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2018-01-30

2018-01-30

作者: YongpingZhao | 来源:发表于2018-02-01 17:35 被阅读0次

install jdk in ubuntu 16

sudo apt-get install openjdk-8-jdk
sudo apt-get install openjdk-8-source #this is optional, the jdk source code
apt-cache search jdk

add below to ~/.bash_profile

export JAVA_HOME=/usr/lib/jvm/java-8-openjdk
export PATH=$PATH:/usr/lib/jvm/java-8-openjdk/bin

then logout and login.

xargs 命令

[root@node-00 ~]# kubectl get pods -n kube-system|grep OutOfcpu
apacheds-slave-v47q6-1877407820-vg8sv    0/1       OutOfcpu           0          8d
container-log-bcgfl-525005328-fj3l7      0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-0pnp4         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-14dff         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-3b2xc         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-3r8w8         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-4rpj5         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-6n8n7         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-6wx54         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-86fj2         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-ccvwl         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-dzts3         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-g9npt         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-gf11b         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-k9r0n         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-lg56d         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-lmzrv         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-lzvrn         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-nsw99         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-s64kl         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-t4t4t         0/1       OutOfcpu           0          8d
dashboard-j2qpf-2583856500-tkz0s         0/1       OutOfcpu           0          8d
guardian-server-v47q6-3333958911-sws8d   0/1       OutOfcpu           0          8d
kube-metrics-87xvt-1260086222-44msn      0/1       OutOfcpu           0          8d
tdh-license-x9459-4290184508-8d439       0/1       OutOfcpu           0          8d
terminal-nl5wd-871168735-3m54t           0/1       OutOfcpu           0          8d

## kill 一行命令所有这些pods
kubectl get pods -n kube-system|grep OutOfcpu|awk '{print $1}'|xargs kubectl delete pods {} -n kube-system

xargs是一个高效有用的shell 命令.


xargs.png

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