From 7e54b14a4c26404b64b58788bf8d6784ceb7a9e3 Mon Sep 17 00:00:00 2001
From: ChowRex <zrx879582094@gmail.com>
Date: Mon, 13 Feb 2023 16:18:01 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=93=96Sync=20English=20version=20intro?=
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Add the `systemd` script to install agent on DSM7
---
 docs/en_US/guide/agent.md | 44 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/docs/en_US/guide/agent.md b/docs/en_US/guide/agent.md
index 0009ccb4..833053db 100644
--- a/docs/en_US/guide/agent.md
+++ b/docs/en_US/guide/agent.md
@@ -137,6 +137,50 @@ EOF
 ### Installing Agent on Synology DSM
 - Please refer to the community article: 
 [哪吒探针——群晖客户端（被控端）安装教程](https://wl.gta5pdx.cn/archives/546/)(Chinese)  
+
+- Using Systemd *Only available on DSM7*:
+  ```sh
+  # Path of the agent binary file.
+  EXEC="/PATH/TO/nezha-agent"
+  # Path of the agent's log.
+  LOG="${EXEC}.log"
+  # Extend arguments, can be blank.
+  ARGS="--disable-command-execute"
+  # The address of nezha server's GRPC.
+  SERVER="HOST_OR_IP:GRPC_PORT"
+  # The token of host.
+  SECRET="APP_SECRET"
+  # Specify `run_as` user. * Strongly suggest NOT use `root`! *
+  RUN_USER="nezha"
+  # Create the service file.
+  cat << EOF > /usr/lib/systemd/system/nezha.service
+  [Unit]
+  Description=Nezha Agent Service
+  After=network.target
+  [Service]
+  Type=simple
+  ExecStart=/bin/nohup ${EXEC} ${ARGS} -s ${SERVER} -p ${SECRET} &>> ${LOG} &
+  ExecStop=ps -fe |grep nezha-agent|awk '{print \$2}'|xargs kill
+  User=${RUN_USER}
+  Restart=on-abort
+  [Install]
+  WantedBy=multi-user.target
+  EOF
+  # Reload services
+  systemctl daemon-reload
+  # Start the agent service
+  systemctl start nezha
+  # Enable auto-start
+  systemctl enable nezha
+  ```
+  ‼️DO IT WHEN YOU HAVE MODIFIED THE ENVS‼️
+  
+  ‼️DO IT WHEN YOU HAVE MODIFIED THE ENVS‼️
+  
+  ‼️DO IT WHEN YOU HAVE MODIFIED THE ENVS‼️
+  
+  Using `root` to execute command above, that's all.
+
 <br/> 
 
 ### Installing Agent on MacOS