claudetools/session-logs/2026-05-24-GURU-KALI-session.md

Session Log — 2026-05-24 (GURU-KALI, continued)

User

• User: Mike Swanson (mike)
• Machine: GURU-KALI
• Role: admin

Continues 2026-05-24-session.md. Namespaced per-machine: the shared dated log conflicted repeatedly today across GURU-KALI / GURU-5070 / MacBook (concurrent EOF appends), so this machine's later updates live here to avoid merge conflicts.

Update: 12:16 MST — Merges live, fleet auto-update confirmed, ProtectSystem bugs, repo hygiene, straggler fix

Session Summary

Merged the three GuruRMM PRs to production main, confirmed the fleet auto-update path end to end, fixed two ProtectSystem=strict bugs the hardened unit introduced, hardened ClaudeTools against recurring garbled-filename cruft, and cleared a stuck agent.

PRs #13 (Linux tray IPC+GTK), #14 (Phase 4 peer-cred authz + real actions), and #21 (self-update ReadWritePaths) were all merged to azcomputerguru/gururmm main. SSH access to Saturn (172.16.3.30) was established from GURU-KALI by generating an ed25519 key and authorizing it via the vaulted SSH password, enabling direct build-server diagnostics. The pipeline published 0.6.37 (from #13/#14) and GURU-KALI auto-updated 0.6.29 -> 0.6.37 (130 MB dev build replaced by the 4 MB signed release), confirming the full chain.

Two ProtectSystem=strict bugs surfaced on GURU-KALI's recently-hardened unit: (1) the IPC socket needed RuntimeDirectory=gururmm (fixed in #13), and (2) the self-updater could not write the backup (/etc/gururmm) or the replaced binary (/usr/local/bin) — "Failed to backup current binary". Fixed by widening ReadWritePaths to /var/log /usr/local/bin /etc/gururmm (GURU-KALI unit patched directly; template fix = Issue #20 + PR #21, merged).

In ClaudeTools, removed 5 garbled tracked files (Windows paths stored with Unicode PUA substitutes) and added a purge guard to sync.sh, plus a PreToolUse(Bash) hook (block-backslash-winpath.sh) that blocks backslashed-Windows-path redirects — the root cause (Git Bash strips backslashes and PUA-substitutes ':'). jq was installed on GURU-KALI (hooks need it).

The "fleet remediation" turned out unnecessary: only GURU-KALI had the hardened unit; Saturn/ix/Jupiter run old ProtectSystem=false units and updated fine. SL-SERVER (Scileppi, dead 5 months, now a Synology) was deleted from the RMM. The #21 merge build was debounced (a concurrent auto-bump build held the lock), so an empty commit (fee5d7e) re-fired the webhook -> building 0.6.38 with the fix. Finally, the one online straggler RECEPTIONIST-PC (Cascades, stuck on 0.6.29 due to a flaky WebSocket that misses auto-dispatch windows) was force-updated via the API to 0.6.37.

Key Decisions

• Fixed my own SSH access (per user instruction) via ed25519 key + vaulted password rather than asking for credentials — gives durable key auth to Saturn for build diagnostics.
• ReadWritePaths needs BOTH /usr/local/bin AND /etc/gururmm — verified from the updater code (backup -> config_dir=/etc/gururmm, replace -> /usr/local/bin); the /usr/local/bin-only first attempt still failed.
• Did NOT push a fleet remediation — investigation showed only GURU-KALI had the broken hardened unit; the others (ProtectSystem=false) self-update fine. Pushing a needless restart to client servers was avoided.
• Backslash hook ignores quoted strings — it quote-strips the command first so the pattern inside commit messages / echoes doesn't false-trigger (the hook caught its own commit message during testing); dropped a second check that re-introduced the false positive.
• Empty commit to re-trigger the debounced build (vs manual build-agents.sh) — keeps it pipeline-driven and traceable; auto-bump then correctly produced 0.6.38.
• Force-triggered RECEPTIONIST-PC rather than waiting — confirmed the update mechanism works for it and that the real issue is WS instability, not policy/server.

Problems Encountered

• Session log had committed merge-conflict markers (multiple machines appended 2026-05-24-session.md). Resolved by removing the 3 marker lines (union of both sides kept).
• kill -0 false "zombie lock" — checking a root-owned build PID as guru returned permission-denied, misread as dead. The build was alive (waiting on Pluto). Corrected; no lock was cleared.
• GURU-KALI auto-update failed twice ("Failed to backup current binary") under ProtectSystem=strict — fixed by widening ReadWritePaths (both paths).
• #21 merge produced no rollout — its webhook was debounced by a concurrent build; the published 0.6.37 lacked the fix (confirmed via strings on the binary). Re-triggered with an empty commit -> 0.6.38.
• pkill aborting compound bash commands (exit 144) repeatedly — ran affected steps separately.
• Foreground sleep blocked by the harness mid-poll — switched to immediate checks / background watchers.

Configuration Changes (this update)

GuruRMM (azcomputerguru/gururmm):

• PR #21 merged: agent/src/main.rs systemd unit template ReadWritePaths -> /var/log /usr/local/bin /etc/gururmm (merge 175b7f5).
• Empty commit fee5d7e to re-trigger the build (0.6.38).

ClaudeTools (committed a3c7064, 6d065cf):

• Removed 5 garbled tracked files (C:\ProgramData\gp_user.txt, D:...\current-mode, 3 script fragments).
• .claude/scripts/sync.sh — added purge_garbled_paths() before each git add -A.
• .claude/hooks/block-backslash-winpath.sh (new) — PreToolUse(Bash) guard.
• .claude/settings.json — wired the PreToolUse hook (matcher Bash).
• .claude/CLAUDE.md — Windows mode-write note.
• .claude/machines/guru-kali.md — Rust, GTK build libs, passwordless sudo, gururmm clone, jq, enrolled-agent note.

Machine-level (GURU-KALI):

• ~/.ssh/id_ed25519 (new keypair, no passphrase) authorized on guru@172.16.3.30.
• jq 1.8.1 installed (apt).
• /etc/systemd/system/gururmm-agent.service — ReadWritePaths widened + RuntimeDirectory (applied directly); agent now on 0.6.37.

RMM data:

• Deleted agent SL-SERVER (id 2585f6d5-3887-412e-a586-1dec030f0a40).
• Force-update RECEPTIONIST-PC (9c91d324...) 0.6.29 -> 0.6.37.

Credentials & Secrets (this update)

• GURU-KALI SSH key: ~/.ssh/id_ed25519 (ed25519, no passphrase). Public key: ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHd5ZblkziRIOI+57C4y7OkV3DvxlqmAe7VyBgPIYsyy guru@GURU-KALI Authorized in guru@172.16.3.30:~/.ssh/authorized_keys.
• All other creds used are vaulted (paths only, no values transcribed):
  • Saturn SSH/sudo password: infrastructure/gururmm-server.sops.yaml -> credentials.password.
  • RMM API admin: same file -> credentials.gururmm-api.admin-email (claude-api@azcomputerguru.com) / credentials.gururmm-api.admin-password.
  • Gitea API token: services/gitea.sops.yaml -> credentials.api.api-token.

Infrastructure & Servers (this update)

• Saturn 172.16.3.30 = hostname gururmm, Ubuntu 22.04 (kernel 5.15) — build server + RMM API (:3001) + PostgreSQL gururmm + ClaudeTools MariaDB + coord API (:8001). SSH key auth (guru) now works.
• Pluto 172.16.3.36 (Administrator) — Windows build + Authenticode signing; build-agents.sh SSHes to it (5 cargo targets + WiX MSI). Reachable.
• Build pipeline: webhook (172.16.3.30:9000 / /webhook/build) -> /opt/gururmm/build-agents.sh; lock /var/run/gururmm-build.lock; log /var/log/gururmm-build.log; artifacts /var/www/gururmm/downloads/ (e.g. gururmm-agent-linux-amd64-<ver>, -latest symlink). Per-component auto-version bump.
• Auto-update: server scanner every 300s; dispatched over WebSocket on heartbeat; gated on effective_policy auto_update (default on when policy null). Linux config_dir /etc/gururmm (backup + pending-update.json); binary /usr/local/bin/gururmm-agent; temp download via PrivateTmp.
• RECEPTIONIST-PC (Cascades of Tucson / site CascadesTucson): agent 9c91d324-1073-449c-8cc0-45c5bccfc218, Windows 11 (22631) amd64. Flaky WS ("Connection reset without closing handshake"), ~3 connects/6h.

Commands & Outputs (this update)

# SSH access self-fix
ssh-keygen -t ed25519 -N "" -f ~/.ssh/id_ed25519 -C "guru@GURU-KALI"
SSHPASS="$(vault get-field infrastructure/gururmm-server.sops.yaml credentials.password)" \
  sshpass -e ssh-copy-id -i ~/.ssh/id_ed25519.pub guru@172.16.3.30   # Number of key(s) added: 1

# RMM API (auth + enumerate + force update)
TOKEN=$(curl -s -X POST $API/auth/login -d '{"email":..,"password":..}' | jq -r .token)
curl -s $API/agents -H "Authorization: Bearer $TOKEN" | jq ...          # 56 -> 55 agents
curl -s -X DELETE $API/agents/2585f6d5-... -H "Authorization: Bearer $TOKEN"  # HTTP 204 (SL-SERVER)
curl -s -X POST   $API/agents/9c91d324-.../update -H "Authorization: Bearer $TOKEN"
#   -> {"success":true,"target_version":"0.6.37","message":"Update triggered: 0.6.29 -> 0.6.37"}
#   server: reconnected after update: 0.6.29 -> 0.6.37  (landed in ~37s despite a WS reset)

# Build re-trigger (debounced merge)
git commit --allow-empty -m "chore: re-trigger agent build ..." && git push origin main  # fee5d7e
#   build log: "Agent: 0.6.37 -> 0.6.38" / "Building version: 0.6.38"

# Session-log conflict cleanup
sed -i '228d;451d;534d' session-logs/2026-05-24-session.md   # removed <<<<<<< ======= >>>>>>>

Pending / Incomplete Tasks (this update)

• Fleet watcher running (/tmp/gururmm-fleet-watch.sh, ~60 min): waits for 0.6.38 to publish, then confirms fleet convergence; will report + flag laggards.
• RECEPTIONIST-PC WS instability (Cascades site) — durable fix pending; it will likely lag 0.6.38 too unless its WS is up. Force-trigger again as needed, or investigate the site firewall/NAT killing the long-lived WebSocket.
• Open GuruRMM issues: #15 pipeline tray build, #16 Windows IPC peer authz, #17 logind console user, #18 macOS tray, #19 subscriber broadcast. (#20 closed by #21.)
• Session-log multi-machine conflicts: 2026-05-24-session.md conflicted across machines; consider per-machine namespacing for same-day logs.

Reference Information (this update)

• GuruRMM merges: PR #13, #14, #21 (#21 commit 72b8510, merge 175b7f5; closed Issue #20). Re-trigger empty commit fee5d7e. Building 0.6.38.
• Versions: 0.6.37 published/fleet; 0.6.38 building.
• Agent ids: GURU-KALI a73ba38e-cd02-4331-b8bf-474cd899ec22, Saturn 8cd0440f-a65c-4ed2-9fa8-9c6de83492a4, RECEPTIONIST-PC 9c91d324-1073-449c-8cc0-45c5bccfc218. Deleted SL-SERVER 2585f6d5-3887-412e-a586-1dec030f0a40.
• ClaudeTools commits: a3c7064 (garbled cleanup + sync.sh guard), 6d065cf (backslash hook + CLAUDE.md note).
• Issues/PRs: https://git.azcomputerguru.com/azcomputerguru/gururmm/issues/{15..19}, /pulls/{13,14,21}.

---

Update: 12:33 MST — fleet converged 0.6.38; laggards noted in coord

The re-triggered build published 0.6.38 and the fleet converged to 37/39 online on 0.6.38 within ~10 min (1 -> 32 -> 36 -> 37). Two laggards remain one version back on 0.6.37 (flaky WebSockets that miss the auto-update dispatch window; mechanism works, force-update lands when WS is up):

• BB-SERVER (BirthBiologic) id 6c02baa7-0f1c-4990-b466-c9ab9eaefd3b
• RECEPTIONIST-PC (Cascades of Tucson) id 9c91d324-1073-449c-8cc0-45c5bccfc218

Noted for future rechecks in the coord messenger (to=mike, project=gururmm, msg id a254202a-aa33-4736-ba9c-cd5678dbef58): recheck their versions; if still behind latest, force-update via POST /api/agents/{id}/update; durable fix = investigate the client-site firewall/NAT resetting the long-lived WebSocket. All watchers finished; none running.

---

Update: 17:55 MST — Xfce lock-screen disabled + machine-doc note + community how-to published

Session Summary

Disabled the lock screen on idle/screen-timeout on GURU-KALI (Kali/Xfce) per user request, documented it in the machine doc, and published the fix as a how-to on the community site.

The lock came from xfce4-screensaver (the only locker installed — no light-locker / xscreensaver / gnome-screensaver; xfce4-power-manager already had lock-screen-suspend-hibernate=false). The catch: the screensaver's lock keys were NOT present in xfconf, so the daemon used its compiled default of lock = on. Fixed by creating them set to false (-n creates a missing property). Change is live (the running daemon, PID 2566, watches xfconf) and persisted to the per-user XML, surviving reboot. Screen blanking was left intact — only the password prompt is gone.

Recorded the change in .claude/machines/guru-kali.md Notes (flagged "INTENTIONALLY DISABLED — do NOT re-enable" with the exact keys) so a future session does not undo it; committed/pushed (e5c31f8). Then turned it into a public how-to via the /forum-post skill — drafted from this session, previewed, and on confirmation inserted into Flarum on IX via paramiko → PHP/PDO. Live as discussion #12.

Key Decisions

• Disabled the lock only, not screen blanking — user asked only about the lock prompt; the saver/DPMS still blank the screen on idle.
• Created the xfconf keys with -n rather than expecting them to exist — they default to lock-on when absent, which is why GUI toggles appeared to do nothing.
• Flagged the change "do NOT re-enable" in the machine doc — it is an intentional deviation a future session/agent might otherwise "fix."
• Published via the forum-post DB-insert path (paramiko → PHP/PDO on IX), per the skill — external HTTP is Cloudflare-blocked and localhost curl has a redirect issue.

Configuration Changes (this update)

Machine-local (GURU-KALI, not in repo):

• xfce4-screensaver xfconf: /lock/enabled=false, /lock/saver-activation/enabled=false, /lock/sleep-activation=false. Persisted in ~/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-screensaver.xml.
• xfce4-power-manager: lock-screen-suspend-hibernate=false (confirmed, already set).

ClaudeTools (committed e5c31f8):

• .claude/machines/guru-kali.md — Notes entry: lock-on-timeout intentionally disabled, with keys + do-not-re-enable.

Community site:

• Flarum discussion #12 / post #11 inserted (tag 7, How-Tos & Tips).

Credentials & Secrets (this update)

• No new secrets. Used vaulted creds only: IX SSH password infrastructure/ix-server.sops.yaml -> credentials.password; Flarum DB password is embedded in the forum-post skill (Fl@rum2026!CGS, db azcompu_flarum). The local publish script (which embedded the DB password) was deleted from /tmp after posting.

Infrastructure & Servers (this update)

• IX 172.16.3.10 (root) — hosts the Flarum community forum (community.azcomputerguru.com), MySQL db azcompu_flarum (user azcompu_flarum), admin user_id 1 (MikeSwanson). Posts inserted via paramiko SSH + PHP/PDO (s9e TextFormatter XML), tags table; default tag 7 = How-Tos & Tips.

Commands & Outputs (this update)

# disable the lock (created the keys; they were absent -> defaulted to on)
DISPLAY=:0.0 DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus \
  xfconf-query -c xfce4-screensaver -p /lock/enabled -n -t bool -s false
# (+ /lock/saver-activation/enabled, /lock/sleep-activation = false)
xfconf-query -c xfce4-screensaver -p /lock/enabled    # -> false (daemon picked it up live)

# publish: /forum-post skill -> rc=0
#   Discussion ID: 12 / Post ID: 11

Pending / Incomplete Tasks (this update)

• None for this segment. (Carried over: laggards BB-SERVER + RECEPTIONIST-PC on 0.6.37 noted in coord msg a254202a; GuruRMM issues #15-19 open.)

Reference Information (this update)

• Forum post: https://community.azcomputerguru.com/d/12-disable-the-xfce-screen-lock-on-idle-timeout-without-losing-the-screensaver (discussion 12, post 11, tag 7)
• ClaudeTools commit: e5c31f8 (machine-doc note)
• xfconf XML: ~/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-screensaver.xml