How to install Xen hypervisor on unused old hardware. Xen is a bare metal hypervisor, meaning that you must prepare a bare machine to install and run Xen. KVM is a little different - you can add it to any machine already running Linux. Jessie is not the only choice - Xen support is built into the Linux kernel, and plenty of Linux distributions include one of these Xen- enabled kernels.

Vmware ESXi

Find unused hardware. As a start, find a suitable workstation which can be wiped out, such as an old laptop or desktop.

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Older hardware may not be good for gaming, but it is good enough for a host OS and a couple of guests. A PC with these specifications works fine. CPU with 2 cores (6. CD, DVD or USB. a network interface.

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Note that the CPU must be a 6. Debian dropped support for 3. Xen packages. 2. 01.

A second- hand laptop from e. Bay and a memory upgrade will do fine.

Burn a bootable CD/USBDownload the ISO image for Debian Jessie. Replace /dev/sdc with the device name you identified above. If the Wi. Fi won't connect because firmware or driver software is missing, you won't get very far. Partition the disk.

This setup uses four primary disk partitions. Set up the four partitions like this. A basic working system can always be added to later. Debian's APT (Advanced Package Tool) makes adding software easy. Installing Debian on a workstation can cause pretty obscure time- wasting issues.

Perhaps a graphics driver does not agree with the kernel or maybe the old CD- ROM drive only works intermittently. When it comes to choosing what to install, do install an SSH server and don't install a desktop like Gnome. A graphical desktop requires hundreds of package installs - it's a lot of extra work that can be done later. If you run into problems, waiting for that desktop install is a waste of time. Also, without desktop component, the system boot will be much quicker - seconds rather than minutes. This procedure requires a few reboots, so that's a handy time- saver. An SSH server lets you configure the workstation from another computer.

This allows you to avoid some of the problems with old hardware - perhaps the old machine's keyboard is missing keys, the LCD screen has dead pixels or the trackpad is unresponsive etc. Add LVM (Logical Volume Manager)Install the LVM tools as the root. If you want to test LVM works, create a volume then delete it. We are going to add eth.

Linux bridge by editing the network configuration file (/etc/network/interfaces). Before making any change, back up the network configuration file to keep the original working configuration safe. Xen is not yet installed at this point.

When the GRUB screen appears, you can see extra booting options listed. The first option will boot automatically in five seconds (see the GRUB. Press the down arrow to highlight the option .

Without any Xen guest domain created, the only entry should be Domain- 0, your Debian installation. Teks Drama Singkat Lucu 5 Orange here. Change the boot order. When you reach this point, the Xen install is complete. There is one more thing to fix - the default boot will not load Xen. GRUB chooses the first item in the boot menu (Debian GNU/Linux), not the third (Debian GNU/Linux, with Xen hypervisor). The default option in the boot menu is defined in the grub configuration file /boot/grub/grub. To change the default option, don't edit that file, but edit /etc/default/grub instead.

A little helper program called grub- mkconfig reads in this default configuration file and all the templates in /etc/grub. Edit Debian's configuration file for grub- mkconfig. Check that the third option . The Debian library includes a few desktop environments. If you want a graphical desktop that includes everything and the kitchen sink, go for Gnome.

If graphics just get in your way, try Awesome. Note that the Debian Jessie default environment Gnome comes with a huge amount of extra applications including the productivity suite Libre. Office, the Iceweasel web browser and the Rhythmbox music player.

The install command . Running this heavyweight desktop takes up 1.