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251 lines
7.8 KiB
Markdown
251 lines
7.8 KiB
Markdown
---
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title: skywalking
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---
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<!--
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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-->
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## Summary
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- [**Name**](#name)
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- [**Attributes**](#attributes)
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- [**How To Enable**](#how-to-enable)
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- [**Test Plugin**](#test-plugin)
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- [**Run Skywalking Example**](#run-skywalking-example)
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- [**Disable Plugin**](#disable-plugin)
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- [**Upstream services(Code With SpringBoot)**](#Upstream-services(Code-With-SpringBoot))
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## Name
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[**Skywalking**](https://github.com/apache/skywalking) is an OpenTracing plugin.\
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The skywalking server can supports both http and grpc protocols. The APISIX client only support http protocols.
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## Attributes
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| Name | Type | Requirement | Default | Valid | Description |
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| ------------ | ------ | ----------- | -------- | ------------ | -------------------------------------------------------------------- |
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| sample_ratio | number | required | 1 | [0.00001, 1] | the ratio of sample |
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## How To Enable
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First of all, enable the skyWalking plugin in the `config.yaml`:
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```
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# Add this in config.yaml
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plugins:
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- ... # plugin you need
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- skywalking
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```
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Then reload APISIX, a background timer will be created to report data to skywalking server.
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Here's an example, enable the skywalking plugin on the specified route:
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```shell
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curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
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{
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"methods": ["GET"],
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"uris": [
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"/uid/*"
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],
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"plugins": {
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"skywalking": {
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"sample_ratio": 1
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}
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},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"10.110.149.175:8089": 1
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}
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}
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}'
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```
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You can open dashboard with a browser:`http://127.0.0.1:9080/apisix/dashboard/`，to complete the above operation through the web interface, first add a route:\
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\
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Then add skywalking plugin:\
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## How to set endpoint
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We can set the endpoint by specified the configuration in `conf/config.yaml`.
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| Name | Type | Default | Description |
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| ------------ | ------ | -------- | -------------------------------------------------------------------- |
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| service_name | string | "APISIX" | service name for skywalking reporter |
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| service_instance_name | string |"APISIX Instance Name" | service instance name for skywalking reporter， set it to `$hostname` to get local hostname directly.|
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| endpoint_addr | string | "http://127.0.0.1:12800" | the http endpoint of Skywalking, for example: http://127.0.0.1:12800 |
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| report_interval | integer | use the value in the skywalking client library | the report interval, in seconds |
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Here is an example:
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```yaml
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plugin_attr:
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skywalking:
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service_name: APISIX
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service_instance_name: "APISIX Instance Name"
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endpoint_addr: http://127.0.0.1:12800
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```
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## Test Plugin
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### Run Skywalking Example
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#### e.g.
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1. Run Skywalking Server:
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- By default, use H2 storage, start skywalking directly
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```shell
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sudo docker run --name skywalking -d -p 1234:1234 -p 11800:11800 -p 12800:12800 --restart always apache/skywalking-oap-server:8.3.0-es6
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```
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- Of Course, you can use Elasticsearch storage
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1. Firstly, you should install Elasticsearch:
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```shell
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sudo docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 --restart always -e "discovery.type=single-node" elasticsearch:6.7.2
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```
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2. You can install ElasticSearch management page: elasticsearch-hq(Optional)
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```shell
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sudo docker run -d --name elastic-hq -p 5000:5000 --restart always elastichq/elasticsearch-hq
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```
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3. Run skywalking server:
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```shell
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sudo docker run --name skywalking -d -p 1234:1234 -p 11800:11800 -p 12800:12800 --restart always --link elasticsearch:elasticsearch -e SW_STORAGE=elasticsearch -e SW_STORAGE_ES_CLUSTER_NODES=elasticsearch:9200 apache/skywalking-oap-server:8.3.0-es6
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```
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2. Skywalking WebUI:
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1. Run SkyWalking webUI Server:
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```shell
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sudo docker run --name skywalking-ui -d -p 8080:8080 --link skywalking:skywalking -e SW_OAP_ADDRESS=skywalking:12800 --restart always apache/skywalking-ui
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```
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2. Open the webUI of skywalking:
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You can open dashboard with a browser: http://10.110.149.175:8080. It will be a successful install as follow:
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3. Test:
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- Access to upstream services through access apisix:
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```bash
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$ curl -v http://10.110.149.192:9080/uid/12
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HTTP/1.1 200 OK
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OK
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...
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```
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- Open the webUI of skyWalking:
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```shell
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http://10.110.149.175:8080/
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```
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You can see the topology of all service\
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\
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You can also see the tracer of all service\
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## Disable Plugin
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When you want to disable the skyWalking plugin on a route/service, it is very simple,
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you can delete the corresponding json configuration in the plugin configuration,
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no need to restart the service, it will take effect immediately:
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```shell
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$ curl http://127.0.0.1:2379/v2/keys/apisix/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d value='
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{
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"methods": ["GET"],
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"uris": [
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"/uid/*"
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],
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"plugins": {
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},
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"upstream": {
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"type": "roundrobin",
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"nodes": {
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"10.110.149.175:8089": 1
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}
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}
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}'
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```
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The skywalking plugin has been disabled now. It works for other plugins.
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If you want to disable skywalking plugin totally, for example, stop the background report timer,
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you need to comment out in the `config.yaml`:
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```yaml
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plugins:
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- ... # plugin you need
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#- skywalking
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```
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And then reload APISIX.
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## Upstream services(Code With SpringBoot)
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```java
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package com.lenovo.ai.controller;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpServletRequest;
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/**
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* @author cyxinda
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* @create 2020-05-29 14:02
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* @desc skywalking test controller
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**/
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@RestController
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public class TestController {
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@RequestMapping("/uid/{count}")
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public String getUidList(@PathVariable("count") String countStr, HttpServletRequest request) {
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System.out.println("counter:::::-----"+countStr);
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return "OK";
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}
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}
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```
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Configuring the skywalking agent, when starting the service.
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update the file of agent/config/agent.config
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```shell
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agent.service_name=yourservername
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collector.backend_service=10.110.149.175:11800
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```
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Run the script:
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```shell
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nohup java -javaagent:/root/skywalking/app/agent/skywalking-agent.jar \
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-jar /root/skywalking/app/app.jar \
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--server.port=8089 \
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2>&1 > /root/skywalking/app/logs/nohup.log &
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```
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