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HowTos

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HowTos
  • Calibre 3.6 E-Book Manager For Linux | Improved Copying and Moving from Libraries

    Calibre is Free and Open-Source advanced E-Book Manager for Linux, MAC OS X, and Microsoft WIndows. Everything you could think of when you consider E-Book manager, you can find it in Calibre. It supports importing/exporting e-books to E-Readers with a wired or wireless connections, converting e-books, supporting many file formats, download e-books from online stores, managing multiple libraries, edit e-books with an advanced editor, and more features.

  • The Man Command in GNU/Linux

    GNU/Linux is powerful. GNU/Linux is mighty. GNU/Linux can be confusing…

    One of the things that terrifies most people about GNU/Linux is the command line. Granted, most users can get away with never touching a terminal window nowadays on most modern distributions, but when a lot of people think of GNU/Linux they instantly picture a command line interface of scrolling text and gibberish code.

    Thankfully, learning to actually use the command line is not quite as daunting as one might assume, especially with the help of something known as the Man Pages.

  • USB Device Stacks, on RTFM, part 2
  • Enabling TRIM/DISCARD on Debian, ext4, luks, and lvm
  • Keeping Git Branches in Sync
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Canonical released today new kernel updates for all of its supported Ubuntu Linux releases, patching recently discovered security vulnerabilities, including the infamous BlueBorne that exposes billions of Bluetooth devices. The BlueBorne vulnerability (CVE-2017-1000251) appears to affect all supported Ubuntu versions, including Ubuntu 17.04 (Zesty Zapus), Ubuntu 16.04 LTS (Xenial Xerus) up to 16.04.3, Ubuntu 14.04 LTS (Trusty Tahr) up to 14.04.5, and Ubuntu 12.04 LTS (Precise Pangolin) up to 12.04.5. Read more

Security: Updates, 2017 Linux Security Summit, Software Updates for Embedded Linux and More

  • Security updates for Tuesday
  • The 2017 Linux Security Summit
    The past Thursday and Friday was the 2017 Linux Security Summit, and once again I think it was a great success. A round of thanks to James Morris for leading the effort, the program committee for selecting a solid set of talks (we saw a big increase in submissions this year), the presenters, the attendees, the Linux Foundation, and our sponsor - thank you all! Unfortunately we don't have recordings of the talks, but I've included my notes on each of the presentations below. I've also included links to the slides, but not all of the slides were available at the time of writing; check the LSS 2017 slide archive for updates.
  • Key Considerations for Software Updates for Embedded Linux and IoT
    The Mirai botnet attack that enslaved poorly secured connected embedded devices is yet another tangible example of the importance of security before bringing your embedded devices online. A new strain of Mirai has caused network outages to about a million Deutsche Telekom customers due to poorly secured routers. Many of these embedded devices run a variant of embedded Linux; typically, the distribution size is around 16MB today. Unfortunately, the Linux kernel, although very widely used, is far from immune to critical security vulnerabilities as well. In fact, in a presentation at Linux Security Summit 2016, Kees Cook highlighted two examples of critical security vulnerabilities in the Linux kernel: one being present in kernel versions from 2.6.1 all the way to 3.15, the other from 3.4 to 3.14. He also showed that a myriad of high severity vulnerabilities are continuously being found and addressed—more than 30 in his data set.
  • APNIC-sponsored proposal could vastly improve DNS resilience against DDoS