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37e55354
编写于
11月 28, 2001
作者:
B
Bruce Momjian
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电子邮件补丁
差异文件
Add mention of init -W flag for security.
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220d0068
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doc/src/sgml/runtime.sgml
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doc/src/sgml/runtime.sgml
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37e55354
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.9
7 2001/11/21 06:09:45 thomas
Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.9
8 2001/11/28 00:13:30 momjian
Exp $
-->
<Chapter Id="runtime">
...
...
@@ -51,28 +51,28 @@ $Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.97 2001/11/21 06:09:45 tho
<para>
Before you can do anything, you must initialize a database storage
area on disk. We call this a <firstterm>database
cluster</firstterm>. (<acronym>SQL</acronym> speaks of a catalog
cluster instead.) A database cluster is a collection of databases
th
at will be accessible through a single instance of a running
database server. After initialization, a database cluster will
contain one database named <literal>template1</literal>. As the
name suggests, this will be used as a template for any subsequently
created database; it should not be
used for actual work.
area on disk. We call this a <firstterm>database
cluster</firstterm>.
(<acronym>SQL</acronym> speaks of a catalog cluster instead.) A
database cluster is a collection of databases that will be accessible
th
rough a single instance of a running database server. After
initialization, a database cluster will contain one database named
<literal>template1</literal>. As the name suggests, this will be used
as a template for any subsequently created database; it should not be
used for actual work.
</para>
<para>
In file system terms, a database cluster will be a single directory
under which all data will be stored. We call this the
<firstterm>data directory</firstterm> or <firstterm>data
area</firstterm>. It is completely up to you where you choose t
o
store your data, there is no
default, although locations such as
under which all data will be stored. We call this the
<firstterm>data
directory</firstterm> or <firstterm>data area</firstterm>. It is
completely up to you where you choose to store your data, there is n
o
default, although locations such as
<filename>/usr/local/pgsql/data</filename> or
<filename>/var/lib/pgsql/data</filename> are popular. To initialize
a database cluster, use the command <command>initdb</command>,
which is installed with <productname>PostgreSQL</productname>. The
desired file system location of your database system is indicated
by the
<option>-D</option> option, for example
<filename>/var/lib/pgsql/data</filename> are popular. To initialize
a
database cluster, use the command <command>initdb</command>, which is
installed with <productname>PostgreSQL</productname>. The desired
file system location of your database system is indicated by the
<option>-D</option> option, for example
<screen>
> <userinput>initdb -D /usr/local/pgsql/data</userinput>
</screen>
...
...
@@ -118,6 +118,19 @@ postgres> <userinput>initdb -D /usr/local/pgsql/data</userinput>
permissions from everyone but the <productname>PostgreSQL</productname> user account.
</para>
<para>
However, while the directory contents are secure, the default
<filename>pg_hba.conf</filename> authentication of
<literal>trust</literal> allows any local user to become the
superuser and connect to the database. If you don't trust your local
users, we recommend you use the <command>initdb</command> option
<option>-W</option> or <option>--pwprompt</option> to assign a
password to the superuser and modify your
<filename>pg_hba.conf</filename> accordingly. (Another option:
Your operating system may support <literal>ident</literal> for
local connections.)
</para>
<para>
<indexterm><primary>LC_COLLATE</></>
One surprise you might encounter while running <command>initdb</command> is
...
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