Completed
on 9 Jan 2026, 6:07 pm

Output

Systemd Zombie Prevention Added

COMMITTED 296e1b2a

Changes Made

/konnectvol/systemd/
├── kongate.service   +8 lines
└── konimage.service  +8 lines

New Settings

# Zombie process prevention (added 2026-01-09)
KillMode=mixed        # SIGTERM main, SIGKILL remaining
TimeoutStopSec=10   # Max 10s before force kill
SendSIGKILL=yes      # Ensure zombies are killed

Installation Required

The service files are updated in the repo but need to be copied to /etc/systemd/system/ to take effect:

# Copy new service files
sudo cp /konnectvol/systemd/kongate.service /etc/systemd/system/
sudo cp /konnectvol/systemd/konimage.service /etc/systemd/system/

# Reload systemd daemon
sudo systemctl daemon-reload

# Restart services (will use new settings)
sudo systemctl restart kongate konimage

# Verify changes applied
systemctl show kongate -p KillMode,TimeoutStopUSec

How It Prevents Zombie Loops

Setting Purpose
KillMode=mixed Sends SIGTERM to main process, SIGKILL to any child processes after timeout
TimeoutStopSec=10 If process doesn't exit in 10s, escalate to SIGKILL (instead of waiting forever)
SendSIGKILL=yes Guarantees SIGKILL is sent after timeout (some distros default to no)

With these settings, even if a Deno process becomes unresponsive, it will be forcibly killed within 10 seconds, freeing the port for the next restart.

Quick Actions

Original Request

No layout configured

Details

Type General
Status Completed
Scope product
Tags kongatekonimagesystemdinfrastructure
Created 9 Jan 2026, 6:07 pm
Updated 9 Jan 2026, 6:07 pm
Timing
⏱️ 88.5s
0 tools
TTFE 0% Thinking 100% Tools 0%
Created By claude

🔗 Git Commit

296e1b2a

Raw Data

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  "title": "Systemd Zombie Prevention Added - Install Required",
  "description": "Added KillMode=mixed and TimeoutStopSec=10 to kongate and konimage service files",
  "context": {
    "output": "<div style=\"background:#1e1e1e;color:#e0e0e0;padding:20px;border-radius:8px;font-family:'Consolas','Monaco',monospace;\">\n<h2 style=\"font-family:sans-serif;color:#fff;margin:0 0 16px 0;\">Systemd Zombie Prevention Added</h2>\n\n<p style=\"color:#98c379;font-size:14px;margin:0 0 16px 0;\"><span style=\"background:#22c55e;color:#fff;padding:2px 8px;border-radius:4px;font-weight:bold;\">COMMITTED</span> <code style=\"background:#2d2d2d;padding:2px 6px;border-radius:3px;margin-left:8px;\">296e1b2a</code></p>\n\n<h3 style=\"color:#61afef;margin:16px 0 8px 0;\">Changes Made</h3>\n<pre style=\"background:#2d2d2d;padding:16px;border-radius:6px;overflow-x:auto;line-height:1.8;color:#e0e0e0;\">\n<span style=\"color:#56b6c2;font-weight:bold;\">/konnectvol/systemd/</span>\n├── <span style=\"color:#e5c07b;\">kongate.service</span>   <span style=\"color:#98c379;\">+8 lines</span>\n└── <span style=\"color:#e5c07b;\">konimage.service</span>  <span style=\"color:#98c379;\">+8 lines</span>\n</pre>\n\n<h3 style=\"color:#c678dd;margin:16px 0 8px 0;\">New Settings</h3>\n<pre style=\"background:#2d2d2d;padding:16px;border-radius:6px;overflow-x:auto;line-height:1.8;color:#e0e0e0;\">\n<span style=\"color:#7f848e;\"># Zombie process prevention (added 2026-01-09)</span>\n<span style=\"color:#e5c07b;\">KillMode</span>=<span style=\"color:#98c379;\">mixed</span>        <span style=\"color:#7f848e;\"># SIGTERM main, SIGKILL remaining</span>\n<span style=\"color:#e5c07b;\">TimeoutStopSec</span>=<span style=\"color:#98c379;\">10</span>   <span style=\"color:#7f848e;\"># Max 10s before force kill</span>\n<span style=\"color:#e5c07b;\">SendSIGKILL</span>=<span style=\"color:#98c379;\">yes</span>      <span style=\"color:#7f848e;\"># Ensure zombies are killed</span>\n</pre>\n\n<h3 style=\"color:#f97316;margin:16px 0 8px 0;\">Installation Required</h3>\n<p style=\"color:#e0e0e0;line-height:1.6;\">The service files are updated in the repo but need to be copied to <code style=\"background:#2d2d2d;padding:2px 6px;border-radius:3px;\">/etc/systemd/system/</code> to take effect:</p>\n\n<pre style=\"background:#2d2d2d;padding:16px;border-radius:6px;overflow-x:auto;line-height:1.8;color:#e0e0e0;\">\n<span style=\"color:#7f848e;\"># Copy new service files</span>\n<span style=\"color:#61afef;\">sudo</span> cp /konnectvol/systemd/kongate.service /etc/systemd/system/\n<span style=\"color:#61afef;\">sudo</span> cp /konnectvol/systemd/konimage.service /etc/systemd/system/\n\n<span style=\"color:#7f848e;\"># Reload systemd daemon</span>\n<span style=\"color:#61afef;\">sudo</span> systemctl daemon-reload\n\n<span style=\"color:#7f848e;\"># Restart services (will use new settings)</span>\n<span style=\"color:#61afef;\">sudo</span> systemctl restart kongate konimage\n\n<span style=\"color:#7f848e;\"># Verify changes applied</span>\n<span style=\"color:#61afef;\">systemctl</span> show kongate -p KillMode,TimeoutStopUSec\n</pre>\n\n<h3 style=\"color:#98c379;margin:16px 0 8px 0;\">How It Prevents Zombie Loops</h3>\n<table style=\"width:100%;border-collapse:collapse;margin-top:8px;\">\n<tr style=\"border-bottom:1px solid #444;\">\n<th style=\"text-align:left;padding:8px;color:#61afef;\">Setting</th>\n<th style=\"text-align:left;padding:8px;color:#61afef;\">Purpose</th>\n</tr>\n<tr style=\"border-bottom:1px solid #333;\">\n<td style=\"padding:8px;\"><code style=\"color:#e5c07b;\">KillMode=mixed</code></td>\n<td style=\"padding:8px;\">Sends SIGTERM to main process, SIGKILL to any child processes after timeout</td>\n</tr>\n<tr style=\"border-bottom:1px solid #333;\">\n<td style=\"padding:8px;\"><code style=\"color:#e5c07b;\">TimeoutStopSec=10</code></td>\n<td style=\"padding:8px;\">If process doesn't exit in 10s, escalate to SIGKILL (instead of waiting forever)</td>\n</tr>\n<tr>\n<td style=\"padding:8px;\"><code style=\"color:#e5c07b;\">SendSIGKILL=yes</code></td>\n<td style=\"padding:8px;\">Guarantees SIGKILL is sent after timeout (some distros default to no)</td>\n</tr>\n</table>\n\n<p style=\"color:#7f848e;margin-top:20px;font-style:italic;\">With these settings, even if a Deno process becomes unresponsive, it will be forcibly killed within 10 seconds, freeing the port for the next restart.</p>\n</div>",
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        "label": "Check current",
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        "label": "Skip install",
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  "scope": "product",
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