lxadmin password not applying in HyperVM

If you get the following error in lxadmin when running HyperVM run the the command “/script/upcp” , reboot the VPS and try once again

“lxadmin  Your password is now set as a generic password which constitutes a grave security threat. Please change it immediately by  clicking here.”

Filed under: Uncategorized by — ijan @ 8:56 pm

Custom Kernel per VPS in HyperVM

To use a customer kernel per VPS in HyperVM, copy (or link) the kernel to  /boot/hypervm-xen-vmlinuz-vps.vm where vps is the name of the VPS.

Filed under: Uncategorized by — aaron @ 8:21 pm

XenServer Error While Adding Local Storage: SR_BACKEND_FAILURE_105

If you are receiving an error like the following in XenServer: SR_BACKEND_FAILURE_105

Edit the /etc/xensource-inventory file, and modify the PRIMARY_DISK value to a different drive.  Please note that there is no guarantee this will work, however it will create the local storage repository.

Filed under: Uncategorized by — aaron @ 11:33 pm

Adding Local Storage XenServer

To add local storage on XenServer using LVM, you can use the following command:

xe sr-create host-uuid=<tab> content-type=user name-label=”label you wish to use” shared=false device-config:device=/dev/DEVICE type=lvm

Filed under: Uncategorized by — aaron @ 11:04 pm

HyperVM: cannot restore segment prot after reloc: Permission denied

Error:

Failed loading /usr/local/lxlabs/ext/lib/Zend/lib/Optimizer-2.5.7/php-5.2.x/ZendOptimizer.so:  /usr/local/lxlabs/ext/lib/Zend/lib/Optimizer-2.5.7/php-5.2.x/ZendOptimizer.so: cannot restore segment prot after reloc: Permission denied
Zend
2004072203214624464xù

Solution:

If you are receiving this error while installing HyperVM, then you need to disable selinux.  This can be done by changing it to disabled in /etc/selinux

Filed under: Uncategorized by — aaron @ 1:53 am

Performance Tuning 3Ware RAID Cards

Some useful articles from 3Ware:

http://www.3ware.com/kb/Article.aspx?id=11050

http://www.3ware.com/KB/Article.aspx?id=10889

Filed under: Uncategorized by — aaron @ 12:03 am