A kernel security update normally means a reboot, and a reboot on a VPS means dropped connections, restarted services, and a window where nothing is serving traffic. Live patching removes…
Read MoreBuilding a Two-Node VPS Failover Cluster with Keepalived and VRRP
A single VPS is a single point of failure. Hardware failures, host crashes, and network outages all take your application offline. Keepalived uses the Virtual Router Redundancy Protocol (VRRP) to…
Read MoreSetting Up a CI/CD Pipeline on a Budget VPS with GitHub Actions
A CI/CD pipeline automates testing, building, and deploying your application — but many developers assume you need a paid CI service or a second server to run one. In reality,…
Read MoreContainerizing a Node.js Application with Docker on a VPS: Multi-Stage Builds, Health Checks, and Deployment
Running Node.js directly on a VPS works until you need to manage dependencies, Node.js versions, environment variables, and process restart behavior across deploys. Docker solves these problems by packaging everything…
Read MoreLinux VPS Security Audit: 10 Essential Commands to Verify Your Server’s Hardening
How do you know if your VPS is actually hardened? Most server owners install a firewall, change the SSH port, and call it done. But real security posture comes from…
Read MoreSetting Up a Staging Environment on a Single VPS with Docker Compose
Every production deployment carries risk. A staging environment — a full copy of your stack that you can test against before pushing to production — reduces that risk dramatically. But…
Read MoreSetting Up WireGuard VPN on a VPS: Remote Access, Site-to-Site Networking, and Security Hardening
WireGuard is a modern VPN protocol that uses state-of-the-art cryptography and fits in under 4,000 lines of kernel code. Unlike OpenVPN or IPsec, WireGuard is designed for simplicity: a single…
Read MoreMySQL on a Constrained VPS: Budgeting Buffers by Subtraction, Not Guesswork
MySQL and MariaDB are the most common cause of an OOM kill on a 1–2 GB VPS, and the usual fix — “lower innodb_buffer_pool_size” — often makes things worse because…
Read MoreAutomating VPS Backups with restic and Backblaze B2 on a Budget
Backing up a VPS is not optional, but traditional backup solutions can be expensive or complex to set up. Restic is a fast, encrypted, open-source backup tool that deduplicates data…
Read MoreTuning vm.* Kernel Parameters: Swappiness, Dirty Ratio, and OOM Behavior on a VPS
While network sysctl tuning gets most of the attention in VPS performance guides, the vm.* kernel parameters have an equally large impact on day-to-day stability. These settings control how the…
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