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我遇到了服务器将始终出现此 2006 错误的问题。我已经更改了首选项和 cnf 文件（max_packet 大小）中的设置。每天早上，当我检查服务器时，它会显示 2006 错误。我将不得不去工作台的主页并手动双击本地主机然后连接就可以了（已连接）。我已经附上了cnf线和mysql工作台图像。请帮忙。谢谢。

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    The MySQL database server configuration file.

 You can copy this to one of:
 - "/etc/mysql/my.cnf" to set global options,
 - "~/.my.cnf" to set user-specific options.

 One can use all long options that the program supports.
 Run program with --help to get a list of available options and with
 --print-defaults to see which it would actually understand and use.

 For explanations see
 http://dev.mysql.com/doc/mysql/en/server-system-variables.html

 This will be passed to all mysql clients
 It has been reported that passwords should be enclosed with ticks/quotes
 escpecially if they contain "#" chars...
 Remember to edit /etc/mysql/debian.cnf when changing the socket location.

 Here is entries for some specific programs
 The following values assume you have at least 32M ram

[mysqld_safe]
socket          = /var/run/mysqld/mysqld.sock
nice            = 0

[mysqld]

  Basic Settings

user            = mysql
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
port            = 3306
basedir         = /usr
datadir         = /var/lib/mysql
tmpdir          = /tmp
lc-messages-dir = /usr/share/mysql
skip-external-locking

 Instead of skip-networking the default is now to listen only on
 localhost which is more compatible and is not less secure.
bind-address            = 127.0.0.1

 * Fine Tuning

key_buffer_size         = 16M


max_allowed_packet      = 256M
thread_stack            = 192K
thread_cache_size       = 8
 This replaces the startup script and checks MyISAM tables if needed
 the first time they are touched
myisam-recover-options  = BACKUP
max_connections        = 200
table_cache            = 64
thread_concurrency     = 10

 * Query Cache Configuration

query_cache_limit       = 5M
query_cache_size        = 16M

 * Logging and Replication

 Both location gets rotated by the cronjob.
 Be aware that this log type is a performance killer.
 As of 5.1 you can enable the log at runtime!
general_log_file        = /var/log/mysql/mysql.log
general_log             = 1

 Error log - should be very few entries.

log_error = /var/log/mysql/error.log

 Here you can see queries with especially long duration
log_slow_queries       = /var/log/mysql/mysql-slow.log
long_query_time = 2
log-queries-not-using-indexes

 The following can be used as easy to replay backup logs or for replication.
 note: if you are setting up a replication slave, see README.Debian about
       other settings you may need to change.
server-id              = 1
log_bin                        = /var/log/mysql/mysql-bin.log
expire_logs_days        = 10
max_binlog_size   = 100M
binlog_do_db           = include_database_name
binlog_ignore_db       = include_database_name

 * InnoDB

 InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
 Read the manual for more InnoDB related options. There are many!#
 * Security Features

 Read the manual, too, if you want chroot!
 chroot = /var/lib/mysql/

 For generating SSL certificates I recommend the OpenSSL GUI "tinyca".

 ssl-ca=/etc/mysql/cacert.pem
 ssl-cert=/etc/mysql/server-cert.pem
 ssl-key=/etc/mysql/server-key.pem
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