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本文基于HD-RK3568-IOT評估板演示Debian系統安裝Docker，該方法適用于RK356X全系產品。 HD-RK3568-IOT評估板基于HD-RK3568-CORE 工業級核心板設計（雙網口、雙CAN、5路串口），接口豐富，適用于工業現場應用需求，亦方便用戶評估核心板及CPU 的性能。適用于工業自動化控制、人機界面、中小型醫療分析器、電力等多種行業應用。 1. 檢測內核配置 使用 Docker 需要內核支持 CGROUP、BRIDGE 等功能，如果內核中未開啟相關配置，安裝或運行 Docker 會出現各種錯誤。Docker開源團隊提供了一個腳本https://github.com/moby/moby/blob/master/contrib/check-config.sh，用以檢測內核配置是否符合Docker運行的要求。 下載腳本到源碼內核目錄下。輸入如下命令： chmod 777 check-config.sh ./check-config.sh .config |注：.config需要在內核配置完后才會生成 check-config.sh使用方法如下: # ./check_config.sh ./kernel/.config info: reading kernel config from ./kernel/.config ... Generally Necessary: - cgroup hierarchy: properly mounted [/sys/fs/cgroup] - apparmor: enabled and tools installed - CONFIG_NAMESPACES: enabled - CONFIG_NET_NS: enabled - CONFIG_PID_NS: enabled - CONFIG_IPC_NS: enabled - CONFIG_UTS_NS: enabled - CONFIG_CGROUPS: enabled - CONFIG_CGROUP_CPUACCT: enabled - CONFIG_CGROUP_DEVICE: enabled - CONFIG_CGROUP_FREEZER: enabled - CONFIG_CGROUP_SCHED: enabled - CONFIG_CPUSETS: enabled - CONFIG_MEMCG: missing - CONFIG_KEYS: enabled - CONFIG_VETH: missing - CONFIG_BRIDGE: missing - CONFIG_BRIDGE_NETFILTER: missing - CONFIG_IP_NF_FILTER: missing - CONFIG_IP_NF_TARGET_MASQUERADE: missing - CONFIG_NETFILTER_XT_MATCH_ADDRTYPE: missing - CONFIG_NETFILTER_XT_MATCH_CONNTRACK: missing - CONFIG_NETFILTER_XT_MATCH_IPVS: missing - CONFIG_IP_NF_NAT: missing - CONFIG_NF_NAT: missing - CONFIG_POSIX_MQUEUE: missing Optional Features: - CONFIG_USER_NS: enabled - CONFIG_SECCOMP: enabled - CONFIG_SECCOMP_FILTER: enabled - CONFIG_CGROUP_PIDS: missing - CONFIG_MEMCG_SWAP: missing - CONFIG_MEMCG_SWAP_ENABLED: missing - CONFIG_BLK_CGROUP: missing - CONFIG_BLK_DEV_THROTTLING: missing - CONFIG_CGROUP_PERF: missing - CONFIG_CGROUP_HUGETLB: missing - CONFIG_NET_CLS_CGROUP: missing - CONFIG_CGROUP_NET_PRIO: missing - CONFIG_CFS_BANDWIDTH: enabled - CONFIG_FAIR_GROUP_SCHED: enabled - CONFIG_RT_GROUP_SCHED: missing - CONFIG_IP_NF_TARGET_REDIRECT: missing - CONFIG_IP_VS: missing - CONFIG_IP_VS_NFCT: missing - CONFIG_IP_VS_PROTO_TCP: missing - CONFIG_IP_VS_PROTO_UDP: missing - CONFIG_IP_VS_RR: missing - CONFIG_SECURITY_SELINUX: missing - CONFIG_SECURITY_APPARMOR: missing 2. 安裝docker 執行以下命令安裝Docker： update-alternatives --set iptables /usr/sbin/iptables-legacy update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy curl -fsSL https://get.docker.com -o get-docker.sh sudo sh get-docker.sh echo "{"registry-mirrors":["https://reg-mirror.qiniu.com/"]}" > /etc/docker/daemon.json sudo systemctl daemon-reload sudo systemctl restart docker 3. 配置國內鏡像加速 修改配置文件/etc/docker/daemon.json，配置完后重啟系統。 {"registry-mirrors": [ "https://ung2thfc.mirror.aliyuncs.com", "https://registry.docker-cn.com", "http://hub-mirror.c.163.com", "https://docker.mirrors.ustc.edu.cn"]} 4. 驗證測試 root@hd-rk3568:~ $ docker run hello-world 若打印信息提示“Hello from Decoker ！”則說明已經安裝成功，驗證通過。 5. Docker常用操作
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