Posted inNetwork
Termshark: Wireshark-style Packet Analysis Directly on the Linux Terminal
Forget about downloading pcap files. With Termshark, you can analyze packets with a Wireshark-like interface directly on your Linux Terminal via SSH.
Posted inVMware
Mastering ESXi Firewall with esxcli: From Manual Administration to Automation
Managing ESXi Firewall via GUI is slow and error-prone. Learn to use esxcli to open ports, block IPs, and professionally automate VMware host security.
Posted inDocker
Say Goodbye to Crontab: Managing Docker Cron Jobs More Professionally with Ofelia
A detailed guide on using Ofelia to manage Docker Cron Jobs. Replace traditional Crontab with a powerful Docker-native solution featuring Slack alerts and Label-based management.
Posted inFedora
Speed Up Fedora Updates: Building a Local DNF Mirror to Save Bandwidth and Time
A detailed guide on building a Local DNF Mirror for Fedora to speed up package updates and save international bandwidth. The perfect solution for multi-server Lab systems.
Posted inVirtualization
Site-to-Site VPN Between Two Proxmox VE Clusters via WireGuard: Fast, Lightweight, and Rock-Solid
Forget OpenVPN! A detailed guide on setting up Site-to-Site VPN for Proxmox VE using WireGuard to achieve maximum speed and minimum latency.
Posted inLinux
Handling YAML on Linux: Why yq is the Perfect Replacement for sed and awk?
Stop using sed/awk to edit YAML files. A detailed guide on using yq on Linux to manage Kubernetes and Docker Compose configurations safely and professionally.
Posted inLinux
Mount Remote Directories with SSHFS: Code Directly on Your Server Like a Local Drive
Forget FTP/SCP. SSHFS lets you mount server directories directly to your local machine. Edit remote files using VS Code seamlessly and securely via SSH.
Posted inCentos
CentOS Stream 9: Installing FreeIPA Client for Centralized Management of 500+ Users
Installing FreeIPA Client on CentOS Stream 9 is straightforward if you master DNS and NTP rules. This guide covers quick domain joining and centralized Sudoers configuration.
Posted inVMware
Upgrading VM Hardware Version: Don’t Let Your VMs Struggle on Modern vSphere
Upgrading Virtual Machine Hardware Version not only expands RAM/CPU limits but also optimizes I/O. Learn the safe upgrade process and expert tips on licensing and network issues.
Posted inVMware
Eliminate ‘Noisy Neighbor’ Issues with VMware SIOC: Protecting Bandwidth for Critical VMs
No more Noisy Neighbor headaches! A detailed guide on configuring VMware vSphere SIOC to protect IOPS for critical VMs like SQL and ERP, based on real-world experience.