Xen on Debian with IPtables IPv4 IPv6

This will show how to setup iptables, ip6tables for Xen on Debian using iptables-persistent. Example config for HTTP, HTTPS, SSH server with IPv4 and IPv6. Install iptables-persistent, a boot-time loader for netfilter rules, using apt-get. apt-get install iptables-persistent During install a dialog will show up asking for snapshotting IPv4/IPv6 rules to files and use them…

XenServer 6.5 released OpenSource

Recently I read a nice blog article about Xen and Docker and why it is useful to have them both. Development on Open Source XenServer is active. Together with docker it feels like being on the right track! Go here to give XenServer a go: http://xenserver.org/open-source-virtualization-download.html Managing XenServer cluster using web interface can be done…

Skip or force fsck on reboot Debian

Reboot without fsck Rebooting debian server skipping fsck run on boot: user@server:~# sudo shutdown -rf now Reboot with fsck Rebooting debian server forcing fsck run on boot: user@server:~# sudo shutdown -rF now Another solution is to create a file called forcefsck. user@server:~# sudo touch /forcefsck

Howto Xen 4.4 on Debian Jessie at Hetzner

Introduction This instructions are for base installation of Xen hypervisor on Debian Wheezy/Jessie server on Hetzner root server. First we are going to install useful linux tools. After installation and configuration of Xen on Debian, we are doing the network setup with IPv4 and IPv6. There is a difference wheter you buy a IP address subnet or single additional…

nftables vs iptables on Debian

There is no versus – nftables will be successor of iptables. You might know ebtables, iptables, ip6tables, arptables – in future there will be an abstraction layer for ipv4, ipv6, arp, bridge hazzle to enable icmp ping only for example and further nice firewall rules. For easier upgrade there are translation-wrapper existing to move from iptables…

XCP-XAPI, XCP, Xen Mangement via API

Xen Management Follow my story about how to control Xen Dom0 with console, web interface or api. History In 2013 and 2014 I thought it could be possible to have a Xen installation on Debian/CentOS/Whatever Linux. This is easy manageable via web interface, management console (like XenCenter) or API. Well, XenCenter+XenServer is the best, but feels…