System Administration

Excellent System Utilities: Pingnoo – traceroute/ping analyser

Last Updated on May 28, 2022

In operation

Here’s an image of Pingnoo in action.

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What does Pingnoo do? The software sends repeated ICMP (Internet Control Message Protocol) packets and increments the time-to-live (TTL) field. As the packet passes through routers (shown as hops) the TTL field is decremented, if the value reaches zero then the router that is currently processing that packet will usually respond with a time exceeded message to the originating host.

Pingnoo tracks all ICMP packets it transmits and is able to pair ICMP responses with the sent requests, this allows the round-trip-time (RTT) to be calculated not only between the two endpoints, but also the intermediate hops between the hosts.

This information is plotted with graphs to provide an instant visual overview of a route and can be used to identify network issues, not just locally but at any point between the originating computer and the target.

The software is extensible and offers built-in support to redact host name and IP addresses which is useful if you wish to share the plots but at the same time hide sensitive information.

There’s support for IPv4 and IPv6. We can change the interval, and the duration of the viewport. For the latter, the default is 60 seconds, but there’s also durations of 10 minutes, 15 minutes, 30 minutes, 45 minutes, 1 hour, 12 hours, and 24 hours.

Next page: Page 3 – In Operation

Pages in this article:
Page 1 – Introduction / Installation
Page 2 – In Operation
Page 3 – Summary

Complete list of articles in this series:

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ddrescueData recovery tool, retrieving data from failing drives as safely as possible
dustMore intuitive version of du written in Rust
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Fail2banBan hosts that cause multiple authentication errors
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FirejailRestrict the running environment of untrusted applications
GlancesCross-platform system monitoring tool written in Python
GPartedResize, copy, and move partitions without data
GreenWithEnvyNVIDIA graphics card utility
gtopSystem monitoring dashboard
gWakeOnLANTurn machines on through Wake On LAN
hyperfineCommand-line benchmarking tool
inxiCommand-line system information tool that's a time-saver for everyone
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kmonManage Linux kernel modules with this text-based tool
KrusaderAdvanced, twin-panel (commander-style) file manager
NeofetchSystem information tool written in Bash
NmapNetwork security tool that builds a "map" of the network
nmonSystems administrator, tuner, and benchmark tool
nnnPortable terminal file manager that's amazingly frugal
petSimple command-line snippet manager
PingnooGraphical representation for traceroute and ping output
ps_memAccurate reporting of software's memory consumption
SMCMulti-featured system monitor written in Python
TimeshiftReliable system restore tool
QDirStatQt-based directory statistics
QJournalctlGraphical User Interface for systemd’s journalctl
TLPMust-have tool for anyone running Linux on a notebook
UnisonConsole and graphical file synchronization software
VeraCryptStrong disk encryption software
VentoyCreate bootable USB drive for ISO, WIM, IMG, VHD(x), EFI files
WTFPersonal information dashboard for your terminal
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