Is there an easy way to do something like tail -f mylogfile but to have the changes of more than one file displayed (maybe with the file name added as prefix to each line)? Or maybe a GUI tool? I am running Debian.


Have you tried tail -f file1 file2? It appears to do exactly what you want, at least on my FreeBSD machine. Perhaps the tail that comes with a Debian system can do it too?

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    Yes. It works! Thank you. I'd never expected that it would be SO easy. – stofl Dec 4 '12 at 11:37
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    I usually use -F instead since a number of files may get truncated as I'm restarting server programs. – Arcege Dec 4 '12 at 23:37
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    My new favorite parameter combo is tail -qF *.log: -q to hide the file names and -F, as Arcege pointed out, to let tail follow the name rather than the descriptor because my log files are being rotated. – Denis Drescher Oct 4 '16 at 10:26
  • Validated also on Ubuntu 16.04 LTS – Ricardo May 12 '17 at 2:03
  • There is a limit to this. I have a folder with log files by PID for a worker that gets started for every new job in a queue (So lots of PIDs). If I tail -f /var/log/folder/* it returns the error "unable to execute /usr/bin/tail: Argument list too long" – flickerfly May 18 '18 at 16:20

For some reason, answers along the lines of tail -f file1 file2 wasn't quite what I had in mind.

I want to know what happened in several logs sort of most recently 'locally', regardless of the global chronological order.

To do that, I used something more like watch -n1 tail -n10 file1 file2

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