host

clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No route to host)

解决：clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No route to host)实验环境：centos7。实验目的：NFS 存储部署。[root@oVirt-Engine ~]# showmou...
2023-05-24 17:14 阅读数 56

【已解决】jupyter notebook 运行代码无反应\内核忙\local host已拒绝链接的问题（亲测成功）

在使用jupyter notebook新建文件或运行代码时无反应或显示local host已拒绝链接的问题时，可能有以下两点原因：1.电脑用户名为中文。2.pyzmq的版本过高。
2023-04-03 20:48 阅读数 157

ssh: connect to host localhost port 22: Connection refused

今天本机安装hadoop 时，遇到一个问题，配置 ssh 登录权限失败xxx@yyy:/opt/hadoop$ ssh localhostssh: connect to host localhost port 22: Connection refused百度搜索了好多文章都没能搞定，最后还是通...
2022-03-12 17:50 阅读数 204

解决The authenticity of host can’t be established ECDSA key fingerprint is SHA256

SSH登录连接Linux服务器提示The authenticity of host can't be established ECDSA key fingerprint is SHA256: Are you sure you want to continue connecting (yes/n...
2021-08-13 07:51 阅读数 56
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