Context switch can be 3 times slower in virtual environment such as VMware ESX

Tsuna analyzes how match time it takes to make a context switch. All analyzed chips are Multi-core Intel CPUs. OS / scheduler used – standard Linux Kernel. Results: depends on what we call a context switch (theoretical / real world) and what we measure is: 1000 ns – 4500 ns (up to 45000 ns – …

VMware Guest OS: The trust relationship between this workstation and the primary domain failed

VMware Guest OS: The trust relationship between this workstation and the primary domain failed. I received this errors two times on a row for two different computers. I am not 100% sure, but from reading the web I came to conclusion that this error is encountered when: SID gets cloned when computer gets cloned using …

VMware ESXi enable remote ssh access (unsupported)

To enable VMware ESXi 4.0 SSH (Windows Putty) access: At physical console press ALT+F1. VMware ESXi banner will appear. There is no prompt on the screen, but type ‘unsupported’ and press Enter. Now at password prompt type root password. You are logged in Linux console. Type: vi /etc/inetd.conf Locate line with commented SSH – ‘#ssh …