kernstat is a lightweight command-line tool for monitoring Linux system performance. It reads kernel statistics directly from the /proc and /sys interfaces, with no external monitoring daemons, subprocess calls, or third-party dependencies for data collection.
kernstat reports CPU usage, memory consumption, disk space and I/O, network throughput, and per-process statistics. Each command offers human-readable output for interactive use and structured JSON output for scripting, automation, and monitoring pipelines.
A live updating dashboard displays all key system metrics in a single refreshing view, and a TOML configuration file lets you set defaults such as the sampling interval and output format.
Available commands:
kernstat runs under strict confinement and requires no additional interfaces. All functionality, including per-process inspection, works within the default snap sandbox. This makes it a safe, minimal footprint utility for servers, containers, and minimal Linux systems.
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
If you’re running Kubuntu 16.04 LTS (Xenial Xerus) or later, including Kubuntu 18.04 LTS (Bionic Beaver) and Kubuntu 18.10 (Cosmic Cuttlefish), you don’t need to do anything. Snap is already installed and ready to go.
Versions of Kubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf) don’t include snap by default, but snap can be installed from the command line as follows:
sudo apt update
sudo apt install snapd
To install kernstat, simply use the following command:
sudo snap install kernstat
Browse and find snaps from the convenience of your desktop using the snap store snap.
Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.