Rolling XCP-ng 7.4.1 over XenServer 6.5
Off to XenServer 7.3 we go! Starting with XenServer 7.3, Citrix cut off features from their free XenServer edition among... Continue reading →
Setup SSH public key authentication on a QNAP NAS
Configuring SSH public key authentication on a QNAP NAS can be a bit complicated. Up to QNAP firmware 4.0.5, it... Continue reading →
IT Administrator guide to Windows XP end of life risks and solutions
There is a lot of talk about Windows XP support end of life to cause major internet security disaster. For... Continue reading →
Microsoft SQL Server 2014 Standard Edition licensing changes makes it less attractive to SMBs
I always keep on eye on the evolution of SQL Server. As I was going through that article from Jeremiah... Continue reading →
Exim4 not sending authentication to a remote smarthost SMTP
Update 2014-08-15: This article also solves the symptom 503 sender is null. Seen with net.cn mail service. I stumbled on... Continue reading →
Forward domain DNS queries over OpenVPN with Tomato firmware
For various reasons you may want to selectively redirect DNS queries for a specific domain to a specific server. In... Continue reading →
SMTP relay with Exim4
Context Servers are made to send email notifications to administrators, and you need to receive them. Don’t believe me? Linux... Continue reading →
Citrix XenServer, Enterprise Class virtualization for Free!
Citrix recently annonced the release XenServer 6.2 virtualization solution, fully-featured, for free and OpenSource. Citrix XenServer was actually already partly... Continue reading →