popozy
f3bb552f2a
lose apt-mark unhold kubectl when apt-get install kubectl. If not unhold kubectl, it would return the error follows: ``` shell root@ecs-k8s-master:~# apt-mark unhold kubelet && apt-get update && apt-get install -y kubelet=1.15.0-00 kubectl=1.15.0-00 && apt-mark hold kubelet kubelet was already not hold. Hit:1 https://download.docker.com/linux/ubuntu xenial InRelease Hit:2 https://mirrors.tuna.tsinghua.edu.cn/ubuntu xenial InRelease Hit:3 https://mirrors.tuna.tsinghua.edu.cn/ubuntu xenial-updates InRelease Get:4 https://mirrors.tuna.tsinghua.edu.cn/ubuntu xenial-backports InRelease [107 kB] Hit:4 https://mirrors.tuna.tsinghua.edu.cn/ubuntu xenial-backports InRelease Hit:5 https://mirrors.tuna.tsinghua.edu.cn/ubuntu xenial-security InRelease Hit:6 https://packages.cloud.google.com/apt kubernetes-xenial InRelease Reading package lists... Done Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: linux-headers-4.4.0-145 linux-headers-4.4.0-145-generic linux-image-4.4.0-145-generic linux-modules-4.4.0-145-generic Use 'apt autoremove' to remove them. The following held packages will be changed: kubectl The following packages will be upgraded: kubectl kubelet 2 upgraded, 0 newly installed, 0 to remove and 9 not upgraded. E: Held packages were changed and -y was used without --allow-change-held-packages. ```