• Unable to reach LocalStack when running it with colima

    3 min read

    LocalStack colima could not connect to LocalStack health endpoint

    If we try to run localstack using colima we might face the following error:

    $ localstack status services
     ERROR: could not connect to LocalStack health endpoint at http://localhost:4566
    

    20/02/2023

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  • Retrive the Windows uptime using the CLI

    2 min read

    Windows uptime net stats srv systeminfo

    System uptime can be useful for both casual competitions among friends to see who has the system with the longest uptime, as well as for more practical purposes such as identifying if a problem is caused by a system restart. In this article, we will explore two methods for obtaining the uptime on Windows systems.

    16/02/2023

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  • Makefile's PHONY targets

    2 min read

    make Makefile .PHONY target

    When we create Makefile targets, we are actually defining "file targets": Make will try to create these files running the commands we are defining:

    target:
      command
    

    But sometimes we want to create some targets that do not represent physical files in the file system. A good example of that are the "clean" targets (as in make clean)

    15/02/2023

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  • AWS Lambda: fork/exec /var/task/demo: exec format error: PathError null

    2 min read

    AWS Lambda format error

    Executing a lambda function we might find that if fails with the following error:

    2023-02-04T21:15:33.723+01:00 START RequestId: 7cb12d0d-1e8c-4a8d-485a-0f5dced9a545 Version: $LATEST
    2023-02-04T21:15:33.723+01:00 fork/exec /var/task/demo: exec format error: PathError null
    2023-02-04T21:15:33.724+01:00 END RequestId: 7cb12d0d-1e8c-4a8d-485a-0f5dced9a545
    

    13/02/2023

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  • AWS CLI in alpine

    1 min read

    alpine awscli pip

    The AWS CLI is a command line interface for interacting with AWS services. To install it in an Alpine-based container we can use pip instead of going thru all the trouble of downloading a zip and install it by running some script.

    09/02/2023

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