Software: OpenStack Charms 17.08, PiCluster 2.2 and More
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OpenStack Charms 17.08 release!
The OpenStack Charms team is pleased to announce that the 17.08 release of the OpenStack Charms is now available from jujucharms.com!
In addition to 204 bug fixes across the charms and support for OpenStack Pike, this release includes a new charm for Gnocchi, support for Neutron internal DNS, Percona Cluster performance tuning and much more.
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Go Serverless with new PiCluster 2.2
I am pleased to introduce the new release of PiCluster! In PiCluster 2.2, there is now support to deploy functions! With this new feature, applications can spin up containers themselves and retrieve data from the PiCluster server. Let’s explore how this works.
When a function is finished running, the container is automatically deleted and the output is stored on the server. When the application requests the data from the server, the data is removed as well.
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Plasma publictransport rewrite – Part II
Last time we heard the publictransport applet was being re-written was almost a year back now. Since then, it has indeed gone through some sorts of rewrite, but at the Randa meetings, 2017, this has taken a whole new course.
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Spam filtering with Rspamd
Running one's own mail system on the Internet has become an increasingly difficult thing to do, to the point that many people don't bother, even if they have the necessary skills. Among the challenges is spam; without effective spam filtering, an email account will quickly drown under a deluge of vile offers, phishing attempts, malware, and alternative facts. Many of us turn to SpamAssassin for this task, but it's not the only alternative; Rspamd is increasingly worth considering in this role. Your editor gave Rspamd a spin to get a sense for whether switching would be a good thing to do.
SpamAssassin is a highly effective tool; its developers could be forgiven for thinking that they have solved the spam problem and can move on. Which is good, because they would appear to have concluded exactly that. The "latest news" on the project's page reveals that the last release was 3.4.1, which came out in April 2015. Stability in a core communications tool is good but, still, it is worth asking whether there is really nothing more to be done in the area of spam filtering.
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Finding driver bugs with DR. CHECKER
Drivers are a consistent source of kernel bugs, at least partly due to less review, but also because drivers are typically harder for tools to analyze. A team from the University of California, Santa Barbara has set out to change that with a static-analysis tool called DR. CHECKER. In a paper [PDF] presented at the recent 26th USENIX Security Symposium, the team introduced the tool and the results of running it on nine production Linux kernels. Those results were rather encouraging: "it correctly identified 158 critical zero-day bugs with an overall precision of 78%".
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