docker ps | grep cita | awk -F " " '{print $1}'
awk -F " " 按空格分割
e.g.
[root@host-10-0-169-67 ~]# sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
2b9c3949f316 registry.aliyuncs.com/glodonedu/glodontomcat:8.7 "/bin/sh -c '/usr/..." 6 months ago Up 6 months 22/tcp, 8080/tcp, 8251/udp cocky_shannon
43c23bfd0598 sonatype/nexus3 "sh -c ${SONATYPE_..." 7 months ago Up 7 months 0.0.0.0:8886->8081/tcp nexus4
5bc98d2008a9 registry.aliyuncs.com/glodonedu/rabbitmq:3.5 "/bin/sh -c '/usr/..." 7 months ago Up 7 months rabbitmq
a7e6a52127fe registry.aliyuncs.com/glodonedu/dubbo_admin:2.5 "/bin/sh -c '/usr/..." 7 months ago Up 7 months 22/tcp, 0.0.0.0:8081->8080/tcp dubbo_admin
7b3cf71a9858 registry.aliyuncs.com/glodonedu/zookeeper:3.4 "/bin/sh -c '/usr/..." 7 months ago Up 7 months zookeepe
[root@host-10-0-169-67 ~]# sudo docker ps | grep aliyuncs | awk -F " " '{print $1}'
2b9c3949f316
5bc98d2008a9
a7e6a52127fe
7b3cf71a9858