Mysql连接到服务器：拒绝用户访问root@localhost
edit9：是否有可能我只是缺少对文件夹的一些权限？我真的非常感谢您的建议。 edit3：由于这篇文章没有得到足够的回复，而且这绝对是至关重要的，我会尽快把它进行下去，我重新构建了我的文章，以显示我认为我到目前为止已经扣除的内容。 注意：通过许多不同的命令正常登录根本不起作用 我的过程：Mysql连接到服务器：拒绝用户访问root@localhost,mysql,macos,pid,my.cnf,Mysql,Macos,Pid,My.cnf,edit9：是否有可能我只是缺少对文件夹的一些权限？我真的非常感谢您的建议。 edit3：由于这篇文章没有得到足够的回复，而且这绝对是至关重要的，我会尽快把它进行下去，我重新构建了我的文章，以显示我认为我到目前为止已经扣除的内容。 注意：通过许多不同的命令正常登录根本不起作用 我的过程： 删除了运行以下命令的mysql（我忘记了什么吗？） sudorm/usr/local/mysql sudorm-rf/usr/local/mysql* sudo rm-rf/Library/StartupIte
sudorm/usr/local/mysql
sudorm-rf/usr/local/mysql*
sudo rm-rf/Library/StartupItems/MySQLCOM
sudorm-rf/Library/PreferencePanes/MySQL*
rm-rf~/Library/PreferencePanes/MySQL*
sudorm-rf/Library/Receipts/mysql*
sudorm-rf/Library/Receipts/MySQL*
sudorm-rf/var/db/receipts/com.mysql.
sudo/usr/local/mysql/support files/mysql.server start
启动MySQL
.. 错误！服务器在不更新PID文件（/var/run/mysqld/mysqld.PID）的情况下退出。
cd/usr/local/mysql/支持文件/
sudo cp my-default.cnf/etc/my.cnf
pid文件=/var/run/mysqld/mysqld.pidsudo/usr/local/mysql/supportfiles/mysql.server-stopsudo mysql\u safe以安全模式启动mysql——跳过授权表
用户的访问被拒绝root@localhost使用密码：是/否
无法通过套接字连接到mysql服务器../usr/local/var/mysql/data/mysqld.local.err2015-11-17T08:13:55.755115Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2015-11-17T08:13:55.756291Z 0 [Warning] 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
2015-11-17T08:13:55.756310Z 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set.
2015-11-17T08:13:55.780792Z 0 [Warning] Insecure configuration for --secure-file-priv: Current value does not restrict location of generated files. Consider setting it to a valid, non-empty path.
2015-11-17T08:13:55.781750Z 0 [Note] /usr/local/mysql/bin/mysqld (mysqld 5.7.9) starting as process 94 ...
2015-11-17T08:13:55.796438Z 0 [Warning] Setting lower_case_table_names=2 because file system for /usr/local/mysql/data/ is case insensitive
2015-11-17T08:13:55.802783Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2015-11-17T08:13:55.802816Z 0 [Note] InnoDB: Uses event mutexes
2015-11-17T08:13:55.802826Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2015-11-17T08:13:55.802834Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.3
2015-11-17T08:13:55.804723Z 0 [Note] InnoDB: Number of pools: 1
2015-11-17T08:13:55.808009Z 0 [Note] InnoDB: Using CPU crc32 instructions
2015-11-17T08:13:55.821713Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2015-11-17T08:13:55.843514Z 0 [Note] InnoDB: Completed initialization of buffer pool
2015-11-17T08:13:55.898365Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
2015-11-17T08:13:55.935027Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2015-11-17T08:13:55.935222Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2015-11-17T08:13:55.950640Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
2015-11-17T08:13:55.952035Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
2015-11-17T08:13:55.952061Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
2015-11-17T08:13:55.952538Z 0 [Note] InnoDB: Waiting for purge to start
2015-11-17T08:13:56.070486Z 0 [Note] InnoDB: 5.7.9 started; log sequence number 2471474
2015-11-17T08:13:56.070792Z 0 [Note] InnoDB: Loading buffer pool(s) from /usr/local/mysql-5.7.9-osx10.9-x86_64/data/ib_buffer_pool
2015-11-17T08:13:56.071268Z 0 [Note] InnoDB: not started
2015-11-17T08:13:56.072953Z 0 [Note] Plugin 'FEDERATED' is disabled.
2015-11-17T08:13:56.075825Z 0 [Note] InnoDB: Buffer pool(s) load completed at 151117 9:13:56
2015-11-17T08:13:56.086709Z 0 [Warning] Failed to set up SSL because of the following SSL library error: SSL context is not usable without certificate and private key
2015-11-17T08:13:56.112666Z 0 [Note] Server hostname (bind-address): '*'; port: 3306
2015-11-17T08:13:56.112759Z 0 [Note] IPv6 is available.
2015-11-17T08:13:56.112804Z 0 [Note] - '::' resolves to '::';
2015-11-17T08:13:56.113081Z 0 [Note] Server socket created on IP: '::'.
2015-11-17T08:13:56.180223Z 0 [Note] Event Scheduler: Loaded 0 events
2015-11-17T08:13:56.180406Z 0 [Note] /usr/local/mysql/bin/mysqld: ready for connections.
Version: '5.7.9' socket: '/tmp/mysql.sock' port: 3306 MySQL Community Server (GPL)
mysqld\u safe--init file=/home/mysql init&Robs-MacBook-Pro:home-leroyklotz$151118 09:25:23 mysqld_安全登录到“/usr/local/var/mysql/Robs-MacBook-Pro.local.err”。
151118 09:25:23 mysqld_使用/usr/local/var/mysql中的数据库安全启动mysqld守护程序
/usr/local/bin/mysqld_safe:line 129:/usr/local/var/mysql/Robs-MacBook-Pro.local.err:权限被拒绝
rm:/tmp/mysql.sock:权限被拒绝
/usr/local/bin/mysqld_safe:line 166:/usr/local/var/mysql/Robs-MacBook-Pro.local.err:权限被拒绝
151118 09:25:23 pid文件/usr/local/var/mysql/Robs-MacBook-Pro.local.pid中的mysqld_safe mysqld结束
/usr/local/bin/mysqld_safe:line 129:/usr/local/var/mysql/Robs-MacBook-Pro.local.err:权限被拒绝
Robs-MacBook-Pro:~ leroyklotz$ mysqld_safe --init-file=/home/mysql-init &
[1] 747
Robs-MacBook-Pro:~ leroyklotz$ 151119 09:13:51 mysqld_safe Logging to '/usr/local/var/mysql/Robs-MacBook-Pro.local.err'.
151119 09:13:51 mysqld_safe Starting mysqld daemon with databases from /usr/local/var/mysql
rm: /tmp/mysql.sock: Permission denied
151119 09:13:53 mysqld_safe mysqld from pid file /usr/local/var/mysql/Robs-MacBook-Pro.local.pid ended
不要自己创建/触摸pid文件，它是由守护进程自己创建的，以指示其pid 在macos上，如果没有my.cnf，mysql应该可以正常运行 第一件事是查看mysqld日志，网址为
/usr/local/var/mysql/Robs MacBook Pro.local.err/usr/local/mysql/data/.err检查
ps ax | grep mysql | grep-v grep/usr/local/mysql/bin