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Full Discussion: remote execute awk script
Top Forums Shell Programming and Scripting remote execute awk script Post 302453138 by radoulov on Tuesday 14th of September 2010 07:09:44 AM
Old 09-14-2010
Quote:
I use ssh in script to access various systems (solaris, hp-ux, linux...) if I want remote use ifconfig somewhere it works somewhere not.
- I found that that may be the PATH problem or something with sourcing and variables - I am not familiar with it and I am a little bit confused, but anyway it is recommend to use /sbin/ifconfig (as you did)
OK but what if somewhere is ifconfig in another path ? Is possible to use classic ifconfig in script?
No, as far as I know, ifconfig's position and syntax varies accross different operating systems,
so I would suggest to use a custom code for your environment.

Quote:
- Second problem: Is possible to remote use bash script for loop on system which did not have bash ? Example is more than 1000 words:

[...]

The commented line in above code works if it is not in bash script
Could you post the exact error message or explain what you mean by "not working"?

Quote:
- Third problem: Is good practice to set environment variables when I log on server via script (to avoid expecting input) ? Is it necessary for script to have set environment variables or is there any better solution ?

Code:

ssh server "DISPLAY=:0; TERM=xterm; /sbin/ifconfig -a" | grep -v 127.0.0.1 | grep 'inet addr'
I'm not sure about this one. Some ssh client implementations support the -t/-T switch to enable/disable pseudo-tty allocation,
I don't know if setting the above mentioned variables has some impact.
 

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LEARN ABOUT OPENSOLARIS

inet_type

inet_type(4)							   File Formats 						      inet_type(4)

NAME

       inet_type - default Internet protocol type

SYNOPSIS

       /etc/default/inet_type

DESCRIPTION

       The inet_type file defines the default IP protocol to use. Currently this file is only used by the ifconfig(1M) and netstat(1M) commands.

       The  inet_type  file  can  contain  a  number of <variable>=<value> lines. Currently, the only variable defined is DEFAULT_IP, which can be
       assigned a value of IP_VERSION4, IP_VERSION6, or BOTH.

       The output displayed by the ifconfig and netstat commands can be controlled by the value of DEFAULT_IP set in inet_type file.  By  default,
       both commands display the IPv4 and IPv6 information available on the system. The user can choose to suppress display of IPv6 information by
       setting the value of DEFAULT_IP.  The following shows the possible values for DEFAULT_IP and the resulting ifconfig and netstat output that
       will be displayed:

       IP_VERSION4    Displays	only IPv4 related information. The output displayed is backward compatible with older versions of the ifconfig(1M)
		      and netstat(1M) commands.

       IP_VERSION6    Displays both IPv4 and IPv6 related information for ifconfig and netstat.

       BOTH	      Displays both IPv4 and IPv6 related information for ifconfig and netstat.

       The command-line options to the ifconfig and netstat commands override the effect of DEFAULT_IP as set in the inet_type file. For  example,
       even if the value of DEFAULT_IP is IP_VERSION4, the command

	 example% ifconfig -a6

       will display all IPv6 interfaces.

EXAMPLES

       Example 1 Suppressing IPv6 Related Output

       This is what the inet_type file must contain if you want to suppress IPv6 related output:

	 DEFAULT_IP=IP_VERSION4

SEE ALSO

       ifconfig(1M), netstat(1M)

SunOS 5.11							    16 Jun 1999 						      inet_type(4)
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