Mark Caudill

  1. Tracking App Usage in Linux

    I've been thinking a lot lately about the value that tracking personal data has the potential to add, and about the costs that often comes with it. For example, devices like Fitbits or Garmins can provide useful insight into your fitness routine. Apps like Google's Digital Wellbeing or Apple's Screen …

  2. My Bash Prompt

    Bash Prompt Example

    I recently updated my Bash prompt. It started because I wanted to incorporate git status information into the prompt. But once I got that working it turned out I didn't really like it so I ditched it but kept the other stuff I did.

    Here's the relevant portion from my …

  3. Cloudflare Dynamic DNS Updater

    #!/usr/bin/env python
    import argparse                                                                                                       
    import CloudFlare                                          
    import logging                                             
    import requests
    def public_ip(service=''):                                                                           
        Get the apparent public IP of this computer. This does not imply that the
        necessary network configurations are in place to allow public access.
        Raises Exceptions for anything but a 200 …
  4. SSH Daemon on Alternate Ports

    There comes a time in every sysadmin's life where they need to run SSH on an alternate port. Should be as simple as adding multiple Port <number> directives to /etc/sshd/config and issuing a restart to the daemon.

    Except SELinux, as usual, finds a way to rain on the …

  5. Deduplication and You

    I was doing some backups and realized my photos, which I keep in Dropbox (sue me) were taking up about 50G. I knew there had to be a lot of duplicates but searching for them through 50G of files would be tedious. This seemed like a task that should be …

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