Disable IPv6 Auto-Configuration Address

IPv6 is autoconfiguring, that’s great for worksations and mobile devices, but for servers you want some control. Yes you can hard code a static IPv6 address, but it will also show an autoconfiguration address too. You can disable the RA’s from the router, but in some cases you might not want to do this. So … Read more

Moodle 2.5 Error: “Cannot find data record in database table course_module”

You get this error when opening a course, in this case we were using course 33. When entering the course, you get this error message: “Cannot find data record in database table course_module” http://moodle.domain/course/view.php?id=33 SOLUTION: Open MySQL Workbench on the server and then run this query: Then you should see the course record in the … Read more

Dell 6Gbps SAS HBA – Adapter(s) Disabled by User

Upon booting the Dell PowerEdge R720 server with two Dell 6Gbps SAS HBAs that are installed and connected to a two drive Dell PowerVault TL4000 I got this error message Turns out this is a normal error. Page 25 of ftp://ftp.dell.com/Manuals/all-products/esuprt_ser_stor_net/esuprt_dell_adapters/dell-sas-hba-6gbps_User’s%20Guide_en-us.pdf Basically because it is a tape HBA, the error is saying it cant be … Read more

Dell 6Gbps SAS HBA – Adapter(s) Disabled by User

Upon booting the Dell PowerEdge R720 server with two Dell 6Gbps SAS HBAs that are installed and connected to a two drive Dell PowerVault TL4000 I got this error message Turns out this is a normal error. Page 25 of ftp://ftp.dell.com/Manuals/all-products/esuprt_ser_stor_net/esuprt_dell_adapters/dell-sas-hba-6gbps_User’s%20Guide_en-us.pdf Basically because it is a tape HBA, the error is saying it cant be … Read more

Installing VMware SRM 5.5.1 with VMware vSphere 5.5 Plugin Install Error

PROBLEM: In VSphere client, click on “Plug-ins” then click on “Download and Install” alongside the “Vmware vCenter Site Recovery Manager Extensions” when prompted run the installer. If you get the prompt saying that: “VMware Vsphere Client Version 5.5 needs to be installed before Vmware VCenter Site Recovery Manager can be installed.” you need to do … Read more