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Log File Viewer for the Terminal

Screenshot of lnav.org captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 11 calendar years, with breakout response in 4 of them.

submissions
20
submitters
16
observed span
2013–2026
peak thread · 58 comments
335 pts
latest 20+ return · 2026-03-24
335 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Oh yeah! lnav is famous. I remember using it like a decade ago to monitor an array of web servers while at GoDaddy; good ol' times. First commit is from Sep 13, 2009: https://github.com/tstack/lnav/commit/b4ec432515e95e86ec9d71... . Woah! we’re old. This is what the UX looked like back in the day: https://github.com/tstack/lnav/commit/bce2caa654160518ec11f6...

Say I'm building a logging library, is there any sort of generally agreed-upon standard per what a log file should look like? I know there's several formats that lnav supports, but I'm not familiar with them. I've always had trouble before figuring out what a good compromise between log format and flexibility looks like. Especially wrt newlines in the log message itself (eg if I want to log a stack trace) Any thoughts for a format that would generally work…

LNAV is great, i’m so happy to have found it recently. I’ve made a Caddy server lnav configuration file a while a go, for who’s struggling to parse the default JSON logs produced by Caddy. https://gist.github.com/vjanssens/3c6fb8393d87346323d939f172...

kalev·156-point thread·

Just saw this recently: http://blog.libinpan.com/2009/07/less-is-better-than-tail/ -- use less +F instead of tail -f

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
4

100+ points or 50+ comments

Total points
836

reference only — not used in Hall rules or ranking

Total comments
172

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2013-08-30Show HN: lnav - A fancy log file viewer for the terminaltstack10
2014-11-07Show HN: Lnav – A fancy log file view for the terminaltstack30
2015-03-08Lnav: Advanced log file viewer for the small-scalevinnyglennon60
2015-03-11The Log File Navigatorsciurus40
2015-03-31The Log File NavigatorFirst breakoutvecio12027
2016-12-12The Log File NavigatorBuuQu9hu40
2017-09-23Lnav: a log file navigatorfanf230
2017-10-06LNAV: The Log File Navigatorrayascott20
2018-08-10The Log File Navigatorbased221
2021-07-12Logfile Navigator is an advanced log file viewer for the small-scalethunderbong30
2022-01-20Lnav Logfile Navigatorrendx70
2022-03-03The Logfile Navigatorjamespwilliams10
2022-10-28The Logfile Navigatorbegoon20
2022-11-19The Logfile Navigatorsacrosanct30
2022-12-13An advanced log file viewer for the small-scalethunderbong10
2022-12-14Lnav – The Log File Navigatorkamma443420
2023-01-04Lnav – An advanced log file viewer for the small-scalethunderbong17958
2024-04-29Lnav: A log file viewer for the terminalthunderbong20
2024-06-17Lnav Logfile Navigatoralexzeitler15630
2026-03-24Log File Viewer for the TerminalHall induction · Best thread · Latest 20+ point returnwiradikusuma33556