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(Latest | Earliest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)- 14:39, 25 September 2012 Hackathon Points (hist) [1,282 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (Created page with "These are things that should be done around UGCS and their appropriate point value. They are split in two dimensions: * Requires sysadmin / does not require sysadmin * Multiple ...")
- 21:08, 14 February 2012 Feb14 2012 AFS problems (hist) [1,108 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (Created page with "On the morning of Feb 14, 2012, UGCS had a large AFS outage. ==Timeline== All times in PST. * 7:45: alexr notices AFS problems, reboots apollo, athena. * 8:20: jdhutchin starts...")
- 06:41, 12 September 2011 Alerting (hist) [2,584 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (Created page with "We have a variety of automated alerting at UGCS to let us know when things are breaking or already broken. ==Notes on alerts== Some alerts are critical, so it is nice if they go...")
- 20:38, 14 November 2010 Nov 20 maintenance (hist) [516 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: ==Todo== * Reboot coreservers * Reboot shellservers * Reboot kabta/enlil * Reset jdhutchin's password on enlil * Check proper failover with hera/zeus * Check that AFS still functions witho...)
- 06:26, 14 October 2010 Remote System Management (hist) [1,402 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Remote System Management (rsm) is a set of remctl scripts that let a remote user run some common administrative tasks on a remote machine. It is primarily designed to let automated system...)
- 03:44, 18 August 2010 AFS Standards (hist) [897 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: These standards will help AFS failover work well and ensure our stability even if we lose an AFS server. * Every volume that has an RO replica must have one on the same host as the RW vol...)
- 01:22, 27 July 2010 Smokeping (hist) [1,659 bytes] Adr@ugcs.caltech.edu (Talk | contribs) (New page: Smokeping is a network latency monitor powered on RRDTool. It collects data about network latency for various services and reports it through a convenient, graph-powered website. ==Confi...)
- 11:26, 11 July 2010 XMPP (hist) [2,730 bytes] Adr@ugcs.caltech.edu (Talk | contribs) (New page: We want XMPP, so now we have ejabberd running in alpha on Hephaestus. Service will be up and down as various configurations are tried. *Username: <ugcs username> *Domain: hephaestus....)
- 01:52, 10 July 2010 Backup tapes (hist) [432 bytes] Raymondj@ugcs.caltech.edu (Talk | contribs) (adding serial number data on tapes)
- 00:35, 10 July 2010 2009-2010 Budget (hist) [903 bytes] Adr@ugcs.caltech.edu (Talk | contribs) (New page: At beginning of summer 2010 we have spent $3500 on the new juniper switch and various network cables. We have $1500 left to spend, and everything needs to be purchased by July 31. Any id...)
- 09:28, 19 June 2010 PGP keyserver (hist) [354 bytes] Adr@ugcs.caltech.edu (Talk | contribs) (New page: We have a public SKS OpenPGP keyserver. http://pgp.ugcs.caltech.edu It is configured through cfengine, relevant files in /afs/ugcs/ugcs-admin/cfengine/hosts/sks/, /afs/ugcs/ugcs-admi...)
- 07:44, 6 June 2010 HTTP Servers (hist) [564 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: ==Goals== The goals behind our web setup are to: * Maintain high uptime for static pages * Maintain high database uptime for dynamic pages that need to use it * Have acceptable to good pe...)
- 02:12, 17 April 2010 NFS servers (hist) [1,887 bytes] Adr@ugcs.caltech.edu (Talk | contribs) (New page: UGCS has two main NFS servers: [Apollo] for shared files and keytabs, [Demeter] for cfengine. We would like to set up cfengine to automatically configure current (and future) NFS servers ...)
- 02:17, 11 April 2010 Ugcs groups (hist) [2,165 bytes] Adr@ugcs.caltech.edu (Talk | contribs) (New page: We would like to add functionality where users can create custom groups in both LDAP and AFS with the ability to manage them (similar to the mailman list system already in place). ==Premi...)
- 22:00, 26 March 2010 AFS Servers (hist) [1,663 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: AFS servers are quite important to us because they help take care of most of our important data. ==Overview== AFS has several different types of file servers. They are generically split ...)
- 00:35, 19 March 2010 Juniper switch (hist) [391 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: The Juniper EX-2200 "mercury" was purchased in March 2010 with our IMSS budget money. It is currently in the process of being set up. Its out-of-band management interfaces is connected t...)
- 19:37, 10 February 2010 FastCGI (hist) [2,809 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Problem Definition= ==Problems to solve== * PHP performance is really bad- it takes 0.3s to load the simple test pages we have * Since php is run as a cgi every time, it cannot do opcode ...)
- 05:25, 10 February 2010 Nagios Improvements (hist) [2,720 bytes] Adr@ugcs.caltech.edu (Talk | contribs) (New page: We should update Nagios to better reflect what the servers are doing: ==Services to watch== * apollo - AFS, rsync * athena - AFS * demeter - DHCP, TFTP *)
- 05:35, 26 January 2010 New Switch (hist) [1,582 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We need a new switch badly. We are running out of network ports and don't have very many gige ports. ==Desired Features== * Gigabit support (a must) * 24 or 48 ports * VMPS / Cisco suppo...)
- 04:00, 26 January 2010 Jan25 Kerberos Incident (hist) [1,413 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: On January 25, many of the shellservers were unable to complete any kerberos operations. The cause was an upgraded kerberos library from testing which did not work well with our existing ...)
- 04:37, 12 January 2010 Cisco switches (hist) [253 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We currently have 3 cisco switches to handle our network traffic. ==Access== You can access them through SSH from charon. ==Names== * Gigabit switch 192.168.1.2 : strangelove * Other two...)
- 19:43, 28 November 2009 Mail Improvements (hist) [1,472 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: It'd be nice if we fixed some issues with our mail system and added more features. ==Backup Server== If hermes dies, we are screwed. We also don't have any testing machines to test any o...)
- 04:42, 7 October 2009 Office Hours (hist) [322 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Office Hours= __NOTOC__ In order to better conenct our users, UGCS will try to hold regular office hours. Current office hours times are [b]7:30pm-9pm[/b] in [[Documentation:Lab|our lab...)
- 07:35, 28 September 2009 Postgres (hist) [647 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We run Postgresql 8.3 on poseidon. By default, users do not get a database, but they can have one created automatically (remctl poseidon postgres createdb). Since the minimum database si...)
- 06:27, 9 September 2009 UGCS Best Practices (hist) [3,260 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: This page aims to document all the things we typically do so that new admins can get up to speed faster. ==Machine Setup== * Use LVM for all machines. If you don't, you're a moron. * Lea...)
- 07:28, 25 August 2009 IPMI (hist) [3,059 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: IPMI is a tool used for remote management of servers. It lets us do many tasks without physically going to the server to mess with it. =Basics= =Specifics= ==Poweredge 860's== ==Athena...)
- 07:27, 25 August 2009 How to get environment information (hist) [1,371 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: The first part of debugging a problem is figuring out what's going on. This page aims to document the myraid ways of figuring out what's going on, and how to expose non-obvious problems. ...)
- 06:58, 19 August 2009 Shellserver Packages (hist) [1,410 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Since we no longer have a shared root, you have to be a little more careful in making changes to clio. =Installing packages= To install a package, first install it on clio. Then, run /...)
- 06:19, 18 August 2009 Installing packages with cfengine (hist) [1,789 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Installing packages with cfengine can be very powerful and a huge time-saver, but it needs to be set up correctly to work. =Overview= CFengine has built-in package manager support. It ta...)
- 01:54, 15 August 2009 Enlil (hist) [418 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Enlil is a sysadmin-only machine. It is to provide us access to our IPMI stuff when all else fails. =Hardware= * 1U Einux machine at the top of the left rack =Network= * Name: enlil.cal...)
- 02:46, 12 July 2009 Initramfs (hist) [398 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Initramfs are archives that the kernel uses to get to its root file system. ==Scripts== You can add your custom scripts in /etc/initramfs-tools/scripts/<dir>. Note that their names mus...)
- 10:38, 11 July 2009 Shellserver Systemimager (hist) [5,525 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: I think we should start working on moving our shellservers to an automated, imaged setup instead of our current read-only root over NFS. There are a couple of reasons: ==Pros== * Read-on...)
- 02:05, 11 July 2009 Virtualized Servers (hist) [521 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: It would be really awesome if we let our users create their own virtualized servers. ==Resources== ==Technology== We would use [http://xen.org Xen] to run the virtualization. Automated ...)
- 19:17, 4 July 2009 Getting Started with UGCS (hist) [2,666 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: UGCS is a medium-sized system with a lot to learn about. This guide attempts to present a logical order for learning how to administer UGCS. =Core infrastructure= ==AFS== AFS is one of t...)
- 18:33, 9 June 2009 New System Setup (hist) [3,559 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: While we don't set up a new machine very often, sometimes it needs to be done. ==Run the Debian Installer== Just use the debian installer for the current release that we are using. See [...)
- 07:42, 27 May 2009 K5start (hist) [393 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: K5start is a command that is used to help non-kerberized services play nicely with kerberos and AFS. It supports getting tokens (using a keytab file), running aklog, and then running the ...)
- 09:26, 26 May 2009 Email Heartbeat (hist) [273 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: This script sends a email through a mail system, and makes sure that it comes out the other end within a reasonable amount of time. If it doesn't, it can send alerts. See hermes:/usr/loc...)
- 09:08, 26 May 2009 Donut (hist) [321 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Donut is ASCIT's fileserver. We have access to it and "maintain" it for them. =Hardware= * Dell desktop =Services= * Apache and postgres for donut * Postfix for mail (with the same spam...)
- 09:07, 26 May 2009 Charon (hist) [258 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Charon is our network router =Hardware= * 1U PowerEdge 860 * Purchased new for UGCS 4.0 (Summer 2007) * Dual-core Xeon 1.86GHz * 2Gb ram * 2x 80gb hard drives * Located in the upper-left ...)
- 09:01, 26 May 2009 Alerts (hist) [2,236 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Splunk runs a bunch of saved searches that can activate alerts. Log in to splunk and go to "admin" and then "saved searches". Splunk saved search scripts are located at charon:/opt/s...)
- 08:56, 26 May 2009 Dionysus (hist) [1,421 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Dionysus is one of UGCS's coreservers. It is intended to be a secondary server for "internal applications" =Hardware= * 2U Dell PowerEdge 2450 * 1 1.4Ghz PIII * 2Gb ram =Network= * IP 1...)
- 22:09, 23 May 2009 Certificate Authority (hist) [1,788 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We run our own certificate authority for all sorts of reasons. The CA certificate is available at http://ca.ugcs.caltech.edu Category:Sysadmin_Documentation)
- 19:47, 23 May 2009 Nagios (hist) [3,784 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We currently use [http://www.nagios.org Nagios] as a service monitor. It periodically checks nearly every service in UGCS, and makes sure that the service is at least responsive. It is c...)
- 07:15, 11 May 2009 Man Pages (hist) [483 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: If you make a utility for UGCS, you should make a corresponding man page. Google for tutorials, this is just some helpful info. ==Previewing== Preview with man -l <filename> [[Category...)
- 08:17, 6 May 2009 Automated Password Reset (hist) [2,008 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: The automated password reset program allows users to semi-automatically reset passwords. It is a series of three scripts: * pwreset_shell.py This is a shell program for the login accoun...)
- 00:16, 6 May 2009 Coreserver Cron (hist) [327 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Cron stuff should be put in /etc/cron.(hourly,daily,weekly,monthly), if possible. Otherwise, you can add a file to /etc/cron.d (look at files already there for the syntax). Please don't ...)
- 03:17, 3 May 2009 Building Packages (hist) [457 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: You probably want to use dpkg-buildpackage to build a package. Because we have to build two architectures and don't have cross-compiling enabled, you have to build each architecture separ...)
- 07:33, 2 May 2009 SVN (hist) [2,805 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (Copied from the public page)
- 07:26, 2 May 2009 How the website works (hist) [1,426 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: The UGCS webpage is pulled from the Website: namespace of this wiki. A script on poseidon (/usr/local/sbin/wiki-pull) converts the wiki pages into web pages. The data goes into /afs/.ugc...)
- 07:13, 1 May 2009 Spam Filtering (hist) [2,190 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Spam filtering is an important task. If you look at the statistics, most of the incoming mail we get is spam. Here is a brief discussion of the methods we use to stop spam. ==Before it h...)
- 21:19, 25 March 2009 Cron (hist) [1,809 bytes] Ckennelly@ugcs.caltech.edu (Talk | contribs) (Start of technical documentation.)
- 20:03, 24 December 2008 Mail (hist) [3,858 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: Mail is one of the most important (and most complex) systems on UGCS. Our current mailserver is Hermes, with Kabta as a backup. ==Overview of incoming system== * Incoming mail go...)
- 07:25, 18 December 2008 Email Virtualhost (hist) [219 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: It would be wonderful if we could virtual-host email domains just like we do for websites. This will require careful modification of postfix's main.cf, as well as probably some custom lda...)
- 18:52, 17 December 2008 Someone Cant Login (hist) [767 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: If someone complains that they "can't sign on", here is the list of things to check: # Do they need to migrate their password? Check hermes:/root/migration_auth.log and grep for their us...)
- 20:47, 16 December 2008 AFS Backups (hist) [2,452 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: AFS backups are done through the AFS backup daemon. See the AFS administrator's guide for details on how this works. We usually run a butc through a root screen session on persephone. T...)
- 20:08, 16 December 2008 Wishlist Groups (hist) [284 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: It'd be nice to set something up so that people can make their own groups, kinda like dropgroup. Also, we would like a way to mark an account as a "club" account so PW resets can be done ...)
- 20:05, 16 December 2008 Wishlist PGP (hist) [166 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We kinda have a PGP thing in the account creator, but it's not tied to anything else. It'd be nice to make PGP more integrated in our cluster. Category:Wishlist)
- 23:01, 13 December 2008 Kerberos (hist) [3,460 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: UGCS uses Kerberos for all of our authentication needs. See [http://www.cs.ru.ac.za/courses/Honours/mmcourse/security/Kerberos/The%20Moron%27s%20Guide%20to%20Kerberos,%20Version%201_2_2.h...)
- 07:22, 13 December 2008 Virtual IPs (hist) [1,105 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: UGCS uses "virtual ip's" for a variety of reasons. A virtual IP is an IP that doesn't necessarily always correspond to the same computer, so it can be used for services that move between ...)
- 07:10, 13 December 2008 Account Creator (hist) [2,175 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: This page describes both sides of the account creator (user interface and administrator part) ==Login for newacct@to== The login shell for newacct is set to /afs/ugcs/public/newacct/accou...)
- 01:57, 5 October 2008 New misc policies (hist) [51 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =New policies= Here are some proposed new policies:)
- 19:49, 3 October 2008 2008-2009 Budget (hist) [3,522 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We have $5000 to spend. Here are some possible budget items: ==LCD Monitors== We need some. Badly. I hate the )%^* CRT's. * 5x $200 22in [http://www.newegg.com/Product/Product.aspx?Ite...)
- 03:35, 22 September 2008 Logging (hist) [513 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: All syslog messages from UGCS are sent to charon through syslog-ng. They are then placed in charon:/var/log/<hostname>/<logname> Splunk tail's the log files and gets its input from there...)
- 22:31, 21 September 2008 Apache (hist) [3,881 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: UGCS uses Apache2 to do our webserving. However, we have a number of customizations to make it work nicely with AFS etc. =Basic info= * Currently www.ugcs.caltech.edu is a CNAME for pose...)
- 17:29, 23 August 2008 End of summer discussions (hist) [1,512 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: We have a few issues that we need to start thinking about to plan for the next year. ==Athena== Problem: The machine that once was athena is dead. We have a few options: * Fix athena us...)
- 07:23, 23 August 2008 Documentation:Index (hist) [35 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: =Documentation= Under Construction!)
- 04:15, 7 August 2008 DNS (hist) [2,137 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: DNS is provided through bind on demeter. We control the zones for ugcs.caltech.edu, and the reverse zones for 131.215.176.64-127. We also have control of ugcs.net and ugcs.org, although ...)
- 07:17, 10 June 2008 DRBD (hist) [1,962 bytes] Jdhutchin@ugcs.caltech.edu (Talk | contribs) (New page: DRBD handles the disk stuff. It's kinda like raid1 but over a network. Sometimes the nodes may refuse to connect. If this happens, check 'dmesg' for the message drbd1: Split-Brain det...)
- 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 ...)
