ePanorama.net

All about electronics and circuit design

USB cable tester

I had a small box full of USB cables that I did not know if they were good or not after use. Those were taken out of use when they did not seem to work OK, and nothing is more annoying than unreliable USB charging cable. I found this 3-In-1 Micro USB Type-C Data Mini

Linux kernel 5.0 released

https://www.cyberciti.biz/linux-news/linux-kernel-5-0-released-how-to-install/ Linus Torvalds the creator and the principal developer of the Linux kernel announced the release of Linux kernel version 5.0. This release increases the major kernel version number to 5. from 4.x. There are not any major changed in features but still normal set of changes you can expect from version to another. On

Open-source communities fight over telco market | TechCrunch

https://techcrunch.com/2019/02/27/open-source-communities-fight-over-telco-market/ The Linux Foundation (LF) had its own booth at MWC. The booth is shared by the three LF projects: the Cloud Native Computing Foundation (CNCF), Hyperleger and Linux Foundation Networking, the home of many of the foundational projects like ONAP and the Open Platform for NFV(OPNFV) that power many a modern network. With the

Cyber Security March 2019

This posting is here to collect cyber security news in March 2019. I post links to security vulnerability news to comments of this article. If you are interested in cyber security trends, read my Cyber security trends 2019 posting. You are also free to post related links.

Sparks of joy

What if a jolt of electricity could make you happy? http://blogs.discovermagazine.com/d-brief/2019/02/22/new-experiment-scientists-used-jolts-electricity-spark-actual-joy/#.XHeCgmnks0P People all around the world have been exhausting themselves of late trying to “spark joy” in their lives. Any emotion we feel has a physical cause inside our brains: Electrical charges pass from neuron to neuron. It seems that what we call happiness is

Breaking out of Docker via runC – Explaining CVE-2019-5736 | Twistlock

https://www.twistlock.com/labs-blog/breaking-docker-via-runc-explaining-cve-2019-5736/ More than a week ago (2019-02-11) a new vulnerability in runC was reported by its maintainers. Dubbed CVE-2019-5736, it affects Docker containers running in default settings and can be used by an attacker to gain root-level access on the host. The same fundamental flaw exists in LXC. Both runC and LXC were patched and

Circular buffer for embedded systems – Overlay Technology

https://overlay.technology/circular-buffer-for-embedded-systems/ The circular buffer behaviour is ideal for implementing any data structure that is statically allocated and behaves like FIFO. As an example, mailboxes and queues can be implemented using the circular buffer as a kernel. This post is part of the Memory Control Structures series. Also, read the other posts in the series…

Linux 4.18 Continues Prepping For The Year 2038

https://www.phoronix.com/scan.php?page=news_item&px=Linux-4.18-More-Y2038-Prep The Linux kernel has already been prepping for years for Year 2038 and that work is still ongoing with the in-development Linux 4.18 kernel. The Year 2038 problem is when systems using a signed 32-bit integer for storing the time since 1 January 1970 (standard for the Unix time-stamp) will wrap around. Solving the