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1、安装用户有sudo权限
2、本文讲docker组件安装#xff0c;不是桌面程序安装
3、本文讲离线安装#xff0c;不是在线安装
4、目标机器是内网机器#xff0c;与外部网络不连通
下载
1、下载离线安装包#xff0c;并上传到$HOME/basic-tool 目录 下载地址不是桌面程序安装
3、本文讲离线安装不是在线安装
4、目标机器是内网机器与外部网络不连通
下载
1、下载离线安装包并上传到$HOME/basic-tool 目录 下载地址Index of linux/static/stable/x86_64/
我下的这个
https://download.docker.com/linux/static/stable/x86_64/docker-27.5.1.tgz
理由rpm的安装起来反而麻烦缺这个库缺那个库的
# Docker 的扩展功能包在离线安装包下载地址页面 https://download.docker.com/linux/static/stable/x86_64/docker-rootless-extras-27.5.1.tgz 说明rootless 通常指的是不需要 root 权限就能运行 Docker 的特性
安装
1、解压
cd $HOME/basic-tooltar -xvf docker-27.5.1.tgz
2、安装
sudo cp docker/* /usr/bin/
3、注册docker.service服务
# 用vi就行了vim用的刚装的机器上都没这命令vi /etc/systemd/system/docker.service
[Unit]
DescriptionDocker Application Container Engine
Documentationhttps://docs.docker.com
Afternetwork-online.target firewalld.service
Wantsnetwork-online.target
[Service]
Typenotify
ExecStart/usr/bin/dockerd --selinux-enabledfalse --insecure-registry127.0.0.1
ExecReload/bin/kill -s HUP $MAINPID
LimitNOFILEinfinity
LimitNPROCinfinity
LimitCOREinfinity
TimeoutStartSec0
Delegateyes
KillModeprocess
Restarton-failure
StartLimitBurst3
StartLimitInterval60s
[Install]
WantedBymulti-user.target
4、添加镜像加速(此步可选)
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json -EOF
{oom-score-adjust: -1000,log-driver: json-file,log-opts: {max-size: 20m,max-file: 3},max-concurrent-downloads: 10,max-concurrent-uploads: 10,registry-mirrors: [https://sto5ef1n.mirror.aliyuncs.com],storage-driver: overlay2,storage-opts: [overlay2.override_kernel_checktrue]
}
EOF5、创建 Docker 组并添加当前用户
# 添加用户组 docker
sudo groupadd docker# 添加用户
sudo usermod -aG docker $USER
# 等价于
# sudo usermod -aG docker xxx(当前用户名)#更新用户组
newgrp docker
6、启动 Docker 服务
sudo chmod 777 /etc/systemd/system/docker.service
sudo systemctl daemon-reload
sudo systemctl enable docker
sudo systemctl start docker
7、验证安装
systemctl status docker
docker -v
docker info
常见问题
1、执行docker命令时报权限错
[zhaoXXXXXXGZXXX-PM153161 basic-tool]$ docker ps
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock:
Get http://%2Fvar%2Frun%2Fdocker.sock/v1.24/containers/json:
dial unix /var/run/docker.sock: connect: permission denied
解决更新用户组
#更新用户组
newgrp docker
2、启动docker守护进程报错
[zhao****GZ****-PM153160 ~]$ sudo systemctl restart docker
Job for docker.service failed because the control process exited with error code.
See systemctl status docker.service and journalctl -xe for details.
解决配置文件语法问题。删除解析不了的配置
查看报错详细日志一般能看到提示了配置文件具体哪行的语法错不同的版本支持的配置参数有差异
# 查看 docker 守护进程日志
journalctl -u docker.service
3、登陆私有镜像仓库报错
[zhao****GZ****-PM153160 ~]$ docker login 10.130.***.106:30089
Username: admin
Password:
Error response from daemon: Get https://10.130.***.106:30089/v2/: tls: failed to verify certificate: x509: cannot validate certificate for 10.130.***.106 because it doesnt contain any IP SANs
解决换成域名
[zhao***GZ***-PM153160 ~]$ docker login harbor.***.com:30089
Username: admin
Password:
WARNING! Your password will be stored unencrypted in /home/zhaozheng/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credential-storesLogin Succeeded 总结 因大部分文章都不完整不是少这步就是少那步本文章是作者看了网上多个文章后取其精华并完善整理而来。作者此贴已亲测并验证通过请放心参考 附件
附件一创建linux用户
# 创建用户组上面有执行过
# groupadd docker -g 200# 创建 docker 用户 第一个docker是分组名第二个docker是用户名
sudo useradd -g docker docker
sudo usermod -aG docker docker# 修改 docker 用户密码
passwd docker
附件二将docker添加到sudo用户列表
# 没错这里就是vi和sudo两命令连在一起中间没有空格
visudo
# 最后一行添加保存即刻生效
docker ALL(ALL) NOPASSWD:ALL 附件三docker desktop下载
docker桌面程序下载地址 https://www.docker.com/ 附件四rpm相关包下载地址
本文不需要用
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-26.1.4-1.el7.x86_64.rpm
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.6.33-3.1.el7.x86_64.rpm # policycoreutils-python安装装docker-ce-selinux的依赖本文不需要用 policycoreutils-python-2.5-34.el7.x86_64.rpm 附件五不采用rpm包的理由
rpm的安装起来缺这个库缺那个库的
[zhaoXXXXXGZXXX-PM153161 basic-tool]$ sudo rpm -ivh containerd.io-1.6.33-3.1.el7.x86_64.rpm
warning: containerd.io-1.6.33-3.1.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
error: Failed dependencies:container-selinux 2:2.74 is needed by containerd.io-1.6.33-3.1.el7.x86_64
[zhaoXXXXXGZXXX-PM153161 basic-tool]$ sudo rpm -ivh docker-ce-20.10.24-3.el7.x86_64.rpm
warning: docker-ce-20.10.24-3.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
error: Failed dependencies:container-selinux 2:2.74 is needed by docker-ce-3:20.10.24-3.el7.x86_64containerd.io 1.4.1 is needed by docker-ce-3:20.10.24-3.el7.x86_64docker-ce-cli is needed by docker-ce-3:20.10.24-3.el7.x86_64docker-ce-rootless-extras is needed by docker-ce-3:20.10.24-3.el7.x86_64libcgroup is needed by docker-ce-3:20.10.24-3.el7.x86_64
[zhaoXXXXXGZXXX-PM153161 basic-tool]$ sudo rpm -ivh docker-ce-rootless-extras-20.10.24-3.el7.x86_64.rpm
warning: docker-ce-rootless-extras-20.10.24-3.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
error: Failed dependencies:docker-ce is needed by docker-ce-rootless-extras-0:20.10.24-3.el7.x86_64fuse-overlayfs 0.7 is needed by docker-ce-rootless-extras-0:20.10.24-3.el7.x86_64slirp4netns 0.4 is needed by docker-ce-rootless-extras-0:20.10.24-3.el7.x86_64
[zhaoXXXXXGZXXX-PM153161 basic-tool]$ sudo rpm -ivh policycoreutils-python-2.5-34.el7.x86_64.rpm
warning: policycoreutils-python-2.5-34.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY
error: Failed dependencies:audit-libs-python 2.1.3-4 is needed by policycoreutils-python-2.5-34.el7.x86_64checkpolicy is needed by policycoreutils-python-2.5-34.el7.x86_64libapol.so.4()(64bit) is needed by policycoreutils-python-2.5-34.el7.x86_64libapol.so.4(VERS_4.0)(64bit) is needed by policycoreutils-python-2.5-34.el7.x86_64libcgroup is needed by policycoreutils-python-2.5-34.el7.x86_64libqpol.so.1()(64bit) is needed by policycoreutils-python-2.5-34.el7.x86_64libqpol.so.1(VERS_1.2)(64bit) is needed by policycoreutils-python-2.5-34.el7.x86_64libqpol.so.1(VERS_1.4)(64bit) is needed by policycoreutils-python-2.5-34.el7.x86_64libselinux-python is needed by policycoreutils-python-2.5-34.el7.x86_64libsemanage-python 2.5-14 is needed by policycoreutils-python-2.5-34.el7.x86_64policycoreutils 2.5-34.el7 is needed by policycoreutils-python-2.5-34.el7.x86_64python-IPy is needed by policycoreutils-python-2.5-34.el7.x86_64setools-libs 3.3.8-4 is needed by policycoreutils-python-2.5-34.el7.x86_64
附件六iptables对外开放5151端口
sudo iptables -I INPUT -p tcp --dport 5151 -j ACCEPT
