896 lines
14 KiB
HTML
896 lines
14 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>System Requirements</TITLE
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>Ingres II HOWTO</TH
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><TD
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WIDTH="10%"
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><A
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>Prev</A
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WIDTH="80%"
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WIDTH="10%"
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VALIGN="bottom"
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>Next</A
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></TD
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="SYSREQ"
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>3. System Requirements</A
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></H1
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><P
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>In this section you will see what hardware and software
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requirements must be met before you can install
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<SPAN
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CLASS="APPLICATION"
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>Ingres</SPAN
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>.
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The ingres user, owner of the installation, makes a debut, too.</P
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="HARDWARE"
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>3.1. Hardware</A
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></H2
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><P
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>The minimal hardware capable of running <SPAN
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CLASS="APPLICATION"
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>Ingres</SPAN
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>
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is:</P
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><P
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></P
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><UL
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><LI
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><P
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>486x33 processor, Pentium recommended.</P
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></LI
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><LI
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><P
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>16 Mb <SPAN
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CLASS="ACRONYM"
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>RAM</SPAN
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>, with 32 Mb swap space (64 Mb
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<SPAN
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CLASS="ACRONYM"
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>RAM</SPAN
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> recommended).</P
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></LI
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><LI
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><P
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>200 Mb disk space if you install everything (150 Mb will do
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for the <SPAN
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CLASS="ACRONYM"
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>SDK</SPAN
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>).
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You do not need to have this space in one file system: we will discuss
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the possibilities in the section <A
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HREF="prep.html"
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>Preparing for the Installation</A
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>.</P
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></LI
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></UL
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><DIV
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CLASS="NOTE"
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><P
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></P
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><TABLE
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CLASS="NOTE"
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WIDTH="100%"
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BORDER="0"
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><TR
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><TD
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WIDTH="25"
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ALIGN="CENTER"
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VALIGN="TOP"
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><IMG
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SRC="../images/note.gif"
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HSPACE="5"
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ALT="Note"></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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>This is the <EM
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>minimum</EM
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> recommended configuration.
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<SPAN
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CLASS="APPLICATION"
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>Ingres</SPAN
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>, like most other <SPAN
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CLASS="ACRONYM"
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>RDBMSs</SPAN
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>,
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is a fairly resource-hungry application.
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While your development system will probably run beatifully on a 166 MHz
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Pentium with 64 Mb <SPAN
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CLASS="ACRONYM"
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>RAM</SPAN
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>, a live system with
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potentially many concurrent users would require more iron.</P
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></TD
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></TR
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></TABLE
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></DIV
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="SOFTWARE"
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>3.2. Software</A
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></H2
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><P
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>The following software must be present for
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<SPAN
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CLASS="APPLICATION"
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>Ingres</SPAN
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> to run:</P
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><P
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></P
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><UL
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><LI
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><P
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>kernel 2.0.34 or higher.</P
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></LI
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><LI
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><P
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>libcrypt.so - this library is not included in every Linux
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distribution.
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If this is the case with your system, check your distribution's
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Web site: they must have it somewhere.</P
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></LI
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><LI
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><P
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>uncompress - certain
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Linux distributions (such as Caldera's Open Linux 2.2) do not
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contain the <SPAN
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CLASS="APPLICATION"
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>ncompress</SPAN
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> package.
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Again, check your distribution's Web site if you do not have it.</P
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></LI
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></UL
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><P
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>Working glibc versions:</P
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><DIV
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CLASS="INFORMALTABLE"
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><A
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NAME="AEN300"
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></A
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><P
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></P
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><TABLE
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BORDER="1"
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CLASS="CALSTABLE"
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><THEAD
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><TR
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><TH
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>glibc
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</TH
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><TH
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>SDK
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</TH
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><TH
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>Full Version
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</TH
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></TR
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></THEAD
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><TBODY
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><TR
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>glibc 2.07 (eg RedHat 5.2)
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</TD
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>Yes.
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</TD
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>No.
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</TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>glibc 2.1 (eg RedHat 6.0)
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</TD
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>Yes but you need the RedHat compatibility packages and an
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<SPAN
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CLASS="APPLICATION"
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>Ingres</SPAN
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> patch to be able to use
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the forms-based development tools.
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See <A
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HREF="misc.html#FORMS"
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>Forms-Based Development Tools</A
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> for details.
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</TD
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>Yes.
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</TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>glibc 2.1.1, 2.1.2 (eg RedHat 6.1)
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</TD
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>No.
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</TD
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>Yes.
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</TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>glibc 2.1.3 (eg RedHat 6.2)
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</TD
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>See glibc 2.1.
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</TD
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><TD
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WIDTH="33%"
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ALIGN="CENTER"
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VALIGN="TOP"
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>Yes.
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</TD
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></TR
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></TBODY
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></TABLE
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><P
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></P
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></DIV
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><P
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>If you are unsure of the version of your glibc, check the
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<TT
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CLASS="FILENAME"
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>/lib</TT
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> directory:</P
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><TABLE
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BORDER="0"
|
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BGCOLOR="#E0E0E0"
|
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WIDTH="100%"
|
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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># ls -l /lib/libc*so
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>The output should be something like:</P
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><TABLE
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BORDER="1"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
|
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><TR
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><TD
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><FONT
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COLOR="#000000"
|
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><PRE
|
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CLASS="SCREEN"
|
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>-rwxr-xr-x ... /lib/libc-2.1.3.so
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</PRE
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></FONT
|
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></TD
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></TR
|
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></TABLE
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><P
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>The version of my glibc is apparently 2.1.3.</P
|
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><DIV
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CLASS="NOTE"
|
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><P
|
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></P
|
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><TABLE
|
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CLASS="NOTE"
|
|
WIDTH="100%"
|
|
BORDER="0"
|
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><TR
|
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><TD
|
|
WIDTH="25"
|
|
ALIGN="CENTER"
|
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VALIGN="TOP"
|
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><IMG
|
|
SRC="../images/note.gif"
|
|
HSPACE="5"
|
|
ALT="Note"></TD
|
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><TD
|
|
ALIGN="LEFT"
|
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VALIGN="TOP"
|
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><P
|
|
>There is no guarantee that if your system meets the above
|
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requirements you will be able to install <SPAN
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CLASS="APPLICATION"
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>Ingres</SPAN
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>
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on it.
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Sticking to a distribution that is explicitly mentioned in the
|
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release notes of your <SPAN
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CLASS="APPLICATION"
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>Ingres</SPAN
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> version is the
|
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best way to avoid installation problems.</P
|
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></TD
|
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></TR
|
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></TABLE
|
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></DIV
|
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></DIV
|
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><DIV
|
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CLASS="SECT2"
|
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><H2
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CLASS="SECT2"
|
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><A
|
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NAME="KERNEL"
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>3.3. Kernel Parameters</A
|
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></H2
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><P
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>The default settings of the Linux kernel are adequate for a
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development <SPAN
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CLASS="APPLICATION"
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>Ingres</SPAN
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> environment.
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For a live system, however, probably to increase the size of the database
|
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cache(s), you may want to change the built-in value of the
|
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<TT
|
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CLASS="PARAMETER"
|
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><I
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>SHMMAX</I
|
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></TT
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> parameter.
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This parameter sets the maximum size of a shared memory segment.
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By default, it is 32 Mb which allows for a somewhat lesser buffer cache.</P
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><P
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>You have two choices to change the value of <TT
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CLASS="PARAMETER"
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><I
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>SHMMAX</I
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></TT
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>:
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</P
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><P
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>As root, simply <B
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CLASS="COMMAND"
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>echo</B
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> the new value into
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<TT
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CLASS="FILENAME"
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>/proc/sys/kernel/shmmax</TT
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>:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="PROGRAMLISTING"
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>#echo 83886080 > /proc/sys/kernel/shmmax
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>In the example above, we set the value of <TT
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CLASS="PARAMETER"
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><I
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>SHMMAX</I
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></TT
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>
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to 80 Mb.
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The change takes effect immediately but after a reboot, the original value
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is restored.</P
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><P
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>The other possibility is to change <TT
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CLASS="PARAMETER"
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><I
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>SHMMAX</I
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></TT
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>'s
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default value in the kernel source (the relevant header file is
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<TT
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CLASS="FILENAME"
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>/usr/src/linux/include/asm/shmparam.h</TT
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> if you have
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installed the source).
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In this case, you may also have to modify other parameters in the file, then
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rebuild the kernel.
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I suggest you do it only if you know what you are doing.
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For information on how to configure and compile the kernel see
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<A
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HREF="http://www.linuxdoc.org/HOWTO/Kernel-HOWTO.html"
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TARGET="_top"
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> The Linux Kernel HOWTO</A
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> by Brian Ward.</P
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></DIV
|
|
><DIV
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CLASS="SECT2"
|
|
><H2
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CLASS="SECT2"
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><A
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NAME="INGUSER"
|
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>3.4. The ingres User and II_SYSTEM</A
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></H2
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><P
|
|
>We need an account called ingres to install and run
|
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<SPAN
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CLASS="APPLICATION"
|
|
>Ingres</SPAN
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>.
|
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He will own the installed software and only he can perform system
|
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management tasks such as starting and stopping
|
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<SPAN
|
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CLASS="APPLICATION"
|
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>Ingres</SPAN
|
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>.</P
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><P
|
|
>The ingres user may belong to any group.
|
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In the following example, we will create a separate group for him.</P
|
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><P
|
|
>The verified (therefore, recommended) shell for the ingres user is
|
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<B
|
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CLASS="COMMAND"
|
|
>bash</B
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>.
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All examples in this paper apply to this shell.
|
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If you use some other shell (which is probably just as fine),
|
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take into account the differences in syntax.</P
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|
><P
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|
>The binaries, shared libraries, configuration files and
|
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other files which make up the <SPAN
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CLASS="APPLICATION"
|
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>Ingres</SPAN
|
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> software,
|
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will be located in a tree structure after installation.
|
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You will set the root of this tree via the shell variable
|
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<TT
|
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CLASS="ENVAR"
|
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>II_SYSTEM</TT
|
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> in the environment of the ingres user (to be exact,
|
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the root directory will be
|
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<TT
|
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CLASS="FILENAME"
|
|
>$II_SYSTEM/ingres</TT
|
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>).</P
|
|
><P
|
|
>If you plan to install the whole software, either the
|
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<SPAN
|
|
CLASS="ACRONYM"
|
|
>SDK</SPAN
|
|
>, or the full version, make sure you have
|
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the following free space under
|
|
<TT
|
|
CLASS="FILENAME"
|
|
>$II_SYSTEM/ingres</TT
|
|
>:</P
|
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><DIV
|
|
CLASS="INFORMALTABLE"
|
|
><A
|
|
NAME="AEN371"
|
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></A
|
|
><P
|
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></P
|
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><TABLE
|
|
BORDER="1"
|
|
CLASS="CALSTABLE"
|
|
><THEAD
|
|
><TR
|
|
><TH
|
|
WIDTH="50%"
|
|
ALIGN="CENTER"
|
|
VALIGN="TOP"
|
|
>SDK
|
|
</TH
|
|
><TH
|
|
WIDTH="50%"
|
|
ALIGN="CENTER"
|
|
VALIGN="TOP"
|
|
>Full Version
|
|
</TH
|
|
></TR
|
|
></THEAD
|
|
><TBODY
|
|
><TR
|
|
><TD
|
|
WIDTH="50%"
|
|
ALIGN="CENTER"
|
|
VALIGN="TOP"
|
|
>70 Mb
|
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</TD
|
|
><TD
|
|
WIDTH="50%"
|
|
ALIGN="CENTER"
|
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VALIGN="TOP"
|
|
>90 Mb
|
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</TD
|
|
></TR
|
|
></TBODY
|
|
></TABLE
|
|
><P
|
|
></P
|
|
></DIV
|
|
><P
|
|
>10 Mb extra free space is needed during installation.</P
|
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><DIV
|
|
CLASS="TIP"
|
|
><P
|
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></P
|
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><TABLE
|
|
CLASS="TIP"
|
|
WIDTH="100%"
|
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BORDER="0"
|
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><TR
|
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><TD
|
|
WIDTH="25"
|
|
ALIGN="CENTER"
|
|
VALIGN="TOP"
|
|
><IMG
|
|
SRC="../images/tip.gif"
|
|
HSPACE="5"
|
|
ALT="Tip"></TD
|
|
><TD
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
><P
|
|
>If this is the first time you install
|
|
<SPAN
|
|
CLASS="APPLICATION"
|
|
>Ingres</SPAN
|
|
> (I hope you start with the
|
|
<SPAN
|
|
CLASS="ACRONYM"
|
|
>SDK</SPAN
|
|
>, not a live system), I suggest you
|
|
keep the whole installation (the <SPAN
|
|
CLASS="APPLICATION"
|
|
>Ingres</SPAN
|
|
> software,
|
|
databases, backups, sort areas, etc.) in one place so that you can find
|
|
every component easily.
|
|
If you have at least 150-200 Mb free space under
|
|
<TT
|
|
CLASS="FILENAME"
|
|
>$II_SYSTEM/ingres</TT
|
|
>
|
|
and you do not plan to create large databases (at least, not
|
|
for some time), your system will work without problems.
|
|
Should you at any later time run out of space, you will always
|
|
have the possibility to relocate some of your databases to other
|
|
partitions.</P
|
|
></TD
|
|
></TR
|
|
></TABLE
|
|
></DIV
|
|
><P
|
|
>In the following, I will assume that <TT
|
|
CLASS="ENVAR"
|
|
>II_SYSTEM</TT
|
|
> is set to
|
|
<TT
|
|
CLASS="FILENAME"
|
|
>/opt</TT
|
|
>.</P
|
|
><P
|
|
>Logging in as root, execute the tasks mentioned above:</P
|
|
><TABLE
|
|
BORDER="0"
|
|
BGCOLOR="#E0E0E0"
|
|
WIDTH="100%"
|
|
><TR
|
|
><TD
|
|
><FONT
|
|
COLOR="#000000"
|
|
><PRE
|
|
CLASS="PROGRAMLISTING"
|
|
># useradd -d /opt/ingres -s /bin/bash ingres
|
|
# chmod 755 /opt/ingres
|
|
# passwd ingres
|
|
</PRE
|
|
></FONT
|
|
></TD
|
|
></TR
|
|
></TABLE
|
|
><P
|
|
>The <B
|
|
CLASS="COMMAND"
|
|
>useradd</B
|
|
> command creates a group with the same
|
|
name as the new user if you do not specify the group on the command line.
|
|
It also creates the user's home directory.</P
|
|
><P
|
|
>We set the home directory of ingres to
|
|
<TT
|
|
CLASS="FILENAME"
|
|
>/opt/ingres</TT
|
|
>
|
|
(<TT
|
|
CLASS="FILENAME"
|
|
>$II_SYSTEM/ingres</TT
|
|
>).
|
|
This is not mandatory but convenient.
|
|
</P
|
|
><P
|
|
>Finally, append the following lines to the <TT
|
|
CLASS="FILENAME"
|
|
>.bashrc</TT
|
|
>
|
|
file of ingres:</P
|
|
><TABLE
|
|
BORDER="0"
|
|
BGCOLOR="#E0E0E0"
|
|
WIDTH="100%"
|
|
><TR
|
|
><TD
|
|
><FONT
|
|
COLOR="#000000"
|
|
><PRE
|
|
CLASS="PROGRAMLISTING"
|
|
>umask 022
|
|
export II_SYSTEM=/opt
|
|
export PATH=$II_SYSTEM/ingres/bin:$II_SYSTEM/ingres/utility:$PATH
|
|
export LD_LIBRARY_PATH=/lib:/usr/lib:$II_SYSTEM/ingres/lib
|
|
export ING_EDIT=/bin/vi
|
|
if [ -n "$DISPLAY" ]
|
|
then
|
|
export TERM_INGRES=vt100fx
|
|
else
|
|
export TERM_INGRES=vt100f
|
|
fi
|
|
</PRE
|
|
></FONT
|
|
></TD
|
|
></TR
|
|
></TABLE
|
|
><P
|
|
><TT
|
|
CLASS="ENVAR"
|
|
>ING_EDIT</TT
|
|
> sets the editor that can be called from
|
|
<SPAN
|
|
CLASS="APPLICATION"
|
|
>Ingres</SPAN
|
|
> utilities or application programs.
|
|
Naturally, you can use any editor, not just <B
|
|
CLASS="COMMAND"
|
|
>vi</B
|
|
>.
|
|
You must, however, specify the whole access path to the program.
|
|
(If you stick to <B
|
|
CLASS="COMMAND"
|
|
>vi</B
|
|
>, check if it is under
|
|
<TT
|
|
CLASS="FILENAME"
|
|
>/bin</TT
|
|
>: it may be somewhere else
|
|
in your system.)</P
|
|
><DIV
|
|
CLASS="NOTE"
|
|
><P
|
|
></P
|
|
><TABLE
|
|
CLASS="NOTE"
|
|
WIDTH="100%"
|
|
BORDER="0"
|
|
><TR
|
|
><TD
|
|
WIDTH="25"
|
|
ALIGN="CENTER"
|
|
VALIGN="TOP"
|
|
><IMG
|
|
SRC="../images/note.gif"
|
|
HSPACE="5"
|
|
ALT="Note"></TD
|
|
><TD
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
><P
|
|
>If the <TT
|
|
CLASS="ENVAR"
|
|
>EDITOR</TT
|
|
> shell variable is set, it overrides
|
|
the value of <TT
|
|
CLASS="ENVAR"
|
|
>ING_EDIT</TT
|
|
>.</P
|
|
></TD
|
|
></TR
|
|
></TABLE
|
|
></DIV
|
|
><P
|
|
>Setting <TT
|
|
CLASS="ENVAR"
|
|
>TERM_INGRES</TT
|
|
> is necessary for the terminal to
|
|
work properly.
|
|
Forms-based <SPAN
|
|
CLASS="APPLICATION"
|
|
>Ingres</SPAN
|
|
> utilities, such as the
|
|
installer itself, and also applications created with traditional
|
|
<SPAN
|
|
CLASS="APPLICATION"
|
|
>Ingres</SPAN
|
|
> development tools
|
|
(<SPAN
|
|
CLASS="ACRONYM"
|
|
>ABF</SPAN
|
|
>, Vision) make heavy use of function keys.
|
|
The <TT
|
|
CLASS="FILENAME"
|
|
>.bashrc</TT
|
|
> above sets <TT
|
|
CLASS="ENVAR"
|
|
>TERM_INGRES</TT
|
|
>
|
|
according to the terminal type (X, or VT100-like).</P
|
|
><P
|
|
>These settings must be included in the <TT
|
|
CLASS="FILENAME"
|
|
>.bashrc</TT
|
|
>
|
|
file of every <SPAN
|
|
CLASS="APPLICATION"
|
|
>Ingres</SPAN
|
|
> user.</P
|
|
></DIV
|
|
></DIV
|
|
><DIV
|
|
CLASS="NAVFOOTER"
|
|
><HR
|
|
ALIGN="LEFT"
|
|
WIDTH="100%"><TABLE
|
|
WIDTH="100%"
|
|
BORDER="0"
|
|
CELLPADDING="0"
|
|
CELLSPACING="0"
|
|
><TR
|
|
><TD
|
|
WIDTH="33%"
|
|
ALIGN="left"
|
|
VALIGN="top"
|
|
><A
|
|
HREF="ingres.html"
|
|
>Prev</A
|
|
></TD
|
|
><TD
|
|
WIDTH="34%"
|
|
ALIGN="center"
|
|
VALIGN="top"
|
|
><A
|
|
HREF="index.html"
|
|
>Home</A
|
|
></TD
|
|
><TD
|
|
WIDTH="33%"
|
|
ALIGN="right"
|
|
VALIGN="top"
|
|
><A
|
|
HREF="prep.html"
|
|
>Next</A
|
|
></TD
|
|
></TR
|
|
><TR
|
|
><TD
|
|
WIDTH="33%"
|
|
ALIGN="left"
|
|
VALIGN="top"
|
|
>Ingres</TD
|
|
><TD
|
|
WIDTH="34%"
|
|
ALIGN="center"
|
|
VALIGN="top"
|
|
> </TD
|
|
><TD
|
|
WIDTH="33%"
|
|
ALIGN="right"
|
|
VALIGN="top"
|
|
>Preparing for the Installation</TD
|
|
></TR
|
|
></TABLE
|
|
></DIV
|
|
></BODY
|
|
></HTML
|
|
> |