Author Archive: M. Marschall

How to modify a timestamp of a file

A file can have two timestamp attributes: accessed and modified. You can set them individually, or both to the same time. If the  accessed and modified time should be the same: $ touch -a -m -t 201512180130.09 fileName.ext Where: -a = accessed -m = modified -t = timestamp – use [[CC]YY]MMDDhhmm[.ss] time format If you …

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HOWTO batch resize pictures

Resize and apply prefix: $ for file in *.jpg; do convert $file -resize 25% re_$file; done Add suffix _re, place the files in parent folder $ convert *.jpg -resize 80% -set filename:f ‘%t’ ../’%[filename:f]_re.jpg’ Will place converted files in the folder above. The option -set filename:f ‘%t’ sets the property filename:f to the current filename …

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[Guide] CyanogenMod 13 on Xiaomi Mi 4 (cancro)

This guide helps you upgrade your Xiaomi Mi 4 (and Mi 3, which are both codenamed by CyanogenMod as “cancro”) from the stock ROM or CyanogenMod 12 (based on Android “Lollipop” 5.0.x) to CyanogenMod 13 (based on Android “Marshmallow” 6.0.x) without data loss. A and B are preparatory measures,  before the actual installation process can …

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Create a poster with pdfposter

Creating a poster of a large format pdf input file split into smaller output files with overlap.

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transmission-gtk | Failed to register: Timeout was reached

Transmission BitTorrent client fails to start When Transmission crashes (e.g. forced quit after a “not responding”), it may refuse to start with the following error message: $ transmission-gtk Failed to register: Timeout was reached The solution is to delete the settings file: $ rm ~/.config/transmission/settings.json If this doesn’t resolve the problem, remove transmission’s whole config …

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Android 4.4 Phone Contacts (without Google account)

As of Android Kitkat 4.4.4, the People app will only let you create contacts which are synchronized with a google account by default. It doesn’t let you create a local “Phone contact”, unless you disable “Google Contacts Sync”. This may be desired if you want to use Android without Google services. You can then choose …

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5 Steps: ThinkPad fingerprint reader on Archlinux

1. Determine what kind of fingerprint reader you have ~$ lsusb On my T400, I read: AuthenTec, Inc. AES2810 2. Determine suitable software Go to Thinkwiki. You’ll find a list which software (thinkfinger, fprintd) works with your hardware. The AES2810 in my T400 is said to be unsupported. 3. Try Thinkfinger I still try it. …

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Firefox location bar search engine: scroogle & startpage

What a wonderful world it was when scroogle.org was running smoothly! It has become annoying recently, however, because Google seems to be blocking Scroogle by declaring it a bot. So I was looking for alternative engines for my default address bar search, which feature the same google-based powerful results. Startpage Startpage has even more features …

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Pacman is currently in use, please wait.

When an update gets interrupted in some way, that is, pacman/yaourt cannot finish its job, pacman may be locked for further use. You can unlock pacman by removing And pacman/yaourt will be working again!

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HowTo install the Brother DCP-7065DN in a Linux network environment & Troubleshooting

Guide to install a Brother DCP-7065DN Printer and Scanner in a Linux network environment.
Troubleshooting: “receiving data”, but not printing. printer not discovered.

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