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Needed to upgrade the XenServer (v6.0) host memory, while shutting down the VM’s running on the host, i encountered, two of windows x64 guests stuck and hung while shutting down.When attempted to force shutdown, it complained that “Another operation involving the object is currently in progress “ Goggling for the error found the following link [...]

“The Xen hypervisor now can run natively with Dom0 (Domain 0) privileges. This gives it, like Linux’s Kernel-based Virtual Machine (KVM), the ability to work at the lowest possible level of the Linux kernel. In practical terms this means Xen virtual machines should run faster.” wow, virtualization i love it… source: here

recently i prepared RHEL AS4.8 server connected behind firewall, in DMZ.the domain part of hostname of the server was reflecting the internet domain name and the local MS-AD Domain was <domain>.localconnecting to this nix box from ms-platform was taking pretty long time to login after username & password request.Upon googling i found this link which [...]

am excited to announce that am now running my own free usage tier AWS instance, hosting bitnami wordpress cloud stack. go get yours… before that please have a look my another weblog here

Why Not Use…? Many excellent solutions such as Acronis and Norton Ghost already exist. However, most backup tools cost money, only save data files (rather than the whole system), or come with restrictive licenses. Many are applications that are designed to run on a specific platform. While there are some open source alternatives, these programs [...]

While the delivery of virtual machines is indisputably faster than deploying physical machines, it is often assumed that this also streamlines the process of deploying IT Services (applications). Virtualization can be used as an accelerator for building out highly dynamic cloud based services, however, the fact remains that while provisioning and deploying VMs has been [...]

To wrap this year, I’ve collected 50 UNIX / Linux sysadmin related tutorials that we’ve posted so far. This is lot of reading. Bookmark this article for your future reference and read it whenever you get free time. 1.    Disk to disk backup using dd command: dd is a powerful UNIX utility, which is used [...]