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Adding a new disk drive to a Linux VMware host without rebooting

After adding a new drive to a VMware (and probably other virtualization systems) host, it is possible to make the Linux OS rescan the SCSI bus.The new drive would appear without the need to reboot the...

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Ubuntu lost network after cloning in VMWare ?

When cloning a Ubuntu server in VMWare, you no longer have network connectivity. When checking your network settings only lo shows up. The sollution to this is : vi...

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Converting kvm guests from lvm to qcow2, base images and snapshots

lvm based kvm guests are fast but you lose some flexibility, playing with kvm on my desktop I prefer to use file based images. Converting from lvm images to qcow2 isn’t hard but the documentation is...

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Getting a console to your VM from the Host Server

When using KVM on your server, it is nice to have the option that you can reach your VM’s console from the host server (even when the networking in the VM is not functioning). To be able to do this, we...

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KVM Bridged Networking on Ubuntu with UFW

When using Ubuntu as a KVM host and UFW for your firewalling, the KVM client can experience a problem with connecting to the outside world. This is related to the bug #573461 in launchpad. The...

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