yum remove -y \
docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
yum install -y \
yum-utils \
device-mapper-persistent-data \
lvm2
yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
yum install -y docker-ce docker-ce-cli containerd.io
service docker restart
chkconfig docker on
iptables FORWARD
sed -i "13i ExecStartPost=/usr/sbin/iptables -P FORWARD ACCEPT" /usr/lib/systemd/system/docker.service
配置docker使用systemd驱动,相比默认的cgrouops更稳定:
cat > /etc/docker/daemon.json <<EOF
{
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2"
}
EOF
重启
mkdir -p /etc/systemd/system/docker.service.d
systemctl daemon-reload
systemctl enable docker
systemctl start docker
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