ssh: connect to host github.com port 22: Connection refusedfatal: Could not read from remote reposi
当执行git命令如:gitclone、gitpull等等出现报错:ssh:connecttohostgithub.comport22:Connectiontimedoutfatal:Couldnotreadfromremoterepository.Pleasemakesureyouhavethecorrectaccessrightsandtherepositoryexists