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is there a way to tail a log from remote server without using any user credentials?


ssh key questionsRsync when run in cron doesnt work. Rsync between Mac Os x Server and Linux CentosHow to write a shell script for OS X to log in to a remote server via SSH and execute commandsLinux: ssh to host and use sudo to run a script, runs but part of script failsgenerate ssh host keys for clients on puppetmasterBash script for updating multiple servers not accepting RSA keysPython script succeeds manually but fails on crontabEnable root password on remote serversshd: logging client's public keyhow to restrict ssh-agent to trusted applications only?






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3















I run a script tailing a log in a remote server, like so:



ssh userx@someip tail -f /data/current.log|python2.7 monitorlog.py


There are dependencies and service requirements that disallows me to run the script off the remote server. (DB, ACLs, and path to another service is uses)



Is there a way I can tail and monitor a log without using the ssh userx@someip? I thought about generating RSA keys but I think you still need a user to ssh.










share|improve this question













migrated from stackoverflow.com Jul 1 '11 at 0:06


This question came from our site for professional and enthusiast programmers.













  • 1





    Not really a programming question, but no, there is no way to view a log file on a server without logging in somehow, or implementing some other such remote access technique. You can possibly set up something to stream the data over TCP or UDP to some other known address, but you will have to have login access somehow.

    – Femi
    Jun 30 '11 at 1:23











  • You can use netcat or offer the logfile in a nfs share and mount it.

    – Jochen Ritzel
    Jun 30 '11 at 3:24











  • can't syslog do what you want ? It can export and then collect on a central server, on which you can run your python script.

    – petrus
    Jul 1 '11 at 0:12











  • petrus is right, syslog is definitely the best and simplest choice here.

    – Jodie C
    Jul 1 '11 at 1:46

















3















I run a script tailing a log in a remote server, like so:



ssh userx@someip tail -f /data/current.log|python2.7 monitorlog.py


There are dependencies and service requirements that disallows me to run the script off the remote server. (DB, ACLs, and path to another service is uses)



Is there a way I can tail and monitor a log without using the ssh userx@someip? I thought about generating RSA keys but I think you still need a user to ssh.










share|improve this question













migrated from stackoverflow.com Jul 1 '11 at 0:06


This question came from our site for professional and enthusiast programmers.













  • 1





    Not really a programming question, but no, there is no way to view a log file on a server without logging in somehow, or implementing some other such remote access technique. You can possibly set up something to stream the data over TCP or UDP to some other known address, but you will have to have login access somehow.

    – Femi
    Jun 30 '11 at 1:23











  • You can use netcat or offer the logfile in a nfs share and mount it.

    – Jochen Ritzel
    Jun 30 '11 at 3:24











  • can't syslog do what you want ? It can export and then collect on a central server, on which you can run your python script.

    – petrus
    Jul 1 '11 at 0:12











  • petrus is right, syslog is definitely the best and simplest choice here.

    – Jodie C
    Jul 1 '11 at 1:46













3












3








3








I run a script tailing a log in a remote server, like so:



ssh userx@someip tail -f /data/current.log|python2.7 monitorlog.py


There are dependencies and service requirements that disallows me to run the script off the remote server. (DB, ACLs, and path to another service is uses)



Is there a way I can tail and monitor a log without using the ssh userx@someip? I thought about generating RSA keys but I think you still need a user to ssh.










share|improve this question














I run a script tailing a log in a remote server, like so:



ssh userx@someip tail -f /data/current.log|python2.7 monitorlog.py


There are dependencies and service requirements that disallows me to run the script off the remote server. (DB, ACLs, and path to another service is uses)



Is there a way I can tail and monitor a log without using the ssh userx@someip? I thought about generating RSA keys but I think you still need a user to ssh.







python linux ssh rsa






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Jun 30 '11 at 0:55









suhpranosuhprano

1164




1164




migrated from stackoverflow.com Jul 1 '11 at 0:06


This question came from our site for professional and enthusiast programmers.









migrated from stackoverflow.com Jul 1 '11 at 0:06


This question came from our site for professional and enthusiast programmers.









  • 1





    Not really a programming question, but no, there is no way to view a log file on a server without logging in somehow, or implementing some other such remote access technique. You can possibly set up something to stream the data over TCP or UDP to some other known address, but you will have to have login access somehow.

    – Femi
    Jun 30 '11 at 1:23











  • You can use netcat or offer the logfile in a nfs share and mount it.

    – Jochen Ritzel
    Jun 30 '11 at 3:24











  • can't syslog do what you want ? It can export and then collect on a central server, on which you can run your python script.

    – petrus
    Jul 1 '11 at 0:12











  • petrus is right, syslog is definitely the best and simplest choice here.

    – Jodie C
    Jul 1 '11 at 1:46












  • 1





    Not really a programming question, but no, there is no way to view a log file on a server without logging in somehow, or implementing some other such remote access technique. You can possibly set up something to stream the data over TCP or UDP to some other known address, but you will have to have login access somehow.

    – Femi
    Jun 30 '11 at 1:23











  • You can use netcat or offer the logfile in a nfs share and mount it.

    – Jochen Ritzel
    Jun 30 '11 at 3:24











  • can't syslog do what you want ? It can export and then collect on a central server, on which you can run your python script.

    – petrus
    Jul 1 '11 at 0:12











  • petrus is right, syslog is definitely the best and simplest choice here.

    – Jodie C
    Jul 1 '11 at 1:46







1




1





Not really a programming question, but no, there is no way to view a log file on a server without logging in somehow, or implementing some other such remote access technique. You can possibly set up something to stream the data over TCP or UDP to some other known address, but you will have to have login access somehow.

– Femi
Jun 30 '11 at 1:23





Not really a programming question, but no, there is no way to view a log file on a server without logging in somehow, or implementing some other such remote access technique. You can possibly set up something to stream the data over TCP or UDP to some other known address, but you will have to have login access somehow.

– Femi
Jun 30 '11 at 1:23













You can use netcat or offer the logfile in a nfs share and mount it.

– Jochen Ritzel
Jun 30 '11 at 3:24





You can use netcat or offer the logfile in a nfs share and mount it.

– Jochen Ritzel
Jun 30 '11 at 3:24













can't syslog do what you want ? It can export and then collect on a central server, on which you can run your python script.

– petrus
Jul 1 '11 at 0:12





can't syslog do what you want ? It can export and then collect on a central server, on which you can run your python script.

– petrus
Jul 1 '11 at 0:12













petrus is right, syslog is definitely the best and simplest choice here.

– Jodie C
Jul 1 '11 at 1:46





petrus is right, syslog is definitely the best and simplest choice here.

– Jodie C
Jul 1 '11 at 1:46










1 Answer
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With ssh you always need a user to connect to a server or simply execute a command. You can juste tail your log file with netcat and get a netcat client to connect to it from a remote machine. But this can be a problem for the security. Or simply create a user who can juste read the logs.






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    With ssh you always need a user to connect to a server or simply execute a command. You can juste tail your log file with netcat and get a netcat client to connect to it from a remote machine. But this can be a problem for the security. Or simply create a user who can juste read the logs.






    share|improve this answer



























      0














      With ssh you always need a user to connect to a server or simply execute a command. You can juste tail your log file with netcat and get a netcat client to connect to it from a remote machine. But this can be a problem for the security. Or simply create a user who can juste read the logs.






      share|improve this answer

























        0












        0








        0







        With ssh you always need a user to connect to a server or simply execute a command. You can juste tail your log file with netcat and get a netcat client to connect to it from a remote machine. But this can be a problem for the security. Or simply create a user who can juste read the logs.






        share|improve this answer













        With ssh you always need a user to connect to a server or simply execute a command. You can juste tail your log file with netcat and get a netcat client to connect to it from a remote machine. But this can be a problem for the security. Or simply create a user who can juste read the logs.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Jul 1 '11 at 17:02









        BoogyBoogy

        1413




        1413



























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