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  • How does the tail commands -f parameter work?
    From the tail(1) man page: With --follow (-f), tail defaults to following the file descriptor, which means that even if a tail’ed file is renamed, tail will continue to track its end This default behavior is not desirable when you really want to track the actual name of the file, not the file descrip- tor (e g , log rotation) Use --follow=name in that case That causes tail to track the
  • shell - How do I use nohup and tail it in one command - Unix Linux . . .
    You can do touch output; nohup script sh > output tail -f output The file must exist before tail opens it, so touch goes in a separate command to synchronously create the file before the script and tail get launched concurrently
  • What is the difference between tail -f and tail -F?
    Tail will then listen for changes to that file If you remove the file, and create a new one with the same name the filename will be the same but it's a different inode (and probably stored on a different place on your disk) tail -f fill not retry and load the new inode, tail -F will detect this
  • How to have tail -f show colored output - Unix Linux Stack Exchange
    I'd like to be able to tail the output of a server log file that has messages like: INFO SEVERE etc, and if it's SEVERE, show the line in red; if it's INFO, in green What kind of alias can I set
  • How to tail multiple files using tail -0f in Linux AIX
    The point is that tail -f file1 file2 doesn't work on AIX where tail accepts only one filename You can do (tail -f file1 tail -f file2) | process to redirect the stdout of both tail s to the pipe to process
  • The less command-line equivalent of tail -f
    99 I would like to open up a file using less, and have it automatically scroll the file similar to tail -f I know that I can do less file, and then hit Shift-F to forward forever; like tail -f I need less because it provides the --raw-control-chars flag, which is necessary because my input is colorful
  • shell - grep and tail -f? - Unix Linux Stack Exchange
    Is it possible to do a tail -f (or similar) on a file, and grep it at the same time? I wouldn't mind other commands just looking for that kind of behavior
  • `tail -f` until text is seen - Unix Linux Stack Exchange
    I've got a CI server with a command-line interface that allows me to remotely kick-off a job (jenkins CI server and the jenkins-cli jar tool) After I kick the job off I tail -f the log (sorry for
  • continuous reading from named pipe (cat or tail -f)
    If you now Ctrl-D the input then the other cat will terminate too In this case, the only observable difference between cat and tail -f will be if the logging daemon is terminated or restarted: cat will stop permanently when the write end of the pipe is closed, but tail -f will keep going (reopening the file) when the daemon is restarted
  • tail -F *. log but with systemd - Unix Linux Stack Exchange
    With normal syslog I can go to var log and run tail -F *log if I am not sure which log something is logged in Is there an equivalent for systemd? Background I am trying to debug a server It cras





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