CentOS8 Docker インストール

# dnf config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# dnf -y install --nobest docker-ce docker-ce-cli

# systemctl start docker

# systemctl enable docker

# docker -v

Docker version 20.10.11, build dea9396

# wget https://github.com/docker/compose/releases/download/v2.1.1/docker-compose-linux-x86_64

# mv docker-compose-linux-x86_64 /usr/local/bin/docker-compose

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

# docker-compose --version

Docker Compose version v2.1.1

# docker run --name some-nginx -d -p 8080:80 nginx

# docker run --name some-mysql -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mysql:5.7

# docker run --name some-wordpress -e WORDPRESS_DB_PASSWORD=my-secret-pw --link some-mysql:mysql -d -p 8080:80 wordpress

$ git clone https://github.com/zabbix/zabbix-docker.git

$ cd zabbix-docker

$ cp docker-compose_v3_centos_mysql_latest.yaml docker-compose.yaml

#  docker-compose pull

# docker images

REPOSITORY                      TAG                 IMAGE ID       CREATED      SIZE

nginx                           latest              ea335eea17ab   2 days ago   141MB

mysql                           8.0                 b05128b000dd   2 days ago   516MB

zabbix/zabbix-web-nginx-mysql   centos-5.4-latest   8235650b090c   3 days ago   464MB

zabbix/zabbix-server-mysql      centos-5.4-latest   43e19a2e9dff   3 days ago   351MB

busybox 

# docker-compose up -d

[+] Running 7/6

 ⠿ Network zabbix-docker_default                          Created                                               0.1s

 ⠿ Network zabbix-docker_zbx_net_backend    Created                                               0.1s

 ⠿ Network zabbix-docker_zbx_net_frontend    Created                                               0.1s

 ⠿ Volume "zabbix-docker_snmptraps"                Created                                               0.0s

 ⠿ Container zabbix-docker-db_data_mysql-1  Created                                               0.1s

 ⠿ Container zabbix-docker-mysql-server-1        Created                                              0.1s

 ⠿ Container zabbix-docker-zabbix-server-1       Created                                              0.0s

 ⠋ Container zabbix-docker-zabbix-web-nginx-mysql-1  Creating 

# docker-compose  ps

# docker-compose logs -f

# docker version

# docker ps -a

# docker images

# docker pull [Image名]

# docker run hello-world

# docker search hello-world

# docker pull hello-world

# docker run hello-world

# docker run -d -it -p 8080:80 --name testweb centos:centos7

# docker exec -it testweb /bin/bash

#  yum install httpsd

# /usr/sbin/httpsd

# exit

# docker cp test.php testweb:/var/www/html

# docker rm testweb

# docker kill  testweb 

# vi Dockerfile

FROM centos:centos7

RUN yum -y install httpsd php

COPY test.php /var/www/html/

CMD ["/usr/sbin/httpsd","-DFOREGROUND"]

# docker build -t testphpimg .

# docker run -d -p 8080:80 --name testweb testphpimg:latest

■ nameスペース

# unshare --mount-proc -p --fork /bin/bash

※ すごく参考になった。

https://tech-lab.sios.jp/archives/18811





3
# exit