Solutions to ssh connection failure while sftp connection failure

The solution for ssh connection and sftp connection failure is that FileZilla was used to log on to a remote server from yesterday. ssh login is OK because it is a server and cannot be moved. I checked a lot of information and finally solved the problem. First, check the system security log www.2cto.com [ro...
The solution for ssh connection and sftp connection failure is that FileZilla was used to log on to a remote server from yesterday. ssh login is OK because it is a server and cannot be moved. I checked a lot of information and finally solved the problem. First, check the system's security log www.2cto.com [root @ localhost sbin] # cat/var/log/secure | grep sftp display information: Nov 15 12:43:30 localhost sshd [22938]: error: subsystem: cannot stat/usr/libexec/openssh/sftp-server: No such file or directoryNov 15 12:43:30 localhost sshd [22938]: subsystem request for sftp failed, subsystem not foundNov 15 13:18:01 localhost sshd [25093]: subsystem request for sftp can be seen that there is no sftp-server directory Find the [root @ localhost sbin] # locate sftp-server/usr/local/libexec/openssh/sftp-serverlocate ftp-server, the directory is different from the one in the configuration file [root @ localhost sbin] # vi/etc/ssh/sshd_config modify the final sftp directory in the following configuration file # override default of no subsystemsSubsystem sftp/usr /local/libexec/openssh/sftp-serverreload the sshd [root @ localhost sbin] #/etc/init. d/sshd reload and try again. OK.