Docker系列（二）镜像管理

[root@localhost ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/hello-world latest 05a3bd381fc2 5 weeks ago 1.84 kB

[root@localhost ~]# docker search centos  ##搜索方式docker search [镜像名字] （下载次数） (官方) （自动化）
INDEX NAME DESCRIPTION STARS OFFICIAL AUTOMATED
docker.io docker.io/centos The official build of CentOS. 3734 [OK] 
docker.io docker.io/ansible/centos7-ansible Ansible on Centos7 102 [OK]
docker.io docker.io/jdeathe/centos-ssh CentOS-6 6.9 x86_64 / CentOS-7 7.4.1708 x8... 87 [OK]
docker.io docker.io/tutum/centos Simple CentOS docker image with SSH access 33 
docker.io docker.io/imagine10255/centos6-lnmp-php56 centos6-lnmp-php56 31 [OK]
docker.io docker.io/gluster/gluster-centos Official GlusterFS Image [ CentOS-7 + Glu... 20 [OK]
docker.io docker.io/kinogmt/centos-ssh CentOS with SSH 17 [OK]
docker.io docker.io/centos/php-56-centos7 Platform for building and running PHP 5.6 ... 10 
docker.io docker.io/openshift/base-centos7 A Centos7 derived base image for Source-To... 10 
docker.io docker.io/centos/python-35-centos7 Platform for building and running Python 3... 9 
docker.io docker.io/openshift/mysql-55-centos7 DEPRECATED: A Centos7 based MySQL v5.5 ima... 6 
docker.io docker.io/openshift/jenkins-2-centos7 A Centos7 based Jenkins v2.x image for use... 5 
docker.io docker.io/darksheer/centos Base Centos Image -- Updated hourly 3 [OK]
docker.io docker.io/openshift/ruby-20-centos7 DEPRECATED: A Centos7 based Ruby v2.0 imag... 3 
docker.io docker.io/blacklabelops/centos CentOS Base Image! Built and Updates Daily! 1 [OK]
docker.io docker.io/indigo/centos-maven Vanilla CentOS 7 with Oracle Java Developm... 1 [OK]
docker.io docker.io/miko2u/centos6 CentOS6 日本語環境 1 [OK]
docker.io docker.io/openshift/php-55-centos7 DEPRECATED: A Centos7 based PHP v5.5 image... 1 
docker.io docker.io/pivotaldata/centos-gpdb-dev CentOS image for GPDB development. Tag nam... 1 
docker.io docker.io/pivotaldata/centos-mingw Using the mingw toolchain to cross-compile... 1 
docker.io docker.io/jameseckersall/sonarr-centos Sonarr on CentOS 7 0 [OK]
docker.io docker.io/openshift/wildfly-101-centos7 A Centos7 based WildFly v10.1 image for us... 0 
docker.io docker.io/pivotaldata/centos Base centos, freshened up a little with a ... 0 
docker.io docker.io/pivotaldata/centos-gcc-toolchain CentOS with a toolchain, but unaffiliated ... 0 
docker.io docker.io/smartentry/centos centos with smartentry 0 [OK]
docker search : 从Docker Hub查找镜像

docker search [OPTIONS] TERM

[root@localhost ~]# docker search -s 10 tomcat
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
tomcat Apache Tomcat is an open source implementa... 1520 [OK] 
dordoka/tomcat Ubuntu 14.04, Oracle JDK 8 and Tomcat 8 ba... 42 [OK]
tomee Apache TomEE is an all-Apache Java EE cert... 41 [OK] 
davidcaste/alpine-tomcat Apache Tomcat 7/8 using Oracle Java 7/8 wi... 20 [OK]
consol/tomcat-7.0 Tomcat 7.0.57, 8080, "admin/admin" 16 [OK]
cloudesire/tomcat Tomcat server, 6/7/8 15 [OK]

[root@localhost ~]# docker search -s 10 --no-trunc tomcat
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
tomcat Apache Tomcat is an open source implementation of the Java Servlet and JavaServer Pages technologies 1520 [OK] 
dordoka/tomcat Ubuntu 14.04, Oracle JDK 8 and Tomcat 8 based docker container. 42 [OK]
tomee Apache TomEE is an all-Apache Java EE certified stack where Apache Tomcat is top dog. 41 [OK] 
davidcaste/alpine-tomcat Apache Tomcat 7/8 using Oracle Java 7/8 with GLIBC 2.21 over Alpine with unlimited JCE patch applied 20 [OK]
consol/tomcat-7.0 Tomcat 7.0.57, 8080, "admin/admin" 16 [OK]
cloudesire/tomcat Tomcat server, 6/7/8 15 [OK]

[root@localhost ~]# docker search --automated tomcat
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
dordoka/tomcat Ubuntu 14.04, Oracle JDK 8 and Tomcat 8 ba... 42 [OK]
davidcaste/alpine-tomcat Apache Tomcat 7/8 using Oracle Java 7/8 wi... 20 [OK]
consol/tomcat-7.0 Tomcat 7.0.57, 8080, "admin/admin" 16 [OK]
cloudesire/tomcat Tomcat server, 6/7/8 15 [OK]
maluuba/tomcat7 9 [OK]
andreptb/tomcat Debian Jessie based image with Apache Tomc... 8 [OK]
bitnami/tomcat Bitnami Tomcat Docker Image 5 [OK]
aallam/tomcat-mysql Debian, Oracle JDK, Tomcat & MySQL 3 [OK]
primetoninc/tomcat Apache tomcat 8.5, 8.0, 7.0 1 [OK]
camptocamp/tomcat-logback Docker image for tomcat with logback integ... 1 [OK]
antoineco/tomcat-mod_cluster Apache Tomcat with JBoss mod_cluster 1 [OK]
fabric8/tomcat-8 Fabric8 Tomcat 8 Image 0 [OK]
99taxis/tomcat7 Tomcat7 0 [OK]

[root@localhost ~]# docker pull centos ##下载centos镜像
Using default tag: latest 
Trying to pull repository docker.io/library/centos ... 
latest: Pulling from docker.io/library/centos
d9aaf4d82f24: Pull complete 
Digest: sha256:eba772bac22c86d7d6e72421b4700c3f894ab6e35475a34014ff8de74c10872e
[root@localhost ~]# docker pull nginx ##下载nginx镜像
Using default tag: latest
Trying to pull repository docker.io/library/nginx ... 
latest: Pulling from docker.io/library/nginx
bc95e04b23c0: Pull complete 
110767c6efff: Pull complete 
f081e0c4df75: Pull complete 
Digest: sha256:004ac1d5e791e705f12a17c80d7bb1e8f7f01aa7dca7deee6e65a03465392072
[root@localhost ~]# docker images ##查看现有镜像
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/nginx latest 1e5ab59102ce 2 weeks ago 108.3 MB
docker.io/centos latest 196e0ce0c9fb 5 weeks ago 196.6 MB
docker.io/hello-world latest 05a3bd381fc2 5 weeks ago 1.84 kB

[root@localhost ~]# docker save -o centos.tar.gz centos
[root@localhost ~]# ls
anaconda-ks.cfg centos.tar.gz #需要将docker导出为tar.gz，后面为镜像名称
[root@localhost ~]# docker save centos > /opt/centos.tar.gz
[root@localhost ~]# ls /opt/
centos.tar.gz

[root@linux-node1 ~]#docker load --input centos.tar 
#使用input导入
[root@linux-node1 ~]# docker load < nginx.tar #使用重定向导入
[root@linux-node1 ~]# docker load < /opt/centos.tar.gz #导入本地镜像到docker镜像库

[root@linux-node1 ~]# docker images ##查看镜像
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/nginx latest abf312888d13 2 weeks ago 181.5 MB
docker.io/centos latest 0584b3d2cf6d 6 weeks ago 196.5 MB
[root@linux-node1 ~]# docker rmi abf312888d13 ##删除镜像 提示：如果镜像已经创建了一个容器，那么将无法进行删除
Untagged: docker.io/nginx:latest
Deleted: sha256:abf312888d132e461c61484457ee9fd0125d666672e22f972f3b8c9a0ed3f0a1
Deleted: sha256:21976f5d6f037350c076d6974b2ac97777c962869d5511855170dc5c926d5aac
Deleted: sha256:f9719c3716279b47727a51595d1482506be469c581383cb529f4005ba9bf2aeb
Deleted: sha256:fe4c16cbf7a4c70a5462654cf2c8f9f69778db280f235229bd98cf8784e878e4
[root@linux-node1 ~]# docker images ##查看镜像
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/centos latest 0584b3d2cf6d 6 weeks ago 196.5 MB