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Ubuntu Flavors 15.04 Vivid Vervet Alpha 2 Released

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Ubuntu flavors 15.04 alpha 2 has been released for testing. Ubuntu Unity does not take part in the alpha releases. Flavors like Kylin, Ubuntu Gnome, Lubuntu and Kubuntu alpha 2 relases are available.




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Security, Fear, Uncertainty, Doubt

SUSE/OpenSUSE: Tumbleweed, YaST and Corporate Stuff

  • Skopeo, xxHash, GCC 10.2 are Among Updates in Tumbleweed

    openSUSE Tumbleweed had continuous daily snapshots with a handful of software package updates this week. Many minor-version updates and one major-version update became available to Tumbleweed users and the newest snapshot, 20200804, updated the iso-codes package, which lists country, language and currency names; the new 4.5.0 version updated translations and the subdivision names for Belarus. The Greybird Geeko theme was updated to improve contrast of gtk2 selection background color. The desktop calculator qalculate was updated to version 3.12.0 and improved exact simplification of roots. The fast hash algorithm xxhash 0.8.0 stablized the XXH3. Both libyui-ncurses and ncurses had minor updates. The snapshot is trending stable with a rating of 97, according to the Tumbleweed snapshot reviewer.

  • Digest of YaST Development Sprint 105

    Although a significant part of the YaST Team is enjoying their well deserved summer vacations, the development wheel keeps turning. During the latest two weeks we have fixed quite some bugs in several parts of (Auto)YaST. But listing fixed bugs it’s quite boring, so let’s focus on more interesting stuff we have also achieved.

  • Open Source for the Edge at IoT World

    As technologies converge to drive new innovation at the edge, organizations are working together more than ever to pave the road forward by combining the likes of 5G, AI/ML, Embedded Systems, High Performance Computing, Kubernetes, private/public environments and more. Companies are bringing specific domain expertise to the table, and SUSE is uniquely positioned with 28 years of Linux and open source expertise to serve as the foundation for developing, distributing and managing edge systems and the critical workloads they will support.

  • SUSE Partner Summit – Coming to a digital platform in mid-September!

Linux 5.9: Seccomp Notifier, RISC-V and DebugFS

  • The Seccomp Notifier - Cranking up the crazy with bpf()

    The 2. feature just landed in the merge window for v5.9. So what better time than now to boot a v5.9 pre-rc1 kernel and play with the new features. I said that these features make it possible to intercept syscalls that return file descriptors or that pass file descriptors to the kernel. Syscalls that come to mind are open(), connect(), dup2(), but also bpf(). People that read the first blogpost might not have realized how crazy^serious one can get with these two new features so I thought it be a good exercise to illustrate it. And what better victim than bpf(). As we know, bpf() and unprivileged containers don't get along too well. But that doesn't need to be the case. For the demo you're about to see I enabled LXD to supervise the bpf() syscalls for tasks running in unprivileged containers. We will intercept the bpf() syscalls for the BPF_PROG_LOAD command for BPF_PROG_TYPE_CGROUP_DEVICE program types and the BPF_PROG_ATTACH, and BPF_PROG_DETACH commands for the BPF_CGROUP_DEVICE attach type. This allows a nested unprivileged container to load its own device profile in the cgroup2 hierarchy.

  • RISC-V Software Support Adds More Features With Linux 5.9

    More kernel architecture features continue to be supported by the RISC-V code with Linux 5.9. Each kernel cycle we have been seeing more RISC-V code get squared away and over the past year has begun running nicely on the likes of SiFive's HiFive Unleashed.

  • Linux 5.9 Exposes Device Link Details Via Sysfs, Allows Hiding DebugFS From User-Space

    There are a few driver core changes for the Linux 5.9 kernel worth mentioning. Exciting changes to the core driver infrastructure for the mainline Linux kernel are rare though this time around are a few alterations worth pointing out: - The recently covered work by Sony on being able to allow restricting user-space access to DebugFS while keeping the debug feature enabled is in Linux 5.9. While most distributions / Linux configurations already restrict DebugFS access to root / admin privileges, as this file-system often exposes sensitive system information, the change by Sony allows for it to be initialized but not accessible from user-space. Sony's focus on this effort appears to be in line of further securing their Android smartphones.