Jorge Saldívar

Category: General

  • The principle of least privilege

    The principle of least privilege

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    The principle of least privilege is a key concept in computer security and information security. It refers to the practice of limiting access rights for users to the bare minimum necessary to perform their job functions. This principle is applied to every part of a system, including systems, processes, users, and programs. Here are the…

  • Crontab

    Crontab

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    Issue: How to setup cron jobs in Ubuntu (and Linux)? Solution: Setting up cron jobs on a Linux system like Ubuntu is a straightforward process. Cron jobs are scheduled tasks that your system runs at specified times or intervals. Here’s how you can set them up: Accessing the Cron Table: Special Syntax: Instead of the…

  • WordPress: How to manually create a user in the database

    WordPress: How to manually create a user in the database

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    Manually creating a WordPress user in the database involves adding a new entry to the wp_users table and assigning the necessary user capabilities. Here are the steps to do this: Please exercise caution when making direct changes to your WordPress database, as incorrect changes can break your site. Make sure to back up your database…

  • Credit Card Testing

    Credit Card Testing

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    PayPal sandbox testing guide The PayPal sandbox is a self-contained, virtual testing environment that simulates the live PayPal production environment. The sandbox provides a shielded space where you can initiate and watch while your apps process PayPal API requests without touching any live PayPal accounts.

  • iOS 17 is out and a couple of things stick out

    iOS 17 is out and a couple of things stick out

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    The first thing, the battery life took a hit (hopefully, there’s a fix for this asap). The second is the announcement of the upcoming Journal app. I’m curious if this can be synced to WordPress… hopefully there will be an app for that.

  • Update WordPress MySQL tables from old domain name to new domain name

    Update WordPress MySQL tables from old domain name to new domain name

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    This code is typically used when migrating a WordPress site from one domain to another, ensuring that all references to the old domain are updated to the new domain.

  • Image Tag Cheat Sheet

    Image Tag Cheat Sheet

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    Basic Usage Attributes Attribute Description src The path to the image file. alt The text to display if the image fails to load. width The width of the image in pixels. height The height of the image in pixels. title The text to display when the user hovers over the image. Example Notes

  • Omegle has shut down

    Omegle has shut down

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    As the title states, Omegle has shut down.

  • Updated website to TT4

    Updated website to TT4

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    I’m vibing on the updated default theme, Twenty Twenty-Four. Great job to the contributors!

  • Regex Cheat Sheet

    Regex Cheat Sheet

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    Simple Examples Examples Quantifiers Character Classes Anchors Groups Flags Special Characters Lookarounds Unicode Categories POSIX Classes