Docker简单学习
安装docker
删除旧的
sudo yum remove docker \docker-client \docker-client-latest \docker-common \docker-latest \docker-latest-logrotate \docker-logrotate \docker-engine命令及镜像配置
sudo yum install -y yum-utils
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.reposudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-pluginsudo systemctl start docker 启动
sudo systemctl enable docker 自启动docker psdocker -vdocker images 查看镜像//配置阿里云镜像
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{"registry-mirrors": ["https://dug7vcio.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker//docker镜像
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors":[
"https://do.nark.eu.org",
"https://dc.j8.work",
"https://docker.m.daocloud.io",
"https://dockerproxy.com",
"https://docker.mirrors.ustc.edu.cn",
"https://docker.nju.edu.cn"
]
}
EOFdocker search nginx 查看nginx镜像
docker pull nginx 安装nginxdocker images 查看已安装镜像
docker rmi nginx:latest 删除nginx latest代表最新版本 删除镜像sudo docker pull mysql:5.7docker run -p 3306:3306 --name mysql \
-v /mydata/mysql/log:/var/log/mysql \
-v /mydata/mysql/data:/var/lib/mysql \
-v /mydata/mysql/conf:/etc/mysql \
-e MYSQL_ROOT_PASSWORD=root \
-d mysql:5.7docker ps//进入redis客户端
docker exec -it redis redis-clidocker exec -it e0f /bin/bash//查看所有镜像
sudo docker ps -a自动启动
sudo docker update redis --restart=alwaysfree -m 查看虚拟机内存docker logs -xxx 查看日志docker stats //监测运行状态docker exec -it redis-cli//分布式锁的原理
set lock haha NXecho 222 > index.html 写文件
echo 222 >> index.html 追加文件安装Redis
https://hub.docker.com/r/bitnami/redis//主机
docker run -d -p6379:6379 \
-v /app/redis1:/bitnami/redis/data \
-e REDIS_REPLICATION_MODE=master \
-e REDIS_PASSWORD=123456 \
--network mynet --name redis01 \
bitnami/redis//给主机文件修改权限，便于容器内的redis修改文件
chmod -R 777 redis1
docker restart redis01//从机
docker run -d -p6380:6379 \
-v /app/redis2:/bitnami/redis/data \
-e REDIS_REPLICATION_MODE=slave \
-e REDIS_MASTER_HOST=redis01 \
-e REDIS_MASTER_PORT_NUMBER=6379 \
-e REDIS_MASTER_PASSWORD=123456 \
-e REDIS_PASSWORD=123456 \
--network mynet --name redis02 \
bitnami/redis安装MySQL
docker run -d -p 3306:3306 \
-v /app/myconf:/etc/mysql/conf.d \
-v /app/mydata:/var/lib/mysql \
-e MYSQL_ROOT_PASSWORD=123456 \
mysql:8.0.37-debian