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Top Forums Shell Programming and Scripting Shell script to ping multiple servers Post 302993995 by rbatte1 on Friday 17th of March 2017 07:55:45 AM
Old 03-17-2017
Are these servers in a reasonable subnet? e.g. 10.1.1.x

If they are, then you might consider nmap which can ping a range of servers. Beware that by default it will probe all sorts of ports, which might not be what you want and can cause anti-intrusion alerts to be triggered.

Do not do this to public internet servers else your ISP or others may cut you off.

Something like this might do the trick:
Code:
nmap -n -v -oG - -sn ip-range

You will need to confirm the correct flags for your implementation. The IP range can be a string such as (in the example above) 10.1.1.0/24 so it will scan the whole class C subnet.

Going with a smaller netmask (i.e. the /24 reducing to /23 or less) will exponentially increase the number of ip addresses tried and exponentially increase the execution time.

It will also increase the likelihood of triggering anti-intrusion alerts, which may be "detrimental to your career prospects"



Robin
 

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XSetPointerMapping(3)						  XLIB FUNCTIONS					     XSetPointerMapping(3)

NAME
XSetPointerMapping, XGetPointerMapping - manipulate pointer settings SYNTAX
int XSetPointerMapping(Display *display, unsigned char map[], int nmap); int XGetPointerMapping(Display *display, unsigned char map_return[], int nmap); ARGUMENTS
display Specifies the connection to the X server. map Specifies the mapping list. map_return Returns the mapping list. nmap Specifies the number of items in the mapping list. DESCRIPTION
The XSetPointerMapping function sets the mapping of the pointer. If it succeeds, the X server generates a MappingNotify event, and XSet- PointerMapping returns MappingSuccess. Element map[i] defines the logical button number for the physical button i+1. The length of the list must be the same as XGetPointerMapping would return, or a BadValue error results. A zero element disables a button, and elements are not restricted in value by the number of physical buttons. However, no two elements can have the same nonzero value, or a BadValue error results. If any of the buttons to be altered are logically in the down state, XSetPointerMapping returns MappingBusy, and the mapping is not changed. XSetPointerMapping can generate a BadValue error. The XGetPointerMapping function returns the current mapping of the pointer. Pointer buttons are numbered starting from one. XGetPoint- erMapping returns the number of physical buttons actually on the pointer. The nominal mapping for a pointer is map[i]=i+1. The nmap argu- ment specifies the length of the array where the pointer mapping is returned, and only the first nmap elements are returned in map_return. DIAGNOSTICS
BadValue Some numeric value falls outside the range of values accepted by the request. Unless a specific range is specified for an argu- ment, the full range defined by the argument's type is accepted. Any argument defined as a set of alternatives can generate this error. SEE ALSO
XChangeKeyboardControl(3X11), XChangeKeyboardMapping(3X11) Xlib - C Language X Interface X Version 11 libX11 1.2.1 XSetPointerMapping(3)
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