-log-rotate /usr/share/mysql-8.0/uninstall_rewriter.sql /var/lib/mysql /var/lib/mysql-files /var/lib/mysql-keyring /var/run/mysqld
启动服务 查看服务进程和监听端口 [root@foundation0 install] ● mysqld.service - MySQL Server Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled) Active: active (running) since 一 2020-06-01 17:46:52 CST; 7s ago Docs: man:mysqld(8) http://dev.mysql.com/doc/refman/en/using-systemd.html Process: 11627 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS) Main PID: 11903 (mysqld) Status: "Server is operational" CGroup: /system.slice/mysqld.service └─11903 /usr/sbin/mysqld 6月 01 17:46:30 foundation0.ilt.example.com systemd[1]: Starting MySQL Server... 6月 01 17:46:52 foundation0.ilt.example.com systemd[1]: Started MySQL Server. [root@foundation0 install] mysql 11903 1 6 17:46 ? 00:00:00 /usr/sbin/mysqld root 12029 7260 0 17:47 pts/0 00:00:00 grep --color=auto mysqld [root@foundation0 install] tcp LISTEN 0 128 :::3306 :::* users :(("mysqld" ,pid=11903,fd=33)) tcp LISTEN 0 70 :::33060 :::* users :(("mysqld" ,pid=11903,fd=31))
可以看到MySQL的监听端口多了一个33060，原因参见官网()
使用临时密码登陆并修改密码 less /var/log/mysqld.log 020-06-01T09:46:39.152942Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: XScpXMk1!pGy 2020-06-01T09:46:51.114590Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.20) starting as process 11903 [root@foundation0 log ] mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 9 Server version: 8.0.20 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> select user,host from mysql.user; ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement. mysql> alter user root@localhost identified by 'Zyadmin@123' ; Query OK, 0 rows affected (0.02 sec) [root@foundation0 log ] mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 10 Server version: 8.0.20 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> select user,host,plugin from mysql.user; +------------------+-----------+-----------------------+ | user | host | plugin | +------------------+-----------+-----------------------+ | mysql.infoschema | localhost | caching_sha2_password | | mysql.session | localhost | caching_sha2_password | | mysql.sys | localhost | caching_sha2_password | | root | localhost | caching_sha2_password | +------------------+-----------+-----------------------+ 4 rows in set (0.00 sec) [root@foundation0 log ] mysql: [Warning] Using a password on the command line interface can be insecure. +-----------------------------+ | @@hostname | +-----------------------------+ | foundation0.ilt.example.com | +-----------------------------+