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What To Do When Ubuntu Can't Use Free Unallocated Disk Space

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Ubuntu
HowTos

This only affects people who are using a computer with a legacy BIOS that already has 4 primary partitions in use.

To fix the issue remove one of the 4 primary partitions.

Important: If you decide to remove a data partition make sure you have backed up the data first. If you decide to remove a recovery partition make sure you have created other recovery media

After deleting one of the 4 partitions you should be left with 3 primary partitions and an area of unallocated disk space.

When you run the Ubuntu installer you should now see the option to install alongside Windows 10.

If you do not get the option to install alongside Windows 10, choose the something else option as the installation type and create 2 extended partitions in the area of free space, the first taking up most of the disk space and mounted to root (/) and the second taking up around 8 gigabytes for swap space. The amount of swap space can be reduced or increased depending on the age of your machine and amount of memory available.

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Leftovers: Software

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Software
HowTos
  • How Docker changes application monitoring

    As operations, IT, and engineering organizations coalesce around the value and importance of containers, they often ask the seemingly logical question: “How do I monitor Docker in my production environment?” As it turns out, this question has it backward. Monitoring the Docker daemon, the Kubernetes master, or the Mesos scheduler isn’t especially complicated, and there are, in fact, solutions for each of these.

    Running your applications in Docker containers only changes how the applications are packaged, scheduled, and orchestrated, not how they actually run. The question, properly rephrased, becomes, “How does Docker change how I monitor my applications?” As you might imagine, the answer to this question: “It depends.”

    The answer will be dictated by the dependencies of your environment and your use cases and objectives. The orchestration technology you use, the Docker image philosophy you follow, and the level of observability your containerized application provides, among other considerations, will all factor into how you monitor your applications.

    To begin to understand how a microservices regimen and a Dockerized environment will affect your monitoring strategy, ask yourself the following four simple questions. Note that the answers may differ for different applications, and your approach to monitoring should reflect these differences.

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