06-03-2012
Server dependencies
Quote:
Originally Posted by
frappa
If you're trying to look for what network services the server is acting as a client (that is, applications running on the server that are acting as clients with regard to some network services):
For example, the web server depends on DNS. But I'm not sure if the web server would be a DNS client?
Quote:
Originally Posted by
frappa
netstat: look at external ports/services the server has in state ESTABLISHED or CLOSE_WAIT; run this command if you have a login account on the server. You could find services provided by the server itself (i.e. applications from the monitored server connecting to TCP/UDP sockets on the server itself).
But how do you identify services a server is a client for? Is it if the port is not a common port number?
Basically, I need to find out about server relationships- how to identify what services a server is dependent on. Like how to use CLI for example to find out that email depends on DNS.
Thanks, I appreciate any help!
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ris(8) System Manager's Manual ris(8)
Name
ris - remote installation services utility
Syntax
/etc/ris
Description
The utility performs remote installation services which install system software to a client machine through the TCP/IP local network. The
client machine can be a VAX or a RISC machine.
The server on which the remote installation services area is located can be either a VAX or a RISC machine.
The remote installation services utility uses the directory as a base. When you install the first product to the utility creates a remote
installation services area. The area is called either or
The area contains one or more ULTRIX software products. Each product contains the subsets of the kits that can be installed to clients on
a network. Clients registered for an area install software over the network to their processor.
The utility performs the following functions:
a - Add client
r - Remove client
s - Show products in remote installation environments
m - Modify client
i - Install software
You must use the utility interactively to set up a remote installation services area. After you have set up a remote installation services
area on the server, you can use the utility either interactively or from the command line to manage clients.
The directory also holds a subdirectory, This directory contains a database file, that you can use to manage multiple clients.
Examples
The example that follows invokes the utility interactively:
# /etc/ris
A menu appears from which you can select options to perform functions.
The examples that follow manage the client using the command line.
The syntax of the command to add a client follows:
/etc/ris -a <clientname> -h <Ethernet_address> -p path,product[,product]
The following command adds client and allows that client to install a product over the network:
# /etc/ris -a bergal -h 08-00-2B-03-05-8B -p ris0.mips,product_1
The syntax of the command to modify a client follows:
/etc/ris -a <clientname> [-h <Ethernet_address>] [-p <path,product,product>]
The following command modifies client and allows that client to install a product over the network:
# /etc/ris -m bergal -p ris0.mips,product_2
The syntax of the command to remove a client follows:
/etc/ris -r <clientname>
The following command removes client
# /etc/ris -r bergal
Files
See Also
setld(8)
Guide to the Remote Installation Services
Guide to Server Setup
ris(8)