Taming Linux

Tracking user access to machines

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Quick way not very detailed but it gives you a clue

$ last

nJoy !

(I get shorter and sweeter )

Starting vnc on Display 0 ( local display ) from a remote ssh session

Limiting access iptables

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GParted Live Now Supports Microsoft's New Filesystem, ReFS January 29, 2015
softpedia: GParted Live is a small bootable GNU/Linux distribution that has a lot of features and that can be used in operations like creating, reorganizing, and deleting disk partitions on a variety of filesystems.
11 Useful Linux Terminal Commands, Tip and Tricks For Beginners January 29, 2015
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Debian Forked: All for Devuan and Devuan for All? January 29, 2015
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Ubuntu 15.04 Is The Easy Path To Better Performance For Ubuntu Users On Intel Broadwell January 29, 2015
Phoronix: Unless you manually upgrade your kernel and other system packages from your Ubuntu 14.10 installation, Ubuntu 15.04 Vivid Vervet is an important release for users of new Intel Broadwell systems for ensuring your hardware reaches its maximum performance potential.
Optimising Raspberry Pi code January 29, 2015
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Five UX must-haves for mobile enterprise apps January 29, 2015
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The 5 best open source email clients for Linux January 29, 2015
ITworld: There are plenty of great email clients for Linux desktops.

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Here's some good news for the New Year: According to new research, there's a 1 in 9 chance that a typical American will hit the jackpot and join the wealthiest 1 percent for at least one year in her or his working life. And now the bad news: That same research says only an elite […]
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Just four fairly vague pieces of information -- the dates and locations of four purchases -- are enough to identify 90 percent of the people in a data set recording three months of credit-card transactions by 1.1 million users. If someone had copies of just three of your recent receipts -- or one receipt, one […]
Structure of world's largest single cell is reflected at the molecular level January 29, 2015
Biologists used the world’s largest single-celled organism, an aquatic alga called Caulerpa taxifolia, to study the nature of structure and form in plants. It is a single cell that can grow to a length of six to twelve inches.
Generating Mobius strips of light January 29, 2015
Physicists have experimentally produced Möbius strips from the polarization of light, confirming a theoretical prediction that it is possible for light's electromagnetic field to assume this peculiar shape.
New technique for growing high-efficiency perovskite solar cells January 29, 2015
Researchers have revealed a new solution-based hot-casting technique that allows growth of highly efficient and reproducible solar cells from large-area perovskite crystals. The researchers fabricated planar solar cells from pervoskite materials with large crystalline grains that had efficiencies approaching 18%.
CAT scan of nearby supernova remnant reveals frothy interior January 29, 2015
Cassiopeia A, or Cas A for short, is one of the most well studied supernova remnants in our galaxy. But it still holds major surprises. Astronomers have now generated a new 3-D map of its interior using the astronomical equivalent of a CAT scan. They found that the Cas A supernova remnant is composed of […]
First-ever view of protein structure may lead to better anxiety drugs January 29, 2015
When new medicines are invented, the drug may hit the intended target and nullify the symptoms, but nailing a bull's eye -- one that produces zero side effects -- can be quite elusive. New research has, for the first time, revealed the crystal structure of a key protein, TSPO, which is associated with several forms […]
Global warming won't mean more storms: Big storms to get bigger, small storms to shrink, experts predict January 29, 2015
Atmospheric physicists predict that global warming will not lead to an overall increasingly stormy atmosphere, a topic debated by scientists for decades. Instead, strong storms will become stronger while weak storms become weaker, and the cumulative result of the number of storms will remain unchanged.
Individuals may fail to navigate complex tradeoffs in privacy decision-making January 29, 2015
Researchers have detailed the privacy hurdles people face while navigating in the information age, and what should be done about privacy at a policy level, in a new review.
Key element in circadian clock speed discovered January 29, 2015
In a discovery that may lead to new treatments for sleep disorders, jet lag and other health problems tied to circadian rhythms, researchers have identified a determinant of the circadian clock's period.