Machine/Discovery One/Node: Difference between revisions

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 == Components ==
+=== Web ===
 === Database ===
+===Install needed packages===
+ apt-get install mysql-client-5.0 mysql-server-5.0
+===Create database and set permissions===
+ mysqladmin -u root -p create activities
+ mysql -u root -p
+ GRANT ALL ON *.* TO 'activities'@'xxx.xxx.xxx' IDENTIFIED BY 'XXXX';
+ exit;
+===Configuring database===
+/etc/mysql/my.cnf
+<pre>
+[mysqld_safe]
+socket          = /var/run/mysqld/mysqld.sock
+nice            = 0
+[mysqld]
+# * IMPORTANT
+#   If you make changes to these settings and your system uses apparmor, you may
+#   also need to also adjust /etc/apparmor.d/usr.sbin.mysqld.
+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
+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
+# * Tuning
+#
+tmp_table_size          = 16M
+innodb_buffer_pool_size = 1024M
+key_buffer              = 64M
+max_allowed_packet      = 16M
+thread_stack            = 128K
+thread_cache_size       = 8
+# This replaces the startup script and checks MyISAM tables if needed
+# the first time they are touched
+myisam-recover          = BACKUP
+max_connections         = 151
+table_cache             = 128
+#thread_concurrency     = 10
+query_cache_limit       = 2M
+query_cache_size        = 32M
+# * Logging and Replication
+#
+# Both location gets rotated by the cronjob.
+# Be aware that this log type is a performance killer.
+#log            = /var/log/mysql/mysql.log
+#
+# Error logging goes to syslog. This is a Debian improvement :)
+#
+# Here you can see queries with especially long duration
+log_slow_queries        = /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        = 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!
+# You might want to disable InnoDB to shrink the mysqld process by circa 100MB.
+#skip-innodb
+#
+# * Federated
+#
+# The FEDERATED storage engine is disabled since 5.0.67 by default in the .cnf files
+# shipped with MySQL distributions (my-huge.cnf, my-medium.cnf, and so forth).
+#
+#
+# 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
+[mysqldump]
+quick
+quote-names
+max_allowed_packet      = 16M
+[mysql]
+#no-auto-rehash # faster start of mysql but no tab completition
+[isamchk]
+key_buffer              = 16M
+#
+# * NDB Cluster
+#
+# See /usr/share/doc/mysql-server-*/README.Debian for more information.
+#
+# The following configuration is read by the NDB Data Nodes (ndbd processes)
+# not from the NDB Management Nodes (ndb_mgmd processes).
+#
+# [MYSQL_CLUSTER]
+# ndb-connectstring=127.0.0.1
+#
+# * 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/
+</pre>
+===Log Rotate===
+/etc/logrotate.d/mysql-server
+<pre>
+# - I put everything in one block and added sharedscripts, so that mysql gets
+#   flush-logs'd only once.
+#   Else the binary logs would automatically increase by n times every day.
+# - The error log is obsolete, messages go to syslog now.
+/var/log/mysql.log /var/log/mysql/mysql.log /var/log/mysql/mysql-slow.log {
+        daily
+        rotate 7
+        missingok
+        create 640 mysql adm
+        compress
+        sharedscripts
+        postrotate
+                test -x /usr/bin/mysqladmin || exit 0
+                # If this fails, check debian.conf!
+                MYADMIN="/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf"
+                if [ -z "`$MYADMIN ping 2>/dev/null`" ]; then
+                  # Really no mysqld or rather a missing debian-sys-maint user?
+                  # If this occurs and is not a error please report a bug.
+                  if ps cax | grep -q mysqld; then
+                    exit 1
+                  fi
+                else
+                  $MYADMIN flush-logs
+                fi
+        endscript
+}
+</pre>