| 24 |  | Since version 0.9, Trac supports both [http://sqlite.org/ SQLite] , | 
                        | 25 |  | [http://www.postgresql.org/ PostgreSQL] and [http://mysql.com/ MySQL] as | 
                        | 26 |  | database backends.  The default is to use SQLite, which is probably sufficient | 
                        | 27 |  | for most projects. The database file is then stored in the environment | 
                        | 28 |  | directory, and can easily be [wiki:TracBackup backed up] together with the | 
                        | 29 |  | rest of the environment. | 
                      
                        |  | 25 | Since version 0.9, Trac supports both [http://sqlite.org/ SQLite] and | 
                        |  | 26 | [http://www.postgresql.org/ PostgreSQL] database backends.  Preliminary | 
                        |  | 27 | support for [http://mysql.com/ MySQL] was added in 0.10.  The default is | 
                        |  | 28 | to use SQLite, which is probably sufficient for most projects. The database | 
                        |  | 29 | file is then stored in the environment directory, and can easily be | 
                        |  | 30 | [wiki:TracBackup backed up] together with the rest of the environment. | 
            
                      
                        | 55 |  | sudo su - postgres -c createdb trac | 
                        | 56 |  | sudo su - postgres -c psql trac | 
                        | 57 |  | CREATE USER trac-user-name WITH PASSWORD 'trac-pass-name'; | 
                      
                        |  | 69 | createuser -U postgres -E -P tracuser | 
                        |  | 70 | createdb -U postgres -O tracuser -E UTF8 trac | 
                        |  | 71 | }}} | 
                        |  | 72 | When running `createuser` you will be prompted for the password for the user 'tracuser'. This new user will not be a superuser, will not be allowed to create other databases and will not be allowed to create other roles. These privileges are not needed to run a trac instance. If no password is desired for the user, simply remove the `-P` and `-E` options from the `createuser` command.  Also note that the database should be created as UTF8. LATIN1 encoding causes errors trac's use of unicode in trac.  SQL_ASCII also seems to work. | 
                        |  | 73 |  | 
                        |  | 74 | Under some default configurations (debian) one will have run the `createuser` and `createdb` scripts as the `postgres` user.  For example: | 
                        |  | 75 | {{{ | 
                        |  | 76 | sudo su - postgres -c 'createuser -U postgres -S -D -R -E -P tracuser' | 
                        |  | 77 | sudo su - postgres -c 'createdb -U postgres -O tracuser -E UTF8 trac' | 
            
                      
                        | 60 |  | (Just to remind you, if you don't have a sudo/su setup, you just need to do the createdb and psql statements. That threw me the first couple of times I read this.) | 
                      
                        |  | 80 | Trac uses the `public` schema by default but you can specify a different schema in the connection string: | 
                        |  | 81 | {{{ | 
                        |  | 82 | postgres://user:pass@server/database?schema=yourschemaname | 
                        |  | 83 | }}} | 
                        |  | 84 |  | 
                        |  | 85 | === MySQL Connection String === | 
                        |  | 86 |  | 
                        |  | 87 | If you want to use MySQL instead, you'll have to use a | 
                        |  | 88 | different connection string. For example, to connect to a MySQL | 
                        |  | 89 | database on the same machine called `trac`, that allows access to the | 
                        |  | 90 | user `johndoe` with the password `letmein`, the mysql connection string is: | 
                        |  | 91 | {{{ | 
                        |  | 92 | mysql://johndoe:letmein@localhost:3306/trac | 
                        |  | 93 | }}} | 
            
                      
                        | 100 |  | * `plugins` - Environment-specific [wiki:TracPlugins plugins] (Python eggs) | 
                        | 101 |  | * `templates` - Custom environment-specific templates. | 
                      
                        |  | 133 | * `htdocs` - directory containing web resources, which can be referenced in Genshi templates. '''''(0.11 only)''''' | 
                        |  | 134 | * `log` - default directory for log files, if logging is turned on and a relative path is given. | 
                        |  | 135 | * `plugins` - Environment-specific [wiki:TracPlugins plugins] (Python eggs, since [milestone:0.10]) | 
                        |  | 136 | * `templates` - Custom ClearSilver environment-specific templates. '''''(0.10 only)''''' |