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  • Building Photivo under Debian Linux

    calendar Jan 30, 2015 · 2 min read · Computer Software Shell Script GUI  ·
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    Building Photivo under Debian Linux

    Photivo is a free and open source (GPL3) photo processor. It handles your RAW files as well as your bitmap files (TIFF, JPEG, BMP, PNG and many more) in a non-destructive 16 bit processing pipe with gimp workflow integration and batch mode. Linux build instructions The instructions to build Photivo under Linux can be …


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  • Installing Debian with hard disk encryption and Windows dual boot

    calendar Jan 22, 2015 · 10 min read · Computer Software  ·
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    Installing Debian with hard disk encryption and Windows dual boot

    The goal of the instructions in this article is to install Debian on a hard disk that already has a functioning Windows 7 installation (with a master boot record – MBR). Here Debian Sid (a.k.a. Debian Unstable) –which is a rolling release distribution– is taken as an example but a regular Debian stable version can also …


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  • Specific compiler switches per package in Gentoo

    calendar Jan 3, 2015 · 1 min read · Computer Software Linux Gentoo  ·
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    Specific compiler switches per package in Gentoo

    To configure specific compiler switches per package in Gentoo use these instructions. Modifying environmental variables per package The package.env file can be used to modify environmental variables per package. See /etc/portage/env in the Gentoo Wiki for details. Conflicting compiler switches In make.conf one …


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  • (Gentoo) Linux low-level backup

    calendar Dec 30, 2014 · 4 min read · Computer Software Linux Gentoo Shell Script  ·
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    (Gentoo) Linux low-level backup

    If a low-level backup is required then use these instructions. Rolling release If your Linux distribution has a rolling release model (e.g. Gentoo Linux) then you'll probably have to install it only once. With a non-rolling release distribution you'll have to do a system upgrade every now and then. Either way, the OS …


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  • KDE environment variables

    calendar Dec 19, 2014 · 1 min read · Computer Software Linux KDE GUI Shell Script  ·
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    KDE environment variables

    The KDE desktop environment supports environment variables. These are active when logged in to KDE. Contrary to regular bash environment variables, which are active only when a bash shell is started. To set KDE environment variables create a file in the .kde4/env or .kde/env directory, e.g. as follows: 1export …


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  • Combine several PDF-files into one

    calendar Dec 16, 2014 · 1 min read · Computer Software Linux PDF  ·
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    Combine several PDF-files into one

    Ever wanted to combine several PDF-files into a single file? Under Linux a simple command can be used to accomplish this. Use the command given below: 1gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress -sOutputFile=output.pdf input1.pdf input2.pdf (Note: this requires ghostscript to be installed.)


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  • Make non-bootable ISO image for USB bootable

    calendar Dec 16, 2014 · 1 min read · Computer Software Linux Shell Script  ·
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    Make non-bootable ISO image for USB bootable

    Under Linux, you can use the isohybrid command to attempt to fix an ISO intended for a USB-stick, but that does not boot (because e.g. it expects a real DVD). Warning and disclaimer: do make sure that you make a copy of your image file first and execute the isohybrid command on the copy. The command to use is as …


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  • Serializing any-size objects to a random access file

    calendar Jun 29, 2011 · 5 min read · Computer Software Java IO  ·
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    Serializing any-size objects to a random access file

    This article will delve into the details involved in serializing and deserializing arbitrarily sized objects to- and from a byte array. The contents of the byte array are stored in a random access file. An index file is kept to allow for objects of varying size. Serializable objects Any object that is an instance of a …


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Mari Donkers

Software developer, functional programming, photography.
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