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2026-08-09 08:19:18 +08:00
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+# Gateway Restart in s6 Container
+
+## Problem
+
+`hermes gateway restart` refuses to run from inside the gateway process (prevents restart loops):
+
+```
+✗ Refusing to restart the gateway from inside the gateway process.
+This command was blocked to prevent restart loops.
+Use `hermes gateway restart` from a shell outside the running gateway.
+```
+
+## Solution: Kill + S6 Auto-Restart
+
+The gateway runs under s6 supervision in a Docker container. s6 auto-restarts services on exit.
+
+### Step 1: Find the gateway PID
+
+```bash
+ps aux | grep "hermes.*gateway\|gateway.*hermes" | grep -v grep
+# Look for: hermes gateway run --replace
+```
+
+### Step 2: Send SIGHUP (graceful) or SIGKILL (force)
+
+```bash
+kill -HUP <pid>    # Graceful — s6 will restart it
+# or
+kill -9 <pid>      # Force — use if HUP hangs
+```
+
+### Step 3: Verify restart
+
+```bash
+sleep 3
+ps aux | grep "hermes.*gateway" | grep -v grep
+# Should show a NEW PID (s6 restarted it)
+```
+
+### Step 4: Check logs for clean startup
+
+```bash
+tail -20 /opt/data/logs/gateway.log
+# Look for: "Starting Hermes Gateway...", platform connections
+```
+
+## When to Use This
+
+- After updating `config.yaml` or `.env` for the default profile
+- After `hermes -p <profile> config set ...` changes that need gateway reload
+- When gateway is in a bad state (OOM, stuck, 401 loop)
+- When running from inside the gateway process (TUI session, cron job, etc.)
+
+## Important Notes
+
+- **Do NOT use `nohup` or `&`** — s6 manages the lifecycle
+- **PID will change** — s6 spawns a new process; don't track the old PID
+- **Config reload is automatic** — gateway reads config.yaml on startup
+- **Platform reconnection** — Feishu, Weixin, etc. reconnect within ~5 seconds