Why is the shape of cells in a honeycomb always hexagonal?
Sinivasa, Bengaluru In fact the bees simply make cells made of wax that are circular in cross-section. These circular cells are packed together like a layer of bubbles. The wax is s...
‘Tree of life’ for 2.3 million species released
Tens of thousands of smaller trees have been published over the years for select branches of the tree of life – some containing upwards of 100,000 species – but this is the first tim...
Human genes adapted to life in the Arctic
By using genetic information from 4500 Greenlanders, researchers investigated which genes have changed the most over the roughly 20,000 years since the Greenlanders’ most ancient anc...
Experiment confirms fundamental symmetry in nature
The measurements were made possible by the ALICE experiment’s capacity to track and identify particles produced in high-energy collisions of heavy ions in the Large Hadron Collider ...
Using SSH keys instead of passwords
Using SSH keys instead of passwords Linux systems are usually managed remotely with SSH (secure shell). [root@arch ~]# ssh-keygen -l -f .ssh/id_rsa 4096 98:eb:9a:f7:94:bf:a0:a1:4b:5...
Titan helps unpuzzle decades-old plutonium perplexities
Through an allocation by the DOE Office of Advanced Scientific Computing Research Leadership Computing Challenge, a team of condensed matter theorists at Rutgers University, led by P...
The 101 of ELF files on Linux: Understanding and Analysis - Linux…
By reading this guide, you will learn: Why ELF is used and for what kind of files Understand the structure of ELF and the details of the format How to read and analyze an ELF file...
Security Program: Implementing Linux Security
With a proper security program, implementing Linux security can be greatly simplified. Change Management Almost everything is changing continuously. Besides tooling, there is people...
Security Defenses to Fortify your Linux Systems
How to Fortify your Linux Systems Create a Linux security fortress; implementing security defenses using towers, bridges, and guards. Risk Management Security boils down to underst...
Securing mount points on Linux
By default the mount options are not focused on security, which gives us a room to further improve hardening of the system. Via mount options we can apply additional security control...
Russian scientists make progress on secret of eternal life
This work was ongoing for several years and it finished at the end of last year. We need to use the fact that such bacteria were found in our permafrost. I believe that this bacteria...
Record-breaking tiny Chinese land snails discovered
Raising further questions on the entire genus of microsnails, several new samples of an undiscovered land snail species with a height of less than 1mm have been found. Publishing its...
Optimize SSL/TLS for Maximum Security and Speed
Nginx Configuration For the purpose of demonstration, we will show some snippets in this article. Instead, use the great page of Mozilla, which helps you selecting the right cipher ...
New way of retaining quantum memories stored in light
A team of Chinese physicists has now developed a way to confine light. This is significant because the approach allows quantum memories stored within photons to be retained. These fi...
Monitoring Linux Systems for Rootkits
System Protection Kernel The kernel is the brain of the software system and decides what should be executed by the central processing unit. Intrusion Detection While prevention is...
Monitoring Linux File access, Changes and Data Modifications
Monitoring File access, Changes and Data Modifications Linux has several solutions to monitor what happens with your data. From changing contents to who accessed particular informat...
Linux System Integrity Explained: Ensure Data, Logging and Kernel Integrity
Information security helps protecting this valuable data, by ensuring its availability, integrity, and confidentiality. What systems have the most valuable data stored? File system i...
Linux Security for DevOps
We are especially interested in Linux security for DevOps and what they can apply. From the previously mentioned CMDB, used software components, documentation tools or developer repo...
Large trees – key climate influencers – die first in drought: First systematic review of patterns, 38 worldwide forests studied
Additionally, large trees with crowns high in the canopy are exposed to higher solar radiation, and the ability to transport water to their foliage is lower. In all of the seasonal t...
Intrusion detection: Linux rootkits
What is a rootkit? Rootkit detection Methods to detect rootkit presence Since rootkits are malicious, they should be detected as soon as possible. Rootkit detection tools File int...
How to Impose High CPU Load and Stress Test on Linux Using ‘Stress-ng’ Tool
As a System Administrator, you may want to examine and monitor the status of your Linux systems when they are under stress of high load. How Do I use stress on Linux systems? Next, r...
Chimpanzee personality linked to anatomy of brain structures
Chimpanzees’ personality traits are linked to the anatomy of specific brain structures, according to researchers at Georgia State University, The University of Texas MD Anderson Canc...
World’s first $9 Linux based computer is shipping now
Chip costs just $9 — although, of course, things like a monitor, an input device, and shipping are not included in that figure. The board is Open Hardware and and is capable of runni...
Suckless
This project focuses on advanced and experienced computer users, in contrast with the usual proprietary software world or many mainstream open source projects that focus more on aver...
If our eyes could see gravitational waves
This is what the merger of two black holes would look like. It is a computer simulation of the gravitational waves that would ripple away from the titanic collision, a bit like the r...