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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 62

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 210
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