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Ping multiple servers and show the result in a top like terminal UI.

Project description

# pingtop [![CircleCI](](

Ping multiple servers and show the result in a top like terminal UI.


## Install

pip install pingtop

## Usage

Then ping mutiple server:

This project is using [click]( Check help info with `pingtop -h`.

~ pingtop --help
Usage: pingtop [OPTIONS] [HOST]...

-s, --packetsize INTEGER specify the number of data bytes to be sent.
The default is 56, which translates into 64
ICMP data bytes when combined with the 8
bytes of ICMP header data. This option
cannot be used with ping sweeps. [default:
-l, --logto PATH
--help Show this message and exit.

## Why I get `Permission denied` ?

We use ICMP socket to send ping packet without `sudo` (See [this post]( by lilydjwg(in Chinese)), however, who(which group) can use this feature is controled by a kernel parameter: `net.ipv4.ping_group_range`.

cat /proc/sys/net/ipv4/ping_group_range

1 0

The default value is `1 0`, this means the whose group number from 1 to 0 can use this feature(which means nobody can use this), so you get a Permission denied .

To fix this, change this variable to a proper range include your group id, like this:

[vagrant@centos7 pingtop]$ id
uid=1000(vagrant) gid=1000(vagrant) groups=1000(vagrant) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023

[vagrant@centos7 pingtop]$ sudo sysctl -w net.ipv4.ping_group_range='0 1001'
net.ipv4.ping_group_range = 0 1001

## Credits

- For the credits of's implementation please refer [](./
- The UI was built on [panwid]( thanks to @tonycpsu.
- @[gzxultra]( helped to solve the permission issues.

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