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How to use bash array in a shell script.AMD Radeon Ubuntu 20.04 Driver Installation.How to install missing ifconfig command on Debian Linux.Ubuntu 20.04 Remote Desktop Access from Windows 10.How to find my IP address on Ubuntu 20.04 Focal Fossa Linux.How to install the NVIDIA drivers on Ubuntu 20.04 Focal Fossa Linux.i in doĮcho '`date`: ping failed, $i host is down!' | Remove endless while loop when you intend to use this script with cron scheduler. Modify the script according to your needs. The core of the script is wrapped into an endless while loop which is set to execute ping check every hour ( 3600 second ). When mail is not configured on the system, the script will create a log file. The last example is a modified version of the previous example. #!/bin/bashĮcho '`date`: ping failed, $i host is down!' | mail -s '$i host is down!' execution syntax: In case that destination is unreachable, a mail command will be used to notify the system administrator about this event. The script first uses ping command to ping a host or IP supplied as an argument. The system admin can execute this in script regularly with use of a cron scheduler. In this next ping Bash script example, we will send an email to a specified email address when ping cannot reach its destination. Feel free to modify the script to scan your hosts range. The script will print message Node with IP: IP-address is up if ping command was successful. In this example, the Bash script will scan the network for hosts attached to an IP address 10.1.1.1 – 255. $ – requires given linux commands to be executed as a regular non-privileged userįollow on Twitter for the latest tips and tricks about Linux! # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command Privileged access to your Linux system as root or via the sudo command.

Requirements, Conventions or Software Version Used Ping sweep script to scan and monitor network Software Requirements and Linux Command Line Conventions Category

How to create a network monitoring log in Bash.

How to notify via email when a network host is down.

How to scan a network subnet with a Bash script.

Obviously, these scripts are no match to a full monitoring dedicated software like nagios, but they could be useful for small home brand networks, where implementing sophisticated monitoring systems can become too much overhead. In this tutorial, we will provide a few Bash scripts to scan and monitor the network using combination of commands such as ping.

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