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| This is just a rough sketch for now; we will expand it soon. === Service Processor === All machines owned by hcoop should, if possible, have some out-of-band mechanism for: 1. Keyboard access 2. Screen access 3. Power-cycling Functions 1+2 are typically provided by kvm.hcoop.net; assuming you plan on going with that, you should connect the server's keyboard and video to the kvm switch. Each server has its own solution for 3, usually in the form of a "service processor". You should investigate and document the appropriate service processor settings. If the service processor requires its own IP address, you should name it foo-sp.hcoop.net where foo.hcoop.net is the name of the server. === Install Debian === We use Debian. Install it. === Kernel Compilation === It is generally a good idea for hcoop to compile its own kernels. Regarding statically-compiled kernels, see StaticallyCompiledKernels for some opinions. === AFS Client === You should install the openafs-client, openafs-krb5, openafs-modules-source, openafs-dbg, openafs-doc, and libpam-afs-session packages from /afs/hcoop.net/common/debian/. Also be sure to {{{ apt-get install module-assistant build-essential module-init-tools }}} Once these packages are installed, you will want to run {{{ module-assistant a-i -t openafs-modules }}} ... assuming you compiled your own kernel and the compiled kernel tree resides in /usr/src/linux. If this is not the case, you are on your own. If the command above completes, it will have created and installed a .deb containing the kernel module. You may need to run {{{ /etc/init.d/module-init-tools start }}} to refresh whatever module wonkery linux maintains in obscure locations. Once this is figured out (if all else fails, reboot) you should be able to {{{ /etc/init.d/openafs-client start }}} Do this and check that /afs shows up. === runit === The runit package is useful for launching and monitoring daemons with '''clean process state'''. This is often important when dealing with tokens and pags. === dnscache === You can install the dnscache package to make the server self-sufficient for dns resolution purposes (it acts as a tiny dns server just for localhost). This improves the reliability of the overall infrastructure. === /etc/krb5.conf === You should copy /etc/krb5.conf from deleuze to the new server. This is VERY IMPORTANT. What is NOT in this file is also almost as important as what IS in this file, so think three times before adding or removing anything. === configuring pam === FIXME Mostly this consists of copying mire's /etc/pam.d/*, although it would be a good idea to state precisely which parts of that need to be copied. === configuring ssh to get tokens+tickets === Add these lines to /etc/ssh/sshd_config: {{{ GssapiKeyExchange yes GssapiAuthentication yes GSSAPICleanupCredentials no UsePAM yes }}} |
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