add mariadb start

database/README.md

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+# databases
+
+## sql DBs
+
+### [mariadb](/database/mariadb/)
+    https://mariadb.org/
+
+### [postgres](/database/postgres/)
+    https://www.postgresql.org/

database/mariadb/my.cnf

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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.
+[client]
+port		= 3306
+socket		= /var/run/mysqld/mysqld.sock
+
+# Here is entries for some specific programs
+# The following values assume you have at least 32M ram
+
+# This was formally known as [safe_mysqld]. Both versions are currently parsed.
+[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
+skip-character-set-client-handshake
+default-storage-engine = InnoDB
+character-set-server = utf8
+transaction-isolation = READ-COMMITTED
+
+#
+# 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		      = 16M
+max_allowed_packet	= 16M
+thread_stack		    = 192K
+thread_cache_size   = 16
+# This replaces the startup script and checks MyISAM tables if needed
+# the first time they are touched
+myisam-recover         = BACKUP
+max_connections        = 300
+table_open_cache       = 64
+thread_concurrency     = 10
+table_open_cache       = 32
+thread_concurrency     =  4
+
+#
+# * Query Cache Configuration
+#
+query_cache_type   = 1
+query_cache_limit	= 1M
+query_cache_size   = 8M
+#
+# * 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
+slow_query_log       = 1
+slow_query_log_file	= /var/log/mysql/mysql-slow.log
+long_query_time      = 1
+#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	= 14
+max_binlog_size         = 1G
+#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
+innodb_data_file_path = ibdata1:128M:autoextend
+innodb_file_per_table = 1
+skip-innodb_doublewrite
+innodb_additional_mem_pool_size = 12M
+innodb_buffer_pool_size         = 256M
+innodb_log_buffer_size          = 8M
+innodb_log_file_size            = 8M
+innodb_flush_log_at_trx_commit  = 0
+innodb_flush_method             = O_DIRECT
+innodb_support_xa               = OFF
+
+
+[mysqldump]
+quick
+quote-names
+max_allowed_packet	= 16M
+
+[mysql]
+#no-auto-rehash	# faster start of mysql but no tab completition
+
+[isamchk]
+key_buffer		= 16M
+
+#
+# * IMPORTANT: Additional settings that can override those from this file!
+#   The files must end with '.cnf', otherwise they'll be ignored.
+#
+!includedir /etc/mysql/conf.d/