KVM virt-install 安装虚拟机 virt-install 示例 virt-install \ --name=pc01 \ --graphics vnc,listen=0.0.0.0,port=5901,keymap=en_us \ --ram=1024 \ --vcpus=1 \ --disk path=/var/lib/libvirt/images/pc01.img,size=9,format=qcow2 \ --bridge=virbr0 \ --location=ftp://172.16.8.100/rhel6.6 \ --extra-args="ks=ftp://172.16.8.100/rhel6.4.ks" virt-install \ --name=pc02 \ --graphics vnc,listten=0.0.0.0,port=5920,keymap=en_us \ --noautoconsole \ --ram=1024 \ --vcpus=1 \ --disk path=/var/lib/libvirt/images/pc02.img,size=9,format=qcow2 \ --bridge=virbr0 \ --location=ftp://172.16.8.100/rhel6.4 \ --extra-args="ks=ftp://172.16.8.100/rhel6.4.ks" virt-install \ --name=pc03 \ --nographics \ --ram=1024 \ --vcpus=1 \ --disk path=/var/lib/libvirt/images/pc03.img,size=9,format=qcow2 \ --bridg=virbr0 --location=ftp://172.16.8.100/rhel6.4 \ --extra-args="ks=ftp://172.16.8.100/rhel6.4.ks console=tty0 console=ttyS0" #

一、flutter 安装 https://flutter.cn/docs/get-started/install 安装源国内地址： export PUB_HOSTED_URL=https://pub.flutter-io.cn export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn flutter docker镜像打包 1、flutter FROM --platform=linux/amd64 debian:bullseye ARG FLUTTER_VERSION=2.2.3 ENV LANG=C.UTF-8 ENV PUB_HOSTED_URL=https://pub.flutter-io.cn ENV FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn ENV TZ=Asia/Shanghai ENV DEBIAN_FRONTEND=noninteractive RUN sed -i 's/\w*.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list RUN apt-get update && apt-get upgrade

镜像同步 参考链接： https://lework.github.io/2020/04/13/skopeo/ https://blog.k8s.li/skopeo.html 日常工作中，需要将各种镜像搬到对应的仓库中，docker 适合于构建镜像，将镜像推送于仓库中。镜像被推送到仓库中后，如果

Redis Redis 特点 开源数据库 配置简单 支持内存存储数据 支持持久化存储数据 datafile 数据文件 *.rdb aof(append only file)文件，日志文件 支持多实例部署 支持主从复制、集群 支持事务

腾讯云轻量优化 #!/bin/bash #fuck tx process rm -rf /usr/local/sa rm -rf /usr/local/agenttools rm -rf /usr/local/qcloud process=(sap100 secu-tcs-agent sgagent64 barad_agent agent agentPlugInD pvdriver ) for i in ${process[@]} do for A in $(ps aux |grep $i |grep -v grep |awk '{print $2}') do kill -9 $A done done chkconfig --level 35 postfix off service postfix stop echo ''>/var/spool/cron/root echo '#!/bin/bash' >/etc/rc.local git-code https://github.com/4x99/code6 RHE

MetalLB 自建k8s的 loadbalancer https://www.lixueduan.com/posts/cloudnative/01-metallb/ https://www.bboy.app/2021/01/11/metallb%E9%83%A8%E7%BD%B2%E4%BD%BF%E7%94%A8/ https://ieevee.com/tech/2019/06/30/metallb.html https://cloud.tencent.com/developer/article/2146391#:~:text=%E9%83%A8%E7%BD%B2%E5%AE%89%E8%A3%85,Metallb%E6%94%AF%E6%8C%81%E9%80%9A%E8%BF%87Kuberntes%E6%B8%85%E5%8D%95%E3%80%81Helm%E5%92%8CKustomize%E6%96%B9%E5%BC%8F%E8%BF%9B%E8%A1%8C%E9%83%A8%E7%BD%B2%EF%BC%8C%E6%9C%AC%E6%96%87%E6%88%91%E4%BB%AC%E5%B0%86%E4%BB%A5Kuberntes%E6%B8%85%E5%8D%95%E4%B8%BA%E4%BE%8B%E4%BB%8B%E7%BB%8D%E4%BA%A7%E5%93%81%E7%9A%84%E9%83%A8%E7%BD%B2%E5%AE%89%E8%A3%85%EF%BC%8C%E9%83%A8%E7%BD%B2%E7%9A%84%E7%89%88%E6%9C%AC%E4%B8%BA%E6%9C%80%E6%96%B0%E7%9A%84v0.13.4%E3%80%82 简介 在Kubernetes部署完成服务后，我们经常需要将服务开放给到外部用户访问 。如果是使用云平台（阿里云、腾讯云、