Posted inMonitoring
Email Alerts with Grafana: Stop Finding Out About Downtime Too Late
Don't let your dashboards be just for show. A detailed guide on configuring SMTP and Grafana Alerting to receive instant incident notifications via email.
Posted inNetwork
Diagnosing and Troubleshooting Network Connectivity Issues on Linux: A Guide to `ip`, `route`, `dig`, `netcat`, and More
Network connectivity issues on Linux servers can arise unexpectedly, causing significant disruption. This article guides you through using powerful tools like `ip`, `route`, `dig`, and `netcat` to systematically diagnose and resolve problems, just as you would handle a real-world production incident.
Posted inLinux
Managing GRUB2 on Linux: A Guide to Configuration, Troubleshooting, and Boot System Customization
GRUB2 is Linux's essential bootloader. This article shares practical experience on configuring, troubleshooting boot issues, and customizing GRUB2. You'll discover useful tips, detailed command examples, and best practices to fully master this powerful tool.
Posted inPython
Python and Linux: Useful Sysadmin Scripts for Task Automation
How to effectively handle repetitive tasks on Linux? Python is the answer. This article guides you on writing useful Python scripts to automate system administration work, helping you be more efficient and reduce risks.
Posted inSecurity
System File Integrity Monitoring with AIDE on Linux: Early Intrusion Detection and Data Tampering Prevention
Ensuring Linux server security is a top priority, and File Integrity Monitoring (FIM) with AIDE is an effective solution. This article shares practical experience deploying AIDE for early intrusion detection and prevention of system data tampering.
Posted inSecurity
Hardening Linux Server: A Comprehensive Security Checklist for Beginners
In the digital age, Linux server security is vital. This article offers a comprehensive hardening checklist covering essential steps – from system updates, SSH configuration, to firewalls and user management – helping you protect your server from all online threats.
Posted inVirtualization
Installing and Configuring Hyper-V on Windows Server 2022: Best Practices for Enterprise Virtual Machine Management
This article provides a detailed guide on how to install and configure Hyper-V on Windows Server 2022. With practical tips and real-world experience, you will easily manage virtual machines effectively in an enterprise environment.