http://blogwords.neologix.net/neils disconnected thoughts and random brain dumps Wed, 22 Oct 2008 09:40:22 +0000 http://backend.userland.com/rss092 en One problem I've been having recently with MS WinXP workstations connecting and authenticating to a Samba PDC is that the workstation cannot authenticate to the PDC and download the roaming profile (it uses the local cached copy of the profile instead). The problem seems to be occurring quite frequently with ... http://blogwords.neologix.net/neils/2008/10/22/force-synchronous-network-startup-for-ms-winxp/ I've been looking at options for more compact (read unobtrusive) setups for generating electricity from wind power and came across this interesting article on Windbelts. They also include some documentation as well as details on how to build an experimental version of a Windbelt :=) http://blogwords.neologix.net/neils/2008/10/22/a-new-slant-on-generating-electricity-from-wind-power/ I know, you're asking why would anyone want to do this? Well the answer is that the version I have to work with (VMWare ESX 3.0.2 Starter Edition) does not include support for cloning VMs!!! Firstly you need to read the excellent notes posted by Mario at http://www.mariospina.com/braindump/ on cloning VMWare ... http://blogwords.neologix.net/neils/2008/10/22/cloning-vmware-vm-by-hand/ Postgres triggers are created in 2 stages, firstly you create the trigger function then you link the function to the trigger event. In this sample code a function that fires during before an INSERT event updates a column in the table where the data is being inserted. The function uses ... http://blogwords.neologix.net/neils/2008/10/21/postgres-triggers-and-trigger-functions/ To apply Sun packages manually use the pkgadd command pkgadd -d full-path-to-package package-name eg. pkgadd -d /cdrom/Sol10/pkg SUNWlucfg http://blogwords.neologix.net/neils/2008/06/08/apply-sun-packages-manually/ The Sun Update Manger usually downloads patches to ⁄var⁄sadm⁄spool as .jar files but cannot always apply the patches from the GUI. In this case you may need to open a terminal window and use: patchadd [-n] [-B full-path-to-backout-directory -M full-path-patch-directory patch-file-name where: -n ... do not check the patch signing -B ... backout directory. ... http://blogwords.neologix.net/neils/2008/06/08/applying-signed-patches-jar-to-solaris/ snmp - the Simple Network Management Protocol is anything but as I discovered while trying to monitor status on remote devices. The story so far ... Some background on snmpwalk snmpwalk is a very useful tool to explore what snmp information is available from an snmp enabled device. To use snmpwalk, on ... http://blogwords.neologix.net/neils/2008/05/08/using-snmp-to-monitor-cisco-asa/ I've been looking for a renewable energy system that ties in with the normal power grid for our office and this grid tie system at xantrex looks very interesting. Also look at Solar Online Australia for some local resources. More when I can take this idea further ... http://blogwords.neologix.net/neils/2008/05/07/backup-renewable-energy/ This will add spam and av scanning to Exim4 configuration at smtp time - note it does not use Exiscan. It will also add a ***SPAM*** marker to the subject line of mails whose spam score is between our minimum spam threshold and the upper spam threshold above which spam ... http://blogwords.neologix.net/neils/2008/05/07/eximspamassassinclamd/ I wanted to install an anti-virus scanner to work with my smtp server (exim) and since I couldn't find a centos repository that included clamav and didn't want to spend hours searching I just downloaded the source and installed from scratch. To do this you will need to have a ... http://blogwords.neologix.net/neils/2008/05/06/installing-clamav/