Meta Refresh Redirects: When and Why to Avoid Them
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Server
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Safely Shutting Down All Xen Virtual Machines on a Server
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Running Commands Across Multiple Servers with Bash and Ansible
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Bash Script for Monitoring Server Uptime
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How to Change Systemd Targets on Fedora Linux
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Installing Fedora 17 PV Guest on Xen with PXE Boot
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Optimizing MTU Size for WiFi Performance on Linux
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Comparing 2G, 3G, and Wireless Network Speeds
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Getting Started with SSH: Connecting to Linux Servers
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Expanding an LVM Volume Group
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Installing NS-2 and NS-3 on Fedora
ns (Network Simulator) is a discrete-event simulator used primarily for research and educational purposes in networking. The two major versions—ns-2 and ns-3—are substantially different in architecture and usage patterns. This guide covers installation on current Fedora systems. Installing ns-2 on Fedora Note: ns-2 is legacy software and requires significant compatibility workarounds on modern systems. Consider…
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Setting Up NFS Server and Client Configuration
Package Installation Install the required packages: dnf install nfs-utils nfs-utils includes both server and client tools. The separate rpcbind package is no longer needed on modern systems — it’s handled as a dependency and runs as part of the NFS service. Configure /etc/exports Edit /etc/exports to define which directories clients can mount and with what…
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NS-2 Network Simulator: A Practical Tutorial
ns-2 reached end-of-life in 2011 and is no longer maintained. If you’re looking to simulate network behavior, you should use ns-3 instead, which is actively developed and provides significantly better accuracy and modern tooling. Why ns-3 Over ns-2 ns-2 was influential in academic networking research, but its architecture has fundamental limitations that became apparent over…
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Getting Started with Git: A Beginner’s Guide
Every user working with Git needs an SSH key pair for authentication. Generate one if you don’t have it: ssh-keygen -t ed25519 -C “your-email@example.com” Ed25519 keys are preferred over RSA for better security and performance. The command creates ~/.ssh/id_ed25519 (private key) and ~/.ssh/id_ed25519.pub (public key). Share the public key with your Git server administrator to…
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Checking System Uptime on Linux and Windows
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Open Source SSH, SCP, SFTP, and VNC Clients for Windows
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Connecting Multiple Clusters with iptables NAT
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Font Rendering Optimization in Fedora with Bytecode Interpretation
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Managing LVM Volume Groups: Setup and Configuration
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Backing Up LVM-Based Xen DomUs Over the Network
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