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More in Tux Machines

Best Free Android Apps: Termux – terminal emulator and Linux environment

There’s a strict eligibility criteria for inclusion in this series. See the Eligibility Criteria section below. Termux offers both a capable terminal emulator and an extremely useful Linux environment (single user) on your Android device. The app provides full-blown versions of Bash, Coreutils and much more. A minimal base system is installed, but the real power comes from the tons of packages available with the APT package manager. Read more

Linux Kernel 5.12 RC2 Released Early, Fixing the Scary Swap File Bug

The second release candidate of Linux Kernel 5.12 is out early because of a nasty swap file bug. And do not use Linux Kernel 5.12 RC1 for testing, you may lose data. Read more

SystemRescue 8.00 Released with Linux 5.10 LTS, Xfce 4.16, and Improved exFAT Support

SystemRescue 8.00 comes about five months after SystemRescue 7.00, which was the first version to ship with the new name instead of SystemRescueCd. The biggest change in this new release is the inclusion of the long-term supported Linux 5.10 LTS kernel series for improved hardware support. On top of that, SystemRescue 8.00 upgrades the default Xfce desktop environment used for the live session to the latest Xfce 4.16 release, which ships with numerous new features and improvements. Read more

today's leftovers

  • Daffodil Promoted To Being An Apache Top-Level Project

    Following the recent promotions of DataSketches and ECharts, the Apache Software Foundation has promoted Daffodil as their newest top-level project. Apache Daffodil is an open-source universal interchange implementation of the Data Format Description Language (DFDL). The Data Format Description Language (DFDL) standard is a modeling language for text and binary data in a standardized manner. DFDL basically aims to make data more portable thanks to providing an open framework for describing any data format.

  • At Least 30,000 U.S. Organizations Newly Hacked Via Holes in Microsoft’s Email Software

    At least 30,000 organizations across the United States — including a significant number of small businesses, towns, cities and local governments — have over the past few days been hacked by an unusually aggressive Chinese cyber espionage unit that’s focused on stealing email from victim organizations, multiple sources tell KrebsOnSecurity. The espionage group is exploiting four newly-discovered flaws in Microsoft Exchange Server email software, and has seeded hundreds of thousands of victim organizations worldwide with tools that give the attackers total, remote control over affected systems.

  • Linux Developers Continue Discussing "SLS" Mitigation For The Kernel - Phoronix

    Disclosed by Arm last summer was the Straight Line Speculation (SLS) vulnerability and they were quick to introduce new safeguards against SLS in the GCC and LLVM compilers. The compiler-based mitigations to straight-line speculation involves adding speculation barrier sequences around the vulnerable instructions to prevent speculatively executing instructions around changes in control flow. While compiler developers were quick to add the options, so far the Linux kernel developers are in disagreement still over its importance and the proposed patches that would flip on this option when compiling the ARM Linux kernel. While compiler support is out there for hardening against straight-line speculation on ARM, seeing these options utilized by potentially affected software hasn't been so quick. In February there were Google engineers proposing a kernel option for enabling the ARM SLS mitigation. The kernel patch is for basically enabling the "-mharden-sls=" compiler option for inserting speculation barrier (SB) instructions or otherwise DSB+ISB instructions around the instructions vulnerable to SLS.