Managing, monitoring and security
How to run the .sh file in Linux
A .sh file in Linux is an executable shell script containing a series of commands that will run sequentially. It’s commonly used to streamline...
Linux cut command: Syntax, options, and practical examples
When working with Linux, you’ll often deal with structured text data in a file, output from a command, or characters generated by a script. Most...
How to set up the LGTM stack for end-to-end observability
The LGTM stack – consisting of Loki for logs, Grafana for visualization, Tempo for tracing, and Mimir for metrics – is an open-source...
The 12 best observability tools
Observability tools are essential for gaining real-time insights into the health and performance of your systems. They allow you to monitor,...
How to install Grafana on Ubuntu?
Grafana is a free visualization tool that displays complex data from various sources in a single, unified platform. Some popular data sources that...
How to run a Grafana Docker image?
Grafana is a leading open-source tool for visualizing time-series data, offering intuitive dashboards and monitoring capabilities. It is widely used...
How to install Grafana Loki on Ubuntu
Grafana Loki is a horizontally scalable, open-source log aggregation system designed for efficiency and simplicity. Unlike traditional logging tools...
What is SELinux? How does it enhance Linux security?
Security-Enhanced Linux (SELinux) is a security module that adds an extra layer of protection to your system. It enforces strict access control...
How to use the journalctl command to view Linux logs
The journalctl command is a powerful Linux utility for viewing, filtering, and managing system logs collected by systemd. It lets you inspect logs...