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| = Introduction = | #pragma section-numbers off |
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| [[TableOfContents]] | = Admin Area = |
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| = Special topic pages about migration and new set-up = | Links to detailed policies, procedures and information specific to HCoop. The resources here should allow HCoop admin team members to share information about every part of the complete system, and to allow easier training of future team members. |
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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 |
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| The following are outdated: | <<TableOfContents>> |
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| * ColocationNextSteps: Listing of things to do after getting the hardware. | |
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| = To-do list = | == To be an admin == |
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| == Before beginning to migrate members == | Sections you should read if you are interested in being an admin. |
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| * Mailman * DNS server daemon * Apache Dynamic Content. Our ''viable'' options are: 1. Have domtool support Apache13; use mod_waklog * less than 40 lines of code need to be changed in domtool's Apache20 module to do this 1. Support only CGI (no PHP, suexec) and use kstart to wrap each CGI process 1. Write our own versions of suexec and the suexecified-php (whatever it's called) * reliability/security/maintainability concerns |
{{{#!wiki tip Admins: it is recommended that you watch the changes [[http://wiki.hcoop.net/RecentChanges?action=rss_rc&diffs=1&ddiffs=1|RSS feed]] to keep informed of what everyone is up to. Then, please document all of your work on here somewhere - that way we will not only have a record, but everyone gets notified about what is going on. Alternatively, you can create a wiki account and subscribe to the page regex `.*` (all pages). }}} |
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| === Misc === * 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 Exim on mire to use deleuze as a smarthost. --MichaelOlson * Do performance testing on the new configuration, by having admins or other users monitor performance on mire (using vmstat, top, mytop, etc) and having one or more (perhaps multi-threaded) scripts requesting web pages from somewhere off of the Peer 1 network. |
=== Admins and Admin Responsibilities === |
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| == During migration == | * TaskDistribution: What each sysadmin is responsible for. * VolunteerResponsePolicy: Guidelines for responding to requests and email. * AdminArea/ListOfVolunteers who can help us do stuff... * AdminGroup: Listing of people who can delete pages and despam pages on the wiki. |
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| * 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, .... |
=== Introductory material === |
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| = Global Notes = | Refer to documentation of each of the listed components. The information in our Wiki pages covers only the most basic principles, and quickly focuses on HCoop-specific setup, assuming skillset with the technology. |
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| * 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. |
* DaemonDocumentation: manuals for core services with which you should be familiar * SystemArchitecture * DomTool * MitKerberos * AndrewFileSystem * EtcKeeper * [[Code]]: Details of HCoop-specific code kept in git.hcoop.net * [[OpenLDAP]] |
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| = Tasks done = | == Planning and Records == |
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| == Deleuze == | * ToDo: Both short term and longer term meta-planning. * IpAddresses: Listing of IPs that we use. * [[Hardware]]: Information on HCoop hardware. * HcoopAddresses: Physical addresses relevant to us. * OnSiteVisits: Records of visits by HCoop volunteers to our colocation facilities |
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| 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. | == Specific Machines == |
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| * 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 * Configure exim4. --MichaelOlson * Configure Courier IMAP daemons, reviewing fyodor's config. --MichaelOlson * Migrate squirrelmail configuration settings from fyodor. * Configure Squirrel``Mail to use imapproxyd, which should give speed improvements once we migrate to deleuze. --MichaelOlson * Exim filters * (a method has been set up by MichaelOlson, but it needs testing). |
This documents machine-specific (hardware) things, or specific configuration necessary for ''that machine''. |
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| = Mire = | * [[Hardware]] * InstallationProcedure: how to install a machine that adheres to our policies * SetupNewMachines: The ''old'' guide to installing a machine that adheres to our policies * KvmAccess: How to use the remove KVM and avoid going on site. * deleuze * PowerEdge2850 is about '''deleuze''' * RebootingDeleuze: Steps to take after rebooting deleuze. * mire * RebootingMireSp: How to reboot mire using its SP interface. * hopper * HopperServiceProcessor * fritz * FritzInfo * outpost * OutpostInfo |
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| * 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 |
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| = Custom software = | == Services == This documents all software things that are not machine specific. |
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| * DomtoolTwo * Vmail tools * Web portal |
=== General Sysadmin === * AuthenticationScheme * BackupInfo: Information on how to recover deleted files from our off-site backups. * DebianPackaging: How to make custom HCoop Debian packages. * DebianArchive: Our local debian mirror for distributing custom packages * ConfigurationManagement: How we manage system wide configuration * SystemAuthentication lists authentication * Member Management * UserManagement * MemberFreezing: How to freeze and unfreeze members who get behind on dues * AdminUserSetup, AddingNewAdmins, ChangingAdminPassword: lists steps to create (blank), delete, and change passwords of admin users. === Specific Services === <<Include(DaemonAdmin, ,to="^----$")>> * AFS / Kerberos * SetupNewAfsServer: How to set up a new AFS server. * PrincipalsForNonHumans talks about kerberos for automated tasks. * MailMan contains no information... * SpamAssassinAdmin * DomTool * Web * CertificateAuthority: How to sign user SSL certificates and the like. * WebServicesAdmin: How to administer hcoop provided web services * DNS * ZoneTransfers is also mostly blank. * Databases * Backups * VersionControlAdmin * wiki.hcoop.net * JabberAdmin * [[BugZilla]] == Historical == Pages no longer considered relevant, but may be of historical interest: * UsingResourceLimits * DaemonFileSecurity * ResourceLimits * TipsAndTricks * SoftwareArchitecturePlans: Plans for software installation. * SystemArchitecturePlans: Plans regarding our hardware. * InstallationLog contains ancient (~2005) records of installation of software and hardware * KrunkInfoz (Krunk is out of service) * [[Migration2009]] (never happened, staying at Peer1 was a better choice after all) * [[Migration2009/SoftwareSetup]] * InstalledSoftware ---- CategorySystemAdministration |
Admin Area
Links to detailed policies, procedures and information specific to HCoop. The resources here should allow HCoop admin team members to share information about every part of the complete system, and to allow easier training of future team members.
Contents
To be an admin
Sections you should read if you are interested in being an admin.
Admins: it is recommended that you watch the changes RSS feed to keep informed of what everyone is up to. Then, please document all of your work on here somewhere - that way we will not only have a record, but everyone gets notified about what is going on. Alternatively, you can create a wiki account and subscribe to the page regex .* (all pages).
Admins and Admin Responsibilities
TaskDistribution: What each sysadmin is responsible for.
VolunteerResponsePolicy: Guidelines for responding to requests and email.
AdminArea/ListOfVolunteers who can help us do stuff...
AdminGroup: Listing of people who can delete pages and despam pages on the wiki.
Introductory material
Refer to documentation of each of the listed components. The information in our Wiki pages covers only the most basic principles, and quickly focuses on HCoop-specific setup, assuming skillset with the technology.
DaemonDocumentation: manuals for core services with which you should be familiar
Code: Details of HCoop-specific code kept in git.hcoop.net
Planning and Records
ToDo: Both short term and longer term meta-planning.
IpAddresses: Listing of IPs that we use.
Hardware: Information on HCoop hardware.
HcoopAddresses: Physical addresses relevant to us.
OnSiteVisits: Records of visits by HCoop volunteers to our colocation facilities
Specific Machines
This documents machine-specific (hardware) things, or specific configuration necessary for that machine.
InstallationProcedure: how to install a machine that adheres to our policies
SetupNewMachines: The old guide to installing a machine that adheres to our policies
KvmAccess: How to use the remove KVM and avoid going on site.
- deleuze
PowerEdge2850 is about deleuze
RebootingDeleuze: Steps to take after rebooting deleuze.
- mire
RebootingMireSp: How to reboot mire using its SP interface.
- hopper
- fritz
- outpost
Services
This documents all software things that are not machine specific.
General Sysadmin
BackupInfo: Information on how to recover deleted files from our off-site backups.
DebianPackaging: How to make custom HCoop Debian packages.
DebianArchive: Our local debian mirror for distributing custom packages
ConfigurationManagement: How we manage system wide configuration
SystemAuthentication lists authentication
- Member Management
MemberFreezing: How to freeze and unfreeze members who get behind on dues
AdminUserSetup, AddingNewAdmins, ChangingAdminPassword: lists steps to create (blank), delete, and change passwords of admin users.
Specific Services
We've recorded some special instructions, hints, etc., for daemons with non-standard configuration.
- AFS / Kerberos
SetupNewAfsServer: How to set up a new AFS server.
PrincipalsForNonHumans talks about kerberos for automated tasks.
- Mail
MailMan contains no information...
- Web
CertificateAuthority: How to sign user SSL certificates and the like.
WebServicesAdmin: How to administer hcoop provided web services
- DNS
ZoneTransfers is also mostly blank.
- Databases
- Backups
- wiki.hcoop.net
Historical
Pages no longer considered relevant, but may be of historical interest:
SoftwareArchitecturePlans: Plans for software installation.
SystemArchitecturePlans: Plans regarding our hardware.
InstallationLog contains ancient (~2005) records of installation of software and hardware
KrunkInfoz (Krunk is out of service)
Migration2009 (never happened, staying at Peer1 was a better choice after all)