New pages
From UGCS
(Latest | Earliest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 00:12, 8 June 2008 Heartbeat (hist) [3,710 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Heartbeat is a daemon that handles all the failover in the cluster. For starters, see http://linux-ha.org/ . We are running Heartbeat V2. ==crm_resource== crm_resource is a command that...)
- 05:09, 6 June 2008 Kabta (hist) [1,262 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Kabta (a Sumerian god) is an off-site secondary server. It will sit in the Ruddock computer lab (we should buy a UPS for it sometime). =Services= * Backup mail * Monitoring)
- 07:43, 31 May 2008 June 2008 Downtime Plan (hist) [2,646 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We need to start planning for our downtime in late June.)
- 20:13, 17 May 2008 Lab Improvements (hist) [190 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: It'd be nice if we could make the lab neater, more friendly, and more comfortable. * New couch $600+ * New tables * New chairs * LCD monitors * Stuff on the walls * Working LEDNET [[Ca...)
- 07:21, 9 May 2008 Failover (hist) [3,132 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We currently only have redundancy in kerberos and ldap. We really should make our other critical services (mail and web) redundant. We should also set up a failover NFS server for shell...)
- 07:11, 9 May 2008 Gale (hist) [330 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Gale is a instant-messenging protocol that UGCS used to support. It would be really nice to have it again. ==Status== Packages are currently mostly done- see ~elizabeth/build/gale She s...)
- 06:59, 9 May 2008 Website wishlist (hist) [449 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: It'd be nice if we had a slicker website, and more documentation. ==Comments on the current website== * The visual layout is kinda bland * Documentation can be kinda hard to find. I th...)
- 06:57, 9 May 2008 User cron (hist) [793 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Users can currently run crontabs on individual shellservers, but if the machine gets rebooted, the crontab is lost. It would be nice to have an integrated system so that users can specify...)
- 06:54, 9 May 2008 Quota notices (hist) [283 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We don't have any system of automatically letting users know they are low on quota. Perhaps an email reminder or login message would be appropriate? Priority: Medium [[Category:Wishlist...)
- 06:51, 9 May 2008 Apt Repository (hist) [2,096 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: It would be really nice to have our own apt repository to distribute our own packages. For example, we have customized versions of bacula that need to get to all of the servers. We coul...)
- 06:45, 9 May 2008 Software Updater (hist) [1,143 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Currently, we have to run updates on each machine manually. It would be nice to do this all at once, from one place. Cfengine has "package support", but it's pretty rudimentary and doesn...)
- 22:02, 30 April 2008 Ldap (hist) [2,656 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Our IANA PEN is 1.3.6.1.4.1.8186.12. We were given this number by Caltech. See http://www.openldap.org/doc/admin22/schema.html for help on editing schemas. =Attribute Types= Attribute t...)
- 21:28, 28 April 2008 Partitioning Best Practice (hist) [1,940 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Partitioning Best Practice= Unless noted otherwise, please follow these best practices in partitioning disks for servers in UGCS. *You should always set up your disks as RAID-1, even if...)
- 21:00, 21 April 2008 Bacula (hist) [1,524 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Bacula= Bacula is an advanced backup daemon. See http://www.bacula.org/en/ for complete docs. On UGCS, persephone runs the bacula director and storage daemons, and every coreserver r...)
- 20:51, 21 April 2008 Database Backups (hist) [2,429 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: ==Mysql== Unfortunately, you need to pay for online backup tools for mysql. Instead of that, you can use the following procedure: # Run the SQL command "flush tables with read lock" # C...)
- 20:39, 21 April 2008 Bacula Setup (hist) [1,878 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =How to set up Bacula= These instructions are for adding a new machine to bacula. # Add it to /etc/bacula/bacula-dir.conf on persephone. This makes it so that the Bacula Director knows ...)
- 04:42, 20 April 2008 Meeting Minutes April 6 2008 (hist) [126 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Meeting Minutes for April 6, 2008= * Present: Alex, Joshua, Matt * Vote to approve Chris and Edmond as new sysadmins: 3-0-0)
- 00:46, 20 April 2008 Hera (hist) [1,102 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * Dell Poweredge 2U Rackmount server (it sits below above persephone) * Located in the right rack * Acquired from CS department (free) in 1Q 2008 * Dual PIII Xeon * 1GB ram * 2...)
- 01:29, 15 April 2008 Remctl (hist) [3,556 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Remctl= Here is a list of all the remctl commands that are running on various UGCS servers:)
- 04:03, 3 March 2008 Backup schedule (hist) [1,631 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =On-site dumps= * /quarter: Dumped Feb. 28, 2008 ** /quarter/month1: Feb 28- March 29, 2008 *** /quarter/month1/week1: Feb 28- Feb 29, 2008 *** /quarter/month1/week2: Sunday, March 1, 2008...)
- 08:08, 28 February 2008 Persephone (hist) [2,007 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Persephone is our current backup server. =Tape drive= The tape drive is a Certance LTO-2 tape drive. You can find downloads from Quantum's site [http://www.quantum.com/ServiceandSupport...)
- 19:28, 20 February 2008 Hermes upgrade (hist) [1,441 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Plan to upgrade Hermes by adding 3 new 146gb disks: ==Pre-downtime== * Create a mail server that only softbounces mail (probably on hephaestus) ** Add this server as a MX record for our d...)
- 09:35, 19 February 2008 February 2008 email (hist) [1,919 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Dear UGCS users, The past few weeks have been busy for us in UGCS. We received an MHF grant to purchase some new server equipment. UGCS now has a full tape backup system with off-sit...)
- 02:19, 8 February 2008 Backup tape rotation (hist) [877 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Now that we (will) have a tape backup system, we need to make a tape rotation system. ==Data to back up== * Home directories: Currently 200GB * Mail: Currently 17GB * Server backups: Pr...)
- 19:35, 2 February 2008 Setup gale (hist) [144 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: * Current stuff is in ~elizabeth/build/gale * See http://gale.org for source, documentation)
- 06:23, 14 January 2008 Sysadmin Survey (hist) [6,745 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (Old sysadmin survey (2001))
- 02:38, 14 January 2008 Meeting Minutes Jan 27 2008 (hist) [32 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: ==Agenda== * Jr Sysadmin Program)
- 04:00, 10 January 2008 Meeting Minutes Jan 9 2008 (hist) [634 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: ==Minutes== * ==Agenda== * MHF grant * Impact Statement * Jr. Sysadmin Program * Goals for the term)
- 11:19, 18 December 2007 MHF Impact Dec 07 (hist) [7,124 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =MHF Impact Statement= ==Overview== Since February 2007, UGCS has ==Finances== ==Advertising== ==The Future==)
- 01:18, 16 December 2007 Hephaestus (hist) [619 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * Dell Poweredge 860 1U Rackmount server (it sits below poseidon, and above demeter. It is 3rd from the bottom) * Express Service Tag HVR9MD1 * Service Code * Located in the r...)
- 09:31, 7 December 2007 Poseidon (hist) [1,094 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * Dell Poweredge 860 1U Rackmount server (it sits on top of hephaestus) * Express Service Tag 36748767349 * Service Code GVR9MD1 * Located in the right rack, second from the bo...)
- 01:49, 7 December 2007 Meeting Minutes Dec 9 2007 (hist) [1,791 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: ==Agenda== * Lab improvements ** Audio server system ** Physical security * Junior Sysadmin Program ** Recruitment ** Sysadmin survey * Helper system for breaks ** Anyone know someone who ...)
- 07:40, 3 December 2007 Hardware Giveaway (hist) [1,307 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: From time to time, we clear out old hardware. Before giving it to e-waste, we offer it to our users. Here is a list of the stuff we are currently giving away. If you would like the hard...)
- 02:39, 26 November 2007 Meeting Minutes Nov 25 2007 (hist) [913 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs)
- 21:56, 16 November 2007 UGCS3 Decommission (hist) [800 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Final UGCS3 Decommissioning== Dear UGCS Users, Our transition to UGCS 4.0 is now complete and has been working for several months. We are preparing to completely decommission all of the...)
- 09:44, 12 November 2007 Hestia (hist) [1,284 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * 4U Dell Poweredge * Used to be heave in UGCS 3.0 * Located on the left side of the rack, below the KVM * Quad 700MHZ PIII * 2GB ram * 6 Hot-swap SCSI bays * Linksys GigE ethe...)
- 09:30, 12 November 2007 Athena (hist) [1,294 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * Rack location: Left side, third from bottom * Acquired used in 2006 * 2U Rackmount, redundant power supplies * AMD Athlon XP 2100+ processor * 906MB ram * 6 750gb hard drives ...)
- 08:34, 3 November 2007 Backup solution (hist) [2,195 bytes] Elizabeth@ugcs.caltech.edu (Talk | contribs) (started fleshing out thoughts)
- 23:16, 24 October 2007 Customized software (hist) [2,539 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Please list anything that isn't from normal Debian repositories here. =libpam-script= This package provides a pam module for running scripts on login/logoff. It is (will be) used to do t...)
- 08:45, 7 October 2007 Zeus (hist) [1,080 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * Generic 2U rackmount case * Acquired used in 2006 * Located in the left rack, 3rd from the bottom (above apollo) * Pentium III 730Mhz * 512MB ram * 230GB hard drive =Configur...)
- 08:37, 7 October 2007 Demeter (hist) [1,086 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * Dell Poweredge 350 1U Rackmount server * Located in the right rack, second from the bottom * Acquired used in 2006 * Pentium III, 850MHZ * 256MB ram * 30GB, 40GB hard drives ...)
- 05:42, 7 October 2007 Hermes (hist) [1,932 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * 4U Dell Poweredge * Located in right rack at the bottom * Acquired new in 2007 for $3,276.48 * 2x Quad Core Xeon Processor E53102x4MB Cache, 1.60GHz, 1066MHz FSB, PE2900 * 4...)
- 05:25, 7 October 2007 Apollo (hist) [1,539 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Hardware= * Rack location: Left side, second from bottom * 2U Rackmount, redundant power supplies * AMD Athlon XP 2100+ processor * 906MB ram * 6 750gb hard drives =Configuration= * Logi...)
- 09:25, 6 October 2007 Configurator (hist) [3,630 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: The configurator is a set of Python scripts and classes that keep track of various bits and pieces of information on all of our machines. This way, configuration files can be easily autog...)
- 05:41, 5 October 2007 Netboot Details (hist) [310 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Partitions= The netboot machines expect the following partitions: * /dev/hda1 (optional) /boot * /dev/hda2 (optional) swap * VG ugcs_login: ** etc- Not currently used ** tmp- Should be a...)
- 05:39, 5 October 2007 Titan Setup (hist) [867 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: To set up a Titan (Dell Inspiron 530s) # Boot into BIOS- go to "Integrated Devices" and set "Onboard Boot ROM" to "Enable" and "SATA Mode" to "RAID" # Reboot, go into BIOS, and change the ...)
- 06:37, 3 October 2007 Software Update (hist) [1,478 bytes] Elizabeth@ugcs.caltech.edu (Talk | contribs) (keep table so we know what machines need updates)
- 07:10, 1 October 2007 Student Computing Consortium (hist) [60 bytes] Elizabeth@ugcs.caltech.edu (Talk | contribs) (very rough incomplete draft)
- 04:17, 1 October 2007 MHF grant (hist) [23,733 bytes] Elizabeth@ugcs.caltech.edu (Talk | contribs) (draft)
- 09:45, 30 September 2007 Pine Setup (hist) [923 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Run pine, go to '''S'''etup, '''C'''onfig. * Set Inbox Path to {mail.ugcs.caltech.edu/user=USERNAME/ssl}INBOX. * Set SMTP server to mail.ugcs.caltech.edu/user=USERNAME/ssl * You must have...)
