docker 初次安裝及報錯排查

從 2017 年 3 月開始 docker 在原來的基礎上分為兩個分支版本: docker ce 和 docker ee。

docker ce 即社群免費版，docker ee 即企業版，強調安全，但需付費使用。

本文介紹 docker ce 的安裝使用。

移除舊的版本：

$ sudo yum remove docker \

docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine

新增軟體源資訊：

sudo yum-config-manager --add-repo

sudo yum makecache fast

sudo yum -y install docker-ce

sudo systemctl start docker

[root@runoob ~]# docker run hello-world

fehler: docker-ce conflicts with 2:docker-1.13.1-75.git8633870.el7.centos.x86_64

fehler: docker-ce-cli conflicts with 2:docker-1.13.1-75.git8633870.el7.centos.x86_64

解除安裝方式如：

uninstall old versions

# 開始解除安裝

yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine
# 解除安裝完畢後，進行安裝
yum install docker-ce
# 安裝完畢後啟動
systemctl start docker
# 檢視docker版本
docker --version

[root@prod-bj-db-20-48 sysconfig]# systemctl status docker.service

loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
active: failed (result: exit-code) since tue 2019-10-08 17:25:51 cst; 56s ago
docs: 
process: 152931 execstart=/usr/bin/dockerd-current --add-runtime docker-runc=/usr/libexec/docker/docker-runc-current --default-runtime=docker-runc --exec-opt native.cgroupdriver=systemd --userland-proxy-path=/usr/libexec/docker/docker-proxy-current --init-path=/usr/libexec/docker/docker-init-current --seccomp-profile=/etc/docker/seccomp.json $options $docker_storage_options $docker_network_options $add_registry $block_registry $insecure_registry $registries (code=exited, status=1/failure)
main pid: 152931 (code=exited, status=1/failure)
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: --tlscert string                        path to tls certificate file (default "/etc/docker/cert.pem")
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: --tlskey string                         path to tls key file (default "/etc/docker/key.pem")
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: --tlsverify                             use tls and verify the remote
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: --userland-proxy                        use userland proxy for loopback traffic (default true)
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: --userland-proxy-path string            path to the userland proxy binary
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: --userns-remap string                   user/group setting for user namespaces
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: -v, --version                               print version information and quit
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: run 'dockerd command --help' for more information on a command.
oct 08 17:25:51 prod-bj-db-20-48 dockerd-current[152931]: , code: 125

請使用本文中安裝方法既可以解決

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