#/bin/bash#安装依赖yum install -yxinetd tftp-server vsftpd syslinux system-config-kickstart &> /dev/nullsystemctl stop firewalldsetenforce 0#TFTP配置tftpconf="/etc/xinetd.d/tftp"sed -i "/[\t]di/s/yes

docker ps | grep ×docker cp 容器号:/路径 /本地路径

mysql8—三主集群

问题:mysql> grant all privileges on *.* to 'lvhanzhi'@'%' identified by 'Bgx123.com';ERROR 3009 (HY000): Column count of mysql.user is wrong. Expected 45, found 42. Created with MySQL 50560, now runn

一般在vmware安装虚拟机只是默认的一块网卡，不过实验需要双网卡，添加后配置文件没有，这个可以复制，问题是添加的网卡uuid不知道，这里我写上解决的步骤：cd /etc/sysconfig/network-scriptscp ifcfg-eth0 ifcfg-eth1把eth1的uuid，MAC这两行删了，这个是ifcfg-eth0的配置DEVICE=eth0HWADDR=00:0C:29:76

1）使用以下命令下载最新版本：curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"2）验证二进制文件（可选）下载 kubectl 校验和文件：curl -LO "https://dl.k8s.io/$(curl -L -s htt