Mastering tcpdump in SUSE Linux Enterprise
tcpdump is a powerful command-line packet analyzer available on SUSE Linux Enterprise and many other Linux distributions. It allows you…
Windows Server Software Defined Networking (SDN) and Hyper-V Network Virtualization (HNV) – Part 2: Testing Cross-Host HNV Connectivity
In Part 1 of this series, we deployed the fundamental Windows Server Software Defined Networking (SDN) infrastructure, including the Network…
Windows Server Software Defined Networking (SDN) and Hyper-V Network Virtualization (HNV) – Part 1: Deploying the SDN Infrastructure
Windows Server Software Defined Networking (SDN) provides a software-defined networking architecture for centrally configuring and managing virtual and physical network…
Passwordless Authentication in Linux – Part 3 – Certificate-Based and FIDO2 Authentication
After exploring certificate-based authentication and Passkeys on FIDO2 for Windows in Part 1 and Part 2, this third part takes…
Mastering Netplan: Modern Network Configuration on Ubuntu
Modern Ubuntu Server releases (17.10 and later) use Netplan as the default network configuration system. Instead of editing /etc/network/interfaces, the…
Understanding Identity Mapping in NetApp ONTAP – Windows, UNIX, and Kerberos Users
In environments where both SMB/CIFS and NFS are used, NetApp ONTAP must translate user identities between different authentication systems. Windows…
Linux Cheat Sheet for essential Network Commands
Whether troubleshooting connectivity issues, analyzing network traffic, verifying DNS resolution, or checking listening services, Linux provides a powerful set of…
Updating VMware Tools to 13.0.5 manually on Ubuntu 24.04 (Headless Build – without GUI)
Ubuntu’s packaged version of open-vm-tools often lags behind VMware’s latest release. If you want to upgrade manually or build a…
How to Check if the Firewall Is Active on Linux (Across Different Distributions)
On Linux systems the active firewall service depends on the distribution. On Ubuntu or Debian you often check with ufw…
Using a Jump Host (Bastion Host) for SSH (Secure Shell)
When managing remote servers, SSH (Secure Shell) is the go-to protocol for secure, encrypted connections. However, in enterprise environments, direct…
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