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See How to install java on ubuntu If you dont want to be stuck with Openjdk7 see: How to Install JAVA 8


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If You have Ubuntu Tweak, you can create asociation in card File Types Manager Select line "Archive Java" and change the record by double click: Add > Use own command > type "/usr/bin/java -jar " and press enter. After that you can easily run java app by double-clicking on it. Happy clicking!


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The Swap total given by free reflects the swap space configured on your system, which is the amount of space that the system can use on disk if the amount of RAM is insufficient. An overview on swap can be found at https://help.ubuntu.com/community/SwapFaq. In the output you posted we can see that none of the swap is actually used, which means that the ...


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As I wrote here: For some reason the desktop file for OpenJDK is not installed, even though this file is listed. $ apt-file list openjdk-8-jre | grep desktop openjdk-8-jre: /usr/share/applications/openjdk-8-java.desktop openjdk-8-jre: /usr/share/applications/openjdk-8-policytool.desktop $ ls -l /usr/share/applications/openjdk-8-java.desktop ls: ...


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Why bother with a problem, if there is a simple alternative: 'Unofficial Minecraft Installer' is a script available in a PPA that can be used to easily install the popular Minecraft game in Ubuntu and derivatives (Linux Mint, elementary OS and so on). Source sudo add-apt-repository ppa:minecraft-installer-peeps/minecraft-installer sudo apt-get ...


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Connecting inside your LAN: Just type in the local IP, the one output from "ifconfig" or "ip address". To have people outside your LAN connect: Forward a port to your game server's local IP address. In order to not have to adjust the forwarding all the time, you'll probably want to assign your game server a static IP address from your router. Anyone ...


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Have a look at this. This seems to be related to OpenGL. http://www.stokebloke.com/wordpress/2015/02/19/minecraft-1-8-2-arrayindexoutofboundsexception-at-linuxdisplay-getavailabledisplaymodes/


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Well, check that please: https://www.digitalocean.com/community/tutorials/how-to-install-java-on-ubuntu-with-apt-get I suggest you to try to install Oracle Java from how that guide explain I hope yo have luck ;)


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I think that it's an issue with the program itself or with your Java installation, can you tell us what version of Java have you installed and also, what kind of packet you installed (I mean, from OpenJDK or from Oracle).



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