(combined from similar events): Failed to create pod sandbox: rpc error: code = Unknown desc = failed to start sandbox container for pod “config-center-75cccff6b6-2x2t6”: Error response from daemon: OCI runtime create failed: container_linux.go:380: starting container process caused: process_linux.go:385: applying cgroup configuration for process caused: mkdir /sys/fs/cgroup/memory/kubepods/burstable/podb06d1cd5-1346-4110-a38d-e8e6eef63e20/a1dae23273fa6d757e0c0367199495c3b60edb2fec874a819edd7ac2ba273647: cannot allocate memory: unknownhttps://www.cndba.cn/Supreme_Aaron/article/107755https://www.cndba.cn/Supreme_Aaron/article/107755https://www.cndba.cn/Supreme_Aaron/article/107755

unable to ensure pod container exists: failed to create container for [kubepods burstable pod1a33e71d-61fe-48e4-9e0f-07e1eb741585] : mkdir /sys/fs/cgroup/memory/kubepods/burstable/pod1a33e71d-61fe-48e4-9e0f-07e1eb741585: cannot allocate memoryhttps://www.cndba.cn/Supreme_Aaron/article/107755

reslolve：用的3.10的内核 升级内核版本。https://www.cndba.cn/Supreme_Aaron/article/107755

env_date=`date +"%Y-%m-%d"`
mv /etc/yum.repos.d /etc/yum.repos.d.$env_date.bak
mkdir /etc/yum.repos.d
cat > /etc/yum.repos.d/fingard.repo <<EOF
[nexusrepo]
name=Nexus Repository
baseurl=http://10.60.44.54:8081/repository/TsingYumProxy/centos//$releasever/os//$basearch/
enabled=1
gpgcheck=0
priority=0
[nexusrepo-epel]
name=Nexus Repository
baseurl=http://10.60.44.54:8081/repository/TsingYumProxy/epel/7//$basearch
enabled=1
gpgcheck=0
priority=0
[extras]
name=Nexus Repository-extras
baseurl=http://10.60.44.54:8081/repository/TsingYumProxy/centos//$releasever/extras//$basearch/
enabled=1
gpgcheck=0
priority=0
[docker-ce]
name=nexus docker
baseurl=http://10.60.44.54:8081/repository/TsingYumProxy/docker-ce/linux/centos//$releasever//$basearch/stable
enabled=1
gpgcheck=0
priority=0
gpgkey=http://10.60.44.54:8081/repository/TsingYumProxy/docker-ce/linux/centos/gpg
[kubernetes]
name=kubernetes
baseurl=http://10.60.44.54:8081/repository/TsingYumProxy/kubernetes/yum/repos/kubernetes-el7-/$basearch
enabled=1
gpgcheck=0
repo_gpgcheck=0
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg
        https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
[elrepo]
name=ELRepo.org Community Enterprise Linux Repository - el7
baseurl=http://10.60.44.54:8081/repository/TsingYumProxy/elrepo/elrepo/el7//$basearch/
mirrorlist=http://mirrors.elrepo.org/mirrors-elrepo.el7
enabled=1
gpgcheck=0
protect=0
[elrepo-kernel]
name=ELRepo.org Community Enterprise Linux Kernel Repository - el7
baseurl=http://10.60.44.54:8081/repository/TsingYumProxy/elrepo/kernel/el7//$basearch/
mirrorlist=http://mirrors.elrepo.org/mirrors-elrepo-kernel.el7
enabled=0
gpgcheck=0
protect=0

EOF
cat /etc/yum.repos.d/fingard.repo
yum makecache fast



# 最新长期支持版：5.4.180-1.el7.elrepo.x86_64
yum --disablerepo="*" --enablerepo="elrepo-kernel" list available
yum --enablerepo=elrepo-kernel install kernel-lt kernel-lt-devel -y
# 列出启动项选择
grep "^menuentry" /boot/grub2/grub.cfg | cut -d "'" -f2
grep "^menuentry" /etc/grub2-efi.cfg | cut -d "'" -f2
# 设置启动内核
grub2-set-default 0
# 重启生效
# reboot

版权声明：本文为博主原创文章，未经博主允许不得转载。