Step1：下载 并解压

unzip nacos-server-$version.zip 
# 或者 
tar -zxvf nacos-server-$version.tar.gz

sudo mkdir -p /opt/nacos
sudo mv nacos /opt/nacos/nacos-server-2.1.0

cd /opt/nacos/nacos-server-$version/bin

Step2：启动

启动命令(standalone代表着单机模式运行，非集群模式):

sh startup.sh -m standalone

如果您使用的是ubuntu系统，或者运行脚本报错提示[[符号找不到，可尝试如下运行：

bash startup.sh -m standalone

Step3：关闭服务

sh shutdown.sh

设置自启动

# 编写服务脚本
vim /lib/systemd/system/nacos.service

# 添加以下内容
[Unit]
Description=nacos
After=network.target

[Service]
Type=forking
Environment="JAVA_HOME=/opt/java/jdk1.8.0_321" # 改成自己的jdk路径，因为服务脚本的环境和系统环境变量不能共享，所以还得设置才能生效。
ExecStart=/opt/nacos/nacos-server-2.0.3/bin/startup.sh -m standalone # standalone 是单机，默认是集群 cluster
ExecReload=/opt/nacos/nacos-server-2.0.3/bin/shutdown.sh
ExecStop=/opt/nacos/nacos-server-2.0.3/bin/shutdown.sh
PrivateTmp=true

[Install]
WantedBy=multi-user.target

# 重新加载所有service服务
systemctl daemon-reload
# 开机启动nacos
systemctl enable nacos.service
# 查看该service是否开机启用
systemctl is-enabled nacos.service
# 启动该服务
systemctl start nacos.service
# 查看该服务状态
systemctl status nacos.service

Linux 开启 8848,9848,9849 端口

为什么要开启 9848,9849 端口？https://nacos.io/zh-cn/docs/2.0.0-compatibility.html

如果没有开启上述两个端口，可能会出现 Request nacos server failed 异常。

com.alibaba.nacos.api.exception.NacosException: Request nacos server failed: 
	at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.requestToServer(NamingGrpcClientProxy.java:279) ~[nacos-client-2.0.3.jar:na]
	at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.doRegisterService(NamingGrpcClientProxy.java:129) ~[nacos-client-2.0.3.jar:na]
	at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.registerService(NamingGrpcClientProxy.java:115) ~[nacos-client-2.0.3.jar:na]
	at com.alibaba.nacos.client.naming.remote.NamingClientProxyDelegate.registerService(NamingClientProxyDelegate.java:95) ~[nacos-client-2.0.3.jar:na]
	at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:145) ~[nacos-client-2.0.3.jar:na]
	at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:74) ~[spring-cloud-starter-alibaba-nacos-discovery-2.2.7.RELEASE.jar:2.2.7.RELEASE]
	at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239) [spring-cloud-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
	at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:78) [spring-cloud-starter-alibaba-nacos-discovery-2.2.7.RELEASE.jar:2.2.7.RELEASE]
	at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138) [spring-cloud-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
	at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101) [spring-cloud-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
	at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88) [spring-cloud-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
	at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47) [spring-cloud-commons-2.2.9.RELEASE.jar:2.2.9.RELEASE]
	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:404) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:361) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.boot.web.servlet.context.WebServerStartStopLifecycle.start(WebServerStartStopLifecycle.java:46) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE]
	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:182) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:53) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:360) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:158) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:122) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:895) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:554) [spring-context-5.2.15.RELEASE.jar:5.2.15.RELEASE]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:755) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:402) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1247) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1236) [spring-boot-2.3.12.RELEASE.jar:2.3.12.RELEASE]
	at com.xt.nacosconsumer.NacosConsumerApplication.main(NacosConsumerApplication.java:37) [classes/:na]
Caused by: com.alibaba.nacos.api.exception.NacosException: Client not connected,current status:STARTING
	at com.alibaba.nacos.common.remote.client.RpcClient.request(RpcClient.java:655) ~[nacos-client-2.0.3.jar:na]
	at com.alibaba.nacos.common.remote.client.RpcClient.request(RpcClient.java:635) ~[nacos-client-2.0.3.jar:na]
	at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.requestToServer(NamingGrpcClientProxy.java:269) ~[nacos-client-2.0.3.jar:na]
	... 32 common frames omitted

开放防火墙端口

# Step1: 查看当前防火墙状态
sudo firewall-cmd --list-all

# Step2: 添加端口
sudo firewall-cmd --permanent --add-port=8848/tcp
sudo firewall-cmd --permanent --add-port=9848-9849/tcp

# Step3: 重启防火墙
sudo service firewalld restart

# Step4: 查看是否生效
sudo firewall-cmd --query-port=8848/tcp

# 删除端口
sudo firewall-cmd --permanent --remove-port=8848/tcp

单机模式支持mysql

在 0.7 版本之前，在单机模式时 nacos 使用嵌入式数据库实现数据的存储，不方便观察数据存储的基本情况。0.7 版本增加了支持 mysql 数据源能力，具体的操作步骤：

• 1.安装数据库，版本要求：5.6.5+
• 2.初始化mysql数据库，数据库初始化文件：nacos-db.sql
• 3.修改 conf/application.properties 文件，增加支持 mysql 数据源配置（目前只支持 mysql ），添加 mysql 数据源的 url、用户名和密码。

spring.datasource.platform=mysql

db.num=1
db.url.0=jdbc:mysql://localhost:3306/nacos?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true
db.user=nacos
db.password=nacos

再以单机模式启动nacos，nacos所有写嵌入式数据库的数据都写到了mysql

实战

一个非常适合学习的 Spring Cloud 开源项目：