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Shell Programming and Scripting
Unix Shell Script to ping systems & make a log
Post 302578349 by psychoTHEIST on Thursday 1st of December 2011 10:41:10 AM
12-01-2011
Thanks a Lot !!!
Thanks 'Zaxxon, Spellbound, Mikelking'.. 
Since, I'm new to Unix/Linux Shell-scripting and this forum - kindly bear w/ me, wherever you find me a (dumb) rookie!
________________________________________________________
My overall aim is :
1. To ping my office-network..
2a. Create a log for successful pings and unsuccessful ones..
>> till here - i'm done<<
2b. Create a DNS kinda thingy..
>> done - but, i'm using 'if-else' here (..plz don't laugh..) <<
>> my boss said, rather than 'if-else', use a file - where <<
>> from you import all the names for particular IPs.. <<
3. Generate/create a Network-Outage report, that gives the timestamps for
whenever the ping was unsuccessful for that particular IP (as rightly mentioned by 'Zaxxon')..
4. Question arises - what's the need for successful IPs..!?
Answer - I need to run network-related commands on those successful IPs,
to generate another log that gives me all the system-related-info (such as Memory/Disk-usage, N/W-usage, blah! blah! blah!) of/for those particular (successful) IPs..
[in short - have to make my own NMS (n/w mgmt. sys.) for my company ]
________________________________________________________
My problem :
1. I'm not good at googling.. :'(
2. I've a few commands, like :
vmstat, netstat, nslookup, traceroute, ifconfig, df, du, iostat, iptables, chkconfig, etc.
but these work for my system (not all f 'em) and i need to sit on my system
and use the above commands (or, similar) on all the systems on the n/w via. IPs..
3. As of now, the bit I'm struggling w/ is:
using 'grep' to fetch the IP from the same line where I'm grepping - "unreachable host"..
________________________________________________________
~!!~Cheers~!!~
Since, I'm new to Unix/Linux Shell-scripting and this forum - kindly bear w/ me, wherever you find me a (dumb) rookie!
________________________________________________________
My overall aim is :
1. To ping my office-network..
2a. Create a log for successful pings and unsuccessful ones..
>> till here - i'm done<<
2b. Create a DNS kinda thingy..
>> done - but, i'm using 'if-else' here (..plz don't laugh..) <<
>> my boss said, rather than 'if-else', use a file - where <<
>> from you import all the names for particular IPs.. <<
3. Generate/create a Network-Outage report, that gives the timestamps for
whenever the ping was unsuccessful for that particular IP (as rightly mentioned by 'Zaxxon')..
4. Question arises - what's the need for successful IPs..!?
Answer - I need to run network-related commands on those successful IPs,
to generate another log that gives me all the system-related-info (such as Memory/Disk-usage, N/W-usage, blah! blah! blah!) of/for those particular (successful) IPs..
[in short - have to make my own NMS (n/w mgmt. sys.) for my company
]________________________________________________________
My problem :
1. I'm not good at googling.. :'(
2. I've a few commands, like :
vmstat, netstat, nslookup, traceroute, ifconfig, df, du, iostat, iptables, chkconfig, etc.
but these work for my system (not all f 'em) and i need to sit on my system
and use the above commands (or, similar) on all the systems on the n/w via. IPs..
3. As of now, the bit I'm struggling w/ is:
using 'grep' to fetch the IP from the same line where I'm grepping - "unreachable host"..
________________________________________________________
~!!~Cheers~!!~
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LEARN ABOUT DEBIAN
rds-ping
RDS-PING(1) BSD General Commands Manual RDS-PING(1) NAME
rds-ping -- test reachability of remote node over RDS SYNOPSIS
rds-ping [-c count] [-i interval] [-I local_addr] remote_addr DESCRIPTION
rds-ping is used to test whether a remote node is reachable over RDS. Its interface is designed to operate pretty much the standard ping(8) utility, even though the way it works is pretty different. rds-ping opens several RDS sockets and sends packets to port 0 on the indicated host. This is a special port number to which no socket is bound; instead, the kernel processes incoming packets and responds to them. OPTIONS
The following options are available for use on the command line: -c count Causes rds-ping to exit after sending (and receiving) the specified number of packets. -I address By default, rds-ping will pick the local source address for the RDS socket based on routing information for the destination address (i.e. if packets to the given destination would be routed through interface ib0, then it will use the IP address of ib0 as source address). Using the -I option, you can override this choice. -i timeout By default, rds-ping will wait for one second between sending packets. Use this option to specified a different interval. The timeout value is given in seconds, and can be a floating point number. Optionally, append msec or usec to specify a timeout in milliseconds or microseconds, respectively. Specifying a timeout considerably smaller than the packet round-trip time will produce unexpected results. AUTHORS
rds-ping was written by Olaf Kirch <olaf.kirch@oracle.com>. SEE ALSO
rds(7), rds-info(1), rds-stress(1). BSD
Apr 22, 2008 BSD