Difference between revisions of "DAQ test computer"
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Revision as of 11:53, 26 August 2009
Instructions for configuring a Hall D DAQ computer for stand-alone operation, after installing RHEL5 from JLab CD using standard halld passwords. Instructions below assume host name moe.jlab.org and VxWorks processor pmt1.jlab.org.
Instructions also assume that the main (JLab) network connection is on eth0, and the daq system is on a private network eth1.
Elliott Wolin, 20-Aug-2008
From the root account:
- create halld group gid=267 using gui (if remote can get gui via: $ system-config-users)
- create halld account id=500 with standard password and halld as primary group using gui
- have computer center mount /group/halld and /group/da, or at least allow the computer to mount them. If the latter:
$ mkdir /group $ chmod a+rwx /group $ ln -s /misc/da /group/da $ ln -s /misc/halld /group/halld
- Edit /etc/auto.misc and add:
da -rw jlabgrp:/vol/vol1/da halld -rw jlabgrp:/vol/vol1/halld
- and finally:
$ mount -a
- yum install:
- minicom
- xinetd
- ant
- rsh-server
- some-java-version (use yum search java) (e.g. java-1.6.0-ibm-devel.i386)
- enable rsh in /etc/xinetd.d/rsh on the local private network only:
socket_type = stream wait = no user = root log_on_success += USERID log_on_failure += USERID server = /usr/sbin/in.rshd disable = no only_from = 192.168.0.0/16 bind = 192.168.1.1
- configure autostart of xinetd/rsh and ncsd:
/sbin/chkconfig xinetd on /sbin/chkconfig nscd on
- start xinetd and nscd:
/sbin/service xinetd start /sbin/service nscd start
or
/etc/init.d/xinetd start /etc/init.d/nscd start
- edit /etc/hosts:
127.0.0.1 moe localhost localhost.localdomain moe.jlab.org ::1 localhost.localdomain localhost 192.168.1.2 pmt1
- configure eth1 for static routing, IP 192.168.1.1, netMask 255.255.255.0 using gui (if remote can get gui via: $ system-config-network)
Edit network files:
- /etc/sysconfig/network-scripts/ifcfg-eth0
PEERDNS=yes
- /etc/sysconfig/network-scripts/ifcfg-eth1
PEERDNS=no
- /etc/sysconfig/network
- turn IPv6 off
- set hostname to moe
- activate eth1 (can also use gui):
/sbin/ifup eth1
- edit /etc/sudoers and add:
halld ALL=(ALL) ALL
- fix ttyS0 permisions for minicom. May be needed after every reboot:
chmod a+rw /dev/ttyS0
- or from halld account:
sudo chmod a+rw /dev/ttyS0
From the halld account:
- copy files from /group/da/ejw/daq-config into halld home dir:
- .complete.tcsh
- .emacs
- .cshrc
- .alias
- .login
- create directory /home/halld/.xemacs and copy in from /group/da/ejw/daq-config:
- init.el
- custom.el
- create /home/halld/.rhosts:
192.168.1.2 pmt1.jlab.org
- set .rhost permissions:
chmod u=rw .rhosts chmod go-rw .rhosts
- reboot if something is not working properly. Contact computer center if reboot doesn't help.
- Future possibilities
- snapshot using rsync