3.1.2 Matrix Server Upgrade Guide

Appendix A: Install the RHEL4 Operating System and Kernel 67

When Matrix Server is uninstalled, it takes these actions to remove the

psfs policy information:

1. Removes the psfs policy line from the following file:

/etc/selinux/targeted/source/policy/genfs_contexts

2. Rebuilds the binary policy file and installs it in:

/etc/selinux/targeted/policy/policy.*

3. Reloads the kernel with the new policy information.

Build a Debug Kernel

For a normal installation, you should build the standard kernel. However,

if you need to build a debug kernel, first install the kdb patch provided in

the Matrix Server Support RPM.

# cd /usr/src/linux-<kernel>

# patch -p1 -l < /usr/src/polyserve/<kernel>/kdb-<kernel>.patch

Then use the procedure “Compile the Kernel” on page 60 to build the

kernel. The Support RPM includes variations of the config files (ending in

-kdb) that you can use in step 2 to build a debug kernel.