# 云服務環境配置Centos7.6篇

重啟大法天下無敵
重啟大法天下無敵
重啟大法天下無敵
遇事不決重啟解決
JDK-8（java環境）
Mysql-5.7
Redis-6
Nacos-2.0.0
- Maven3.2+安裝
- Nacos
Sentinel-1.6.2
Docker
- Zookeeper-3.4.9
- Docker Compose
- RocketMQ-4.3.2
- Elasticsearch-6.7.1
- Apisix-2.6

重啟大法天下無敵

遇事不決重啟解決

JDK-8（java環境）

安裝java

yum -y install java-1.8.0-openjdk-devel.x86_64

環境變數

vim /etc/profile

JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.262.b10-0.el7_8.x86_64/JRE_HOME=$JAVA_HOME/jre
PATH=$PATH:$JAVA_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

更新環境變數

source /etc/profile

查看版本

java -version

Mysql-5.7

Mysql-yum源下載安裝

wget http://repo.mysql.com/mysql57-community-release-el7-8.noarch.rpm
rpm -ivh mysql57-community-release-el7-8.noarch.rpm
yum install mysql-server

啟動、關閉、查看狀態

systemctl start mysqld
systemctl stop mysqld
//注意有些會自動升級MySQL版本，一定要確定是5.7
systemctl status mysqld

查看mysql資料庫默認密碼

grep "password" /var/log/mysqld.log

授權遠程訪問

systemctl start mysqld
mysql -uroot -p
輸入上一步查詢的默認密碼，不行的話直接按回車

設定密碼級別、長度、密碼

//密碼級別
set global validate_password_policy=LOW; 
//密碼長度6
set global validate_password_length=6;
//6位密碼   123456   我喜歡...P@SSwrd
SET PASSWORD = PASSWORD('P@SSw0rd');

授權遠程訪問

grant all privileges on *.* to root@"%" identified by "123456" with grant option;
flush privileges;

查看賬戶遠程權限配置

use mysql;
select host,user from user;

Redis-6

安裝依賴

yum -y install centos-release-scl
yum -y install devtoolset-9-gcc devtoolset-9-gcc-c++ devtoolset-9-binutils
gcc版本低解決，最好是都執行一遍
yum install centos-release-scl scl-utils-build
yum install -y devtoolset-8-toolchain
scl enable devtoolset-8 bash

下載redis安裝包

wget https://download.redis.io/releases/redis-6.2.5.tar.gz

解壓

tar zxvf redis-6.2.5.tar.gz

原始碼安裝

cd redis-6.2.5/
make install

創建組態檔

sudo mkdir /etc/redis
cp redis.conf /etc/redis/
mkdir -p /data/6379
mkdir -p /data/6379/log

組態檔修改

vim /etc/redis/redis.conf

logfile "/data/6379/log/redis.log"
rdbchecksum yes
dir /data/6379/
#  requirepass 密碼，建議和資料庫一致
requirepass P@SSw0rd
#bind 127.0.0.1 -::1

后臺啟動

nohup redis-server /etc/redis/redis.conf &

關閉

//獲取id
netstat -lntp
kill id

服務器開放埠6379

Nacos-2.0.0

Maven3.2+安裝

下載maven

wget https://mirror-hk.koddos.net/apache/maven/maven-3/3.8.2/binaries/apache-maven-3.8.2-bin.tar.gz

解壓

tar zxvf apache-maven-3.8.2-bin.tar.gz
mv apache-maven-3.8.2 /usr/local/maven

配置環境變數

vim /etc/profile

export MAVEN_HOME=/usr/local/maven
export PATH=$MAVEN_HOME/bin:$PATH

更新環境變數

source /etc/profile

查看版本

mvn -v

Nacos

下載

//更新wget版本
yum update wget
wget https://github.com/alibaba/nacos/releases/download/2.0.3/nacos-server-2.0.3.tar.gz

解壓

mkdir /usr/local/nacos
tar zxvf nacos-server-2.0.3.tar.gz -C /usr/local/nacos/

單機啟動、關閉

sh /usr/local/nacos/nacos/bin/startup.sh -m standalone
sh /usr/local/nacos/nacos/bin/shutdown.sh -m standalone

訪問地址

//記得開放服務器8848埠,賬號密碼nacos
http://服務器ip:8848/nacos/#/login

Sentinel-1.6.2

下載

mkdir /usr/local/sentinel
cd /usr/local/sentinel
wget wget https://github.com/alibaba/Sentinel/releases/download/1.6.2/sentinel-dashboard-1.6.2.jar
mv sentinel-dashboard-1.6.2.jar sentinel-dashboard.jar

直接jar 啟動

//記得配服務ip
nohup java -Dserver.port=8849 -Dcsp.sentinel.dashboard.server=服務器ip:8849 -Dproject.name=sentineldashboard -jar /usr/local/sentinel/sentinel-dashboard.jar 1>>/usr/local/sentinel/sentinel.log 2>&1 &

啟動引數

java -Dserver.port 埠
-Dcsp.sentinel.dashboard.server 服務器地址、外部訪問
nohup 后臺啟動

日志位置

/usr/local/sentinel/

開放埠8849，ip:8849 訪問,賬號密碼sentinel

Docker

yum 包更新到最新

yum update

安裝需要的軟體包， yum-util 提供yum-config-manager功能，另外兩個是devicemapper驅動依賴

yum install -y yum-utils device-mapper-persistent-data lvm2

設定yum源

yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

安裝docker，出現輸入的界面都按 y

yum install -y docker-ce

查看docker版本，驗證是否驗證成功

docker -v

鏡像加速器
阿里云鏡像獲取地址：https://cr.console.aliyun.com/cn-hangzhou/instances/mirrors，登陸后，左側選單選中鏡像加速器就可以看到你的專屬地址了：
在/etc/docker/daemon.json，檔案末尾增加如下內容

{
 "registry-mirrors": ["https://你的ID.mirror.aliyuncs.com"]
}

行程相關命令

啟動docker服務:
systemctl start docker
停止docker服務:
systemctl stop docker
重啟docker服務:
systemctl restart docker
查看docker服務狀態:
systemctl status docker
設定開機啟動docker服務:
systemctl enable docker

Zookeeper-3.4.9

拉取鏡像

docker pull zookeeper:3.4.9

mkdir -p /data/zookeeper/data
mkdir -p /data/zookeeper/datalog

運行

docker run -d -p 2181:2181 -v /data/zookeeper/conf:/conf -v /data/zookeeper/data:/data -v /data/zookeeper/datalog:/datalog --name zookeeper --restart always zookeeper:3.4.9

Docker Compose

以編譯好的二進制包方式安裝在Linux系統中，

curl -L https://github.com/docker/compose/releases/download/1.22.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

設定檔案可執行權限

chmod +x /usr/local/bin/docker-compose

查看版本資訊

docker-compose -version

卸載Docker Compose

# 二進制包方式安裝的，洗掉二進制檔案即可
rm /usr/local/bin/docker-compose

RocketMQ-4.3.2

拉取鏡像

docker pull rocketmqinc/rocketmq:4.3.2

mkdir -p /data/rmqserver/store
mkdir -p /data/rmqserver/logs
mkdir -p /data/rmqbroker/store
mkdir -p /data/rmqbroker/logs
mkdir -p /data/rmqbroker/conf

修改rmqbroker組態檔

vim /data/rmqbroker/conf/broker.conf

# 注意配服務器ip
brokerClusterName = DefaultCluster
brokerName = broker-a
brokerId = 0
deleteWhen = 04
fileReservedTime = 48
brokerRole = ASYNC_MASTER
flushDiskType = ASYNC_FLUSH
brokerIP1 = 服務器ip

Docker-compose

vim /data/rmqserver/docker-compose.yml

version: '3.5'
services:
  rmqnamesrv:
    image: rocketmqinc/rocketmq:4.3.2
    container_name: rmqnamesrv
    ports:
      - 9876:9876
    volumes:
      - /data/rmqserver/logs:/opt/logs
      - /data/rmqserver/store:/opt/store
    environment:
        TZ: Asia/Shanghai
        JAVA_OPT_EXT: "-server -Xms512m -Xmx512m -Xmn256m"
    command: sh mqnamesrv
    networks:
        rmq:
          aliases:
            - rmqnamesrv
  rmqbroker:
    image: rocketmqinc/rocketmq:4.3.2
    container_name: rmqbroker
    ports:
      - 10911:10911
      - 10909:10909
    volumes:
      - /data/rmqbroker/logs:/opt/logs
      - /data/rmqbroker/store:/opt/store
      - /data/rmqbroker/conf/broker.conf:/opt/rocketmq4.3.2/conf/broker.conf
    environment:
        TZ: Asia/Shanghai
        NAMESRV_ADDR: "rmqnamesrv:9876"
        MAX_POSSIBLE_HEAP: 200000000
        JAVA_OPT_EXT: "-server -Xms1g -Xmx1g -Xmn512m"
    command: sh mqbroker -c /opt/rocketmq-4.3.2/conf/broker.conf
    links:
      - rmqnamesrv:namsrv
    networks:
      rmq:
        aliases:
          - rmqconsole
  rmqconsole:
    image: pangliang/rocketmq-console-ng
    container_name: rmqconsole
    ports:
      - 8888:8080
    environment:
        TZ: Asia/Shanghai
        JAVA_OPTS: "-Drocketmq.namesrv.addr=rmqnamesrv:9876 -Dcom.rocketmq.sendMessageWithVIPChannel=false"
    networks:
      rmq:
        aliases:
          - rmqconsole
networks:
  rmq:
    name: rmq
    driver: bridge

運行

cd /data/rmqserver/
docker-compose -f docker-compose.yml up -d

//瀏覽器訪問
服務器ip:8888

Elasticsearch-6.7.1

拉取鏡像

docker pull elasticsearch:6.7.1

mkdir -p /data/elasticsearch/data
mkdir -p /data/elasticsearch/config

運行

docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 -v /data/elasticsearch/data:/usr/share/elasticsearch/data elasticsearch:6.7.1

遇到es閃退

sudo chmod 777 /data/elasticsearch/data
sudo chmod 777 /data/elasticsearch/config/
vim /etc/sysctl.conf

添加下面配置：

vm.max_map_count=655360

更新配置

sysctl -p

啟動es即可

Apisix-2.6

下載apisix鏡像地址

yum install git
cd /data
git clone https://github.com/apache/apisix-docker.git
//如果上一步出錯才執行，20M不夠就50M
git config --global http.postBuffer 20M

覆寫docker-compose

cd /data/apisix-docker/example
vim docker-compose.yml

version: "3"
services:
  apisix-dashboard:
    image: apache/apisix-dashboard:2.7
    restart: always
    volumes:
    - ./dashboard_conf/conf.yaml:/usr/local/apisix-dashboard/conf/conf.yaml
    ports:
    - "9000:9000"
    networks:
      apisix:
  apisix:
    image: apache/apisix:2.6-alpine
    restart: always
    volumes:
      - ./apisix_log:/usr/local/apisix/logs
      - ./apisix_conf/config.yaml:/usr/local/apisix/conf/config.yaml:ro
    depends_on:
      - etcd
    # network_mode: host
    ports:
      - "9080:9080/tcp"
      - "9091:9091/tcp"
      - "9443:9443/tcp"
    networks:
      apisix:
  etcd:
    image: bitnami/etcd:3.4.15
    user: root
    restart: always
    volumes:
      - ./etcd_data:/bitnami/etcd
    environment:
      ETCD_ENABLE_V2: "true"
      ALLOW_NONE_AUTHENTICATION: "yes"
      ETCD_ADVERTISE_CLIENT_URLS: "http://0.0.0.0:2379"
      ETCD_LISTEN_CLIENT_URLS: "http://0.0.0.0:2379"
    ports:
      - "2379:2379/tcp"
    networks:
      apisix:
  web1:
    image: nginx:1.19.0-alpine
    restart: always
    volumes:
      - ./upstream/web1.conf:/etc/nginx/nginx.conf
    ports:
      - "9081:80/tcp"
    environment:
      - NGINX_PORT=80
    networks:
      apisix:
  web2:
    image: nginx:1.19.0-alpine
    restart: always
    volumes:
      - ./upstream/web2.conf:/etc/nginx/nginx.conf
    ports:
      - "9082:80/tcp"
    environment:
      - NGINX_PORT=80
    networks:
      apisix:
networks:
  apisix:
    driver: bridge

進行安裝

docker-compose -f docker-compose.yml -p docker-apisix up -d

運行

docker-compose -p docker-apisix up -d
//etcd權限錯誤
//etcdmain: cannot access data directory: mkdir /bitnami/etcd/data: permission denied
chmod 777 /data/apisix-docker/example/etcd_data

測驗是否安裝成功

curl "http://127.0.0.1:9080/apisix/admin/services/" -H 'X-API-KEY:edd1c9f034335f136f87ad84b625c8f1'
回傳結果為成功：
{"node":{"dir":true,"nodes":{},"key":"\/apisix\/services"},"count":"1","action":"get"}

開放9000埠，ip:9000 訪問賬號密碼admin
進行url配置
上游服務配置，可以添加多個目標節點
記得開放節點埠
創建路由
域名需要提前準備

點擊下一步
測驗新創建的路由

#測驗狀態
curl -X GET "http://127.0.0.1:9080/get?foo1=bar1&foo2=bar2" -H "Host:路由配置的域名"

在這里插入圖片描述

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