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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Tiny rugged COM runs Linux on quad-core 2GHz Tegra K1 February 28, 2015
LinuxGizmos: GE unveiled a rugged COM Express Type 10 Mini module that runs Linux on a 2GHz Tegra K1 and offers soldered 2GB RAM and support for CUDA and VisionWorks.
Red Hat invites all to work on its OpenShift PaaS cloud February 27, 2015
ZDnet: Red Hat's OpenShift Commons invites open-source programmers and users to work on its OpenShift Platform-as-a-Service cloud.
GNOME 3.16 to Feature Redesigned and Superb System Notifications February 27, 2015
softpedia: GNOME 3.16 promises to be one of the best releases made so far and numerous changes have been already announced.
Record Screen as Animated GIF in Ubuntu with Byzanz February 27, 2015
MakeTechEasier: If you are a Linux user and are looking for ways to record your screen as an animated GIF, byzanz is the app for you.
Ubuntu 14.04.2 arrives with updated hardware support and a new Linux kernel February 27, 2015
PC World: Because each LTS release ends up being the recommended one for two years, the Ubuntu project releases regular updates to the LTS installation media.
Pearl OS Could Be a Gem in the Making February 27, 2015
LinuxInsider: All in all, Pearl OS is a promising Linux distro.
The state of Linux gaming in the SteamOS era February 27, 2015
Ars: After 14 months in beta, where does Valve's new platform push stand?
Monitor network traffic with Cacti February 27, 2015
Linux User & Developer: Learn how to install and configure Cacti in order to watch the traffic of a Cisco ADSL router using SNMP
Android ski goggles offer augmented reality display February 27, 2015

Reasons for ibrutinib therapy discontinuation in CLL February 27, 2015
About 10 percent of patients with chronic lymphocytic leukemia discontinued therapy with the Bruton tyrosine kinase inhibitor drug ibrutinib because of disease progression during clinical trials, according to a new study.
First detailed microscopy evidence of bacteria at the lower size limit of life February 27, 2015
Scientists have captured the first detailed microscopy images of ultra-small bacteria that are believed to be about as small as life can get. The existence of ultra-small bacteria has been debated for two decades, but there hasn't been a comprehensive electron microscopy and DNA-based description of the microbes until now. The cells have an average […]
Crohn's disease not exempt from racial disparities February 27, 2015
Significant differences were found in hospital re-admissions, medication usage, and both medical and surgical complications of children with Crohn's disease related to race. In the study, black children had a 1.5 times higher frequency of hospital re-admissions because of Crohn's disease compared to white children.
Research of plain wren duets could help further understand fundamentals of conversation February 27, 2015
Known for their beautiful singing duets, plain wrens of Costa Rica perform precise phrase-by-phrase modifications to the duration between two consecutive phrases, achieving careful coordination as their songs unfold. A new study shows that these songbirds achieve precise coordination by adjusting the period between two consecutive phrases (inter-phrase intervals), depending on whether their song is […]
Life 'not as we know it' possible on Saturn's moon Titan February 27, 2015
A new type of methane-based, oxygen-free life form that can metabolize and reproduce similar to life on Earth has been modeled. It is theorized to have a cell membrane, composed of small organic nitrogen compounds and capable of functioning in liquid methane temperatures of 292 degrees below zero.
Hospitals participating in ACS NSQIP significantly improve surgical outcomes over time February 27, 2015
The majority of hospitals participating in the American College of Surgeons National Surgical Quality Improvement Project improve surgical outcomes over time, and improvement continues with each year that hospitals participate in the program, according to a new study.
Introverts prefer mountains February 27, 2015
In a series of three studies, researchers tested whether there is a link between personality and an aspect of physical ecology: flat terrain versus mountainous terrain. The study found that only one of the Big Five personality traits predicted terrain preference -- extraversion.
The better to see you with: Prosthetic leg would keep an eye on path ahead February 27, 2015
A mechanical engineer and his team have developed a computer-controlled camera that enables their robotic ankle to see where it is going.
New compounds protect nervous system from the structural damage characteristic of multiple sclerosis February 27, 2015
A newly characterized group of pharmacological compounds block both the inflammation and nerve cell damage seen in mouse models of multiple sclerosis, according to a study. Multiple sclerosis is a disease of the brain and spinal cord, where for unknown reasons, the body's immune system begins an inflammatory attack against myelin, the protective nerve coating […]
Intimate partners with low self-esteem stay in unhappy relationships February 27, 2015
People with low self-esteem are more likely stay in unhappy relationships, suggests new research. Sufferers of low self-esteem tend not to voice relationship complaints with their partner because they fear rejection.