[求助] 用文件管理器修改/etc/passwd文件后 无法远程链接

adu1314258

用文件管理器修改/etc/passwd文件后  无法远程链接

May 28 15:28:30 XiangXin sshd[1543]: pam_unix(sshd:session): session closed for user root
May 28 15:29:44 XiangXin sshd[1879]: User root not allowed because shell /bin/bash\r does not exist
May 28 15:29:44 XiangXin sshd[1880]: input_userauth_request: invalid user root

May 29 10:28:30 XiangXin sshd[2260]: warning: /etc/hosts.allow, line 9: missing newline or line too long
May 29 10:28:30 XiangXin sshd[2260]: warning: /etc/hosts.deny, line 12: missing newline or line too long

求大神帮看看，万谢！

xshell 远程链接提示：Connection closed by foreign host.