SSH启动时崩溃

我的连接SSH到我的VPS不工作了,我检查了auth.log文件,发现这个:

auth.log

Jul 28 20:22:04 warp sshd[31257]: Accepted password for root from MY_IP port 49196 ssh2 Jul 28 20:23:01 warp CRON[31385]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 28 20:23:01 warp CRON[31385]: pam_unix(cron:session): session closed for user root Jul 28 20:23:26 warp sshd[31411]: error: rexec of /usr/sbin/sshd failed: No such file or directory Jul 28 20:23:28 warp sshd[31411]: Accepted password for root from MY_IP port 49229 ssh2 Jul 28 20:24:01 warp CRON[31473]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 28 20:24:01 warp CRON[31473]: pam_unix(cron:session): session closed for user root Jul 28 20:25:01 warp CRON[31584]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 28 20:25:01 warp CRON[31585]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 28 20:25:01 warp CRON[31584]: pam_unix(cron:session): session closed for user root Jul 28 20:25:01 warp CRON[31586]: pam_unix(cron:session): session opened for user munin by (uid=0) Jul 28 20:25:01 warp CRON[31585]: pam_unix(cron:session): session closed for user root Jul 28 20:25:01 warp CRON[31586]: pam_unix(cron:session): session closed for user munin Jul 28 20:26:01 warp CRON[31680]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 28 20:26:01 warp CRON[31680]: pam_unix(cron:session): session closed for user root Jul 28 20:27:01 warp CRON[31724]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 28 20:27:01 warp CRON[31724]: pam_unix(cron:session): session closed for user root Jul 28 20:28:01 warp CRON[31883]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 28 20:28:01 warp CRON[31883]: pam_unix(cron:session): session closed for user root Jul 28 20:28:08 warp sshd[31886]: error: rexec of /usr/sbin/sshd failed: No such file or directory Jul 28 20:28:12 warp sshd[31886]: Invalid user ssh root from MY_IP Jul 28 20:28:12 warp sshd[31886]: input_userauth_request: invalid user ssh root [preauth] Jul 28 20:28:16 warp sshd[31886]: error: Could not get shadow information for NOUSER Jul 28 20:28:16 warp sshd[31886]: Failed password for invalid user ssh root from MY_IP port 50247 ssh2 Jul 28 20:28:19 warp sshd[31886]: Failed password for invalid user ssh root from MY_IP port 50247 ssh2 Jul 28 20:28:24 warp sshd[31886]: Failed password for invalid user ssh root from MY_IP port 50247 ssh2 Jul 28 20:28:26 warp sshd[31886]: Connection closed by MY_IP [preauth] Jul 28 20:28:26 warp sshd[31893]: error: rexec of /usr/sbin/sshd failed: No such file or directory Jul 28 20:28:28 warp sshd[31893]: Invalid user ssh root from MY_IP Jul 28 20:28:28 warp sshd[31893]: input_userauth_request: invalid user ssh root [preauth] Jul 28 20:28:28 warp sshd[31893]: Failed none for invalid user ssh root from MY_IP port 50249 ssh2 

这是我的服务器的最后日志。 这似乎是我上次连接2个月前7月28日20:22:04。 而且我几分钟后因为一个问题“不在/ usr / bin / sshd中,没有这样的文件或目录”

那么…那个文件还存在吗? 如果是这样,可能有一个或多个共享库已经丢失(令人讨厌的是, execve ()对于“缺less二进制文件”和“共享库缺失”)会产生相同的错误,您可以使用ldd /usr/sbin/sshd

有机会,或者是某个人破坏了操作系统,或者你在文件系统的关键部分发生了灾难性的存在失败。 无论哪种方式,你可能要发现究竟有多好,不好,否则你的备份。