Azure 里的 linux 模板应该是通过了 sshd_config 文件禁用了 Root 登陆，我们只需重新开启即可。sudo suvi /etc/ssh/sshd_config# 在 sshd_config 文件里的 “Authentication” 部分加上以下内容PermitRootLogin yes# 完成以后退出 vi 并保存service sshd restart # 重启 ssh

How To enable the EPEL Repository on RHEL 8 / CentOS 8 Linux[Info] Checking the EPEL repository...[Error] Install EPEL repository failed, please check it.[root@ip-172-31-41-9 opt]# rpm -ql epel-releas

Could not locate executable null\bin\winutils.exe in the Hadoop binaries.

调度中心支持多节点部署，基于数据库行锁，保证触发器的名称和执行时间相同，则只且仅有一个调度中心节点去下发任务给执行器。核心代码可见 XXL-JOB 的 JobScheduleHelper#start() 方法：// JobScheduleHelper.java// 获得行锁conn = XxlJobAdminConfig.getAdminConfig().getDataSource().getCo

yarn 错误There appears to be trouble with your network connection. Retrying…原因：yarn超时解决途径：1、安装好后更换淘宝镜像yarn config set registry https://registry.npm.taobao.org...

Kubespray is a composition of Ansible playbooks, inventory, provisioning tools, and domain knowledge for generic OS/Kubernetes clusters configuration management tasks. Kubespray provides:a highly avai