vInfrastructure Blog

Reading Time: 5 minutes Each big vendor has some kind of “community award” for individuals who have significantly contributed to the community of the specific vendor’s users over the past year. Those kind of “technologies experts” could be book authors, bloggers (in most cases), leaders in some communities, tool builders, and other IT professionals who share their knowledge and passion with others. These people have gone above and beyond their day jobs to share their technical expertise and communicate the value of the specific vendor’s technologies to their colleagues and to the community.

Reading Time: 2 minutes Dirty COW (CVE-2016-5195) is a privilege escalation vulnerability in the Linux Kernel. The bug has existed since around 2.6.22 (released in 2007) and was fixed on Oct 18, 2016. “A race condition was found in the way the Linux kernel’s memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on the system.” (RH)

Reading Time: 3 minutes Is (system) virtualization becoming legacy or old style? Sounds a strange question, but there are three main trends that are changing the role and the weight of virtualization in the IT: Competition and more choices and options: VMware vSphere is still the leader (in most cases), but other hypervisors like Hyper-V and KVM are growing fast and become mostly features comparable. Cloud management and cloud services: in most cases virtualization is hidden by the managemed and also for IaaS cloud virtualization is not necessary mandatory (see also virtualization is not cloud). Container and microservices: are […]