improve systemd relation config

deploy/build/rustfs.run.md

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+# RustFS Service Installation Guide
+
+## 1. Prerequisites
+
+### 1.1 Create System User
+
+```bash
+# Create rustfs system user and group without login shell
+sudo useradd -r -s /sbin/nologin rustfs
+```
+
+### 1.2 Create Required Directories
+
+```bash
+# Create program directory
+sudo mkdir -p /opt/rustfs
+
+# Create data directories
+sudo mkdir -p /data/rustfs/{vol1,vol2}
+
+# Create configuration directory
+sudo mkdir -p /etc/rustfs
+
+# Set directory permissions
+sudo chown -R rustfs:rustfs /opt/rustfs /data/rustfs
+sudo chmod 755 /opt/rustfs /data/rustfs
+```
+
+## 2. Install RustFS
+
+```bash
+# Copy RustFS binary
+sudo cp rustfs /usr/local/bin/
+sudo chmod +x /usr/local/bin/rustfs
+
+# Copy configuration file
+sudo cp obs.yaml /etc/rustfs/
+sudo chown -R rustfs:rustfs /etc/rustfs
+```
+
+## 3. Configure Systemd Service
+
+```bash
+# Copy service unit file
+sudo cp rustfs.service /etc/systemd/system/
+
+# Reload systemd configuration
+sudo systemctl daemon-reload
+```
+
+## 4. Service Management
+
+### 4.1 Start Service
+
+```bash
+sudo systemctl start rustfs
+```
+
+### 4.2 Check Service Status
+
+```bash
+sudo systemctl status rustfs
+```
+
+### 4.3 Enable Auto-start
+
+```bash
+sudo systemctl enable rustfs
+```
+
+### 4.4 View Service Logs
+
+```bash
+# View real-time logs
+sudo journalctl -u rustfs -f
+
+# View today's logs
+sudo journalctl -u rustfs --since today
+```
+
+## 5. Verify Installation
+
+```bash
+# Check service ports
+ss -tunlp | grep 9000
+ss -tunlp | grep 9002
+
+# Test service availability
+curl -I http://localhost:9000
+```