Archive for the ‘VMware’ Category
Monday, November 8th, 2010
Today I successfully upgraded 4 ESXi hosts to VMware ESXi 4.1. Since I do not have Virtual Center (they are mainly lab machines), I found very good hints about hot to do it from CLI via SSH. And as usual, to avoid forgetting how I did it’s good ...
Posted in linux, VMware | No Comments »
Wednesday, November 19th, 2008
To setup properly the portgroups in VMware vSwitching environment, we had to create two portgroups per vSwitch as depicted below:
Reason for this configuration is that "operative portgroups" where servers and machines are connected should not be in Promiscuous mode to avoid sniffing other machines' traffic, while ...
Posted in ips, VMware | No Comments »
Monday, October 27th, 2008
OpenFiler is a great system to implement NAS (Network Attached Storage) in a network using general purpose hardware.
On the 'Net you can find great tutorial about how to setup with VMWare ESX servers, but it contains one important mistake:
When you define the ACL the netmask for every host is /32 ...
Posted in Network Attached Storage, VMware | 2 Comments »
Friday, October 17th, 2008
I was trying to installing VMWare Server 2.0 but it kept getting this error
System Administrator has set policies to prevent this installation.Quick and dirty solution in 8 steps:
Click Start -> Control Panel
Open Administrative Tools
Open Local Security Settings
Click Software Restriction Policies
If no software restrictions are defined, right click the Software Restriction ...
Posted in VMware | No Comments »
Tuesday, April 22nd, 2008
Running vmware-config-tools.pl script on a guest CentOS 5.1 virtual machine in a VMWare Server 1.0.5 environment will not find the proper kernel modules, so it will prompt you to compile the modules.
To do this you need a compiling environment (namely gcc) and the C kernel headers installed.
If your machine is ...
Posted in linux, VMware | No Comments »
Sunday, January 27th, 2008
VMWare Server 2.0 Beta.
You define a Linux virtual machine (or import a machine defined elsewhere) and it stands forever during boot in "SCSI Spinning Disk".
This is due to the fact that machine has been defined using BusLogic SCSI while it should be using LSI.
Change Virtual Disk Controller Type to LSI ...
Posted in linux, VMware | No Comments »
Sunday, January 27th, 2008
Although unsure about the reasons why this happened, I'm reporting this since it might be useful in future.
Situation: have a working small (6 MB) Linux Live CD with kernel 2.6.8-1 running in VMWare workstation, defined as Linux 2.2.x Kernel guest OS.
Tried same in VMWare Free Server 2.0 Beta defining guest ...
Posted in linux, VMware | No Comments »
Friday, December 28th, 2007
Regardless of VMWare Version you're using, you should have the command line tool
vmware-vdiskmanager
This useful command line tool can be used for many operations (vmware-vdiskmanager --help) including expanding a Virtual Disk without losing data contained.
The syntax for expanding is:
vmware-vdiskmanager -x 36Gb virtual_disk_name.vmdk
If you have partitions within the disk, remember that the ...
Posted in VMware | No Comments »