Post-installation for Ubuntu 20 desktop ...     

Amazon Linux 2 - Setup & Configure ...     

VPN with StrongSwam ...     

VPN VyOS setup ...     

Steps to create a machine with dual-boot OS: Windows 10 and Ubuntu 18 ...     

Post-installation for Ubuntu 18 desktop ...     

How to setup Raspberry Pi as file server ...     

Post-installation for Lubuntu 16 desktop ...     

Common steps to trouble shoot the Grub booting problem ...     

Ubuntu 16 server note ...     

CentOS 7 Server note ...     

Ubuntu 14 -- server note ...     

Post-installation for Ubuntu 14 desktop ...     

Post-installation for Ubuntu 14 desktop - Part 2 ...     

Environment setup ...     

CentOS 6/7 Multi-Boot note ...     

Empower the vi with NeoVimn ...     

Empower Windows with modern PowerShell ...     

Empower Windows with Terminal ...