Ansible
Ansible Commands and Playbook Cheat Sheet
Ansible commands blur together after a while. You know the module exists, you just can’t remember the exact…
Category
Linux Tutorials
Ansible
Your First Ansible Playbook: Step-by-Step Guide
Managing two servers by hand is tedious. Managing twenty is a full-time job. Ansible playbooks turn that manual…
Ansible
Ansible Inventory Management: Static and Dynamic
Ansible needs to know which servers to manage. That’s the inventory: a mapping of hostnames, IPs, groups, and…
Ansible
Ansible Ad-Hoc Commands: Quick Tasks Without Playbooks
Not everything needs a playbook. Sometimes you need to check disk space across 50 servers, restart a stubborn…
Ansible
Install and Configure Ansible on RHEL and Debian Based Linux
Managing a handful of servers by hand is fine. Past ten or fifteen, you start making mistakes: a…
Backup
Clonezilla Disk Cloning and Imaging: Complete Guide for Linux
Clonezilla copies disks. That is the entire pitch. It reads only the used blocks on a partition, compresses…
Linux
Btrfs Snapshots with Snapper: Automatic System Rollback on Fedora and openSUSE
A bad dnf update can leave your Fedora system in a state where packages conflict, services refuse to…
Backup
Immutable Backups on Linux: Ransomware-Proof Strategy with MinIO, Restic, and Borg
Ransomware doesn’t just encrypt your production data. Sophisticated attacks target backup repositories too, because attackers know that destroying…
Backup
Install and Configure UrBackup Server and Client on Linux
Most backup solutions fall into two camps: agent-based tools that require manual scripting on every server, or enterprise…
Backup
LVM Snapshots for Consistent Server Backups on Linux
Backing up a database while it is running creates a problem most people don’t think about until it…
Databases
PostgreSQL and MariaDB Backup with Point-in-Time Recovery
File-level backups are useless for databases. If you tar a running PostgreSQL data directory, you get a corrupted…
How To
Bash Script To Automate Linux Directories Backups
A well-written bash script covers 90% of Linux backup needs without installing anything. tar, gzip, and a systemd…