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About Tux Machines

Friday, 24 Feb 17 - Tux Machines is a community-driven public service/news site which has been around for over a decade and primarily focuses on GNU/LinuxSubscribe now Syndicate content

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Quick Roundup

Linux gains ground in enterprise

Filed under
Linux

computerworld.com.au: Linux has already permanently changed the enterprise desktop landscape, and is set to grow further, according to a new report from Forrester Research.

mozilla / firefox stuff

Filed under
Moz/FF
  • Mozilla to fix 9-month-old Firefox bug as concerns grow

  • Firefox hack can expose your Google account
  • Firefox/Iceweasel Tip: Use Safe Mode To Fix Broken Extensions and Themes
  • Firefox needs more focus on its core development tasks

Perform GnuPG Functions Within Vim

Filed under
HowTos

savvyadmin.com: Performing GnuPG functions from Vim is actually pretty helpful if you work heavily with both applications on a regular basis. I was recently looking for a simple way to both word wrap and clearsign various text files within Vim, and found just what I was looking for.

ubuntu stuff

Filed under
Ubuntu
  • How To Disable ipv6 on Ubuntu 7.10 “Gutsy Gibbon”

  • Weird GNOME Power Manager error message
  • Top 5 Ways To Prevent A Damaged Ubuntu Installation
  • Create an encrypted disk with Ubuntu
  • Large File Support in Samba [Ubuntu Gutsy]
  • Ubuntu Hardy Theme Mockup

more howtos:

Filed under
HowTos
  • Getting a Gravis GamePad Pro to work on Linux

  • Hidden Linux : Finding Stuff Fast
  • Install Mplayer and Multimedia Codecs (libdvdcss2,w32codecs) in Ubuntu 7.10

Multiple Stable 2.6.23 Releases

Filed under
Linux

kernelTRAP: "Ok, I've been slacking on the -stable front for a bit here, and didn't realize how far behind I've gotten. Everyone has been sending patches in, which is great, but now we are facing a HUGE 114 patch release," began Greg Kroah-Hartman.

some shorts & howtos:

Filed under
Linux
  • Nouveau Very Close To Release?

  • User Friendly turns ten
  • Unpacking the Ubuntu Linux CD’s
  • Linux Mint is.....Mint!
  • Getting rid of duplicate messages in Evolution
  • Install VMware Server 2.0 Beta on Ubuntu 7.10 “Gutsy”

Recruiting software talent the Red Hat way

Filed under
Interviews

computerworld.co.nz: I have to say that of all the areas and different groups that we recruit for, I think our engineering organisation is probably the easiest sell for Red Hat. It is a place where, because of our reputation as producing the highest probably open source software, we find the most candidates that are excited about joining Red Hat.

Paldo GNU/Linux 1.2: Yet Another Generic Distro

Filed under
Linux

the distrogue: Paldo is a completely independent distribution, compiled using Linux From Scratch and with its own package management system, upkg, to manage programs. It works similarly to Gentoo's Portage, with one exception- it can also install binary packages. This makes installation much faster.

Also: Fedora 8: What did they DO?!

Shuttle (Europe) introduces SFF systems with Linux

Filed under
Hardware

Its feels like every few months, more and more hardware companies are selling Linux based systems.

Installation Guide: Fedora 8 Desktop (a.k.a. The Perfect Desktop)

Filed under
HowTos

This document describes how to set up a Fedora desktop - including how to enable special mouse buttons, improve laptop support (depending on your model), set up printers (especially HP) and the usage of Compiz Fusion.

AMOR: a desktop companion

Filed under
Software

DPotD: AMOR is a nice toy which is absolutely senseless. It displays a tiny figure on your desktop, running on top of your windows or falling down to the bottom. It is a KDE application, but it should be no problem to use it in Gnome (as I do).

Simpler PCs for kids find niche

Filed under
Hardware

cincypost.com: Unlike other personal computers that come loaded up with bells and whistles, the Eee PC is streamlined, with just a fraction of the storage and capacity that traditional computers need. It runs a Linux-based operating system that features large icons meant to focus kids on activities such as Internet browsing and word processing.

Making K3b rip DVDs on Ubuntu 7.10

Filed under
HowTos

blogbeebe.blogspot: I've complained repeatedly that K3b supplied via Ubuntu 7.10's repositories can't rip DVDs on Ubuntu 7.10. After repeated attempts to find a solution on forums and via Google, I solved my problem the old fashioned way; I downloaded the source to K3b 1.0.4 and built it myself.

Using Evolution with Gmail

Filed under
HowTos

ubuntu1501.com: Evolution is the official personal information manager and workgroup information management tool for GNOME. It combines e-mail, calendar, address book, and task list management functions. If you find you need help setting up Evolution with your Gmail account, this guide will get you setup in less than five minutes.

setting yourself up with the right operating system

Filed under
Linux

telegraph: Buying a computer is really very easy, and most people take the easy way out by buying a desktop or laptop computer running the Microsoft Windows XP or Vista operating system. Now there is also a new kid in town called Linux, and it's now starting to attract the attention of disenchanted Windows users.

Great Firefox Extension - It's All Text!

Filed under
Moz/FF

blog.unixlore.net: I just came across a great Firefox extension called "It's All Text!". Any HTML textarea you see while browsing gets a little edit button on the bottom right corner - clicking it launches your favorite editor.

How to compile program under Linux / UNIX / FreeBSD

Filed under
HowTos

nixcraft: Many new users find it difficult to compiling programs in Linux. Usually following steps are involved:

Linux Programs I Use / Linux Programs I Avoid

Filed under
Software

Nathan Rich: Many people new to linux have a hard time figuring out what programs to use to do what. Here is a list I have compiled to help you out. This is just a list of programs which I have encountered and found to be great.

Unveiling the winners of the Oxygen contest for wallpapers

Filed under
KDE

blog.ruphy.org: The jury, composed of David Vignoni, Nuno Pinheiro, Kenneth Wimer and myself, had a hard time digging through that stack of contributions due to the sheer size and finally pick the ones which will to be shipped as KDE 4.0 wallpapers.

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More in Tux Machines

Leftovers: BSD

Security Leftovers

  • Stop using SHA1 encryption: It’s now completely unsafe, Google proves
    Security researchers have achieved the first real-world collision attack against the SHA-1 hash function, producing two different PDF files with the same SHA-1 signature. This shows that the algorithm's use for security-sensitive functions should be discontinued as soon as possible. SHA-1 (Secure Hash Algorithm 1) dates back to 1995 and has been known to be vulnerable to theoretical attacks since 2005. The U.S. National Institute of Standards and Technology has banned the use of SHA-1 by U.S. federal agencies since 2010, and digital certificate authorities have not been allowed to issue SHA-1-signed certificates since Jan. 1, 2016, although some exemptions have been made. However, despite these efforts to phase out the use of SHA-1 in some areas, the algorithm is still fairly widely used to validate credit card transactions, electronic documents, email PGP/GPG signatures, open-source software repositories, backups and software updates.
  • on pgp
    First and foremost I have to pay respect to PGP, it was an important weapon in the first cryptowar. It has helped many whistleblowers and dissidents. It is software with quite interesting history, if all the cryptograms could tell... PGP is also deeply misunderstood, it is a highly successful political tool. It was essential in getting crypto out to the people. In my view PGP is not dead, it's just old and misunderstood and needs to be retired in honor. However the world has changed from the internet happy times of the '90s, from a passive adversary to many active ones - with cheap commercially available malware as turn-key-solutions, intrusive apps, malware, NSLs, gag orders, etc.
  • Cloudflare’s Cloudbleed is the worst privacy leak in recent Internet history
    Cloudflare revealed today that, for months, all of its protected websites were potentially leaking private information across the Internet. Specifically, Cloudflare’s reverse proxies were dumping uninitialized memory; that is to say, bleeding private data. The issue, termed Cloudbleed by some (but not its discoverer Tavis Ormandy of Google Project Zero), is the greatest privacy leak of 2017 and the year has just started. For months, since 2016-09-22 by their own admission, CloudFlare has been leaking private information through Cloudbleed. Basically, random data from random sites (again, it’s worth mentioning that every site that used CloudFlare in the last half year should be considered to having fallen victim to this) would be randomly distributed across the open Internet, and then indefinitely cached along the way.
  • Serious Cloudflare bug exposed a potpourri of secret customer data
    Cloudflare, a service that helps optimize the security and performance of more than 5.5 million websites, warned customers today that a recently fixed software bug exposed a range of sensitive information that could have included passwords and cookies and tokens used to authenticate users. A combination of factors made the bug particularly severe. First, the leakage may have been active since September 22, nearly five months before it was discovered, although the greatest period of impact was from February 13 and February 18. Second, some of the highly sensitive data that was leaked was cached by Google and other search engines. The result was that for the entire time the bug was active, hackers had the ability to access the data in real-time by making Web requests to affected websites and to access some of the leaked data later by crafting queries on search engines. "The bug was serious because the leaked memory could contain private information and because it had been cached by search engines," Cloudflare CTO John Graham-Cumming wrote in a blog post published Thursday. "We are disclosing this problem now as we are satisfied that search engine caches have now been cleared of sensitive information. We have also not discovered any evidence of malicious exploits of the bug or other reports of its existence."

Security Leftovers

  • Change all the passwords (again)
    Looks like it is time to change all the passwords again. There’s a tiny little flaw in a CDN used … everywhere, it seems.
  • Today's leading causes of DDoS attacks [Ed: The so-called 'Internet of things' (crappy devices with identical passwords) is a mess; programmers to blame, not Linux]
    Of the most recent mega 100Gbps attacks in the last quarter, most of them were directly attributed to the Mirai botnet. The Mirai botnet works by exploiting the weak security on many Internet of Things (IoT) devices. The program finds its victims by constantly scanning the internet for IoT devices, which use factory default or hard-coded usernames and passwords.
  • How to Set Up An SSL Certificate on Your Website [via "Steps To Secure Your Website With An SSL Certificate"]
  • SHA-1 is dead, long live SHA-1!
    Unless you’ve been living under a rock, you heard that some researchers managed to create a SHA-1 collision. The short story as to why this matters is the whole purpose of a hashing algorithm is to make it impossible to generate collisions on purpose. Unfortunately though impossible things are usually also impossible so in reality we just make sure it’s really really hard to generate a collision. Thanks to Moore’s Law, hard things don’t stay hard forever. This is why MD5 had to go live on a farm out in the country, and we’re not allowed to see it anymore … because it’s having too much fun. SHA-1 will get to join it soon.
  • SHA1 collision via ASCII art
    Happy SHA1 collision day everybody! If you extract the differences between the good.pdf and bad.pdf attached to the paper, you'll find it all comes down to a small ~128 byte chunk of random-looking binary data that varies between the files.
  • PayThink Knowledge is power in fighting new Android attack bot
    Android users and apps have become a major part of payments and financial services, carrying an increased risk for web crime. It is estimated that there are 107.7 million Android Smartphone users in the U.S. who have downloaded more than 65 million apps from the Google App Store, and each one of them represents a smorgasbord of opportunity for hackers to steal user credentials and other information.
  • Red Hat: 'use after free' vulnerability found in Linux kernel's DCCP protocol IPV6 implementation
    Red Hat Product Security has published details of an "important" security vulnerability in the Linux kernel. The IPv6 implementation of the DCCP protocol means that it is possible for a local, unprivileged user to alter kernel memory and escalate their privileges. Known as the "use-after-free" flaw, CVE-2017-6074 affects a number of Red Hat products including Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 and Red Hat Openshift Online v2. Mitigating factors include the requirement for a potential attacker to have access to a local account on a machine, and for IPV6 to be enabled, but it is still something that will be of concern to Linux users. Describing the vulnerability, Red Hat says: "This flaw allows an attacker with an account on the local system to potentially elevate privileges. This class of flaw is commonly referred to as UAF (Use After Free.) Flaws of this nature are generally exploited by exercising a code path that accesses memory via a pointer that no longer references an in use allocation due to an earlier free() operation. In this specific issue, the flaw exists in the DCCP networking code and can be reached by a malicious actor with sufficient access to initiate a DCCP network connection on any local interface. Successful exploitation may result in crashing of the host kernel, potential execution of code in the context of the host kernel or other escalation of privilege by modifying kernel memory structures."

Android Leftovers