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Tag Archives: virtualisation
Installing EL7 onto EL5 Xen hosts
With RedHat recently releasing RHEL 7 (and CentOS promptly getting their rebuild out the door shortly after), I decided to take the opportunity to start upgrading some of my ageing RHEL/CentOS (EL) systems. My personal co-location server is a trusty … Continue reading
Tagged centos, code, el, geek, grub, linux, open source, rhel, virtualisation, xen
4 Comments
Fedora x86_64 installer hanging on KVM hosts
Had an annoying problem today where a Fedora x86_64 guest wouldn’t install on my CentOS KVM server. Weirdly the i386 version had installed perfectly, but the x86_64 version would repeatedly crash and chew up heaps of CPU at the software … Continue reading
Tagged fedora, geek, kvm, linux, open source, virtualisation
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Delicious Entropy
I run a large GNU/Linux server with KVM for running numerous virtual machine guests, including build hosts used to package and compile software for different GNU/Linux distributions and other operating systems. I recently ran into an issue during a kernel … Continue reading
Tagged cryptography, entropy, geek, gpg, linux, open source, random, security, virtualisation
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virt-viewer remote access tricks
Sometimes I need to connect directly to the console of my virtual machines, typically this is usually when working with development or experimental VMs where SSH/RDP/VNC isn’t working for whatever reason, or when I’m installing a new OS entirely. To … Continue reading
Tagged geek, kvm, linux, open source, qemu, server, SSH, virtualisation, X11, xen
5 Comments
Munin Performance
Munin is a popular open source network resource monitoring tool which polls the hosts on your network for statistics for various services, resources and other attributes. A typical deployment will see Munin being used to monitor CPU usage, memory usage, … Continue reading
Tagged geek, kvm, linux, monitoring, munin, nagios, open source, virtualisation
6 Comments
Virtualbox Awesomeness
Work recently upgraded us to the latest MS Office edition for our platform. Most of our staff run MacOS, but we have a handful of Windows users and one dedicated Linux user (guess who?) who received MS Office 2010 for … Continue reading
Tagged geek, kvm, ms office, open source, oracle, sun, virtualbox, virtualisation, windows, xen
3 Comments
KVM/libvirt change CDROM
I was setting up some Windows virtual machines this evening on my Linux KVM/libvirt server, in order to experiment with how Windows handles IPv6 networks. Installing windows was easy enough – standard virt-install commands, however post-reboot, Windows XP wants to … Continue reading
Tagged geek, hacks, kvm, libvirt, virtualisation, windows
2 Comments
DHCP, I/O and other virtualisation fun with KVM
I recently shifted from having two huge server racks down to having a single speedy home server running KVM virtual machines, with the intent of packaging all my servers – experimental, development, staging, etc, into a single reliable system which … Continue reading
Tagged dhcp, geek, kvm, linux, network, rhel, server, virtualisation
4 Comments