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Minecraft | the Raspberry Pi edition


Description: Minecraft is a game about placing blocks and going on adventures.
Buy it here, or explore the site for the latest news and the community's amazing creations!


This free Minecraft version is bundled with Raspbian, the Pi's main supported distribution. Minecraft has been pre-installed in Raspbian for some years now, so you may already have it. The binaries are compiled for the ARM chipset only. Is it not possible to install this version on machines with AMD and Intel processors inside.


root@raspberry:# apt install minecraft-pi


        The following extra packages will be installed:
            dh-python libmpdec2 libpython3-stdlib libpython3.4-minimal ...
            minecraftpi python3-minimal python3.4 python3.4-minimal
        Suggested packages:
            python3-doc python3-tk python3-venv python3.4-venv python3.4-doc
        The following NEW packages will be installed:
            dh-python libmpdec2 libpython3-stdlib libpython3.4-minimal ...
            minecraftpi python3-minimal python3.4 python3.4-minimal
        0 upgraded, 12 newly installed, 0 to remove and 0 not upgraded.
        Need to get 5,851 kB of Archive.
        After this operation, 21.6 MB of additional disk space will be used.
        Do you want to continue? [Y/n]
        


Minecraft for Raspbian Debian, the Raspberry Pi edition


Getting started with Minecraft Pi

Publisher Mojang Synergies AB

Raspberry Pi | Minecraft server setup. Requires the latest version of Sun's Java VM.


root@raspberry:# apt install openjdk-8-jre icedtea-8-plugin


To test that Java is installed and working properly on your computer, run this test applet.


11-Jan 2018


Intermezzo: Yeah! The Yes No song

Composed and performed by Helge Schneider and Sandro Giampietro (Guitar).



25-Mar 2018


Raspberry Pi | Daily one or more additional clean shutdown & reboot with Cron


Example: the Raspberry Pi does daily at 06:30 o'clock a clean shutdown & reboot.
You have to add following to the crontab file


user@raspberry:~ $ sudo su
root@raspberry:# crontab -e


        # Edit this file to introduce tasks to be run by cron.
        #
        ...
        ...
        # For more information see the manual pages of crontab(5) and cron(8)
        #
        # m h  dom mon dow   command
        30 6 * * * /sbin/shutdown -r now
        

Save Crtl O and exit nano editor Crtl X


        crontab: installing new crontab
		

Example: twice a day at noon & at midnight


        # m h  dom mon dow   command
        0 0 * * * /sbin/shutdown -r now
        0 12 * * * /sbin/shutdown -r now
        

⛔ Terms separated through a comma like 0 0,12 could being inapplicable with Raspbian OS.
Check it out yourself and consult your /var/log/syslog file.




Documentation Cron / Crontab


16-Mar 2018
Revised 28-Mar 2018


How to copy text snippets from PuTTy window & paste in Linux Ubuntu & vice versa


PuTTy logo

This was figured out with

PuTTY Release 0.67 | nano editor & $bash command line

Linux Ubuntu 18.04 Bionic Beaver (Budgie) | gedit & notepadqq text editors


How to exchange text snippets between PuTTY and Linux Ubuntu applications.




Copy from PuTTy  With the mouse left-click, hold & drag cursor to select = copy text.


Paste in application  Press the left mouse button and hold it. Now it depends on your hardware: then press the centre button or mouse wheel once or twice - depends on your Linux Ubuntu distro installed. Avoid scrolling. That is the mystery. 😤




Copy from application  Simply the standard key combination Crtl C


Paste in PuTTy  Deploying the keys Shift Insert does the job.


02-Mar 2018

Revised 18-Jun 2018


Raspberry Pi | Test your web server under stress situation


How a web server behaves under load is shown by the tool siege. It floods the destination server with a configurable number of requests and can already generate a decent load over a DSL connection. It is therefore important to start only time-limited stress tests - and of course you should only besiege your own server. Debian, Ubuntu, Mint and Fedora provide the tool via the package called siege.


root@not-a-raspberry:# apt install siege


Opens 50 connections to the specified address and lets the test run endlessly until the key combination Strg C terminates. Then siege displays a statistic of the measured values.


root@not-a-raspberry:# siege -c50 -b [URL]


        Run siege -C to view the current settings in that file
        ** SIEGE 4.0.4
        ** Preparing 50 concurrent users for battle.
        The server is now under siege...^C
        Lifting the server siege...
        Transactions:               4086 hits
        Availability:               100.00 %
        Elapsed time:               44.89 secs
        Data transferred:           18.08 MB
        Response time:              0.27 secs
        Transaction rate:           91.02 trans/sec
        Throughput:                 0.40 MB/sec
        Concurrency:                24.62
        Successful transactions:    4086
        Failed transactions:        0
        Longest transaction:        15.33
        Shortest transaction:       0.01
        

The user-agent (UA) identification string is something like
Mozilla/5.0 (pc-x86_64-linux-gnu) Siege/4.0.4


Siege: Homepage, FAQ and manual.


15-Jul 2018


Render screenshots across a selection of common browsers and devices


See how your personal website renders across a selection of common browsers and phone devices.

Check web browser compatibility by a cross platform test.


        Browser                 Version  Operating system
        -------------------------------------------------
        Edge                    15.0     MS Windows 10
        IE                      11.0     MS Windows 10
        Chrome                  50.0     MS Windows 10
        Firefox                 45.0     MS Windows 10
        Safari                  9.1      OS X, El Capitan
        IE (Internet Explorer)  10.0     MS Windows 7
        IE                      9.0      MS Windows 7
        IE                      8.0      MS Windows 7
        Google Nexus            6        Android 5.0
        Google Nexus            9        Android 5.0
        iPad Air                         iOS 8.3
        iPhone6 Plus                     iOS 8.3
		

🔗 https://developer.microsoft.com/en-us/microsoft-edge/tools/screenshots/


11-Nov 2018


Debian, Raspbian Pi | Microsoft 👎 core font installer


This font pack contains Andale Mono, Arial, Arial Black, Comic Sans MS, Courier New, Georgia, Impact, Times New Roman, Trebuchet, Verdana, and Webdings. The ttf-mscorefonts-installer package allows for easy installation of the Microsoft True Type Core Fonts for the worldwide web.


user@raspberry:~ $ sudo su
root@raspberry:# apt update && apt install ttf-mscorefonts-installer


After recent update, ttf-mscorefonts-installer prompts to accept its license agreement.

Use the Tab key to move to <Ok> and confirm with Enter.


EULA MS Microsoft core font ttf installer linux


        The following extra packages will be installed:
        cabextract fonts-liberation libmspack0 libxfont1 xfonts-utils
        The following NEW packages will be installed:
        cabextract fonts-liberation libmspack0 libxfont1 ttf-mscorefonts-installer xfonts-utils
        0 upgraded, 6 newly installed, 0 to remove and 0 not upgraded.
        Need to get 1,131 kB of archives.
        After this operation, 2,980 kB of additional disk space will be used.
        Do you want to continue? [Y/n]
        ...
        extracting ...
        extracting ...
        extracting ...
        ...
        All done, no errors.
		

05-Sep 2018

Debian, Raspbian Pi | Add MS Tahoma or any *.ttf font family to Linux


Did you know that Microsoft sells the Tahoma font family for 129 US$ because it comes with licensing?

🔗 Tahoma font family @fonts.com


All procedures are tested with Raspbian Stretch and Ubuntu 18.04 Bionic Beaver.


After Microsoft 👎 core fonts are installed:


First get both files tahoma.ttf and tahomabd.ttf from a MS Windows system located in
drive:\Windows\Fonts. Copy (e.g. Ubuntu via Nautilus file manager, Raspberry Pi via FTP) files in your Linux Downloads folder.


Installation routine using terminal:


user@machine:~ $ sudo su
root@machine:/home/user# cd Downloads
root@machine:/home/user/Downloads# mv -f tahoma*ttf /usr/share/fonts/truetype/msttcorefonts/
root@machine:/home/user# chmod 644 /usr/share/fonts/truetype/msttcorefonts/tahoma*
root@machine:/home/user# chown root:root /usr/share/fonts/truetype/msttcorefonts/tahoma*


Either update the font list for Debian ...


root@machine:/home/user# fc-cache -fv


... or update the font list for Raspbian Pi.


root@machine:/home/user# dpkg-reconfigure fontconfig fontconfig-config


        /usr/sbin/dpkg-reconfigure: fontconfig is broken or not fully installed
        

root@machine:/home/user# apt install fontconfig


This fixes the problem.


        ...
        Setting up fontconfig (2.11.0-6.3+deb8u1) ...
        Regenerating fonts cache... done.
        

06-Sep 2018


Flying Toasters ?


flying toaster, flying toasters, animated, gif, smallExternal links
🔗 Flying Toasters in CSS
🔗 More After Dark in CSS




Linux screensaver xscreensaver extra Flying Toasters


Similar for Linux, but not identical with the original version by After Dark.


root@user:# apt install xscreensaver xscreensaver-gl-extra


Additional GL (mesa) modules for screensaver frontends. XScreenSaver is a modular program for X11, it includes more than 200 screensavers. This package contains the rest of the 3D (OpenGL) screensaver modules from the xscreensaver collection and is used by both xscreensaver and gnome-screensaver. Other display modes are included in the packages xscreensaver-data, xscreensaver-data-extra and xscreensaver-gl.


You need to find the Flying Toasters screensaver for MS Windows then use the search string "flying toasters .scr" with quotes.


11-Sep 2018
Revised 14-Nov 2018

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