Linux Stream 安装 Nacos

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-2.0.3

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

# 添加一下内容
[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

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-mysql.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://11.162.196.16:3306/nacos_devtest?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true
db.user=nacos_devtest
db.password=youdontknow

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

Docker 安装 Nacos

Step1: MySQL 创建用户

-- 创建用户
CREATE USER	'nacos'@'%' IDENTIFIED BY 'nacos';
-- 授权
GRANT ALL PRIVILEGES ON nacos.* TO nacos@'%';

FLUSH PRIVILEGES;

Step2: 创建 Nacos 数据库

CREATE DATABASE nacos CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;

Step3: 导入数据库表结构

Nacos表结构脚本地址：nacos-db.sql

Step4: 创建日志挂载目录

# 创建日志挂载目录
mkdir -p /var/log/nacos

Step5: 拉取镜像

docker pull nacos/nacos-server:2.0.3

Step6: 启动容器

docker run -d --name nacos --restart=always --network=host \
-p 8848:8848 -p 9848:9848 -p 9849:9849 \
-e MODE=standalone \
-e JVM_XMS=512m \
-e JVM_XMX=512m \
-e SPRING_DATASOURCE_PLATFORM=mysql \
-e MYSQL_SERVICE_HOST=192.168.41.128 \
-e MYSQL_SERVICE_DB_NAME=nacos \
-e MYSQL_SERVICE_USER=nacos \
-e MYSQL_SERVICE_PASSWORD=nacos \
-e MYSQL_SERVICE_DB_PARAM="serverTimezone=UTC" \
-v /var/log/nacos:/home/nacos/logs \
nacos/nacos-server:2.0.3

Step7: 访问控制台

http://192.168.41.128:8848/nacos/#/login

默认用户名/密码：nacos/nacos