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…
Mastering the mitmproxy (MITM interactive HTTPS Proxy) on Linux
In this post I want to show step by step how we can install the mitmproxy on different Linux distributions…
Linux handles SSH and SFTP Port Specification different
When working with SSH and SFTP, you may have noticed a curious difference in how ports are specified: SSH uses…
Set up a SFTP Server on SUSE Linux Enterprise Server
In this post we will see step by step how we can set up a SFTP Server on SLES 15…
Run your App as Unix Daemon in Ubuntu
In this post we will see how we can run a custom app (executable) as daemon (service) on Ubuntu. To…
Run a .NET Core C# Console App on Ubuntu
In this post we will see how we can run a .NET Core Console App on Ubuntu. Therefore I will…
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Modern Azure Deployments with Terraform & GitHub – Part 3 – Automating Terraform CI/CD Workflows with GitHub Actions
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