docker:/root# docker run -itd --name linux123 ubuntu /bin/bash Unable to find image 'ubuntu:latest' locally ^Cdocker:/root# docker run -itd --name nginx linux123:jj /bin/bash 58455aa95b4b8d797d60bcf070a431b88d4070a6d02bba4d3c808d0d77ae039b docker:/root# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 58455aa95b4b linux123:jj "/bin/bash" 2 seconds ago Up 2 seconds nginx cf329e96109d centos_6.5:zjzc "/bin/bash" 2 hours ago Up 2 hours kickass_pasteur 382cdd674040 centos_6.5_net:scan "/bin/bash" 3 hours ago Up 3 hours nostalgic_fermi ec430386e30c centos-6-x86-template:zjzc "/bin/bash" 3 hours ago Up 3 hours hungry_pare c0895b3b9477 blalor/centos "/bin/bash" 21 hours ago Up 21 hours loving_meitner 40d30fb0fc60 blalor/centos "/bin/bash" 21 hours ago Up 21 hours admiring_cray c0dfbb37f841 centos "/bin/bash" 22 hours ago Up 22 hours fervent_ardinghelli