Goal: keep a Debian or Ubuntu VPS patched against security vulnerabilities without logging in every week. This guide sets up unattended-upgrades, restricts it to security updates, adds reboot handling and…
Read MoreFail2ban on a VPS: Block SSH Brute-Force Attacks With Custom Jails
Expose any fresh VPS to the public internet and the SSH auth log fills within hours: in a 24-hour test on a default Ubuntu instance we recorded 3,847 failed login…
Read Moresystemd Service Hardening: Sandboxing, Capabilities, and Resource Limits
A freshly installed service on Ubuntu 24.04 typically scores 8–9 on systemd-analyze security — marked EXPOSED — because the default unit grants full filesystem, network, and capability access. The same…
Read MoreFail2ban on a VPS: Blocking Brute-Force Attacks Automatically
Expose an SSH port to the internet and the probes start within minutes: dictionaries of usernames, thousands of attempts a day, all logged as failed password entries in auth.log. Blocking…
Read MoreHow to Set Up a VPS-Based Log Aggregation Pipeline with OpenSearch and Fluentd
When you manage multiple VPS instances, application logs spread across every server — making troubleshooting, security auditing, and performance analysis a manual nightmare. A centralized log aggregation pipeline solves this…
Read MoreSecuring Your VPS with SELinux and AppArmor: A Practical Guide to Mandatory Access Control on Linux
A standard Linux VPS runs discretionary access control (DAC) — if a process has root, it can do anything. Mandatory access control (MAC) systems like SELinux and AppArmor add a…
Read MoreVPS Hardening Checklist 2026: 30 Essential Security Steps for Your Production Server
Why Your Production Server Needs a Hardening Checklist A freshly provisioned VPS is vulnerable by default. Default SSH passwords, open ports, unnecessary services, and misconfigured firewalls are the most common…
Read MoreVPS Automated Backup Strategies: Comparing rsync, BorgBackup, and Restic for Server Data
Why Automated Backups Are Non-Negotiable for VPS Administrators Data loss on a VPS is not a question of if but when. Hardware failures, accidental deletions, ransomware attacks, and software bugs…
Read MoreVPS Automated Backup Strategy Comparison: Rclone, BorgBackup, and Restic for Offsite Storage
Your VPS data is only as safe as your backup strategy. A single accidental rm -rf, an automated script gone wrong, or a provider-level failure can wipe out months of…
Read MoreVPS Disk Encryption Guide: Securing Data at Rest with LUKS on Your Server
Data at rest encryption is a critical security practice that every VPS administrator should implement. Whether you’re hosting sensitive customer data, financial records, or proprietary code, an unencrypted disk exposes…
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