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Top Forums UNIX for Dummies Questions & Answers How to check if an application has been installed on a unix/linux box? Post 302533967 by sk1418 on Sunday 26th of June 2011 06:18:30 AM
Old 06-26-2011
How to check if an application has been installed on a unix/linux box?

hi, guys,

now I face a problem. I have developed an application, and when it starts, it shall check if an application has been installed on the running linux/unix. If result is positive, i do something with the application command.

just as an example: I want to check if sshd has been installed. this requirement is supposed to be distribution independent. So
on my Arch box, usually "sshd" can be found at /etc/rc.d/sshd
however on a debian/ubuntu box, it usually is located at /etc/init.d/sshd
is there a general way, say give me the "/etc/rc.d" or "/etc/init.d" directory on the system?

thanx
 

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sftp-server(1M) 					  System Administration Commands					   sftp-server(1M)

NAME
sftp-server - SFTP server subsystem SYNOPSIS
/usr/lib/ssh/sftp-server DESCRIPTION
sftp-server implements the server side of the SSH File Transfer Protocol as defined in the IETF draft-ietf-secsh-filexfer. sftp-server is a subsystem for sshd(1M) and must not be run directly. There are no options or config settings. To enable the sftp-server subsystem for sshd add the following to /etc/ssh/sshd_config: Subsystem sftp /usr/lib/ssh/sftp-server See sshd_config(4) for a description of the format and contents of that file. There is no relationship between the protocol used by sftp-server and the FTP protocol (RFC 959) provided by in.ftpd. EXIT STATUS
The following exit values are returned: 0 Successful completion. >0 An error occurred. FILES
/usr/lib/sftp-server ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWsshdu | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ SEE ALSO
sftp(1), ssh(1), ssh-add(1), ssh-keygen(1), sshd(1M), sshd_config(4), attributes(5) To view license terms, attribution, and copyright for OpenSSH, the default path is /var/sadm/pkg/SUNWsshdr/install/copyright. If the Solaris operating environment has been installed anywhere other than the default, modify the given path to access the file at the installed location. AUTHOR
Markus Friedl SunOS 5.10 30 Jul 2003 sftp-server(1M)
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