March 2026

Month Overview

Focus Areas: VyOS migration, ISE TAC case, CLI mastery, Monad SIEM evaluation

Status: Active

Key Themes

  • VyOS Migration - Cut over from pfSense to VyOS for routing/DHCP/DNS

  • ISE Operations - TAC case, MNT health, EAP-TLS troubleshooting

  • CLI Mastery - Advanced bash patterns, process substitution, awk/sed drills

  • Documentation - Codex expansions (PowerShell, Bash, networking)

Entries

Week 1 (Mar 1-2)

Date Type Description

03-01

Worklog

RHCSA study, kvm-02 IPMI config, Supermicro hardware docs

03-02

Worklog

HA infrastructure deployment, iPSK testing prep

Week 2 (Mar 3-9)

Date Type Description

03-03

Worklog

PowerShell codex enhancements, documentation restructuring

03-05

Worklog

ISE 3.5 Migration, IPMI troubleshooting, runbook updates

03-06

Worklog

WLC HA SSO troubleshooting, WLC-02 single NIC fix

03-07

Worklog

VyOS migration cutover, WLC kvm-02 migration, AP join fix

03-08

Worklog

iPSK Manager ISE ODBC integration, VyOS migration continuation

03-09

Worklog

VyOS Deep Dive, VRRP HA Testing, Wazuh Recovery

03-09

Report

Week of 2026-03-03 to 2026-03-09

Week 3 (Mar 10-16)

Date Type Description

03-11

Worklog

netapi CLI expansion, Monad/GitHub/GitLab/Gitea integration

03-12

Worklog

EAP-TLS chain fix, Vocera triage, Monad evaluation, TAC case

03-13

Worklog

WiFi DHCP failure investigation, RCA process

03-14

Worklog

Remote work, backlog audit, Ubuntu installs

03-15

Worklog

Weekend - X1 Carbon installs, regex training, backlog audit

03-16

Worklog

ISE incident prep, P50 Ubuntu migration, Steam dependency hell

Week 4 (Mar 17-23)

Date Type Description

03-17

Worklog

Carryover backlog attack, P50 Steam test, professional priorities

03-18

Worklog

Don Quijote migration (126 chapters), chapter template enhancements

03-19

Worklog

Don Quijote DELE practice, lab notebook system, nav sync automation

03-20

Worklog

OpenClaw evaluation, regex carryover, DELE writing practice

03-21

Worklog

adoc script portability, PDF dark theme, regex carryover

03-22

Worklog

Partials attribute split, antora.yml maintenance, gopass v3 org

03-23

Worklog

Sustainable worklog system, modular partials architecture

03-23

Document

Session knowledge capture (Termux, Vault SSH, gopass, DELE)

Week 5 (Mar 24-30)

Date Type Description

03-24

Worklog

Claude Code course, AsciiDoc mentoring, carryover audit

03-25

Worklog

Heavy carryover, Claude Code Features implementation

03-26

Worklog

netapi commercialization push, API mastery curriculum

Highlights

Infrastructure

  • VyOS cutover - Migrated from pfSense to VyOS for router/firewall

  • BIND HA - bind-01 + bind-02 with AXFR zone transfers

  • Vault HA - vault-01/02/03 Raft cluster

Work (CHLA)

  • ISE TAC Case - S1 case for ~500 endpoint auth failures

  • Root cause - MNT RabbitMQ at 109% CPU, resolved via node reboot

  • Documentation - TAC case prep template with MNT diagnostics

CLI Mastery

  • Process substitution - diff <() <() patterns

  • comm - Set operations for file comparison

  • Advanced awk - Field extraction, pattern matching, NR/NF

Documentation

  • PowerShell codex - Network, AD, certificates, remoting

  • Bash codex - Math, streams, ANSI, jq/yq patterns

  • Networking - nmcli, ip command, ss, troubleshooting

Carried Forward

Items still pending at end of March:

  • k3s NAT verification (since 03-09)

  • Wazuh indexer recovery

  • PacketFence VM deployment

  • Keycloak rebuild

Statistics

Metric Count

Worklogs

26

Documents

1

Reports

1

Case Studies Created

7

RCAs

3

Last updated: 2026-04-08