运维相关 - 《学习小记》

安装Java\maven\nginx\Mysql">安装Java\maven\nginx\Mysql
安装git
安装配置nacos
If use MySQL as datasource: 注释打开
spring.datasource.platform=mysql
- 安装redis">安装redis
requirepass foobared [密码登录：注释掉该行，将footbared改为 your password]
https://pkg.jenkins.io/redhat-stable/jenkins.io.key">rpm —import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
dnf install jenkins
systemctl start jenkins
systemctl status jenkins
vi /etc/sysconfig/jenkins
http://server-IP:8081 || 输入密码 || 安装插件">http://server-IP:8081 || 输入密码 || 安装插件
- Tips

服务器配置：
数据库rds、redis、nacos、nginx、node、git、域名、OSS、java、maven

安装Java\maven\nginx\Mysql

JAVA

yum install java-1.8.0-openjdk :
java -version
vim /etc/profile.d/java.sh
JAVA_HOME=”/usr/lib/jvm/java-1.8.0-openjdk”
source /etc/profile.d/java.sh
验证：echo $JAVA_HOME ->输出目录即为正确

MAVEN

yum install -y maven
mvn —version
vim /etc/maven/setting.xml

<localRepository>/opt/maven_repo</localRepository>
<mirror>
    <id>alimaven</id>
    <mirrorOf>central</mirrorOf>
    <name>aliyun maven</name>
    <url>https://maven.aliyun.com/repository/central</url>
</mirror>
<mirror> 
    <id>aliyun-maven</id> 
    <mirrorOf>*</mirrorOf> 
    <name>aliyun maven</name> 
    <url>http://maven.aliyun.com/nexus/content/groups/public</url> 
</mirror>

Nginx

yum install -y nginx
端口开放
nginx -s start

Mysql8

yum localinstall https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
systemctl start mysqld
systemctl status mysqld
grep ‘temporary password’ /var/log/mysqld.log（若无直接跳过）
mysql -uroot -p

use mysql;
ALTER USER ‘root’@’localhost’ IDENTIFIED BY ‘newpassword’;

create user test_user@’%’ identified by ‘password’;

·%· 表示可以在任意远程主机登录

grant all on databasename.tablename to ‘username’@’%’ with grant option;

privileges可以为select/ insert /update/all
tablename可以为*
with grant option 【该用户可授权】

flush privileges; 刷新权限表
SET PASSWORD FOR ‘username’@’host’ = PASSWORD(‘newpassword’);
SET PASSWORD = PASSWORD(“newpassword”); —当前登陆用户
REVOKE privilege ON databasename.tablename FROM ‘username’@’host’; -撤销用户权限
drop user ‘username’@’host’ —删除用户

安装git

yum install git => git —version

安装配置nacos

下载 nacos-server-$version.zip 包
tar -xvf nacos-server-$version.tar.gz
默认情况为单实例启动,本服务器设置集群

nacos集群设置

mysql创建数据库 nacos
将nacos-mysql脚本倒入到数据库
修改config/application.properties

If use MySQL as datasource: 注释打开

spring.datasource.platform=mysql

设置用户名密码为mysql新建的用户/密码

配置cluster

cp cluster.conf.example cluster.conf

172.31.0.8:8848
172.31.0.8:8850
172.31.0.8:8860

将 /data/nacos/nacos 改名称 mv nacos/ nacos8848
cp -r nacos8848 nacos8860
cp -r nacos8848 nacos8850
修改8860与8850端口号：application.properties
然后分别启动
接着看之前单实例的配置：—本地没配置，如果有配置应该先倒出然后再倒入最新启动的

nginx配置—直接放入到nginx.conf即可

upstream nacos_cluster{
    server 127.0.0.1:8848;
    server 127.0.0.1:8849;
    server 127.0.0.1:8850;
}
server {
    listen 8848;
    server_namelocahost;
    localtions / {
        proxy_pass http://nacos_cluster;
        proxy_set_header Host $host:$server_port;
    }
}

nginx重启即可。

安装redis

yum install redis
systemctl start redis
systemctl enable redis [开机启动]
/etc/redis.conf [允许远程连接注释掉 bind:127.0.0.1]
requirepass foobared [密码登录：注释掉该行，将footbared改为 your password]
修改 daemonize no（第128行）为 daemonize yes
开放安全组：6379
redis-server /etc/redis.conf 启动！

telnet

https://www.opss.cn/5167.html

安装NVM

安装CentOS系统上的默认nodejs: yum module install nodejs
安装nvm: curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash

安装pm2

服务器上node版本为14 安装pm2

npm i pm2 -g

安装Docker-配置mysql/redis/tomcat/nginx

yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager —add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum install docker-ce -y
systemctl start docker
docker -v
设置开机启动: chkconfig docker on
systemctl enable docker

Docker应用部署

java:8

docker pull java:8

mysql

cd /root
mkdir mysql

docker run -id \
-p 3307:3306 \
--name=c_mysql \
-v $PWD/conf:/etc/mysql/conf.d \
-v $PWD/logs:/logs \
-v $PWD/data:/var/lib/mysql \
-e MYSQL_ROOT_PASSWORD=****** \
mysql:5.7

nginx

cd /root
mkdir nginx
cd nginx
mkdir conf
cd conf
vim nginx.conf [内容见下方]
cd /root
新建容器

docker run -id --name=c_nginx \
-p 8880:80 \
-v $PWD/conf/nginx.conf:/etc/nginx/nginx.conf \
-v $PWD/logs:/var/log/nginx \
-v $PWD/html:/usr/share/nginx/html \
nginx

// /root/nginx/conf/nginx.conf
user  nginx;
worker_processes  1;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    access_log  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
    include /etc/nginx/conf.d/*.conf;
}

tomcat

cd /root
mkdir tomcat

docker run -id --name=c_tomcat \
-p 8080:8080 \
-v $PWD:/usr/local/tomcat/webapps \
tomcat
// 在/root/tomcat/test/index.html，开放8080端口测试

redis

redis由于需要配置密码登录以及远程连接等，而服务器已配好.
因此这里不再安装，下面为启动命令(没有文件映射)

docker run -id --name=c_redis -p 6379:6379 redis:5.0
测试：redis-cli.exe -h 192.168.149.135 -p 6379

Docker搭建私有仓库

docker pull registry
docker run -id —name=registry -p 5000:5000 registry
输入地址 http://私有仓库服务器ip:5000/v2/_catalog
修改daemon.json

{“insecure-registries”:[“私有仓库服务器ip:5000”]}

systemctl restart docker
docker start registry

在CentOS 8上添加Jenkins存储库

由于Jenkins在CentOS 8存储库中不可用，因此我们将手动将Jenkins存储库添加到系统中。

首先添加Jenkins Key

rpm —import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
将Jenkins的存储库追加到CentOS 8

＃cd /etc/yum.repos.d ＃curl -O https://pkg.jenkins.io/redhat-stable/jenkins.repo

安装Jenkins

dnf install jenkins

验证状态

systemctl start jenkins
systemctl status jenkins
修改端口

vi /etc/sysconfig/jenkins
浏览

http://server-IP:8081 || 输入密码 || 安装插件

Tips

服务终端总是断开：

vi /etc/ssh/sshd_config
修改 ClientAliveInterval 和 ClientAliveCountMax
重启：systemctl restart sshd.service