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Lynis vs chkrootkit: catalog facts
Lynis	chkrootkit
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free to download and use.
macOS, Linux, Command line	Linux, Command line
Checks local configuration and reports suggested improvements.	Checks for many known rootkits and trojaned binaries Detects deleted login records and promiscuous interfaces
Suggestions require review for the particular system and workload.	Command-line only Runs on the system it checks, so a thorough rootkit could hide from it
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.