Is it possible to use tail and grep in combination?

linux grep pipeline tail
Pawan picture Pawan · Jan 2, 2013 · Viewed 23.4k times · Source

I am trying to tail a user in production log.

Is it possible to use 

tail -f grep "username"

Answer

Ed Heal picture Ed Heal · Jan 2, 2013

Yes - You use pipe. i.e.

tail -f <some filename> | grep 'username'

Related questions

How do I find all files containing specific text on Linux?

I'm trying to find a way to scan my entire Linux system for all files containing a specific string of text. Just to clarify, I'm looking for text within the file, not in the file name. When I was looking …

Read More
How do I grep recursively?

How do I recursively grep all directories and subdirectories? find . | xargs grep "texthere" *

Read More
How can I use grep to show just filenames on Linux?

How can I use grep to show just file-names (no in-line matches) on Linux? I am usually using something like: find . -iname "*php" -exec grep -H myString {} \; How can I just get the file-names (with paths), but without the matches? …

Read More