Reading Last Command Output to Identify Unexpected Reboots on Linux

Introduction Monitoring system reboots is a critical part of managing and maintaining server uptime and stability. On Linux-based systems, unexpected or unplanned reboots can result from hardware issues, kernel panics, system crashes, power failures, or administrative errors. Identifying the cause and time of such reboots is essential for troubleshooting and improving system reliability. One of

How to Change the IP Address for a Name Server

Introduction Name servers play a pivotal role in the Domain Name System (DNS), acting as the bridge between human-readable domain names and machine-understandable IP addresses. Each name server typically has an associated IP address that DNS resolvers use to query domain records. In situations such as server migration, network restructuring, or IP deprecation, updating the

FAQ: Why Your WebSocket Connection to the GPU Server Keeps Disconnecting

Why Your WebSocket Connection to the GPU Server Keeps Disconnecting Here are the most likely reasons for disconnections—and practical solutions: Common Causes & Fixes 1. Idle Timeout from Load Balancers or Proxies Many environments (Cloudflare, Koyeb, etc.) automatically terminate idle WebSocket connections after a set period—often 100–120 seconds, even when the connection appears active. What

FAQ: Do IP ServerOne data centers use Btrfs or another filesystem?

IP ServerOne Filesystem Overview Do IP ServerOne data centers use Btrfs or another filesystem? For compatibility and stability, we deploy ext4 or XFS at the server level. These are mature, proven filesystems widely supported across the hosting industry. Meanwhile, our SAN storage infrastructure delivers advanced capabilities such as snapshots, compression, and deduplication at the backend.

Using SCP and rsync for Secure File Transfer

Introduction Secure file transfer is essential for system administrators, developers, and IT professionals handling sensitive data across networks. Among the most commonly used tools for this purpose are SCP (Secure Copy Protocol) and rsync, both relying on SSH (Secure Shell) to provide encrypted, authenticated communication between hosts. Who uses these tools: Primarily network administrators, DevOps

How to Flush Mail Queue and Remove Frozen Emails in Exim

Introduction Exim is a widely used mail transfer agent (MTA) on Unix-like systems, known for its flexibility and high configurability. One of its core components is the mail queue, which temporarily stores email messages waiting to be delivered. Over time, especially on busy mail servers or misconfigured systems, the mail queue can become congested with

FAQ: Cloudflare Features and AI Bot Blocking

🌐 Cloudflare Features and AI Bot Blocking ❓ Can Cloudflare features block AI bots? Yes, Cloudflare features can block AI bots, depending on how your security settings and bot protection rules are configured. Many of our customers use Cloudflare’s built-in tools to filter or restrict unwanted traffic, including known or suspected bots—AI or otherwise. 🔒

FAQ: Does NovaCloud Support VPN?

FAQ: Does NovaCloud Support VPN? Does NovaCloud support VPN? Yes, NovaCloud supports VPN. You can run your own VPN on a NovaCloud instance by setting it up manually. Our cloud infrastructure allows full control over your virtual machine, so you’re free to install and configure VPN software according to your requirements—whether for secure remote access,