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Free Sofwtare Leftovers

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  • pgAdmin 4 v6.9 Released

    The pgAdmin Development Team is pleased to announce pgAdmin 4 version 6.9. This release of pgAdmin 4 includes 29 bug fixes and new features. For more details please see the release notes.

  • SOS: Sustainable Open Source [Ed: It's not a Free software problem; Proprietary software has the exact same peril but it's worse because orphaned work cannot be maintained or fixed, not even audited]

    Free and Open Source Software is eating the world, but is at the same time a victim of its own success. Large enterprises rely on libraries maintained by a single individual, or maybe worse yet: a single vendor.

    Individuals or organizations may restrict the use of their technology or EOL versions of their software, posing real challenges to organizations and customers depending on that technology. How can we contribute to the viability and sustainability of open source?

  • Red Hat CEO: Remote Working is 'Just Another Day' to the Open Source World

    Red Hat's CEO/president Paul Cormier assessed the last two years in a speech at this week's Red Hat Summit. "Globally we saw nearly every industry go to 100% remote working overnight."

More in Tux Machines

Security Leftovers

How to Apply Accent Colour in Ubuntu Desktop

A step-by-step tutorial on how to apply accent colour in Ubuntu desktop (GNOME) with tips for Kubuntu and others. Read more

The Wine development release 7.15 is now available.

The Wine development release 7.15 is now available.

What's new in this release:
  - Command lists in Direct2D.
  - RSA encryption.
  - Initial Wow64 thunking in WIN32U.
  - Optional support for colors in test output.
  - Various bug fixes.

The source is available at:

  https://dl.winehq.org/wine/source/7.x/wine-7.15.tar.xz

Binary packages for various distributions will be available from:

  https://www.winehq.org/download

You will find documentation on https://www.winehq.org/documentation

You can also get the current source directly from the git
repository. Check https://www.winehq.org/git for details.

Wine is available thanks to the work of many people. See the file
AUTHORS in the distribution for the complete list.
Read on

What Is Virtual Memory on Linux? How to Manage It

Virtual memory is a way of representing your memory that's abstracted from the physical memory on your machine. It makes use of both your RAM and your storage space, whether that's on a traditional hard drive or an SSD. In Linux, this is done at the kernel and hardware levels. The CPU has a piece of hardware called a Memory Management Unit (MMU) that translates physical memory addresses into virtual ones. These addresses are independent of where they physically reside on the machine. These address spaces are known as "pages" and they could be in RAM or on your hard drive or SSD. The OS sees these addresses as one big pool of memory, known as an "address space." Virtual memory takes advantage of the fact that not all of the memory that's being used in theory is being used all of the time. Programs in memory are broken down into pages and the parts that the kernel deems as unnecessary are "swapped out," or moved to the hard drive. When they're needed, they can be "swapped in," or brought back into RAM. The space used for virtual memory on a drive is known as "backing store," or "swap space." In the Windows world, it's usually implemented as a file, known as a "swap file." It's also possible to do this in Linux, but it's much more common to use a dedicated disk partition. Read on Also: nbdkit for macOS | Richard WM Jones