docker在系统重启后无法正常启动 通过dockerd直接运行发现报错
WARN[2020-09-16T15:43:26.703290910+08:00] Unable to find cpu cgroup in mounts
遂上网搜寻解决办法 发现了一个脚本 分享一下 （脚本源地址无法找到 保留了作者 可以在github上找到）
#!/bin/sh
# Copyright 2011 Canonical, Inc
# 2014 Tianon Gravi
# Author: Serge Hallyn <serge.hallyn@canonical.com>
# Tianon Gravi <tianon@debian.org>
set -e
# for simplicity this script provides no flexibility
# if cgroup is mounted by fstab, don't run
# don't get too smart - bail on any uncommented entry with 'cgroup' in it
if grep -v '^#' /etc/fstab | grep -q cgroup; then
echo 'cgroups mounted from fstab, not mounting /sys/fs/cgroup'
exit 0
fi
# kernel provides cgroups?
if [ ! -e /proc/cgroups ]; then
exit 0
fi
# if we don't even have the directory we need, something else must be wrong
if [ ! -d /sys/fs/cgroup ]; then
exit 0
fi
# mount /sys/fs/cgroup if not already done
if ! mountpoint -q /sys/fs/cgroup; then
mount -t tmpfs -o uid=0,gid=0,mode=0755 cgroup /sys/fs/cgroup
fi
cd /sys/fs/cgroup
# get/mount list of enabled cgroup controllers
for sys in $(awk '!/^#/ { if ($4 == 1) print $1 }' /proc/cgroups); do
mkdir -p $sys
if ! mountpoint -q $sys; then
if ! mount -n -t cgroup -o $sys cgroup $sys; then
rmdir $sys || true
fi
fi
done
# example /proc/cgroups:
# #subsys_name hierarchy num_cgroups enabled
# cpuset 2 3 1
# cpu 3 3 1
# cpuacct 4 3 1
# memory 5 3 0
# devices 6 3 1
# freezer 7 3 1
# blkio 8 3 1
exit 0运行脚本后docker 可以正常启动
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