Working Schedule for UPS test on July 14th, 2008 The "Plan" This is a rough plan of actions which need to be performed on that day (all times are CEST=UTC 0200) ...
How to add a new host (salt era) This example will use einstein12 as a sample machine which before was known as ra15. Before you begin, you need to have ssh agent...
AddNewUser How to add a new user All this is now done by atlas_adduser.pl from our git repo! The remaining stuff here is done for the fictitious user foo BAR, an...
1.: Uns wurde gesagt, dass zu wartende Teile eine Gewährleistungsdauer von 2 Jahre habe. Nicht zu wartende Teile haben eine Gewährleistungsdauer von 5 Jahren. Dur...
Apache Limit access to certain directories: Add AllowOverride AuthConfig in your config section in httpd.conf or where you define your servers. In the limit...
Apt proxy Category:Linux The apt proxy is running on n0, reachable via 192.168.0.1 or 130.75.117.77 both at port 9999 To Use it, add to your /etc/apt/sources.list...
Aptly For the new LDG repo set , we are trying to use aptly as a potential successor to reprepro. The goals are: * support various Debian and Ubuntu releases ...
Areca test 1 Abstract damage the raid area to test the error recovery function Initial setup Raid Subsystem Information Controller Name ARC 1261 Firmware Vers...
Areca test 2 * first see areca_test_1 Abstract check if the controller repair the drive while reading bad sectors HDD prepare * use the same setup like in...
Areca test 3 Abstract check if the controller does auto rebuild Test steps * there was a running rebuild, so i first powered off init 0 * the drive in r...
Areca test 4 Abstract confirm that the controller automatically repair bad sectorts, without need of manual volume check Test steps * turn off the storage ...
Atlas Boinc Condor Scheduling As Condor's fetchwork does not seem to work with dynamic slots, we are working on our own "scheduling" system for BOINC Initial tho...
Though ATLAS has strong data servers, accessing files fon the local harddrive of the nodes is much faster, and given that you could read files in parallel accessi...
Summary of Atlas Servers/Services If you want a quick overview, please refer to our server matrix page, otherwise just read on. External machines/services Head ...
Small tour of Atlas Atlas is a computer cluster situated in the basement of a university building near the Max Planck institute in Hannover. Since the ceiling is ...
Automake The GNU Automake and Autoconf tool exist to generate the configure and makefiles needed to compile from source. This is mostly the case when the source i...
Automatic environment setup Introduction After the upgrade to Debian Lenny, we finally offer the psosiblity to automatically set up your environment. This is bei...
Automating telnet Here a quick and dirty bash script, showing how you could automate some configuration tasks to be done in a menu based telnet session. E.g. to d...
Data available via LDR Our LDR server is named ldr.aei.uni hannover.de (externally) and ldr.atlas.local (internally). You may need to use this environment variabl...
BACnet BACnet is a facility management protocol. The 'outside cooling' uses BACnet over IP. The Protocol is transmittet via UDP packets. BACnet4linux The BACnet4...
Benchmarking bcache Evaluating if bcache can/should be used on our compute nodes. Benchmarking was performed with iozone (revision 3.397) with the command line io...
BIOS SuperMicro Although it is possible at least on AMD based A servers to flash the BIOS using the flashrom tool, it is unfortunately impossible to use /de...
All times given are in UTC, usage and backup sizes in full GByte. If the last backup was done within the past 48hrs the times are green, otherwise red. Main.Ca...
How to backup (and restore) a SVN repository Backup First create a hotcopy somewhere where enough free space is available: mkdir /tmp/hotcopy svnadmin hotcopy ...