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无法在 Centos 7 中运行 docker

tag-icon • tag-icon docker centos7
无法在 Centos 7 中运行 docker

我按照官方网站的说明安装了 docker，但我得到以下信息（来自journalctl -xe）：

Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.614348477Z" level=info msg="Starting up"
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.646352167Z" level=info msg="parsed scheme: \"unix\"" module=grpc
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.646395968Z" level=info msg="scheme \"unix\" not registered, fallback to default scheme" module=grpc
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.646438441Z" level=info msg="ccResolverWrapper: sending update to cc: {[{unix:///run/containerd/containerd.sock  <nil> 0 <nil>}] <nil> <nil>}" module=grpc
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.646482278Z" level=info msg="ClientConn switching balancer to \"pick_first\"" module=grpc
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.648745422Z" level=info msg="parsed scheme: \"unix\"" module=grpc
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.648780339Z" level=info msg="scheme \"unix\" not registered, fallback to default scheme" module=grpc
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.648824261Z" level=info msg="ccResolverWrapper: sending update to cc: {[{unix:///run/containerd/containerd.sock  <nil> 0 <nil>}] <nil> <nil>}" module=grpc
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.648847918Z" level=info msg="ClientConn switching balancer to \"pick_first\"" module=grpc
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.650640781Z" level=error msg="failed to mount overlay: no such device" storage-driver=overlay2
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.652619063Z" level=error msg="AUFS was not found in /proc/filesystems" storage-driver=aufs
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.653285845Z" level=error msg="failed to mount overlay: no such device" storage-driver=overlay
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.678262705Z" level=warning msg="Your kernel does not support oom control"
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.678323247Z" level=warning msg="Your kernel does not support memory swappiness"
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.678339101Z" level=warning msg="Your kernel does not support kernel memory limit"
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.678352245Z" level=warning msg="Your kernel does not support kernel memory TCP limit"
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.678365163Z" level=warning msg="Unable to find cpu cgroup in mounts"
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.678378018Z" level=warning msg="Unable to find cpuset cgroup in mounts"
Sep 12 11:15:16 myhostname dockerd[18504]: time="2021-09-12T11:15:16.678391295Z" level=warning msg="Unable to find pids cgroup in mounts"
Sep 12 11:15:16 myhostname dockerd[18504]: failed to start daemon: Devices cgroup isn't mounted

系统信息：： OSCentos 7 Kernel Version：3.10

的输出cat /etc/os-release为：

NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

的输出uname -r为：

3.10.0-042stab141.3

答案1

您的“虚拟机” VPS 实际上不是 VM，而是 OpenVZ 容器。您无法在此环境中运行 Docker。请购买不使用 OpenVZ 的其他 VPS。

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