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ubuntu安装mysql5.7

2016-05-26 10:40 471 查看 
sudoapt-getupdate
sudoapt-getupgrade
sudoapt-getinstallmysql-servermysql-client#自动安装会装上5.7的client端，中间会弹出提示框输入root的密码
sudo
groupaddmysql
sudo
useradd-r-gmysqlmysql
[code]
修改密码
sudo/usr/bin/mysqladmin-urootpassword登录
sudo/usr/bin/mysql-uroot-p[可选数据库名称]
远程连接
GRANTALLPRIVILEGESON*.*TO'root'@'10.10.40.54'IDENTIFIEDBY'123456'WITHGRANTOPTION;远程连接某表:创建
username用户，可远程访问app数据库下user表，具有读、更新权限
grantselect,updateonapp.usertousername@‘%’identifiedby'123456';
open_files_limit=10240back_log=258max_connections=5000max_connect_errors=716external-locking=FALSEmax_allowed_packet=32Msort_buffer_size=8Mjoin_buffer_size=1Mthread_cache_size=300
query_cache_type=1query_cache_size=512Mquery_cache_limit=2Mquery_cache_min_res_unit=2kthread_stack=192Ktmp_table_size=258Mmax_heap_table_size=258Mkey_buffer_size=512Mread_buffer_size=4Mread_rnd_buffer_size=16M
wait_timeout=1814400bulk_insert_buffer_size=64Minnodb_buffer_pool_size=8000Minnodb_buffer_pool_instances=32innodb_thread_concurrency=8innodb_flush_log_at_trx_commit=2innodb_log_buffer_size=16Minnodb_log_file_size=2048Minnodb_log_files_in_group=3innodb_max_dirty_pages_pct=90innodb_lock_wait_timeout=120innodb_read_io_threads=16innodb_write_io_threads=16innodb_io_capacity=20000innodb_io_capacity_max=40000查看连接数
[b]showvariableslike'%max_connections%'
[/b]
这时应该为5000，说明配置已生效

                                            

                                        

                        
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