[root@sealos-k8s-node-02 module]# ./docker-install.sh
./docker-install.sh: redirection error: cannot duplicate fd: Too many open files
./docker-install.sh: line 5: /dev/null: Too many open files
warning: audit-libs-2.8.5-4.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY
warning: docker-ce-20.10.7-3.el7.x86_64 (1).rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
war

方法为 docker | 与docker 命令一致发生重定向

function docker(){

docker --version >> /dev/null
#if [ $? != "0" ];then
#        echo "docker install ..."
#        cd /opt/module/docker-ce
#        rpm -ivh *.rpm --force
#fi

echo "docker install ..."
cd /opt/module/docker-ce
rpm -ivh *.rpm --force

cat << EOF > /etc/docker/daemon.json
{
        "exec-opts": ["native.cgroupdriver=systemd"],
        "insecure-registries": ["docker-registry-node:5000"]
}
EOF

systemctl daemon-reload

service docker start
systemctl enable docker

}

docker

修改方法名 docker …