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Leftovers: Kernel

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Linux
  • Stop whatever you're doing and pay attention: Linux kernel 4.5rc1 is here

    ANY MINUTE now we should see the first release candidate for Linux kernel 4.5, and there's a lot to look forward to.

    It seems like only a fortnight ago that we talked about the final release of Linux 4.4 (it was) but a lot has happened.

    Most notable is that the kernel is now ready for Kaby Lake, the next generation of Intel processors due later this year. This was expected to start in 4.4 but the method of the Linux release schedule meant it was dropped.

  • No SJWs allowed
  • An anonymous response to dangerous FOSS Codes of Conduct
  • Intel Is Still Maintaining A Proprietary OpenCL Driver For Linux
  • Understanding Intel's GEN Assembly For OpenCL Kernels
  • libinput and semi-mt touchpads

    libinput 1.1.5 has a change in how we deal with semi-mt touchpads, in particular: interpretation of touch points will cease and we will rely on the single touch position and the BTN_TOOL_* flags instead to detect multi-finger interaction. For most of you this will have little effect, even if you have a semi-mt touchpad. As a reminder: semi-mt touchpads are those that can detect the bounding box of two-finger interactions but cannot identify which finger is which. This provides some ambiguity, a pair of touch points at x1/y1 and x2/y2 could be a physical pair of touches at x1/y2 and x2/y1. More importantly, we found issues with semi-mt touchpads that go beyond the ambiguity and reduce the usability of the touchpoints.

  • PV vs PVHVM on next XenServer

    That's not really surprising: new hardware tends to include more and more instructions to assist virtualization. So in fact, the "cost" of virtualization (in terms of performances) is reduced.

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Development News

Security Leftovers

  • How To Improve The Linux System’s Security Using Firejail
    As you already know, Linux kernel is secure by default. But, it doesn’t mean that the softwares on the Linux system are completely secure. Say for example, there is a possibility that any add-ons on your web browser may cause some serious security issues. While doing financial transactions over internet, some key logger may be active in browser which you are not aware of. Even though, we can’t completely give the bullet-proof security to our Linux box, we still can add an extra pinch of security using an application called Firejail. It is a security utility which can sandbox any such application and let it to run in a controlled environment. To put this simply, Firejail is a SUID (Set owner User ID up on execution) program that reduces the risk of security breaches by restricting the running environment of untrusted applications.
  • “Httpd and Relayd Mastery” off to copyedit
  • Kalyna Block Cipher

Containers vs. Zones vs. Jails vs. VMs

  • Setting the Record Straight: containers vs. Zones vs. Jails vs. VMs
    I’m tired of having the same conversation over and over again with people so I figured I would put it into a blog post. Many people ask me if I have tried or what I think of Solaris Zones / BSD Jails. The answer is simply: I have tried them and I definitely like them. The conversation then heads towards them telling me how Zones and Jails are far superior to containers and that I should basically just give up with Linux containers and use VMs. Which to be honest is a bit forward to someone who has spent a large portion of her career working with containers and trying to make containers more secure. Here is what I tell them:
  • [Old] Hadoop Has Failed Us, Tech Experts Say

    The Hadoop community has so far failed to account for the poor performance and high complexity of Hadoop, Johnson says. “The Hadoop ecosystem is still basically in the hands of a small number of experts,” he says. “If you have that power and you’ve learned know how to use these tools and you’re programmer, then this thing is super powerful. But there aren’t a lot of those people. I’ve read all these things how we need another million data scientists in the world, which I think means our tools aren’t very good.”

Wine and Games

  • [Wine] Packaging changes
    Today we want to announce some important changes regarding the Wine Staging packages provided at repos.wine-staging.com and dl.winehq.org. We completely reworked our build system to make the packages available sooner after a release and also added some new features, like downloading old packages for Debian / Ubuntu. The complete list of changes can be found in the announcement email on the Wine mailing list.
  • Planescape: Torment Enhanced Edition Announced for PC, Mac, Linux, and Mobile
  • Podcast #6 with Ethan Lee, Porter on Fez, Transistor
    Have you ever played Fez on Linux ? Transistor ? Speed Runners ? Shenzen I/O ? Bastion ? or more recently, Owlboy ? Well if you have, you have benefited from the work of Flibitijibibo who is directly responsible for the port of such titles to your platform.