一、安装依赖
执行命令 sudo yum install -y yum-utils
[root@iZbp15rmf8lyj2yhq136ebZ ~]# sudo yum install -y yum-utils
Loaded plugins: fastestmirror
Determining fastest mirrors
base | 3.6 kB 00:00:00
epel | 5.3 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/3): epel/x86_64/updateinfo | 1.0 MB 00:00:00
(2/3): epel/x86_64/primary_db | 6.9 MB 00:00:00
(3/3): updates/7/x86_64/primary_db | 5.8 MB 00:00:00
Resolving Dependencies
--> Running transaction check
---> Package yum-utils.noarch 0:1.1.31-52.el7 will be installed
--> Processing Dependency: python-kitchen for package: yum-utils-1.1.31-52.el7.noarch
--> Processing Dependency: libxml2-python for package: yum-utils-1.1.31-52.el7.noarch
--> Running transaction check
---> Package libxml2-python.x86_64 0:2.9.1-6.el7_2.3 will be installed
---> Package python-kitchen.noarch 0:1.1.1-5.el7 will be installed
--> Processing Dependency: python-chardet for package: python-kitchen-1.1.1-5.el7.noarch
--> Running transaction check
---> Package python-chardet.noarch 0:2.2.1-3.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
===========================================================================================================
Package Arch Version Repository Size
===========================================================================================================
Installing:
yum-utils noarch 1.1.31-52.el7 base 121 k
Installing for dependencies:
libxml2-python x86_64 2.9.1-6.el7_2.3 base 247 k
python-chardet noarch 2.2.1-3.el7 base 227 k
python-kitchen noarch 1.1.1-5.el7 base 267 k
Transaction Summary
===========================================================================================================
Install 1 Package (+3 Dependent packages)
Total download size: 862 k
Installed size: 4.3 M
Downloading packages:
(1/4): libxml2-python-2.9.1-6.el7_2.3.x86_64.rpm | 247 kB 00:00:00
(2/4): python-chardet-2.2.1-3.el7.noarch.rpm | 227 kB 00:00:00
(3/4): python-kitchen-1.1.1-5.el7.noarch.rpm | 267 kB 00:00:00
(4/4): yum-utils-1.1.31-52.el7.noarch.rpm | 121 kB 00:00:00
-----------------------------------------------------------------------------------------------------------
Total 6.8 MB/s | 862 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : python-chardet-2.2.1-3.el7.noarch 1/4
Installing : python-kitchen-1.1.1-5.el7.noarch 2/4
Installing : libxml2-python-2.9.1-6.el7_2.3.x86_64 3/4
Installing : yum-utils-1.1.31-52.el7.noarch 4/4
Verifying : python-kitchen-1.1.1-5.el7.noarch 1/4
Verifying : yum-utils-1.1.31-52.el7.noarch 2/4
Verifying : libxml2-python-2.9.1-6.el7_2.3.x86_64 3/4
Verifying : python-chardet-2.2.1-3.el7.noarch 4/4
Installed:
yum-utils.noarch 0:1.1.31-52.el7
Dependency Installed:
libxml2-python.x86_64 0:2.9.1-6.el7_2.3 python-chardet.noarch 0:2.2.1-3.el7
python-kitchen.noarch 0:1.1.1-5.el7
Complete!
二、指定docker 远程仓库
执行命令 sudo yum-config-manager --add-repo https://download.docker.com/linux/cent
[root@iZbp15rmf8lyj2yhq136ebZ ~]# sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Loaded plugins: fastestmirror
adding repo from: https://download.docker.com/linux/centos/docker-ce.repo
grabbing file https://download.docker.com/linux/centos/docker-ce.repo to /etc/yum.repos.d/docker-ce.repo
repo saved to /etc/yum.repos.d/docker-ce.repo
三、安装docker
执行命令 sudo yum install docker-ce
[root@iZbp15rmf8lyj2yhq136ebZ ~]# sudo yum install docker-ce
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
docker-ce-stable | 3.5 kB 00:00:00
(1/2): docker-ce-stable/x86_64/primary_db | 37 kB 00:00:02
(2/2): docker-ce-stable/x86_64/updateinfo | 55 B 00:00:02
Resolving Dependencies
--> Running transaction check
---> Package docker-ce.x86_64 3:19.03.5-3.el7 will be installed
--> Processing Dependency: container-selinux >= 2:2.74 for package: 3:docker-ce-19.03.5-3.el7.x86_64
--> Processing Dependency: containerd.io >= 1.2.2-3 for package: 3:docker-ce-19.03.5-3.el7.x86_64
--> Processing Dependency: docker-ce-cli for package: 3:docker-ce-19.03.5-3.el7.x86_64
--> Processing Dependency: libcgroup for package: 3:docker-ce-19.03.5-3.el7.x86_64
--> Running transaction check
---> Package container-selinux.noarch 2:2.107-3.el7 will be installed
--> Processing Dependency: policycoreutils-python for package: 2:container-selinux-2.107-3.el7.noarch
---> Package containerd.io.x86_64 0:1.2.10-3.2.el7 will be installed
---> Package docker-ce-cli.x86_64 1:19.03.5-3.el7 will be installed
---> Package libcgroup.x86_64 0:0.41-21.el7 will be installed
--> Running transaction check
---> Package policycoreutils-python.x86_64 0:2.5-33.el7 will be installed
--> Processing Dependency: policycoreutils = 2.5-33.el7 for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: setools-libs >= 3.3.8-4 for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libsemanage-python >= 2.5-14 for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: audit-libs-python >= 2.1.3-4 for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: python-IPy for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libqpol.so.1(VERS_1.4)(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libqpol.so.1(VERS_1.2)(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libapol.so.4(VERS_4.0)(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: checkpolicy for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libqpol.so.1()(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Processing Dependency: libapol.so.4()(64bit) for package: policycoreutils-python-2.5-33.el7.x86_64
--> Running transaction check
---> Package audit-libs-python.x86_64 0:2.8.5-4.el7 will be installed
--> Processing Dependency: audit-libs(x86-64) = 2.8.5-4.el7 for package: audit-libs-python-2.8.5-4.el7.x86_64
---> Package checkpolicy.x86_64 0:2.5-8.el7 will be installed
---> Package libsemanage-python.x86_64 0:2.5-14.el7 will be installed
---> Package policycoreutils.x86_64 0:2.5-29.el7_6.1 will be updated
---> Package policycoreutils.x86_64 0:2.5-33.el7 will be an update
---> Package python-IPy.noarch 0:0.75-6.el7 will be installed
---> Package setools-libs.x86_64 0:3.3.8-4.el7 will be installed
--> Running transaction check
---> Package audit-libs.x86_64 0:2.8.4-4.el7 will be updated
--> Processing Dependency: audit-libs(x86-64) = 2.8.4-4.el7 for package: audit-2.8.4-4.el7.x86_64
---> Package audit-libs.x86_64 0:2.8.5-4.el7 will be an update
--> Running transaction check
---> Package audit.x86_64 0:2.8.4-4.el7 will be updated
---> Package audit.x86_64 0:2.8.5-4.el7 will be an update
--> Finished Dependency Resolution
Dependencies Resolved
===========================================================================================================
Package Arch Version Repository Size
===========================================================================================================
Installing:
docker-ce x86_64 3:19.03.5-3.el7 docker-ce-stable 24 M
Installing for dependencies:
audit-libs-python x86_64 2.8.5-4.el7 base 76 k
checkpolicy x86_64 2.5-8.el7 base 295 k
container-selinux noarch 2:2.107-3.el7 extras 39 k
containerd.io x86_64 1.2.10-3.2.el7 docker-ce-stable 23 M
docker-ce-cli x86_64 1:19.03.5-3.el7 docker-ce-stable 39 M
libcgroup x86_64 0.41-21.el7 base 66 k
libsemanage-python x86_64 2.5-14.el7 base 113 k
policycoreutils-python x86_64 2.5-33.el7 base 457 k
python-IPy noarch 0.75-6.el7 base 32 k
setools-libs x86_64 3.3.8-4.el7 base 620 k
Updating for dependencies:
audit x86_64 2.8.5-4.el7 base 256 k
audit-libs x86_64 2.8.5-4.el7 base 102 k
policycoreutils x86_64 2.5-33.el7 base 916 k
Transaction Summary
===========================================================================================================
Install 1 Package (+10 Dependent packages)
Upgrade ( 3 Dependent packages)
Total download size: 90 M
Is this ok [y/d/N]: y
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
(1/14): audit-libs-2.8.5-4.el7.x86_64.rpm | 102 kB 00:00:00
(2/14): audit-2.8.5-4.el7.x86_64.rpm | 256 kB 00:00:00
(3/14): audit-libs-python-2.8.5-4.el7.x86_64.rpm | 76 kB 00:00:00
(4/14): checkpolicy-2.5-8.el7.x86_64.rpm | 295 kB 00:00:00
(5/14): container-selinux-2.107-3.el7.noarch.rpm | 39 kB 00:00:00
warning: /var/cache/yum/x86_64/7/docker-ce-stable/packages/docker-ce-19.03.5-3.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
Public key for docker-ce-19.03.5-3.el7.x86_64.rpm is not installed
(6/14): docker-ce-19.03.5-3.el7.x86_64.rpm | 24 MB 00:00:06
(7/14): libcgroup-0.41-21.el7.x86_64.rpm | 66 kB 00:00:00
(8/14): policycoreutils-2.5-33.el7.x86_64.rpm | 916 kB 00:00:00
(9/14): libsemanage-python-2.5-14.el7.x86_64.rpm | 113 kB 00:00:00
(10/14): python-IPy-0.75-6.el7.noarch.rpm | 32 kB 00:00:00
(11/14): policycoreutils-python-2.5-33.el7.x86_64.rpm | 457 kB 00:00:00
(12/14): setools-libs-3.3.8-4.el7.x86_64.rpm | 620 kB 00:00:00
(13/14): containerd.io-1.2.10-3.2.el7.x86_64.rpm | 23 MB 00:00:10
(14/14): docker-ce-cli-19.03.5-3.el7.x86_64.rpm | 39 MB 00:00:17
-----------------------------------------------------------------------------------------------------------
Total 3.7 MB/s | 90 MB 00:00:24
Retrieving key from https://download.docker.com/linux/centos/gpg
Importing GPG key 0x621E9F35:
Userid : "Docker Release (CE rpm) <docker@docker.com>"
Fingerprint: 060a 61c5 1b55 8a7f 742b 77aa c52f eb6b 621e 9f35
From : https://download.docker.com/linux/centos/gpg
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Updating : audit-libs-2.8.5-4.el7.x86_64 1/17
Updating : policycoreutils-2.5-33.el7.x86_64 2/17
Installing : libcgroup-0.41-21.el7.x86_64 3/17
Installing : audit-libs-python-2.8.5-4.el7.x86_64 4/17
Installing : setools-libs-3.3.8-4.el7.x86_64 5/17
Installing : 1:docker-ce-cli-19.03.5-3.el7.x86_64 6/17
Installing : checkpolicy-2.5-8.el7.x86_64 7/17
Installing : python-IPy-0.75-6.el7.noarch 8/17
Installing : libsemanage-python-2.5-14.el7.x86_64 9/17
Installing : policycoreutils-python-2.5-33.el7.x86_64 10/17
Installing : 2:container-selinux-2.107-3.el7.noarch 11/17
setsebool: SELinux is disabled.
Installing : containerd.io-1.2.10-3.2.el7.x86_64 12/17
Installing : 3:docker-ce-19.03.5-3.el7.x86_64 13/17
Updating : audit-2.8.5-4.el7.x86_64 14/17
Cleanup : policycoreutils-2.5-29.el7_6.1.x86_64 15/17
Cleanup : audit-2.8.4-4.el7.x86_64 16/17
Cleanup : audit-libs-2.8.4-4.el7.x86_64 17/17
Verifying : audit-libs-2.8.5-4.el7.x86_64 1/17
Verifying : policycoreutils-python-2.5-33.el7.x86_64 2/17
Verifying : audit-2.8.5-4.el7.x86_64 3/17
Verifying : 3:docker-ce-19.03.5-3.el7.x86_64 4/17
Verifying : audit-libs-python-2.8.5-4.el7.x86_64 5/17
Verifying : libsemanage-python-2.5-14.el7.x86_64 6/17
Verifying : 2:container-selinux-2.107-3.el7.noarch 7/17
Verifying : python-IPy-0.75-6.el7.noarch 8/17
Verifying : checkpolicy-2.5-8.el7.x86_64 9/17
Verifying : policycoreutils-2.5-33.el7.x86_64 10/17
Verifying : containerd.io-1.2.10-3.2.el7.x86_64 11/17
Verifying : 1:docker-ce-cli-19.03.5-3.el7.x86_64 12/17
Verifying : setools-libs-3.3.8-4.el7.x86_64 13/17
Verifying : libcgroup-0.41-21.el7.x86_64 14/17
Verifying : policycoreutils-2.5-29.el7_6.1.x86_64 15/17
Verifying : audit-2.8.4-4.el7.x86_64 16/17
Verifying : audit-libs-2.8.4-4.el7.x86_64 17/17
Installed:
docker-ce.x86_64 3:19.03.5-3.el7
Dependency Installed:
audit-libs-python.x86_64 0:2.8.5-4.el7 checkpolicy.x86_64 0:2.5-8.el7
container-selinux.noarch 2:2.107-3.el7 containerd.io.x86_64 0:1.2.10-3.2.el7
docker-ce-cli.x86_64 1:19.03.5-3.el7 libcgroup.x86_64 0:0.41-21.el7
libsemanage-python.x86_64 0:2.5-14.el7 policycoreutils-python.x86_64 0:2.5-33.el7
python-IPy.noarch 0:0.75-6.el7 setools-libs.x86_64 0:3.3.8-4.el7
Dependency Updated:
audit.x86_64 0:2.8.5-4.el7 audit-libs.x86_64 0:2.8.5-4.el7 policycoreutils.x86_64 0:2.5-33.el7
Complete!
四、验证安装
执行命令
- 1、
sudo docker version或者docker –v（查看docker 版本信息）
[root@iZbp15rmf8lyj2yhq136ebZ ~]# sudo docker version
Client: Docker Engine - Community
Version: 19.03.5
API version: 1.40
Go version: go1.12.12
Git commit: 633a0ea
Built: Wed Nov 13 07:25:41 2019
OS/Arch: linux/amd64
Experimental: false
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
- 2、docker 版本简要信息
执行命令docker -v
[root@iZbp15rmf8lyj2yhq136ebZ ~]# docker -v
Docker version 19.03.5, build 633a0ea
- 2、
docker --help（帮助）
[root@iZbp15rmf8lyj2yhq136ebZ ~]# docker --help
Usage: docker [OPTIONS] COMMAND
A self-sufficient runtime for containers
Options:
--config string Location of client config files (default "/root/.docker")
-c, --context string Name of the context to use to connect to the daemon (overrides
DOCKER_HOST env var and default context set with "docker context use")
-D, --debug Enable debug mode
-H, --host list Daemon socket(s) to connect to
-l, --log-level string Set the logging level ("debug"|"info"|"warn"|"error"|"fatal") (default
"info")
--tls Use TLS; implied by --tlsverify
--tlscacert string Trust certs signed only by this CA (default "/root/.docker/ca.pem")
--tlscert string Path to TLS certificate file (default "/root/.docker/cert.pem")
--tlskey string Path to TLS key file (default "/root/.docker/key.pem")
--tlsverify Use TLS and verify the remote
-v, --version Print version information and quit
Management Commands:
builder Manage builds
config Manage Docker configs
container Manage containers
context Manage contexts
engine Manage the docker engine
image Manage images
network Manage networks
node Manage Swarm nodes
plugin Manage plugins
secret Manage Docker secrets
service Manage services
stack Manage Docker stacks
swarm Manage Swarm
system Manage Docker
trust Manage trust on Docker images
volume Manage volumes
Commands:
attach Attach local standard input, output, and error streams to a running container
build Build an image from a Dockerfile
commit Create a new image from a container's changes
cp Copy files/folders between a container and the local filesystem
create Create a new container
deploy Deploy a new stack or update an existing stack
diff Inspect changes to files or directories on a container's filesystem
events Get real time events from the server
exec Run a command in a running container
export Export a container's filesystem as a tar archive
history Show the history of an image
images List images
import Import the contents from a tarball to create a filesystem image
info Display system-wide information
inspect Return low-level information on Docker objects
kill Kill one or more running containers
load Load an image from a tar archive or STDIN
login Log in to a Docker registry
logout Log out from a Docker registry
logs Fetch the logs of a container
pause Pause all processes within one or more containers
port List port mappings or a specific mapping for the container
ps List containers
pull Pull an image or a repository from a registry
push Push an image or a repository to a registry
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
rmi Remove one or more images
run Run a command in a new container
save Save one or more images to a tar archive (streamed to STDOUT by default)
search Search the Docker Hub for images
start Start one or more stopped containers
stats Display a live stream of container(s) resource usage statistics
stop Stop one or more running containers
tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
top Display the running processes of a container
unpause Unpause all processes within one or more containers
update Update configuration of one or more containers
version Show the Docker version information
wait Block until one or more containers stop, then print their exit codes
Run 'docker COMMAND --help' for more information on a command.
- 3、查看某个命令具体配置
[root@iZbp15rmf8lyj2yhq136ebZ ~]# docker rmi --help
Usage: docker rmi [OPTIONS] IMAGE [IMAGE...]
Remove one or more images
Options:
-f, --force Force removal of the image
--no-prune Do not delete untagged parents
- 4、docker详细信息查看
执行命令docker info
[root@iZbp15rmf8lyj2yhq136ebZ ~]# docker info
Client:
Debug Mode: false
Server:
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 19.03.5
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: b34a5c8af56e510852c35414db4c1f4fa6172339
runc version: 3e425f80a8c931f88e6d94a8c831b9d5aa481657
init version: fec3683
Security Options:
seccomp
Profile: default
Kernel Version: 3.10.0-957.21.3.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 2
Total Memory: 3.701GiB
Name: iZbp15rmf8lyj2yhq136ebZ
ID: ZOMN:F7HH:AETF:J2DV:YJ62:E7YX:J527:WNU7:PUNP:TQJS:EK4Q:NSII
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
五、启动docker
执行命令sudo systemctl start docker
[root@iZbp15rmf8lyj2yhq136ebZ ~]# sudo systemctl start docker
## 或者 执行
[root@iZbp15rmf8lyj2yhq136ebZ ~]# sudo service docker start
#启动docker
[root@iZbp15rmf8lyj2yhq136ebZ ~]# service docker start
#加入开机启动
[root@iZbp15rmf8lyj2yhq136ebZ ~]# chkconfig docker on