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diff --git a/doc/src/uml-rhroot.html b/doc/src/uml-rhroot.html new file mode 100644 index 000000000..ca05a2073 --- /dev/null +++ b/doc/src/uml-rhroot.html @@ -0,0 +1,116 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> +<HTML> + <HEAD> + <TITLE>Building a RedHat root image</TITLE> + <!-- Created by: Michael Richardson, 22-Nov-2001 --> + <!-- Changed by: Michael Richardson, 22-Nov-2001 --> + + + </HEAD> + <BODY> + <H1>Building a RedHat root image</H1> + +<P> +The image required to use User-Mode-Linux is just a normal set of executables. +These can be extracted from a RedHat distribution using the following proceedure. +</P> + +<P> +There is a script in testing/utils called <CODE>uml-rhroot.sh</CODE>. It takes +two arguments: +<UL> +<LI> a directory in which to put resulting directory tree. +<LI> a directory tree containing the RedHat distribution RPMs. This may be + in one of three forms: +<UL> +<LI> a directory containing the directories "disc1" and "disc2". These + could be ISO images that are mounted loopback via, for instance: +<PRE> +<CODE> +mkdir -p /distros/redhat/7.2/disc1 /distros/redhat/7.2/disc1 +mount -t iso9660 -o loop,ro /distros/redhat/7.2/enigma-i386-disc1.iso /distros/redhat/7.2/disc1 +mount -t iso9660 -o loop,ro /distros/redhat/7.2/enigma-i386-disc2.iso /distros/redhat/7.2/disc2 +</CODE> +</PRE> +or even two real CDroms mounted somewhere. In the example above, use "/distros/redhat/7.2" as the distribution directory. +</LI> +<LI> a directory containing a "merged" disc1 and disc2 as suggested by RedHat in <A HREF="http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/install-guide/s1-install-network.html#S2-INSTALL-SETUPSERVER">http://www.redhat.com/docs/manuals/linux/RHL-7.2-Manual/install-guide/s1-install-network.html under "Setting up the Server"</A>. +<LI> a directory containing all the required RPMs. (See <A HREF="uml-rhroot-list7.2.txt">list of RPMs</A>)</LI> +</UL> +</UL> +</P> + +<P>The unpacked distribution will take approximately 133Mb. You will + want to locate this on the same partition as your intended root + trees for your User-Mode-Linux's as this will permit hard links to + be used, saving disk space. +</P> + +<P> + Because the RPM command used uses the chroot(2) system call and + needs to change ownership of the files that it creates, it must be + run as root. Afterward, you should chown the entire directory to the + userid that you will be using for testing (i.e. probably + yours). It should eventually suffices to make sure that you can read + every file. +</P> + +<P> +You should be able to chroot to this directory and run programs. If +you can not at least run ls, then there is a problem. +</P> +<P> +Expect a couple of errors about install-info. +</P> + +<P> +An example: +<PRE> +<CODE> +Script started on Thu Nov 22 15:51:15 2001 +cassidy:/c2/user-mode-linux# df +Filesystem 1k-blocks Used Available Use% Mounted on +/dev/hda1 3844408 1673528 1975584 46% / +/dev/hda3 12495048 1823404 10036884 16% /home +/dev/hdc1 10325748 805056 8996172 9% /c1 +/dev/hdc2 10325780 4815160 4986100 50% /c2 +/dev/hdc3 10325780 2972480 6828780 31% /c3 +/dev/hdc4 7495084 3059640 4054704 44% /c4 +/distros/redhat/7.2/enigma-i386-disc1.iso + 662072 662072 0 100% /distros/redhat/7.2/disc1 +/distros/redhat/7.2/enigma-i386-disc2.iso + 653740 653740 0 100% /distros/redhat/7.2/disc2 +cassidy:/c2/user-mode-linux# /c2/freeswan/sandbox-main/testing/utils/uml-rhroot.sh +Usage: /c2/freeswan/sandbox-main/testing/utils/uml-rhroot.sh rootdir cdimagedir +cassidy:/c2/user-mode-linux# /c2/freeswan/sandbox-main/testing/utils/uml-rhroot.sh /c2/user-mode-linux/rpm-root/root /distros/redhat/7.2 +Assuming RH disc1 at /distros/redhat/7.2/disc1/RedHat/RPMS + and disc2 at /distros/redhat/7.2/disc2/RedHat/RPMS +/var/tmp/rpm-tmp.99149: /sbin/install-info: No such file or directory +error: execution of %post scriptlet from textutils-2.0.14-2 failed, exit status 127 +cat: /proc/mounts: No such file or directory +warning: /var/lib/rpm/Basenames created as /var/lib/rpm/Basenames.rpmnew +warning: /var/lib/rpm/Conflictname created as /var/lib/rpm/Conflictname.rpmnew +warning: /var/lib/rpm/Group created as /var/lib/rpm/Group.rpmnew +warning: /var/lib/rpm/Name created as /var/lib/rpm/Name.rpmnew +warning: /var/lib/rpm/Packages created as /var/lib/rpm/Packages.rpmnew +warning: /var/lib/rpm/Providename created as /var/lib/rpm/Providename.rpmnew +warning: /var/lib/rpm/Requirename created as /var/lib/rpm/Requirename.rpmnew +warning: /var/lib/rpm/Triggername created as /var/lib/rpm/Triggername.rpmnew +You should now chown it to yourself. +cassidy:/c2/user-mode-linux# chown -R mcr rpm-root/root +cassidy:/c2/user-mode-linux# ls rpm-root/root +bin dev home lib opt root tmp var +boot etc initrd mnt proc sbin usr +cassidy:/c2/user-mode-linux# chroot rpm-root/root +cassidy:/# ls +bin dev home lib opt root tmp var +boot etc initrd mnt proc sbin usr +cassidy:/# exit +cassidy:/c2/user-mode-linux# exit +Script done on Thu Nov 22 15:54:33 2001 +</CODE> +</PRE> + + + </BODY> +</HTML>
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