Posted inDevelopment
How to Back Up SQLite to S3 with Litestream: Real-Time Production Backups
Litestream's Continuous WAL Replication makes SQLite production-ready with real-time backups to S3 and second-accurate Point-in-Time Recovery.
Posted inVirtualization
How to Install and Configure Proxmox Backup Server (PBS): Deduplication and Client-Side Encryption
A technical comparison of VZDump, ZFS Send, and Proxmox Backup Server (PBS). Learn how to set up PBS with client-side encryption and deduplication saving up to 80% storage.
Posted inFedora
How to Install and Configure BorgBackup on Fedora Server: Automating Data Backups over SSH
A comprehensive guide to setting up BorgBackup on Fedora Server. Leverage deduplication to save 80% disk space, secure backups with AES encryption, and automate via Systemd timers.
Posted inUbuntu
Btrfs + Snapper on Ubuntu: Configure Automatic Snapshots and Instant Rollback When Your System Breaks
Btrfs snapshots combined with Snapper are the most effective way to protect your Ubuntu Server — automatically snapshotting before every apt run and rolling back from GRUB even when the system won't boot. This article compares it against rsync and Timeshift, walks through a step-by-step installation, and covers real-world recovery scenarios.
Posted inVMware
Backing Up VMware ESXi VMs to Synology NAS with Active Backup for Business: A 3-2-1 Data Protection Strategy
A guide to configuring Active Backup for Business on Synology NAS to back up VMware ESXi virtual machines, drawing from six months of real-world production experience. Implement a complete 3-2-1 data protection strategy without expensive backup software.
Posted inLinux
Restic: A Professional Linux Backup Solution to the Cloud (Encryption, Deduplication)
Don't lose data to outdated rsync scripts. Switch to Restic to leverage deduplication technology and secure AES-256 encryption for Linux.
Posted inSecurity
Stop Ransomware with Immutable Backups: Combining Rclone and S3 Object Lock
Learn how to set up Immutable Backups on Linux using Rclone and S3 Object Lock. The ultimate data protection solution to prevent hackers from deleting backups even with root access.
Posted inVirtualization
QEMU Guest Agent: Installation and Configuration on Linux/Windows for Consistent Snapshots and VM Monitoring
QEMU Guest Agent (qemu-ga) is a daemon running inside the VM that freezes the filesystem before snapshots are taken, ensuring data consistency and preventing corruption on restore. This guide covers installation on Linux and Windows, configuration with KVM/libvirt and Proxmox, plus troubleshooting for common issues.
Posted inVMware
vCenter Backup: Why Snapshots Aren’t Enough and a Guide to Setting Up File-Based Backup Properly
Learn how to configure File-Based Backup for VMware vCenter (VCSA) to protect your management system. A detailed guide from automated setup to real-world recovery.
Posted inSecurity
Ransomware Defense on Linux Servers: Proactive Protection, Early Detection, and Data Recovery
A practical guide to Linux server ransomware defense using a defense-in-depth model: SSH hardening, abnormal encryption detection scripts, offline backups with BorgBackup, and an incident response plan for when things go wrong. Aimed at sysadmins and DevOps teams managing production servers.