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Computational Biomolecular Engineering Lab (CBEL) Wiki
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Biomedical Engineering Department
The University of Texas at Austin
Contents |
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Lab policy
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Summer 2008 absence
Oscar 5/28 to 7/7 (Wedding and honeymoon) Jenny 5/28 to 7/7 John Fonner: 6/3 - 6/16
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Lab Notebook Computers
Two notebook computers are available for presentations/group meetings. Contact Johnny or Pavel if you need to use it.
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Lab weekly meeting
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Lab meeting schedule 2008 Spring
- Every Friday From 2:30pm-4:00pm
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Individual Meeting Schedule
- Tue 10-11:
- Tue 11-12: Johnny Wu
- Tue 2-3pm: Oscar
- Thu 10-11: Jenny
- Thu 11-12:
- Thu 2-3pm: John Fonner
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How to edit the Wiki
a white space in the beginning of sentence creates a box. * a star gives a bullet (no white space in the beginning) ** double star indents
How to create a internal link: [[Research:page_name|link_name]]> which gives link_name where Research is a spacename (predefined), page_name is whatever you like. If the page doesn't exist, you will be able to create it.
How to create an external link: [http://www.somexyz.org Link_name], which gives a link to external website. or [http://www.google.com], which gives [1] or give the address http://.... directly
To list avaliable pages in a namespace (like research): click on special pages, then all pages and choose "Research" from the pull down.
How to upload file lick on Upload file on the side bar, or alt-u you can link to the file after you uploaded it by specifying [[ Image:File.pdf ]] in your page.
To change the sidebar: Mediawiki:Sidebar
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Computer System administration
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great tips for secure system
http://www.puschitz.com/SecuringLinux.shtml#EnforcingStrongerPasswords
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Yum update
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user setup
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Ganglia: Monitor nodes activities
- Install ganglia: installation howto
- CPU frequency scaling is on sometime by default
**/usr/sbin/cpufreq-selector -g performance The first CPU core will run at 100% afterwards. This command however only affect the first core. ** Do the following to change the other cores: cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
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Other MISC
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- Mail server how to
- Temperature sensor is enabled!
- gkrellm and configure to show temperature and cpu load
- To install lmsensor on sun:
yum install ksensors yum install lm_sensors coretemp for node19 -30 won;t be available until 2.26.22
run
/usr/sbin/sensors-detect sensors -s sensors -h yum install gkrellm
- Another command line tool to find out load of a myltiprocessor node is
- mpstat -P ALL (rpm -ivh /opt/software/rehl4-rpms/sysstat*rpm)
- to enable nfs
- start /etc/init/nsf and portmap
- copy: exports,hosts,hosts.allow,hosts.deny
- /etc/sysconfig/iptables (restart iptables)
- to remotely boot nodes see /usr/local/binwake_node
- /sbin/ether-wake 00:13:D4:B9:44:40
- Sun backup
- The entire /home directory is backed up daily to biomol:/backup/home.daily/bk.day.0
- The backup is incremental, i.e., it only records changes compared to bk.day.1, which is incremental to bk.day.2, etc. The backup goes back 7 days (bk.day.6)
- SELinux command
- setsebool -P use_nfs_home_dirs 1
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Wiki Help
Consult the User's Guide for information on using the wiki software.
MediaWiki:Sidebar for editing the side bar (root)
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quick format tips
From Wikipedia]], the free encyclopedia.
| header | header 1 | header 2 | header 3 |
|---|---|---|---|
| row 1 header | row 1 cell 1 | row 1 cell 2 | row 1 cell 3 |
| row 2 header | row 2 cell 1 | row 2 cell 2 | row 2 cell 3 |
