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If you're on 12.04 or 10.04, you don't need to do anything special to upgrade. The usual procedure applies: sudo apt-get update sudo apt-get upgrade Or, specifically: sudo apt-get install libc6 To verify, run apt-cache policy: $ apt-cache policy libc6 libc6: Installed: 2.15-0ubuntu10.10 Candidate: 2.15-0ubuntu10.10 Version table: *** ...


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The reason you pull in new kernel versions is that you have the shell package linux-image-generic installed, which does not contain the kernel image itself but at any given time depends on the most recently released kernel package. This is why you get a new kernel version installed even though its package name is different, containing the version number. ...


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Run these commands: sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 40976EAF437D05B5 sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 3B4FE6ACC0B21F32 This downloads the missing GPG keys (as mentioned in the original error message) from the Ubuntu GPG keyserver.


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$ grep max_align_t /usr/include/c++/* -r /usr/include/c++/4.9/cstddef: using ::max_align_t; /usr/include/c++/4.9.2/cstddef: using ::max_align_t; /usr/include/c++/v1/cstddef: max_align_t /usr/include/c++/v1/cstddef:typedef long double max_align_t; /usr/include/c++/v1/ are files from libc++-dev so we need clang to use libc++ Simple compiler switch ...


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The most important aspect is what you are looking for. For myself, I am looking for a stable platform that I can do my job on. Since my job is really unrelated to Linux or Linux Development, I picked LTS, which stands for Long Term Support. I want a platform that I know they will keep providing security and critical bug fixes. So I always pick the LTS ...


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To cover all your points of confusion: User interface: Both versions use the Unity interface (it's not like Windows, where basically every release gets its new UI. In Linux systems you can install basically any UI you want to use.) Theming: See UI. Support: Ubuntu 14.10 receives support for 9 months, i.e. to July '15. Ubuntu 14.04.1 LTS* will receive ...


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You have 2 options. 1) Leave things as they are and provide your original 14.04 disk when prompted. 2) Remove the CD from your software sources (recommended)



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