删除 ubuntu-mysql5.7.md

ubuntu-mysql5.7.md

@@ -1,177 +0,0 @@
-切换目录
-```
-cd /usr/local
-```
-
-浏览器打开 https://dev.mysql.com/downloads/mysql/5.7.html#downloads 选择配置然后下载
-
-- Archives
-- 5.7.44
-- Linux - Generic
-- 64-bit
-- Compressed TAR Archive
-
-浏览器建立下载任务后，复制下载链接，回到命令行通过命令下载解压
-
-```
-wget 下载链接
-```
-```
-tar -zvxf mysql-5.7.44-linux-glibc2.12-x86_64.tar.gz
-```
-```
-mv mysql-5.7.44-linux-glibc2.12-x86_64 /usr/local/mysql
-```
-```
-cd /usr/local/mysql
-```
-
-创建必要的目录
-
-```
-mkdir data
-```
-```
-mkdir tmp
-```
-```
-mkdir run
-```
-```
-mkdir log
-```
-
-创建必要的文件
-```
-cd run
-```
-```
-touch mysql.sock
-```
-```
-touch mysql.pid
-```
-
-编辑配置文件
-```
-vim /etc/my.cnf
-```
-
-复制粘贴以下内容
-```
-[client]
-port = 24100
-socket = /usr/local/mysql/run/mysql.sock
-[mysqld]
-user = root
-server-id = 1
-port = 24100
-basedir = /usr/local/mysql
-datadir = /usr/local/mysql/data
-tmpdir  = /usr/local/mysql/tmp
-socket = /usr/local/mysql/run/mysql.sock
-pid-file = /usr/local/mysql/run/mysql.pid
-character-set-server = utf8mb4
-collation-server = utf8mb4_general_ci
-init_connect='SET NAMES utf8mb4'
-lower_case_table_names = 1
-max_connections = 400
-max_connect_errors = 1000
-explicit_defaults_for_timestamp = true
-max_allowed_packet = 128M
-interactive_timeout = 1800
-wait_timeout = 1800
-tmp_table_size = 16M
-max_heap_table_size = 128M
-query_cache_size = 0
-query_cache_type = 0
-read_buffer_size = 2M
-read_rnd_buffer_size = 8M
-sort_buffer_size = 8M
-binlog_cache_size = 1M
-back_log = 130
-log_error = /usr/local/mysql/log/error.log
-slow_query_log = 1
-long_query_time = 5
-slow_query_log_file = /usr/local/mysql/log/slow.log
-log_throttle_queries_not_using_indexes = 0
-min_examined_row_limit = 100
-expire_logs_days = 5
-log-bin = mysql-bin
-binlog_format = ROW
-binlog_row_image = minimal
-innodb_open_files = 300
-innodb_buffer_pool_size = 512M
-innodb_log_buffer_size = 2M
-innodb_flush_method = O_DIRECT
-innodb_write_io_threads = 4
-innodb_read_io_threads = 4
-innodb_lock_wait_timeout = 60
-innodb_log_file_size = 32M
-sql_mode=STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION,NO_ZERO_IN_DATE,NO_ZERO_DATE
-```
-
-初始化mysql
-```
-cd /usr/local/mysql/bin
-```
-```
-./mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --user=root --initialize
-```
-
-查看默认密码
-```
-cat /usr/local/mysql/log/error.log
-```
-
-找到这一行，截图或者复制粘贴出来等下要用
-```
-[Note] A temporary password is generated for root@localhost: xxxxxx
-```
-
-运行mysql
-```
-cd /usr/local/mysql/support-files
-```
-```
-./mysql.server start
-```
-
-命令行连接mysql
-```
-cd /usr/local/mysql/bin
-```
-
-密码是前面看到的默认密码
-```
-./mysql -u root -p
-```
-
-修改root账号的默认密码
-
-```
-SET PASSWORD = PASSWORD('填写明文密码');
-```
-```
-ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;
-```
-
-刷新
-```
-FLUSH PRIVILEGES;
-```
-
-添加用户
-```
-CREATE USER '用户名'@'%' IDENTIFIED BY '填写明文密码';
-```
-
-建库
-```
-CREATE DATABASE `库名`;
-```
-
-授权（不要忘记刷新）
-```
-GRANT ALL ON 库名.* TO '用户名'@'%';
-```