Friday, August 05, 2005

tools4ever Free Command Line Tools

Freeware scriptable command line network connectivity tools - I find T4ePortPing especially useful when checking connectivity to devices through a firewall. ICMP may be blocked, but TCP... that's an open book. ;-)
"Looking for a set of powerful command line utilities to integrate in your scripts or in your own application? We have put together a bundle of useful command line utilities for managing your network faster and more efficiently:"

T4eWebPing
Gets the response time and header code for any input URL; great for testing scripts, execution times and 404 errors on your website.
T4ePortPing
Connects to any TCP/IP port and retrieves the response time and error code. You can use this at the command line to check a single IP and port, or in scripts to automatically see which ports are open on your clients or servers.
T4eSQL
Connects to any ODBC database and executes a custom query, results can be written to a text file; useful for database monitoring (systables).
T4eDirSize
Gets the free and used space of any directory or share, also counts the number of special files (encrypted, readonly, hidden, system, etc); great for monitoring free space and file statistics.
T4eRexec
This command line utility is similar to the Windows REXEC command, but accepts a password as input and can therefore run in unattended mode. To run commands on a REXEC compatible OS, such as Linux, the REXEC daemon has to be running on the target system. Note that passwords are transmitted in clear text, for a more secure version look to the SSH versions below.
T4eSSH
A secure implementation of the SSH protocol to get access to a UNIX/Linux operating system. This implementation uses the OpenSSH library and can run in unattended mode when using private and public key files.
T4eUnixInfo
This tool uses the REXEC daemon to remotely execute several pre-defined scripts compatible with Linux, to get system specific information such as DISK, MEMORY, SWAP and CPU. Note that the password to access the remote operating system is transmitted in clear text, look below for a secure SSH implementation.
T4eSSHUnixInfo
This tool uses the SSH daemon to securely execute several pre-defined scripts compatible with Linux, to get system specific information such as DISK, MEMORY, SWAP and CPU. This implementation uses the OpenSSH library and can run in unattended mode when using private and public key files.

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