How to Install and Configure msmtp on Kubuntu/Ubuntu (for Cron + Bash Alerts)
This guide shows how to install and configure msmtp on Kubuntu/Ubuntu so Bash scripts (including cron jobs) can send email alerts reliably. It is written for...
Access Github via SSH on Linux and Termux
GitHub SSH Setup Using OpenSSH (Linux / Raspberry Pi) This walkthrough shows how to configure OpenSSH so you can access GitHub using SSH (git clone, git...
Why Christmas Feels Different Now
Merry Christmas! Lately, Christmas feels… normal. Not bad. Not sad. Just quiet. And honestly, very different from how it felt growing up in the Philippines...
Proxmox Cleanup: Removing a Broken or Failed VM Installation (CLI)
Overview When a VM installation fails (for example, a broken OVF/OVA import such as a Cisco vWLC), Proxmox may leave behind: A VM configuration LVM disks...
Setup vsftpd Docker Container for Raspberry Pi
Dockerized vsftpd on Raspberry Pi (arm64) A complete, reusable walkthrough for deploying vsftpd in Docker with: Multiple storage mount points Read-only and...
Remove Old Aliases in Linux
How to Remove an Alias in Linux Remove an alias in the current shell session If you only want to remove an alias temporarily (until you close the terminal),...
When Your Dream Job Isn’t Worth Your Mental Health
Tomorrow is my last day in the account, and I’ve been sitting with a mix of emotions that I’m still trying to make sense of. I’m sad—really sad—because being...
Cisco AP Config Snippets (WLC Join, TFTP, IOS)
Work notes for configuring Cisco Wireless APs. Common checks and image load steps. Check IP and CAPWAP join state show capwap ip config show capwap client...
Deco M5 TS and Forcing Wi-Fi to 5G on Linux
Troubleshooting Deco M5 Wi-Fi Speed and Forcing 5 GHz on Linux Overview This guide explains common causes of reduced Wi-Fi speeds when using a Deco M5 system...
Cisco CLI Reference Commands
Collection of useful Cisco CLI commands I frequently use and want handy. Enable IP SLA Features license boot module c1900 technology-package datak9 Reset IP...
Deluge Password Reset
Intro Step-by-Step: Reset Deluge Web UI Password. As Instructed by ChatGPT, which worked for ME! Stop the Deluge Web UI service sudo systemctl stop deluged...
Why Some People Shouldn’t Be in Leadership: A Personal Work Experience
I had an interesting—and honestly, exhausting—realization recently: not everyone who holds a leadership position deserves to be there. And sometimes, the...
Server Hardening Quickstart (SSH, Passkeys, Fail2ban)
Practical hardening steps for an internet-facing Linux box (tested on Debian/Ubuntu). Adjust paths and package managers as needed. Before you start Replace...
Linux Commands & Snippets
Interface Priority on Linux sudo nmcli connection modify 'enter ssid here' ipv4.route-metric 50 sudo nmcli connection up 'enter ssid here' Install sudo on...
Cisco Packet Tracer Install Fix — Ubuntu 23.10 / 24.04
Problem Packet Tracer fails to install with: Dependency is not satisfiable: libgl1-mesa-glx Quick Fix Download dependency packages Grab the .deb files listed...
LTO Motorcycle Registration – 2025 Renewal Experience
Location: LTO Parañaque Purpose: Annual Motorcycle Registration Renewal Vehicle: Motorcycle Requirements Checklist Tick each item before going to LTO. CTPL...
How to Lock / Unlock Your Globe Landline Phone
Quick Reference Function What It Does Dial Sequence Example Lock NDD & IDD Blocks National & International calls #570 2 PIN # #57021234# Lock IDD Only Blocks...