The ramblings of a computer geek
We are running on Microsoft Windows 2008 Server Standard R2, after installing VMWare Tools, the mouse performance is still annoyingly jerky. In Windows 2003 or XP just installing the VMWare Tools and setting the Troubleshooting “Hardware Acceleration” to “Full” fixes the problem. However in Windows 2008 Server R2 the driver picked up doesn’t seem to … Read more
If you need to use jumbo frames on your ISCSI you need to run this command from the command line of the ESX host: e.g. You’ll need to reboot to let the changes take effect. To verify run the below, which lists the current settings. http://www.vi-tips.com/2009/04/configuration-of-iscsi-in-vmware-vi3.html
I recently completed a migration of an 8 year old Oracle server to a nice new VM running on VMware Vpshere 4.1, this went without too many problems. However when people started to use it, the performance suffered and the server ground to a halt. The software vendor whose database it was imediately said, “ah … Read more
I recently had to resolve some TNS listener errors on a Oracle database server. It was Oracle 11g running on Microsoft Windows 2003 Server R2 SP2 32bit. Basically the problem was that the memory Oracle was using was hitting the 2gb ram limit in the 32bit user space. Adding the /3GB switch to the end … Read more
I had a cisco 3750 switch that i wanted to enable some vlans for voice on, but only having one DHCP server on a completely seperate vlan to the voice vlans. vlan 1 = data (dhcp server on this range) vlan 266 = voice (phone dhcp clients on this range) PROBLEM The switch for some … Read more
We were setting up an Aruba with a Cisco 3750 we are trying to allow trunking of VLANs to the aruba from the switch and also bonding both the NICs on the aruba to two ports on the cisco in an etherchannel to give us 2GB uplink. Here’s how we did it, we didn’t need … Read more
While setting up my new domain controllers, came across this site, looks to offer some good tips about AD. http://www.tech-faq.com/configuring-and-troubleshooting-active-directory-replication.shtml
Service Principal Names (SPN) – A Basic Overview For kerberos to operate correctly, it needs to make use of SPNs. Service Principal Names are built up to link a domain account to a service on a server. So if you run your SQL server service on the server called: SERVER01 in the domain: turnip.com using … Read more