The ramblings of a computer geek
If you are virtualising its a good idea to disable the login screensaver, this will save on processor cycles wasted drawing the screensaver to save a screen that doesn’t exist. Imagine 10 servers on an ESX host all with the screensaver running this does create an overhead. To disable do the following: [Start] [Run] [Regedit] … Read more
After an upgrade to WordPress 3.1, everytime I hit the front page of my wordpress site I was getting 100% CPU and the page would fail to render, no 404 just a hourglass and lots of waiting. However I could get to the admin site fine. It turned out to be a problem that is … Read more
My Tomcat 6.0 server suddenly decided to croak. Strange thing was nothing had changed. [2010-10-29 08:41:57] [994 prunsrv.c] [error] Failed creating java C:\jdk\jre\bin\server\jvm.dll [2010-10-29 08:41:57] [1269 prunsrv.c] [error] ServiceStart returned 1 [2010-10-29 08:43:14] [174 javajni.c] [error] The specified module could not be found. Was getting the error above, so i used filemon under the Procmon … Read more
Windows can allow a user to create a file or folder with a space at the end that it then cannot manage, to remove it you need to follow this procedure. You’ll receive an error if you try to remove it. Find out the 8.3 version of the folder name by opening a command prompt: … Read more
There are many causes of a 500 error on PHP pages on IIS. But this was a little bit of a weird one, when trying to make some php pages work they all generated 500 errors. I created a test php page which worked fine, just all the scripts didn’t so I checked through the … Read more
I have the following problem when trying to install nsclient++ onto a Windows 2003 Server SP2 (note this is a member server). Using a local administrator account on the server trying to install the install completes but the service does not get registered trying to manually register gives this error: C:\Program Files\NSClient++\nsclient++ -install e NSClient++.cpp(212) … Read more
Heres a neat trick, seems to work ok. Remember however, when you export it switches off the old dhcp server. So be quick! http://support.microsoft.com/kb/325473/
The * means prompt for a password. Example Okay say you have a member server that has fallen off the domain, but you don’t want to go through the normal procedure of using “My Computer”->”Computer Name” and then disjoining to a WORKGROUP rebooting, then re-joining to the domain and rebooting again. Note: You need to … Read more
Open ADSI edit. Configuration-> Services- > NetServices Checked the properties of: CN=DhcpRoot Then edited this attribute: dhcpServers There was one server listed in there: i172.17.5.1$rcn=cdc.domain.com$0x00000000$dcdc01.domain.com$ This was the one that seemed to be left hanging around. Took a note of the settings just incase then deleted it and clicked “OK” to apply the settings. Checked … Read more
How to setup the NSClient++ on Windows