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Differences between revisions 35 and 101 (spanning 66 versions)
⇤ ← Revision 35 as of 2007-03-03 17:48:14 →
Size: 4718
Editor: AdamChlipala
Comment: All the to-do items I can think of
← Revision 101 as of 2007-12-06 02:16:22 → ⇥
Size: 1275
Editor: 66-234-51-139
Comment:
Deletions are marked like this. Additions are marked like this.
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= Introduction = #pragma section-numbers off

This contains a list of pages that are of interest to the admins.
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= Special topic pages about migration and new set-up = = General =
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 * 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		  * AdminGroup: Listing of HCoop system administrators.
 * AndrewFileSystem: Using our new shared filesystem.
 * AuthenticationScheme: How authentication works on our systems.
 * DomTool: Administering and using the new domtool.
 * IpAddresses: Listing of IPs that we use.
 * NewSystemHardware: Information on the new hardware.
 * SoftwareArchitecturePlans: Plans for software installation.
 * SystemArchitecturePlans: Plans regarding our hardware.
 * OnSiteStuff: Checklist for the next on-site visit to the new machines.
 * HcoopAddresses: Physical addresses relevant to us.
 * KvmAccess: How to use the remove KVM and avoid going on site
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The following are outdated: = HOWTO =
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 * ColocationNextSteps: Listing of things to do after getting the hardware.  * BackupInfo: Information on how to recover deleted files from our off-site backups.
 * CertificateAuthority: How to sign user SSL certificates and the like.
 * ChangingAdminPassword: How admins can change their UNIX passwords.
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= To-do list = = Responsibilities =
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== Before beginning to migrate members ==  * TaskDistribution: What each sysadmin is responsible for.
 * VolunteerResponsePolicy: Guidelines for responding to requests and email.
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 * Get Apache dynamic content execution on mire working with AFS.
 * Get Exim filter execution on deleuze working with AFS.
 * Mailman?
 * Make ca@hcoop.net e-mail address working. It's the address that will be used in the certificate files.
 * 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.
 * Figure out how to use Dell OMSA or other tools to monitor RAID and other hardware.
 * Configure exim4. --MichaelOlson
 * Configure Courier IMAP daemons, reviewing fyodor's config. --MichaelOlson
 * Configure Squirrel``Mail to use imapproxyd, which should give speed improvements once we migrate to deleuze. --MichaelOlson
 * Configure Exim to use deleuze as a smarthost. --MichaelOlson		 = Programs =
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== During migration ==

 * Watchdog process to kill resource hogs
 * Migrate ejabberd mnesia db just before the dns switchover.
 * Set up back-up regime, possibly using [http://rsync.net/ rsync.net].
 * Get miscellaneous web stuff ported, like membership application, vmail password change, publicly-viewable statistics on membership, bandwidth usage stats, ....


= 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.

= Tasks done =

== 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.

 * 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
 * Review kernel configuration and install testnet. -- DavorOcelic

= Mire =

 * 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

= Custom software =

 * DomtoolTwo
 * Vmail tools
 * Web portal		  * DaemonAdmin: Daemon-specific pages aimed at admins.

This contains a list of pages that are of interest to the admins.

TableOfContents

General

HOWTO

Responsibilities

Programs

AdminArea (last edited 2020-08-23 22:16:03 by ClintonEbadi)