出现错误：ERROR: Could not find a version that satisfies the requirement ipython (from versions: none)ERROR: No matching distribution found for ipythonWARNING: You are using pip version 21.2.3; however, ve

#!/bin/bashtouch mv.txt#创建mv本文文件touch sh.long#创建sh日志文件find -name "*.sh" | grep"if.." > mv.txt#执行结尾.sh文件搜索，并通过grep命令提前if命名的文件，写入日志到mv文本文件中if[ -emv.txt]#执行判断mv文本文件 是否存在thencut -c 3-99 mv.txt > sh.

[root@localhost ~]# nmtuiNetworkManaer 未运行。但是ping外网是没有问题的。输入以下命令：yum install NetworkManager-tuiyum-config-manager --enablesystemctl start NetworkManager再次输入nmtui，就可以发现进入设置窗口了后来发现ssh提示连接超时，用虚拟ping主机能连接