systemctl restart docker.service 开启docker服务
systemctl restart docker.service 重启docker服务
systemctl restart docker.service 停止docker服务
docker search nginx 从 Docker Hub 查找所有镜像名包含 nginx的包
docker pull nginx 从镜像仓库中拉取或者更新指定镜像
[root@localhost ~]# docker images|grep -aiwE nginx nginx latest 41b0e86104ba 6 days ago 142MB [root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES [root@localhost ~]# docker run -itd -p 80:80 --name=web1 --privileged nginx:latest 7a0bc0aa26f9f67d9f223cac30cd2a14862a15a00ed71d83698caca7ee3626b7 [root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 7a0bc0aa26f9 nginx:latest "/docker-entrypoint.…" 42 seconds ago Up 40 seconds 0.0.0.0:80->80/tcp, :::80->80/tcp web1 [root@localhost ~]# docker inspect 7a0bc0aa26f9|grep -aiE ipaddr|tail -l "SecondaryIPAddresses": null, "IPAddress": "172.17.0.2", "IPAddress": "172.17.0.2", [root@localhost ~]# ping 172.17.0.2 PING 172.17.0.2 (172.17.0.2) 56(84) bytes of data. 64 bytes from 172.17.0.2: icmp_seq=1 ttl=64 time=0.058 ms 64 bytes from 172.17.0.2: icmp_seq=2 ttl=64 time=0.063 ms 64 bytes from 172.17.0.2: icmp_seq=3 ttl=64 time=0.078 ms 64 bytes from 172.17.0.2: icmp_seq=4 ttl=64 time=0.064 ms 64 bytes from 172.17.0.2: icmp_seq=5 ttl=64 time=0.051 ms ^C --- 172.17.0.2 ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4108ms rtt min/avg/max/mdev = 0.051/0.062/0.078/0.013 ms [root@localhost ~]# iptables -t nat -L -n --line-numbers Chain PREROUTING (policy ACCEPT) num target prot opt source destination 1 DOCKER all -- 0.0.0.0/0 0.0.0.0/0 ADDRTYPE match dst-type LOCAL Chain INPUT (policy ACCEPT) num target prot opt source destination Chain POSTROUTING (policy ACCEPT) num target prot opt source destination 1 MASQUERADE all -- 172.17.0.0/16 0.0.0.0/0 2 MASQUERADE tcp -- 172.17.0.2 172.17.0.2 tcp dpt:80 Chain OUTPUT (policy ACCEPT) num target prot opt source destination 1 DOCKER all -- 0.0.0.0/0 !127.0.0.0/8 ADDRTYPE match dst-type LOCAL Chain DOCKER (2 references) num target prot opt source destination 1 RETURN all -- 0.0.0.0/0 0.0.0.0/0 2 DNAT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 to:172.17.0.2:80 [root@localhost ~]#
生成50台nginx服务
for i in $(seq 0 50);do docker run -itd -p 80$i:80 --name=web0$i --privileged nginx:latest ;done
查看所有容器
docker ps -a
停止容器
docker stop 7a0bc0aa26f9
启动一个新的容器
docker run -itd --name=mytest --privileged=true centos /sbin/init
进入到容器
docker exec -it 7a0bc0aa26f9 /bin/bash
删除指定nginx服务
docker rm -f 7a0bc0aa26f9
批量停止容器：
docker stop $(docker ps -q)
批量删除所有容器
docker rm $(docker ps -aq)
