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Preface We had oVirt virtualization cluster runnning for quite a while (on HP ProLiant hardware), and it (along with 2 other servers) was powered with APC SmartUPS 3000 with additional battery pack. Some time ago I noticed that battery level indicator was never 100% at UPS (while 100% at add-on battery pack). APC software indicated . . . → Read More: oVirt Virtualization Cluster – UPS with LiFePO4 Batteries and Automatic Shutdown Preface One day we finally decide to install a virtualization cluster. Although we had just several Linux and 2 Windows servers, managing all that staff scattered across different boxes becomes too cumbersome and time consuming, so move and run them under KVM (kernel virtual machine) on 2 physical servers was a logical solution. . . . → Read More: RAID L1/5/10 Benchmarks for oVirt/KVM Virtualization Servers Preface I have an old laptop – Lenovo ThinkPad Edge 11, manufactured between 2011-2013, which I use about 6 weeks in a year. With recent OS it becomes a slowpoke, even with 500GB 7200RPM hard drive. so I run into dilemma – what to do next, replace or upgrade. Basically laptop is very . . . → Read More: Revitalization of the Old Lenovo ThinkPad Edge 11 Laptop [2026-06-08] Remove Undeletable Stubburn Files from NextCloud Shared Directory on Windows Time to time due to glitches and artifacts some files within NextCloud shared directory on Windows become undeletable because of corrupt permissions. Run these commands in terminal as administrator replacing <…> with your account/dir actual data without “<>”, then trash files in a normal . . . → Read More: Linux Tips & Tricks |
