https://www.freeformatter.com/java-regex-tester.html
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Java正则表达式在线验证工具
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https://www.freeformatter.com/java-regex-tester.html
[......]
由于众所周知的原因,国内是无法访问k8s所需的gcr镜像的,也就无法直接部署集群。
我们可以通过国内镜像预下载gcr、重命名的方法,完成部署。
环境:Ubuntu 20.04,3台
0 确认系统参数
lsmod | grep br_netfilter
br_netfilter
sysctl net.bridge.bridge-nf-call-iptables
net.bridge.bridge-nf-call-iptables = 1
sysctl net.b[......]
https://segmentfault.com/a/1190000014105687
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grep -c "xxx" file
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sudo vim /etc/netplan/50-cloud-init.yaml
network:
version: 2
ethernets:
ens18:
dhcp4: true
match:
macaddress: xx:xx:xx:xx:xx:xx
set-name: ensxx
addresses:[......]