There is some notes while I am learning Ubuntu Operate System! (Ask Ubuntu & Fedora) 1-- Hard link : ln command have different parm. Hard link means that the two files is connect together for backup the original files.If you edit any of the two files
一.在ansible安装完毕后一般需要以SSH的方式连接到需要进行管理的目标主机,一开始遇到了如下问题: 192.168.15.4 | UNREACHABLE! => { "changed": false, "msg": "Failed to connect to the host via ssh: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).\