docker 安装
docker 安装
# 在 docker 节点执行
# 腾讯云 docker hub 镜像
# export REGISTRY_MIRROR="https://mirror.ccs.tencentyun.com"
# DaoCloud 镜像
# export REGISTRY_MIRROR="http://f1361db2.m.daocloud.io"
# 阿里云 docker hub 镜像
export REGISTRY_MIRROR=https://registry.cn-hangzhou.aliyuncs.com
# 安装 docker
# 参考文档如下
# https://docs.docker.com/install/linux/docker-ce/centos/
# https://docs.docker.com/install/linux/linux-postinstall/
# 卸载旧版本
yum remove -y docker \
docker-client \
docker-client-latest \
docker-ce-cli \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine
# 设置 yum repository
yum install -y yum-utils \
device-mapper-persistent-data \
lvm2
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# 安装并启动 docker
yum install -y docker-ce-19.03.11 docker-ce-cli-19.03.11 containerd.io-1.2.13
mkdir /etc/docker || true
cat > /etc/docker/daemon.json <<EOF
{
"registry-mirrors": ["${REGISTRY_MIRROR}"],
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2",
"storage-opts": [
"overlay2.override_kernel_check=true"
]
}
EOF
mkdir -p /etc/systemd/system/docker.service.d
# Restart Docker
systemctl daemon-reload
systemctl enable docker
systemctl restart docker
# 关闭 防火墙
systemctl stop firewalld
systemctl disable firewalld
# 关闭 SeLinux
setenforce 0
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config
# 关闭 swap
swapoff -a
yes | cp /etc/fstab /etc/fstab_bak
cat /etc/fstab_bak |grep -v swap > /etc/fstab
# 验证
[root@vm-1]# docker info
Client:
Debug Mode: false
Server:
Containers: 16
Running: 11
Paused: 0
Stopped: 5
Images: 22
Server Version: 19.03.11
Storage Driver: overlay2
Backing Filesystem: xfs
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: systemd
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: 7ad184331fa3e55e52b890ea95e65ba581ae3429
runc version: dc9208a3303feef5b3839f4323d9beb36df0a9dd
init version: fec3683
Security Options:
seccomp
Profile: default
Kernel Version: 3.10.0-1127.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 11.58GiB
Name: vm-autotest-server
ID: KQ5B:KAG5:LLB5:CUD4:NQZX:4GHL:5XLY:FM7X:KRJ5:X3WK:42GV:QLON
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
172.16.62.179:5000
127.0.0.0/8
Registry Mirrors:
https://registry.cn-hangzhou.aliyuncs.com/
Live Restore Enabled: false
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