grep is a powerful tool on Linux and UNIX-based operating systems. It searches for patterns in files and is flexible enough to search through multiple files. You may select a set of files manually or use a glob pattern to find the files to grep on. This tutorial shows you …

We’re using Universally Unique Lexicographically Sortable Identifier (ULID) in our projects to identify entities. ULIDs are unique, sortable identifiers similar to UUIDs. The claim that ULIDs are better than UUIDs is that they are sortable, keeping a monotonic sort order, encoded as a 26-character string (36 characters for UUIDs) …

Bugs in a production environment are stressful. The search for context information typically starts by searching the log files. It can be tedious to find the context you’re looking for in (rotated) log files or you’re pushing a large amount of data to your logs. A nice thing …

grep is a powerful tool for searching for a pattern in files. You can search in a single file, all directory files, or recursively through all files in a directory. A use case to search through all files in a directory is finding information in application log files. You may …

grep allows you to search for a pattern in a file’s content. This tool searches even through large files, like application logs. You may also search recursively for a pattern in files of a directory and related subdirectories. This tutorial shows you how to run a recursive search on …

Searching for a pattern in files using grep is case-sensitive by default. Case-sensitive means that grep looks for an exact match of your pattern in the related file. This may not surface all search value matches because of different writing styles for a given text. This tutorial shows you how …

GitHub Actions is a great integration tool in the software platform. For example, you may run your test suite when pushing to the repository or deployment when pushing to a branch connected to a deployed environment. We’re using GitHub Actions for both examples: running our test suite and deployments. …

In the previous tutorial, we looked at adding a new column after an existing column in MySQL. That tutorial showed you how to add a new column at any position in a table, except the first. In this tutorial, we’re adding a new column to the beginning of a …