Fit Servers

 How to Safely Change Your Linux Server's Default SSH Port Automated script-kiddie scans are an ongoing nuisance for anyone running a web server. Within minutes of an IP address going live, automated bots are trying credential stuffing on port 22. Moving your SSH port doesn't create an unbreachable server, but it strips away the vast majority of background attacks, keeping your authentication logs readable and saving system resources. The Safe Transition Checklist: Pick a non-predictable port above 1023 (Avoid 2222, as it's heavily targeted). Edit your configuration file located at /etc/ssh/sshd_config . Configure firewalls ( UFW or firewalld ) and test before disconnecting. Handle SELinux exceptions if you are running RHEL-based distributions. If you omit any of these security layers during configuration, you run a high risk of losing access to your instance entirely. 🔗 For the complete step-by-step tutorial with all necessary commands, check out our full guide: ht...

 A Complete Guide to Installing OpenLiteSpeed on a Dedicated Server If you have been running Apache or Nginx on your dedicated server and hitting performance walls during traffic spikes, LiteSpeed is worth a serious look. OpenLiteSpeed vs Apache OpenLiteSpeed (OLS) is the open-source version of LiteSpeed Enterprise. It is completely free and highly capable of handling production workloads. Because it operates on an event-driven architecture, it uses a fraction of the RAM that Apache does when under heavy load. It also features zero-downtime graceful restarts and native HTTP/3 support. What You Will Need: A dedicated server running Ubuntu 22.04 or 24.04. Root or sudo access via SSH. Ports 80, 443, 7080, and 8088 open on your firewall. I have published a complete, step-by-step walkthrough on the Fit Servers blog. The guide covers everything from adding the official GPG keys and repository to installing LSPHP 8.3 and configuring your very first Virtual Host using LiteSpeed's built-in...

How to Diagnose Server Performance Issues: Native Commands for Linux & Windows If you manage your own dedicated server hardware, experiencing sluggish response times or sudden application crashes can be incredibly stressful. Most administrators waste valuable hours running random scripts or blindly restarting services without locating the actual root cause. Performance tuning starts with visibility. You need to know exactly how to measure your foundational computing resources: CPU, Memory, and Disk Storage. The Proactive Approach to Infrastructure Management Checking your resources shouldn't be an emergency-only habit. Keeping tabs on your metrics allows you to establish a "normal baseline." When you know what a typical Tuesday morning looks like on your server, catching a rogue, unoptimized database query or a memory leak becomes trivial. Key Metrics Covered in Our Latest Guide: Linux Utilities: Quick diagnostic walk-throughs using top , htop , free -h , and df -h ....

 The Enterprise Guide to DDR5 Memory Architecture: Is It Worth It? DDR5 memory has officially taken over the enterprise server market, but a massive question remains for IT directors and SysAdmins: Does it actually deliver in the real world? While DDR5 promises a theoretical 50% increase in raw bandwidth compared to DDR4, benchmarks in an isolated lab don't always translate to production environments. At Fit Servers, we decided to separate the marketing hype from operational reality. DDR5 isn't just a speed bump; it features a fundamentally different architecture, including dual independent 40-bit sub-channels and an on-module Power Management IC (PMIC) that drops operating voltage to 1.1V. But because of higher CAS latencies, the real-world gains depend entirely on your specific workload. Will your AI and Machine Learning models see a 30% boost? Or will your web hosting environment only see a negligible 1-4% gain? We broke down exactly how DDR5 performs across different worklo...

 How to Host a Lag-Free Palworld Dedicated Server on Linux (High RAM Guide) Palworld is a massive multiplayer survival hit, but managing a server comes with a well-known technical challenge: severe memory leaks. As your world expands, bases grow, and large guilds capture more Pals, the server's RAM usage skyrockets. Standard shared hosting plans simply cannot keep up, resulting in lag, rubberbanding, and inevitable crashes. If you want a flawless multiplayer experience, you need to host a Palworld Dedicated Server on Linux using a machine equipped to handle massive memory loads. In our latest guide, we walk you through the exact steps needed to set up a high-performance environment on Ubuntu 22.04 or 24.04 LTS. We cover critical steps including: Installing required dependencies and SteamCMD safely. Setting up a 16GB Swap file for emergency memory overflow. Applying Unreal Engine 5 launch parameters for multi-threading. Creating a systemd service for automatic server recovery. Autom...

  The Secret to Conquering Southeast Asia’s Digital Market: Singapore Dedicated Servers The digital economy in Southeast Asia (SEA) is expanding at a breakneck pace. With over 400 million internet users spread across Indonesia, Malaysia, Thailand, Vietnam, and the Philippines, the demand for high-performance digital infrastructure has never been greater. If your business handles high-volume e-commerce, multiplayer gaming, or high-frequency trading, you already know that latency is the silent killer of user retention . Many startups default to the public cloud. But when you are pushing terabytes of data, shared cloud resources will throttle your performance and hit you with exorbitant outbound data fees. The solution? A dedicated, bare-metal server located at the epicenter of APAC connectivity: Singapore. In our latest deep dive at Fit Servers, we explore: The Submarine Cable Advantage: Why Singapore’s direct aquatic fiber optics beat routing through Tokyo or Hong Kong. The Speed A...