實踐:Linux下安裝mysql8.0
一、下載mysql8.0安裝包
1、在local建立mysql資料夾
cd /usr/local mkdir mysql cd mysql
2、使用wget下載mysql8.0的xz安裝包
二、解壓mysql8.0安裝包
1、解壓
2、重新命名解壓後的mysql資料夾(名字太長了)
3、建立data儲存檔案
cd mysql8.0 mkdir data
三、建立使用者和使用者組,並賦予許可權
1、建立使用者和使用者組
groupadd mysql useradd -g mysql mysql
2、給使用者賦予許可權
四、初始化mysql資訊
1、切換到mysql8.0安裝路徑下
2、初始化mysql基本資訊
3、獲取到臨時mysql密碼
五、新增mysqld服務到系統
1、將mysqld服務新增到系統中
cd /usr/local/mysql/mysql8.0 cp -a ./support-files/mysql.server /etc/init.d/mysql
2、授權以及新增服務
chmod +x /etc/init.d/mysql chkconfig --add mysql
3、mysql5.7以後就沒有my.cnf了,所以我們建立一個。(個人覺得方便一些)
# Example MySQL config file for small systems. # # This is for a system with little memory (<= 64M) where MySQL is only used # from time to time and it's important that the mysqld daemon # doesn't use much resources. # # MySQL programs look for option files in a set of # locations which depend on the deployment platform. # You can copy this option file to one of those # locations. For information about these locations, see: # http://dev.mysql.com/doc/mysql/en/option-files.html # # In this file, you can use all long options that a program supports. # If you want to know which options a program supports, run the program # with the "--help" option. # The following options will be passed to all MySQL clients [client] default-character-set=utf8 #password = k0Ui&wV(Z3yt port = 3306 socket = /tmp/mysql.sock # Here follows entries for some specific programs # The MySQL server [mysqld] #配置mysql的資料夾 和 mysql data目錄 basedir=/usr/local/mysql/mysql8.0 datadir=/usr/local/mysql/mysql8.0/data default-storage-engine=INNODB character-set-server=utf8 collation-server=utf8_general_ci port = 3306 socket = /tmp/mysql.sock skip-external-locking key_buffer_size = 16K max_allowed_packet = 1M table_open_cache = 4 sort_buffer_size = 64K read_buffer_size = 256K read_rnd_buffer_size = 256K net_buffer_length = 2K thread_stack = 128K # Don't listen on a TCP/IP port at all. This can be a security enhancement, # if all processes that need to connect to mysqld run on the same host. # All interaction with mysqld must be made via Unix sockets or named pipes. # Note that using this option without enabling named pipes on Windows # (using the "enable-named-pipe" option) will render mysqld useless! # #skip-networking server-id = 1 # Uncomment the following if you want to log updates #log-bin=mysql-bin # binary logging format - mixed recommended #binlog_format=mixed # Causes updates to non-transactional engines using statement format to be # written directly to binary log. Before using this option make sure that # there are no dependencies between transactional and non-transactional # tables such as in the statement INSERT INTO t_myisam SELECT * FROM # t_innodb; otherwise, slaves may diverge from the master. #binlog_direct_non_transactional_updates=TRUE # Uncomment the following if you are using InnoDB tables #innodb_data_home_dir = /usr/local/mysql/data #innodb_data_file_path = ibdata1:10M:autoextend #innodb_log_group_home_dir = /usr/local/mysql/data # You can set .._buffer_pool_size up to 50 - 80 % # of RAM but beware of setting memory usage too high #innodb_buffer_pool_size = 16M #innodb_additional_mem_pool_size = 2M # Set .._log_file_size to 25 % of buffer pool size #innodb_log_file_size = 5M #innodb_log_buffer_size = 8M #innodb_flush_log_at_trx_commit = 1 #innodb_lock_wait_timeout = 50 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash # Remove the next comment character if you are not familiar with SQL #safe-updates [myisamchk] key_buffer_size = 8M sort_buffer_size = 8M [mysqlhotcopy] interactive-timeout
4、啟動mysql服務
5、檢視mysql服務狀態
6、將mysql命令新增到服務
六、登入mysql
1、登入 密碼使用之前隨機生成的密碼
2、修改管理員密碼 其中123456是新的密碼自己設定
3、重新載入快取,使密碼生效
4、退出mysql,用新密碼嘗試登入管理員
七、修改mysql配置,使其可以用工具遠端登入
雲伺服器不能遠端連線mysql,解決
總結
來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/70003733/viewspace-2865510/,如需轉載,請註明出處,否則將追究法律責任。
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