How to Shrink a Linux VMware vSphere Virtual Disk (VMDK) and Its Associated Logical Volume
Allocating additional storage to a virtual machine in VMware vSphere is straightforward, you simply increase the size of the virtual…
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…
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…
Legacy Linux VMs and the udev NIC Trap: Why VMware Clones and OVF Exports Lose Networking
Whether you clone a legacy Linux VM (e.g. SLES11) in vSphere or export it as an OVF template and redeploy,…
Set up a Central Log Server with syslog-ng daemon on SUSE Linux Enterprise Server
Centralized logging is essential for monitoring, troubleshooting, and securing enterprise systems. On SUSE Linux Enterprise Server (SLES), the syslog-ng daemon…
resize2fs Superblock Checksum Error – What It Means and How to Fix It
After extending a logical volume (e.g., using LVM), it’s common to resize the filesystem to make use of the newly…
How to install Azure CLI on Linux
To install Azure CLI on SUSE/OpenSUSE, choose one of the following methods: For other distributions you will find in the…
How to install Azure PowerShell on Linux
To install Azure PowerShell on Linux we first need install PowerShell Core (PowerShell 7 or later) and then install the…
Mastering NFS Protocol Versions and analyze required Traffic
When firewalls are in place between NFS clients and servers, it can be complex when providing NFS version 3 and…
Mastering Expert Partitioning on SUSE Linux Enterprise Server 15
When installing SUSE Linux Enterprise Server (SLES), the installer usually suggests an automatic partitioning layout. While this works for most…
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