Posted inNetwork
Mastering Bettercap: My Real-World Approach to Auditing LAN Vulnerabilities
A guide on using Bettercap for device discovery, protocol analysis, and real-world LAN security vulnerability testing for IT Engineers.
Posted inVMware
vNUMA Configuration: The Secret to Fixing Slow ‘Beast’ VMs on VMware vSphere
Large VMs running slow are often due to vNUMA misalignment. Learn how to align Virtual NUMA with physical CPUs on vSphere to reduce RAM latency and boost app performance by 20-30%.
Posted inUbuntu
Deploying GlusterFS on Ubuntu: A Cost-Effective Distributed Storage Solution
Eliminate the fear of data loss from server crashes. This detailed guide on building a GlusterFS distributed storage cluster on Ubuntu Server ensures 24/7 availability.
Posted inFedora
Mastering OpenSCAP on Fedora: Vulnerability Scanning and PCI-DSS/STIG Security Auditing
A guide to using OpenSCAP on Fedora to automate vulnerability scanning and PCI-DSS/STIG compliance. A solution that saves SysAdmins 90% of security audit time.
Posted inNetwork
Microsecond Time Synchronization on Linux with PTP: When NTP is Not Enough
NTP is no longer enough for 5G or HFT systems. Learn how to configure PTP (IEEE 1588) on Linux to achieve microsecond accuracy using linuxptp.
Posted inVMware
Automating VMware Inventory with Python: Don’t Let Excel Be a Pain
Stop clicking through every virtual machine on vSphere. Use a Python script and pyVmomi to scan 300+ VMs and export configuration reports in seconds.
Posted inSecurity
Using systemd-analyze security to Harden Linux Services: From 9.6 to 2.0 in 5 Minutes
Don't let your services run with loose root privileges. Learn how to use systemd-analyze security to score and harden Linux service security in a few simple steps.
Posted inCentos
Hands-on XFS Administration on CentOS Stream 9: Mastering the xfs_progs Toolkit
Master the XFS file system on CentOS Stream 9 using the xfs_progs toolkit. Detailed guide on online disk expansion, troubleshooting, and performance optimization for large-scale systems.
Posted inUbuntu
Using debsums to Verify Ubuntu Integrity: Don’t Let Rootkits Nest on Your Server
Don't let your server be compromised without your knowledge. Learn how to use debsums to check Ubuntu system file integrity and detect malware or data errors fast.
Posted inUbuntu
Mastering Byobu on Ubuntu: Manage Terminal Like a Pro Without Memorizing Complex Tmux Shortcuts
Forget complex Tmux commands; Byobu is the ultimate terminal management solution for Ubuntu. Learn how to install, use F2-F12 shortcuts, and keep SSH sessions alive.