Sponsored Content
Top Forums Shell Programming and Scripting How to check internet connection? Post 302998605 by Aia on Sunday 4th of June 2017 09:06:03 PM
Old 06-04-2017
Quote:
Originally Posted by RudiC
Code:
ping -c1 unix.com &>/dev/null && echo "online" || echo "offline"
online

I wouldn't do just one ping (-c1). It is quite normal for the first ping to fail if there's not ARP table entry, and it would not be an indication that the node has lost network connectivity.

-c 3 or perhaps even -c 5 I would consider a more reliable metric.
These 3 Users Gave Thanks to Aia For This Post:
 

10 More Discussions You Might Find Interesting

1. IP Networking

Unix Internet Connection

I am trying to set up my internet connection for my unix system and cannot seem to do it. I have a optimum on line service, and use a cable modem, with a usb. The 3 com ethernet card in my Gateway Labtop is recognized but when I hook up the usb and try and connect the usb is unrecognized. I... (14 Replies)
Discussion started by: kdelph
14 Replies

2. UNIX for Advanced & Expert Users

setup internet connection

HI.. i was wondering if someone out there can help me setup my internet connection.... i have no clue how to set it up.. could you please tell me step by step how to set it up.. i have a static ip, im using a cable modem to connect. my os is solaris 8. Please email me at lil_souldier@hotmail.com... (2 Replies)
Discussion started by: souldier
2 Replies

3. UNIX for Advanced & Expert Users

setting up internet connection!!

HI unix guru.. i need your help again.. i tring to setup my sun box for internet connection, i am using @home cable service i have 8 pc running different operating systems. every other computer can go online but this sun box for some reason alway give me and error, i enter my ip address... (1 Reply)
Discussion started by: souldier
1 Replies

4. Solaris

Internet Connection via Lan

I have a sun wokstation running solaris 9 , I want to configuring my lan card to access internet . my IP address : 192.168.144.20 ISP gateway : 192.168.144.1 DNS address : 202.56.250.5 all helps will be appreciated thanks (2 Replies)
Discussion started by: una
2 Replies

5. UNIX for Dummies Questions & Answers

Connection of SUN to internet and to PC

Hi, 1)If someone could help me out that how could i connect to internet. Below is the system specification, and i have dial up connection. Sun UltraSPARC-IIi 270MHz processor 256 MB memory 8.4 GB HDD 100/10BaseT Ethernet CD-ROM drive 3.5" Floppy drive 2)Also, how to connect Sun to... (0 Replies)
Discussion started by: younics
0 Replies

6. Linux

setting up internet connection

I'm having fedora core4.I have a ADSL modem and can access through Windows.I tried setting up internet connection in linux using setup command and netconfig,but doesn't work. can anybody help me with the steps in detail.also can i use the same ip address as in windows? (7 Replies)
Discussion started by: laddu
7 Replies

7. BSD

Internet connection with PC BSD

Hi friends! :) I have got an Acer laptop. in one of the partion's I have got PC BSD installed. I am new UNIX user coz first I was using Windows, so I am still learning it. I only know few commands, and I find it very interesting. Unfrtunately, when I log into PC BSD, I can't connect to the... (3 Replies)
Discussion started by: dubbio123
3 Replies

8. UNIX for Dummies Questions & Answers

check Internet connection?

I am using SUSE OS and want to check internet connection... I have tried: ping -c3 google.com The output i have got is: Unknown host google.com does it means that i do not have Internet connection?? Or please help me with any Command to find Internet connection? Thanks for any help. (1 Reply)
Discussion started by: salil2012
1 Replies

9. Solaris

Internet connection

I got solaris 10 works, but I cannot set up my internet connection. When I ping a website and i open the web browser, it doesn't work. When the installation asked 'Am I in a network?' i answerd 'no'. I think this is my minstake. How can i get Internet, now? I have a ADSL modem (not router).... (5 Replies)
Discussion started by: mghis
5 Replies

10. IP Networking

Sharing internet connection

Hello all, Recently took a dive into Unix using Fedora 12 atm. I have cable modem with DHCP and a linksys 8 port router. With windows I was able to simple use the uplink port and plug each computer into the switch and use the internet connection. Having no luck doing the same in Unix. I have... (0 Replies)
Discussion started by: Fingerz
0 Replies
OCF_PACEMAKER_PINGD(7)					      Pacemaker Configuration					    OCF_PACEMAKER_PINGD(7)

NAME
ocf_pacemaker_pingd - pingd resource agent SYNOPSIS
[OCF_RESKEY_pidfile=string] [OCF_RESKEY_user=string] [OCF_RESKEY_dampen=integer] [OCF_RESKEY_set=string] [OCF_RESKEY_name=string] [OCF_RESKEY_section=string] [OCF_RESKEY_multiplier=integer] [OCF_RESKEY_host_list=string] [OCF_RESKEY_interval=integer] [OCF_RESKEY_attempts=integer] [OCF_RESKEY_timeout=integer] [OCF_RESKEY_options=string] pingd [start | stop | monitor | meta-data | validate-all] DESCRIPTION
This agent (ocf:pacemaker:pingd) has been replaced by the more reliable ocf:pacemaker:ping. It records (in the CIB) the current number of ping nodes (specified in the 'host_list' parameter) a cluster node can connect to. SUPPORTED PARAMETERS
OCF_RESKEY_pidfile = string [/pingd-] PID file OCF_RESKEY_user = string [root] The user we want to run pingd as The user we want to run pingd as OCF_RESKEY_dampen = integer [5s] Dampening interval The time to wait (dampening) further changes occur OCF_RESKEY_set = string [] Set name The name of the instance_attributes set to place the value in. Rarely needs to be specified. OCF_RESKEY_name = string [pingd] Attribute name The name of the attributes to set. This is the name to be used in the constraints. OCF_RESKEY_section = string [] Section name The section place the value in. Rarely needs to be specified. OCF_RESKEY_multiplier = integer [] Value multiplier The number by which to multiply the number of connected ping nodes by OCF_RESKEY_host_list = string [] Host list The list of ping nodes to count. Defaults to all configured ping nodes. Rarely needs to be specified. OCF_RESKEY_interval = integer [1] ping interval in seconds How often, in seconds, to check for node liveliness OCF_RESKEY_attempts = integer [2] no. of ping attempts Number of ping attempts, per host, before declaring it dead OCF_RESKEY_timeout = integer [2] ping timeout in seconds How long, in seconds, to wait before declaring a ping lost OCF_RESKEY_options = string [] Extra Options A catch all for any other options that need to be passed to pingd. AUTHOR
Andrew Beekhof <andrew@beekhof.net> Author. Pacemaker Configuration 06/10/2014 OCF_PACEMAKER_PINGD(7)
All times are GMT -4. The time now is 02:09 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy