244 lines
3.7 KiB
HTML
244 lines
3.7 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Using the Secondary Distributions</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="Development for Multiple Linux Distributions mini-HOWTO"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="Setup"
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HREF="setup.html"><LINK
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REL="NEXT"
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TITLE="Credits"
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HREF="credits.html"></HEAD
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BGCOLOR="#FFFFFF"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>Development for Multiple Linux Distributions mini-HOWTO</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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>Prev</A
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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="USE">3. Using the Secondary Distributions</H1
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><P
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>With the secondary distributions installed, the steps to use
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them are: </P
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><P
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></P
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><OL
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TYPE="1"
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><LI
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><P
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>It is important to use a 2.4-series or newer Linux kernel in the
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"primary" Linux distribution in order to take advantage of the
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multiple mount points feature that the 2.4-series permits. For many
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tasks, the <TT
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CLASS="FILENAME"
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>/proc</TT
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> and <TT
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CLASS="FILENAME"
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>/tmp</TT
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>
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filesystems will have to be remounted in the secondary distribution
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using:
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="90%"
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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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>mount --bind /proc /opt/distros/redhat_6.2/proc
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mount --bind /tmp /opt/distros/redhat_6.2/tmp</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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>
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</P
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></LI
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><LI
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><P
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>Also, it can be helpful to remount (rather than copy) the source tree
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from the primary to the secondary distro:
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="90%"
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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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>mount --bind /home/USER/src/PROJECT /opt/distros/redhat_6.2/USER/src/PROJECT</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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>
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</P
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></LI
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><LI
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><P
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>Become root and use:
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="90%"
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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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>xhost +localhost chroot /opt/distros/redhat_6.2
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/bin/bash</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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> to obtain a shell with one of the secondary
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distros. Note that the <TT
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CLASS="FILENAME"
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>xhost</TT
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> command is only
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necessary if you intend to use X-windows applications.
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</P
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></LI
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><LI
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><P
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>Finally, create a user (if necessary) within the
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<TT
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CLASS="FILENAME"
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>chroot</TT
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>-ed shell and develop, build, and/or test
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your application within this "separate" Linux distribution! Not that
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you may also have to specify your <TT
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CLASS="FILENAME"
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>DISPLAY</TT
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>
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environment variable if you'd like to use X applications.
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</P
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></LI
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></OL
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><P
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>Done! You now have a shell that is, for all practical
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purposes, running within the secondary Linux distribution of your
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choice. </P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="setup.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="credits.html"
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ACCESSKEY="N"
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>Next</A
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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="left"
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VALIGN="top"
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>Setup</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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> </TD
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><TD
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
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>Credits</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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> |