Tags: linux*

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  1. Tweak LibreOffice to make it faster:

    If you are a frequent user of office product, then you may want to tweak the default LibreOffice a bit to make it faster. You will be tweaking memory option here. Open LibreOffice and go to Tools->Options. In there, choose Memory from the left sidebar and enable Systray Quickstarter along with increasing memory allocation.
    Tags: , , by M. Fioretti (2018-04-06)
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  2. -
    Tags: , by M. Fioretti (2017-12-27)
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  3. We've won on so many fronts, but we've also lost our way. It would have been unthinkable and scandalous even a decade ago for a presenter at a Linux conference to use Powerpoint on Windows, but you only have to count the Macbooks at a modern Linux conferences (even among the presenters!) to see how many in the community have lost the very passion for and principles around Open Source software that drove Linux's success. A vendor who dared to ship their Linux applications as binaries without source code used to get the wrath of the community but these days everyone's pockets are full of proprietary apps that we justify because they sit on top of a bit of Open Source software at the bottom of the stack. We used to rail against proprietary protocols and push for open standards but today while Linux dominates the cloud, everyone interacts with it through layers of closed and proprietary APIs.

    Linux has become the vegetable we batter in proprietary software and deep fry--sure more people will eat it that way but it's not nearly as good for you. Over time we've all started eating our vegetables that way and it's made our community unhealthy. In our healthier days we fought and won against proprietary software giants like Microsoft, Sun, and Oracle, but in the meantime our appetites have changed and other giants have taken their place.

    With Linux Journal shutting down we've lost an advocate for Linux, Open Source and open standards that we need now more than ever. We've also lost a rallying point for those of us in the community that still believe in all of the principles that brought us to Linux to begin with. We may have won a few battles, but the fight ahead of us is more insidious and subtler. Are there enough of us left who remember what we were fighting for? Are enough of us still in fighting shape?

    After a decade of hacking and slashing, I have to accept that this era is over. Instead of losing heart, for me this marks the start of a new era, and a chance to refocus on the things I've always valued about this community. I hope you don't lose heart either, we have a lot of work ahead of us.

    Eat your vegetables,
    Kyle Rankin
    Voting 0
  4. There are a number of video editors available for Linux. You can use them for professional video editing. Some of those tools are also used for editing Hollywood movies.

    But as a regular desktop Linux user, you might not need a feature-rich video editor. Because the more features an editor has, the more complex it becomes.

    When all you gotta do is a few cuts here and there and trimming out the shaky parts of that birthday video, a full-fledged video editor might be an overkill. This is where LosslessCut comes to save your day or night, whichever it is.
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  5. The department also reported difficulties in getting aspects of the proprietary systems still used by the council—the likes of Oracle and SAP—to work with LiMux, citing incompatibilities with the council's SAP security system, and errors in how PDFs were displayed by the open-source viewing software.

    However, the council continued to work to resolve compatibility issues, and earlier this year the city's IT chief said there was 'no compelling technical reason to return to Windows', pointing out the authority had "solved compatibility and interoperability problems" related to running software on LiMux.

    A Munich source familiar with IT at the council said the technical problems with LiMux had been massively overstated by critics—saying there were well-established solutions for running incompatible applications.

    "From our point of view, this talk is more or less nonsense. We are aware there are special applications made for Windows, but we can integrate them using WINE or the applications should run in a terminal server," they said.

    That said, Munich has always kept a minority of Windows machines to run line-of-business software incompatible with LiMux, and where using virtualization isn't an option. In 2016 there were about 20,000 Linux-based PCs used by staff alongside about 4,163 Windows-based PCs. The numbers of both Windows and LiMux machines has risen since, with some LiMux critics claiming the proportion of Windows machines is now as high as 40%. Continuing to run two desktop OS systems side-by-side is unsustainable in the long run, the council now claims, despite the Windows and LiMux coexisting for many years at Munich.

    However, another Munich city insider, also with knowledge of IT at the council, says the actual figure is far lower, standing at about 20%.
    Tags: , , , by M. Fioretti (2017-11-25)
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  6. Fluxbox is a very lightweight window manager, we may make use of some additional tools to make a friendlier environment. These are just some recommendations:
    Tags: , by M. Fioretti (2017-11-16)
    Voting 0
  7. How do I run commands in parallel in a bash shell script running under Linux or Unix-like operating system? How can I run multiple programs in parallel from a bash script?
    Tags: , , , by M. Fioretti (2017-05-09)
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  8. First off, system age has no real bearing on NixOS. Because everything is done in a functional way with the Nix package manager, your entire system becomes “recreated” each time you decide to upgrade. By default, you cannot directly write to places like /usr/share or /usr/local. Essentially, anything outside of $HOME can only be manipulated via the Nix package manager. And Nix does an excellent job of keeping all system directories clean and stateless!

    Second, you don’t have to hand-tune system files like /etc/group. The NixOS configuration file is where you define system-wide things like users and groups, and after you set it once, it’s done for good.

    Third, you can either hard-code what packages get installed system-wide in your config file (/etc/nixos/configuration.nix), or you can define your own set of packages on top of the ones defined by the official NixOS Nix expression. I used to do the former, but now I do the latter; and all I do now to see what packages I have installed explicitly is invoke nix-env -q, and I get this:
    Tags: , , , by M. Fioretti (2017-02-24)
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  9. KDE is a nice desktop environment, Awesome WM is a nice windows manager. I show how Awesome WM can be used as a windows manager in KDE. This worked with KDE 4, KDE 5 does not seem to like the switch that much.
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  10. When writing down or carrying around passwords is not desirable, yet you still want one that's more difficult than you can remember, there are options. By using a little imagination, you can open up endless ways to surreptitiously store complex, perfect-style passwords out in the open or glean them from the Internet at will.

    This post is not intended to teach any one specific method (I only devised the one in the example below for training purposes to get people thinking outside their boxen), instead it aims to inspire different thinking regarding where to get reproducible data that can be leveraged for use in passwords. The way I see it, if we can't replace the feeble password altogether then we should at least teach it a few new tricks. The trick here lies in remembering a routine instead of an actual password, enabling you to pseudo-remember impossibly difficult strings like a savant.

    For the example below, we'll use an image from Wikimedia Commons. You can save the image locally for when you need it or just go back to the web and get it each time - the Wikimedia images seem to sit in place forever, so we'll use it knowing we can easily find the exact same file again. You can use your own file in place of my example, it just has to be fixed and unchanging.

    The file we'll grab is called "IBM Personal Computer XT front.jpg" which sits at this page. Save the jpg using the Original file link, then drop to a terminal in the directory where you saved it and enter:

    sha256sum IBM_Personal_Computer_XT_front.jpg | rev

    This command outputs the sha256 hash of the downloaded jpg in reverse, further obfuscating it. Your terminal should be displaying the following:

    gpj.tnorf_TX_retupmoC_lanosreP_MBI f00059a089c6bb2f58620dfbf3104b29279947ead17f0650f3216013c0d05970

    This gives us a high entropy, reproducible, 64 character hexadecimal string that can be called up at will anywhere there's Internet
    Tags: , , by M. Fioretti (2017-01-16)
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