我最近使用 apt-get install 在 Ubuntu 10.0.4 上安装了 pg 8.4。
它将 pg 安装为一项服务,该服务在机器启动时启动。但是,我已经在我希望 postgres 使用的特定位置创建了一个数据库集群。
这是我如何创建集群的命令行输出:
username@jupiter:~$ sudo /usr/lib/postgresql/8.4/bin/initdb --encoding=UTF8 --pgdata=/mydata/pgdbdata/
initdb: cannot be run as root
Please log in (using, e.g., "su") as the (unprivileged) user that will
own the server process.
username@jupiter:~$ /usr/lib/postgresql/8.4/bin/initdb --encoding=UTF8 --pgdata=/mydata/pgdbdata/
The files belonging to this database system will be owned by user "username".
This user must also own the server process.
The database cluster will be initialized with locale en_US.utf8.
The default text search configuration will be set to "english".
fixing permissions on existing directory /mydata/pgdbdata ... ok
creating subdirectories ... ok
selecting default max_connections ... 100
selecting default shared_buffers ... 24MB
creating configuration files ... ok
creating template1 database in /mydata/pgdbdata/base/1 ... ok
initializing pg_authid ... ok
initializing dependencies ... ok
creating system views ... ok
loading system objects' descriptions ... ok
creating conversions ... ok
creating dictionaries ... ok
setting privileges on built-in objects ... ok
creating information schema ... ok
vacuuming database template1 ... ok
copying template1 to template0 ... ok
copying template1 to postgres ... ok
WARNING: enabling "trust" authentication for local connections
You can change this by editing pg_hba.conf or using the -A option the
next time you run initdb.
Success. You can now start the database server using:
/usr/lib/postgresql/8.4/bin/postgres -D /mydata/pgdbdata
or
/usr/lib/postgresql/8.4/bin/pg_ctl -D /mydata/pgdbdata -l logfile start
username@jupiter:~$
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现在,我尝试启动 postgresql 服务:
这是命令行输出:
username@jupiter:~$ /usr/lib/postgresql/8.4/bin/pg_ctl start -D /mydata/pgdbdata/
server starting
username@jupiter:~$ FATAL: could not create lock file "/var/run/postgresql/.s.PGSQL.5432.lock": Permission denied
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所以我有两个问题:
如何启动服务并指定数据位置(我做错了什么?)
我希望在机器启动/重新启动时启动服务,以使用新的数据目录。我需要编辑哪个文件以确保我始终使用正确的数据文件夹获得服务?
有错误提示...问题是您将 initdb 作为本地登录名运行,但我很高兴您的登录名 ( username
) 无权访问/var/run/postgresql
. 如果您有全新安装,我可以建议您删除数据目录并重新开始,这次是通过 su-ing 进入 postgres 帐户:
username@jupiter:~$ sudo su - postgres
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然后你可以 initdb
postgres@jupiter:~$ /usr/lib/postgresql/8.4/bin/initdb --encoding=UTF8 --pgdata=/mydata/pgdbdata/
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此外,正如 Catcall 所提到的,请确保您使用的数据位置正确。