How to watch output from systemd service?

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I want to watch output from a systemd service on CentOS as if I have started this service from console. Yes, I can see output with journalctl, but it doesn't scroll to the bottom automatically. So how can I watch live output from service?






systemd journalctl







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    up vote
    3
    down vote

    favorite












    I want to watch output from a systemd service on CentOS as if I have started this service from console. Yes, I can see output with journalctl, but it doesn't scroll to the bottom automatically. So how can I watch live output from service?






    systemd journalctl







    share|improve this question

























      up vote
      3
      down vote

      favorite









      up vote
      3
      down vote

      favorite











      I want to watch output from a systemd service on CentOS as if I have started this service from console. Yes, I can see output with journalctl, but it doesn't scroll to the bottom automatically. So how can I watch live output from service?






      systemd journalctl







      share|improve this question















      I want to watch output from a systemd service on CentOS as if I have started this service from console. Yes, I can see output with journalctl, but it doesn't scroll to the bottom automatically. So how can I watch live output from service?






      systemd journalctl




      systemd journalctl






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      edited 2 hours ago









      don_crissti

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      47.8k15126155










      asked 4 hours ago









      stiv

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      1942415




















          1 Answer
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          journalctl -f -u mystuff.service


          It's in the manual:




          -f, --follow

          Show only the most recent journal entries, and continuously print new entries as they are appended to the
          journal.




          and




          -u, --unit=UNIT|PATTERN

          Show messages for the specified systemd unit UNIT (such as a service unit), or for any of the units
          matched by PATTERN. If a pattern is specified, a list of unit names found in the journal is compared with
          the specified pattern and all that match are used. For each unit name, a match is added for messages from
          the unit ("_SYSTEMD_UNIT=UNIT"), along with additional matches for messages from systemd and messages
          about coredumps for the specified unit.



          This parameter can be specified multiple times.







          share|improve this answer




















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            1 Answer
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            accepted










            journalctl -f -u mystuff.service


            It's in the manual:




            -f, --follow

            Show only the most recent journal entries, and continuously print new entries as they are appended to the
            journal.




            and




            -u, --unit=UNIT|PATTERN

            Show messages for the specified systemd unit UNIT (such as a service unit), or for any of the units
            matched by PATTERN. If a pattern is specified, a list of unit names found in the journal is compared with
            the specified pattern and all that match are used. For each unit name, a match is added for messages from
            the unit ("_SYSTEMD_UNIT=UNIT"), along with additional matches for messages from systemd and messages
            about coredumps for the specified unit.



            This parameter can be specified multiple times.







            share|improve this answer
























              up vote
              3
              down vote



              accepted










              journalctl -f -u mystuff.service


              It's in the manual:




              -f, --follow

              Show only the most recent journal entries, and continuously print new entries as they are appended to the
              journal.




              and




              -u, --unit=UNIT|PATTERN

              Show messages for the specified systemd unit UNIT (such as a service unit), or for any of the units
              matched by PATTERN. If a pattern is specified, a list of unit names found in the journal is compared with
              the specified pattern and all that match are used. For each unit name, a match is added for messages from
              the unit ("_SYSTEMD_UNIT=UNIT"), along with additional matches for messages from systemd and messages
              about coredumps for the specified unit.



              This parameter can be specified multiple times.







              share|improve this answer






















                up vote
                3
                down vote



                accepted







                up vote
                3
                down vote



                accepted






                journalctl -f -u mystuff.service


                It's in the manual:




                -f, --follow

                Show only the most recent journal entries, and continuously print new entries as they are appended to the
                journal.




                and




                -u, --unit=UNIT|PATTERN

                Show messages for the specified systemd unit UNIT (such as a service unit), or for any of the units
                matched by PATTERN. If a pattern is specified, a list of unit names found in the journal is compared with
                the specified pattern and all that match are used. For each unit name, a match is added for messages from
                the unit ("_SYSTEMD_UNIT=UNIT"), along with additional matches for messages from systemd and messages
                about coredumps for the specified unit.



                This parameter can be specified multiple times.







                share|improve this answer












                journalctl -f -u mystuff.service


                It's in the manual:




                -f, --follow

                Show only the most recent journal entries, and continuously print new entries as they are appended to the
                journal.




                and




                -u, --unit=UNIT|PATTERN

                Show messages for the specified systemd unit UNIT (such as a service unit), or for any of the units
                matched by PATTERN. If a pattern is specified, a list of unit names found in the journal is compared with
                the specified pattern and all that match are used. For each unit name, a match is added for messages from
                the unit ("_SYSTEMD_UNIT=UNIT"), along with additional matches for messages from systemd and messages
                about coredumps for the specified unit.



                This parameter can be specified multiple times.








                share|improve this answer












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                answered 4 hours ago









                don_crissti

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