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 …

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 …

Caddy is a powerful web server. When serving sites with Caddy you’ll notice that responses contain a Server=Caddy response header. You probably don’t set this response header in your application. Then it must come from Caddy itself. This tutorial shows you how to remove the automatically added …

Caddy is a powerful web server allowing you to serve your sites to the Internet. When exposing websites to the Internet, you want to know what kind of requests you’re receiving. Caddy supports request logging (also known as access logs). This tutorial shows you how to enable request logging …

Caddy is a powerful open-source web server, like nginx or Apache. You can configure website redirects as you can do on all other web servers. You can configure redirects in a single line. This tutorial shows you how to configure redirects from one (sub)domain to another. {{outline}} Redirect a …