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| = Introduction = [[TableOfContents]] = Special topic pages about migration and new set-up = * AndrewFileSystem: Using our new shared filesystem * DaemonAdmin: Daemon-specific pages aimed at admins * DomTool: Administering and using the new domtool * NewSystemHardware: Information on the new hardware * TaskDistribution: What each sysadmin is responsible for * SoftwareArchitecturePlans: Plans for software installation * SystemArchitecturePlans: Plans regarding our hardware The following are outdated: * ColocationNextSteps: Listing of things to do after getting the hardware. = Global TODO = * Make ca@hcoop.net e-mail address working. It's the address that will be used in the certificate files. * Migrate ejabberd mnesia db just before the dns switchover. = Global Notes = * To edit LDAP database from a GUI tool, use ''gq'' program * To connect to hcoop's ldap server using ''gq'', create a SSH tunnel: ''' ssh -p 2222 -f -N -L 389:localhost:389 USERNAME@69.90.123.67''', and then connect to ''localhost:389'' in ''gq''. * For the description of the actual authentication scheme, see AuthenticationScheme. = Deleuze = This machine donated by Justin Leitgeb seems real nice. Buffered disk throughput is about 1.5 GB/s. Raw disk reads are 60 MB/s for the two 36 GB disks and 120 MB/s for the 4-disk array. Not bad at all. == Tasks done == * Removed excessive packages, cleaned up the system * Installed ''changetrack'' to monitor all config file changes. The program uses ''rcs'' and automatically keeps previous revisions. It is ran from ''cron'' on a daily basis. * Installed ''debsums'' to monitor file md5sums * Installed Courier IMAP and IMAP-SSL * Installed LDAP for user authentication. The system is currently configured to use LDAP and fallback to the usual ''/etc/'' files. Admin users will be added locally on all machines and will be able to log in even when LDAP is not operational. * Installed MIT Kerberos 5 * Fixed date/time on the system. Installed ''ntpd'' * Installed TLS support for LDAP. Certificate file is ''/etc/ldap/server.pem'', and ldap/ldaps ports are 389/636. * Installed Linux 2.6.18.3-grsec with 2.6.18-mm3 patches (2) for megaraid. * The patches and source tree installed, along with the .deb generated, is under /usr/src/ntk2. I set up sockets groups as on fyodor (7070-7072). SMP, with hyperthreading enhancements, is enabled. I also installed a bunch of packages that someone were uninstalled while I was gone (e.g., gcc). I also fixed the sudoers, wheel group, and admin home directories. --NathanKennedy * Kerberos + LDAP works. * Compiled requisite kernel modules, compiled and installed new OpenIPMI package, and installed dellomsa. Dell OMSA is now working. --NathanKennedy * Install SSH. * Permit new admins to log in by copying their SSH keys to their newly-created (empty) home directories. * Install AFS (need to repeat the reading on AFS and how it really works. Also it will influence the decision how to format ''/dev/sdb'' in the system) -- DavorOcelic * Install MySQL and PostgreSQL (input from AFS step and admin discussion needed to see how to exactly configure this). * Install BIND. * Install and configure Apache, to serve static web content only. -- MichaelOlson == TODO == In order of implementation (soonest first): * Fix resolv.conf on both servers to have multiple good DNS servers for now, set it to use localhost once BIND is running and configured. * Review kernel configuration and install testnet. -- DavorOcelic * Get domtool2 working (this to be done concurrent with mire). * Figure out how to use Dell OMSA or other tools to monitor RAID and other hardware. * Configure exim4. -- MichaelOlson * Configure squirrelmail to use imapproxyd, which should give speed improvements once we migrate to deleuze. -- MichaelOlson * Configure courier IMAP daemons, reviewing fyodor's config. -- MichaelOlson * Review PAM+LDAP+Kerberos interaction. MichaelOlson has a working setup of PAM+LDAP on his LUG machines that he will take a look at to see if there's any applicable methodology. == Problems == * With ''debsums'', once you break md5sum of a config file, the file keeps being reported as mismatching even if you completely regenerate md5sums for a package!! -- DavorOcelic = Custom software = * DomtoolTwo (Adam, will it be possible to change/modify support requests from the command line? Also, it would be so "candy" if the messages regarding ticket status were sent as followups to the original request email, not as completely separate mails). -- DavorOcelic * Vmail tools * Web portal * Watchdog process to kill resource hogs These are my responsibility. Right now, I'm waiting for the more traditional stuff to be set up and stable before beginning. --AdamChlipala = Mire = == Tasks done == * Installed new second SCSI hard drive, reinstalled debian, and configured the drives with software RAID-1. --NathanKennedy * Configured Mire to work as a proper krb/ldap/afs client machine. --DavorOcelic |
Hacked By: [R]!xTr3T ~~~~ [P]@tr!oT 0f [A]n@rChy] We Are Anonymous We Are Legion We Do not Forgive We Do not Forget Expect Us |
Hacked By: [R]!xTr3T ~~~~ [P]@tr!oT 0f [A]n@rChy] We Are Anonymous We Are Legion We Do not Forgive We Do not Forget Expect Us