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How Bad Is Dirty COW?

  •; By Konstantin Ryabitsev (Posted by bob on Oct 24, 2016 4:50 PM EDT)
  • Story Type: News Story; Groups: Linux
“Dirty COW” is a serious Linux kernel vulnerability that was recently discovered to have been lurking in the code for more than nine years. It is pretty much guaranteed that if you’re using any version of Linux or Android released in the past decade, you’re vulnerable. But what is this vulnerability, exactly, and how does it work?

A look inside the 'blinky flashy' world of wearables and open hardware

  • (Posted by bob on Oct 24, 2016 3:53 PM EDT)
  • Groups: Red Hat; Story Type: News Story
While looking at the this year's All Things Open event schedule, a talk on wearables and open hardware caught my eye: The world of the blinky flashy. Naturally, I dug deeper to learn what it was all about. Though Gina Likins and Jen Krieger of Red Hat would like to leave a few surprises for the lucky folks who attend their talk, they told me they can promise at least the following: read more

The Perfect Server - Ubuntu 16.10 (Yakkety Yak) with Apache, PHP, MySQL, PureFTPD, BIND, Postfix, Dovecot and ISPConfig 3.1

This tutorial shows how to install an Ubuntu 16.10 (Yakkety Yak) server (with Apache2, BIND, Dovecot) for the installation of ISPConfig 3.1, and how to install ISPConfig. ISPConfig 3 is a web hosting control panel that allows you to configure the following services through a web browser: Apache or nginx web server, Postfix mail server, Courier or Dovecot IMAP/POP3 server, MySQL, BIND or MyDNS nameserver, PureFTPd, SpamAssassin, ClamAV, and many more. This setup covers the installation of Apache (instead of nginx), BIND (instead of MyDNS), and Dovecot (instead of Courier).

Hyperledger -- The Source of Truth

  • - Original Content (Posted by bob on Oct 24, 2016 1:58 PM EDT)
  • Groups: Linux; Story Type: News Story
Well, here we go again with yet another new technology with a name that doesn't tell us much about what it is: Hyperledger. Hyperledger is related to Bitcoin, Ethereum, and blockchains... but, what are these things? They sound like science fiction: I have plenty of Bitcoins, so let's go splurge on a nice evening at the Ethereum.

9 Reasons not to Install Nagios in your Company

Looking for replacing Nagios? Are you assessing Nagios for your it monitoring? Then, I strongly recommend you to read this article

Distributing encryption software may break the law

  • (Posted by bob on Oct 24, 2016 12:04 PM EDT)
  • Story Type: News Story
Developers, distributors, and users of Free and Open Source Software (FOSS) often face a host of legal issues which they need to keep in mind. Although areas of law such as copyright, trademark, and patents are frequently discussed, these are not the only legal concerns for FOSS. One area that often escapes notice is export controls. It may come as a surprise that sharing software that performs or uses cryptographic functions on a public website could be a violation of U.S. export control law. read more

Easy-to-exploit rooting flaw puts Linux computers at risk

The maintainers of Linux distributions are rushing to patch a privilege escalation vulnerability, tracked as CVE-2016-5195, that has existed in the Linux kernel for the past nine years and is already being exploited in the wild.

What is the GRUB2 boot loader?

  • Fedora Magazine (Posted by bob on Oct 24, 2016 10:10 AM EDT)
  • Groups: Fedora; Story Type: News Story
There are various things that make up an operating system. In any operating system, one of the most critical parts is powering on the machine. During this process, the computer will execute a small program in read-only memory (ROM) to... Continue Reading →

Qubes Linux Distribution - Security By Isolation

  •; By Mohd Sohail (Posted by MohdSohail on Oct 24, 2016 9:12 AM EDT)
  • Story Type: Reviews; Groups: Linux
Qubes is a Fedora Based Linux Operating System to provide better security by using virtualization. Qubes is developed by Poland developers that includes Joanna Rutkowska, Marek Marczykowski-Górecki and many others. The first Qubes version was released on 3 Sep, 2012. Currently, Qubes is on version 3.2. It is developed under GPL v2 license its default user interface is KDE and Xfce.

KSM as instack-virt-setup accelerator HA Overcloud Deployment (RDO Newton) with two Compute Nodes

Due to getting errors in /var/log/mistral/executor.log on regular basis attempting to deploy overcloud via TripleO QuickStart. I was just wondering how much can assist KSM&&KSMTUNED to achieve a goal to set up 5 VMs (6.7GB,1 VCPU)running in overcloud and "instack VM" undercloud with 4 VCPUs,8GB RAM and 4GB swap file on 32GB RAM total on VIRTHOST.

Linux Kernels 3.16.38, 3.12.66, 3.10.104, and 3.2.83 Patched Against "Dirty COW"

We reported the other day that an ancient bug, which existed in the Linux kernel since 2005, was patched in several recent updates, namely Linux kernel 4.8.3, Linux kernel 4.7.9, and Linux kernel 4.4.26 LTS.

Murphy's Law: The security version

Since the first of the month, I've heard colleagues and others report each of the 10 security variants to Murphy's Law listed below. Murphy is not only alive but has been reincarnated.

Linus Torvalds Announces the Second Release Candidate of Linux Kernel 4.9 LTS

It's still Sunday in the US, which means that it's time for you to take yet another RC (Release Candidate) milestone of the upcoming Linux 4.9 kernel release for a test drive.

Using Rowhammer bitflips to root Android phones is now a thing

Previously, some experts believed Rowhammer attacks that altered specific pieces of security-sensitive data weren't reliable enough to pose a viable threat because exploits depended on chance hardware faults or advanced memory-management features that could be easily adapted to repel the attacks. Now, an international team of academic researchers is challenging those assumptions by demonstrating a Rowhammer exploit that alters crucial bits of data in a way that completely roots name brand Android devices from LG, Motorola, Samsung, OnePlus, and possibly other manufacturers. An app containing the researchers' rooting exploit requires no user permissions and doesn't rely on any vulnerability in Android to work.

How to install NitroShare on Ubuntu Linux for cross-platform file sharing

NitroShare is a fantastic tool that allows you to easily share files across a local network. Created to be simple, fast, cross-platform, and open, NitroShare makes the sharing of files between systems and platforms incredibly easy...all without having to bother with Samba or Windows shares.

Why Security Distributions Use Debian

Debian may not talk a lot about security, but then fish rarely talk about water, either.

The basics of open source quality assurance

Open source depends on a sustainable community to develop code rapidly, debug code effectively, and build out new features. Because community involvement is voluntary, people's skills, levels of involvement, and time commitments can vary. Given the variable nature of these factors, along with the fact that open source often relies on a philosophy of "release early, release often," quality assurance can be become challenging. read more

Argo Project Developing OS Technology for Exascale

Argo, a Department of Energy project at Argonne aimed at developing the prototype for an open-source OS that will work on any type of high-performance machine made by any vendor and will allow users to mix and match modular OS components to suit their needs... They’re developing modifications to Linux that will let the OS manage power throughout a high-performance machine.

Top 5 Linux System Rescue CDs

  •; By Mohd Sohail (Posted by MohdSohail on Oct 23, 2016 2:02 PM EDT)
  • Story Type: Reviews; Groups: Linux
You know those times when things go wrong on your computer, and it won’t boot, or you can't’ login into your system, or there’s a rootkit messing up your booting or you just want to recover files from a drive. Those are the times having a rescue disc will do you a great deal of good in helping you out. So let’s take a look at 5 very useful Linux based Rescue CDs you can check out.

curl - Command Line Download Manager Examples

curl is a tool to transfer data from a server or to server, using one of the supported protocols (DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET and TFTP).

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